From e2adb04342f4b3a70ab85f13ece893a6da9bc35a Mon Sep 17 00:00:00 2001 From: Kosmo Obermayer Date: Thu, 4 Apr 2024 14:32:56 +0200 Subject: [PATCH] How to do WLAN and Webserver, as well as correct partitioning of ESP32 --- Lib_backup/AsyncEventSource copy.h | 133 +++ Lib_backup/AsyncEventSource.cpp | 368 +++++++ Lib_backup/AsyncEventSource.h | 133 +++ Lib_backup/AsyncJson.h | 254 +++++ Lib_backup/AsyncTCP.cpp | 1357 ++++++++++++++++++++++++++ Lib_backup/AsyncTCP.h | 217 ++++ Lib_backup/AsyncWebSocket.cpp | 1294 ++++++++++++++++++++++++ Lib_backup/AsyncWebSocket.h | 350 +++++++ Lib_backup/AsyncWebSynchronization.h | 87 ++ Lib_backup/ESPAsyncWebServer.h | 471 +++++++++ Lib_backup/StringArray.h | 193 ++++ Lib_backup/WebAuthentication.cpp | 235 +++++ Lib_backup/WebAuthentication.h | 34 + Lib_backup/WebHandlerImpl.h | 151 +++ Lib_backup/WebHandlers.cpp | 220 +++++ Lib_backup/WebRequest.cpp | 1008 +++++++++++++++++++ Lib_backup/WebResponseImpl.h | 136 +++ Lib_backup/WebResponses.cpp | 699 +++++++++++++ Lib_backup/WebServer.cpp | 193 ++++ Lib_backup/edit.htm | 627 ++++++++++++ data/index.html | 26 + data/style.css | 1 + platformio.ini | 23 +- src/SPIFFSEditor.cpp | 544 +++++++++++ src/SPIFFSEditor.h | 24 + src/default_2MB.csv | 43 + src/main.cpp | 193 ++-- 27 files changed, 8893 insertions(+), 121 deletions(-) create mode 100644 Lib_backup/AsyncEventSource copy.h create mode 100644 Lib_backup/AsyncEventSource.cpp create mode 100644 Lib_backup/AsyncEventSource.h create mode 100644 Lib_backup/AsyncJson.h create mode 100644 Lib_backup/AsyncTCP.cpp create mode 100644 Lib_backup/AsyncTCP.h create mode 100644 Lib_backup/AsyncWebSocket.cpp create mode 100644 Lib_backup/AsyncWebSocket.h create mode 100644 Lib_backup/AsyncWebSynchronization.h create mode 100644 Lib_backup/ESPAsyncWebServer.h create mode 100644 Lib_backup/StringArray.h create mode 100644 Lib_backup/WebAuthentication.cpp create mode 100644 Lib_backup/WebAuthentication.h create mode 100644 Lib_backup/WebHandlerImpl.h create mode 100644 Lib_backup/WebHandlers.cpp create mode 100644 Lib_backup/WebRequest.cpp create mode 100644 Lib_backup/WebResponseImpl.h create mode 100644 Lib_backup/WebResponses.cpp create mode 100644 Lib_backup/WebServer.cpp create mode 100644 Lib_backup/edit.htm create mode 100644 data/index.html create mode 100644 data/style.css create mode 100644 src/SPIFFSEditor.cpp create mode 100644 src/SPIFFSEditor.h create mode 100644 src/default_2MB.csv diff --git a/Lib_backup/AsyncEventSource copy.h b/Lib_backup/AsyncEventSource copy.h new file mode 100644 index 0000000..b097fa6 --- /dev/null +++ b/Lib_backup/AsyncEventSource copy.h @@ -0,0 +1,133 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef ASYNCEVENTSOURCE_H_ +#define ASYNCEVENTSOURCE_H_ + +#include +#ifdef ESP32 +#include +#define SSE_MAX_QUEUED_MESSAGES 32 +#else +#include +#define SSE_MAX_QUEUED_MESSAGES 8 +#endif +#include + +#include "AsyncWebSynchronization.h" + +#ifdef ESP8266 +#include +#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library +#include <../src/Hash.h> +#endif +#endif + +#ifdef ESP32 +#define DEFAULT_MAX_SSE_CLIENTS 8 +#else +#define DEFAULT_MAX_SSE_CLIENTS 4 +#endif + +class AsyncEventSource; +class AsyncEventSourceResponse; +class AsyncEventSourceClient; +typedef std::function ArEventHandlerFunction; + +class AsyncEventSourceMessage { + private: + uint8_t * _data; + size_t _len; + size_t _sent; + //size_t _ack; + size_t _acked; + public: + AsyncEventSourceMessage(const char * data, size_t len); + ~AsyncEventSourceMessage(); + size_t ack(size_t len, uint32_t time __attribute__((unused))); + size_t send(AsyncClient *client); + bool finished(){ return _acked == _len; } + bool sent() { return _sent == _len; } +}; + +class AsyncEventSourceClient { + private: + AsyncClient *_client; + AsyncEventSource *_server; + uint32_t _lastId; + LinkedList _messageQueue; + void _queueMessage(AsyncEventSourceMessage *dataMessage); + void _runQueue(); + + public: + + AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server); + ~AsyncEventSourceClient(); + + AsyncClient* client(){ return _client; } + void close(); + void write(const char * message, size_t len); + void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0); + bool connected() const { return (_client != NULL) && _client->connected(); } + uint32_t lastId() const { return _lastId; } + size_t packetsWaiting() const { return _messageQueue.length(); } + + //system callbacks (do not call) + void _onAck(size_t len, uint32_t time); + void _onPoll(); + void _onTimeout(uint32_t time); + void _onDisconnect(); +}; + +class AsyncEventSource: public AsyncWebHandler { + private: + String _url; + LinkedList _clients; + ArEventHandlerFunction _connectcb; + public: + AsyncEventSource(const String& url); + ~AsyncEventSource(); + + const char * url() const { return _url.c_str(); } + void close(); + void onConnect(ArEventHandlerFunction cb); + void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0); + size_t count() const; //number clinets connected + size_t avgPacketsWaiting() const; + + //system callbacks (do not call) + void _addClient(AsyncEventSourceClient * client); + void _handleDisconnect(AsyncEventSourceClient * client); + virtual bool canHandle(AsyncWebServerRequest *request) override final; + virtual void handleRequest(AsyncWebServerRequest *request) override final; +}; + +class AsyncEventSourceResponse: public AsyncWebServerResponse { + private: + String _content; + AsyncEventSource *_server; + public: + AsyncEventSourceResponse(AsyncEventSource *server); + void _respond(AsyncWebServerRequest *request); + size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time); + bool _sourceValid() const { return true; } +}; + + +#endif /* ASYNCEVENTSOURCE_H_ */ diff --git a/Lib_backup/AsyncEventSource.cpp b/Lib_backup/AsyncEventSource.cpp new file mode 100644 index 0000000..f2914df --- /dev/null +++ b/Lib_backup/AsyncEventSource.cpp @@ -0,0 +1,368 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "Arduino.h" +#include "AsyncEventSource.h" + +static String generateEventMessage(const char *message, const char *event, uint32_t id, uint32_t reconnect){ + String ev = ""; + + if(reconnect){ + ev += "retry: "; + ev += String(reconnect); + ev += "\r\n"; + } + + if(id){ + ev += "id: "; + ev += String(id); + ev += "\r\n"; + } + + if(event != NULL){ + ev += "event: "; + ev += String(event); + ev += "\r\n"; + } + + if(message != NULL){ + size_t messageLen = strlen(message); + char * lineStart = (char *)message; + char * lineEnd; + do { + char * nextN = strchr(lineStart, '\n'); + char * nextR = strchr(lineStart, '\r'); + if(nextN == NULL && nextR == NULL){ + size_t llen = ((char *)message + messageLen) - lineStart; + char * ldata = (char *)malloc(llen+1); + if(ldata != NULL){ + memcpy(ldata, lineStart, llen); + ldata[llen] = 0; + ev += "data: "; + ev += ldata; + ev += "\r\n\r\n"; + free(ldata); + } + lineStart = (char *)message + messageLen; + } else { + char * nextLine = NULL; + if(nextN != NULL && nextR != NULL){ + if(nextR < nextN){ + lineEnd = nextR; + if(nextN == (nextR + 1)) + nextLine = nextN + 1; + else + nextLine = nextR + 1; + } else { + lineEnd = nextN; + if(nextR == (nextN + 1)) + nextLine = nextR + 1; + else + nextLine = nextN + 1; + } + } else if(nextN != NULL){ + lineEnd = nextN; + nextLine = nextN + 1; + } else { + lineEnd = nextR; + nextLine = nextR + 1; + } + + size_t llen = lineEnd - lineStart; + char * ldata = (char *)malloc(llen+1); + if(ldata != NULL){ + memcpy(ldata, lineStart, llen); + ldata[llen] = 0; + ev += "data: "; + ev += ldata; + ev += "\r\n"; + free(ldata); + } + lineStart = nextLine; + if(lineStart == ((char *)message + messageLen)) + ev += "\r\n"; + } + } while(lineStart < ((char *)message + messageLen)); + } + + return ev; +} + +// Message + +AsyncEventSourceMessage::AsyncEventSourceMessage(const char * data, size_t len) +: _data(nullptr), _len(len), _sent(0), _acked(0) +{ + _data = (uint8_t*)malloc(_len+1); + if(_data == nullptr){ + _len = 0; + } else { + memcpy(_data, data, len); + _data[_len] = 0; + } +} + +AsyncEventSourceMessage::~AsyncEventSourceMessage() { + if(_data != NULL) + free(_data); +} + +size_t AsyncEventSourceMessage::ack(size_t len, uint32_t time) { + (void)time; + // If the whole message is now acked... + if(_acked + len > _len){ + // Return the number of extra bytes acked (they will be carried on to the next message) + const size_t extra = _acked + len - _len; + _acked = _len; + return extra; + } + // Return that no extra bytes left. + _acked += len; + return 0; +} + +size_t AsyncEventSourceMessage::send(AsyncClient *client) { + const size_t len = _len - _sent; + if(client->space() < len){ + return 0; + } + size_t sent = client->add((const char *)_data, len); + if(client->canSend()) + client->send(); + _sent += sent; + return sent; +} + +// Client + +AsyncEventSourceClient::AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server) +: _messageQueue(LinkedList([](AsyncEventSourceMessage *m){ delete m; })) +{ + _client = request->client(); + _server = server; + _lastId = 0; + if(request->hasHeader("Last-Event-ID")) + _lastId = atoi(request->getHeader("Last-Event-ID")->value().c_str()); + + _client->setRxTimeout(0); + _client->onError(NULL, NULL); + _client->onAck([](void *r, AsyncClient* c, size_t len, uint32_t time){ (void)c; ((AsyncEventSourceClient*)(r))->_onAck(len, time); }, this); + _client->onPoll([](void *r, AsyncClient* c){ (void)c; ((AsyncEventSourceClient*)(r))->_onPoll(); }, this); + _client->onData(NULL, NULL); + _client->onTimeout([this](void *r, AsyncClient* c __attribute__((unused)), uint32_t time){ ((AsyncEventSourceClient*)(r))->_onTimeout(time); }, this); + _client->onDisconnect([this](void *r, AsyncClient* c){ ((AsyncEventSourceClient*)(r))->_onDisconnect(); delete c; }, this); + + _server->_addClient(this); + delete request; +} + +AsyncEventSourceClient::~AsyncEventSourceClient(){ + _messageQueue.free(); + close(); +} + +void AsyncEventSourceClient::_queueMessage(AsyncEventSourceMessage *dataMessage){ + if(dataMessage == NULL) + return; + if(!connected()){ + delete dataMessage; + return; + } + if(_messageQueue.length() >= SSE_MAX_QUEUED_MESSAGES){ + ets_printf("ERROR: Too many messages queued\n"); + delete dataMessage; + } else { + _messageQueue.add(dataMessage); + } + if(_client->canSend()) + _runQueue(); +} + +void AsyncEventSourceClient::_onAck(size_t len, uint32_t time){ + while(len && !_messageQueue.isEmpty()){ + len = _messageQueue.front()->ack(len, time); + if(_messageQueue.front()->finished()) + _messageQueue.remove(_messageQueue.front()); + } + + _runQueue(); +} + +void AsyncEventSourceClient::_onPoll(){ + if(!_messageQueue.isEmpty()){ + _runQueue(); + } +} + + +void AsyncEventSourceClient::_onTimeout(uint32_t time __attribute__((unused))){ + _client->close(true); +} + +void AsyncEventSourceClient::_onDisconnect(){ + _client = NULL; + _server->_handleDisconnect(this); +} + +void AsyncEventSourceClient::close(){ + if(_client != NULL) + _client->close(); +} + +void AsyncEventSourceClient::write(const char * message, size_t len){ + _queueMessage(new AsyncEventSourceMessage(message, len)); +} + +void AsyncEventSourceClient::send(const char *message, const char *event, uint32_t id, uint32_t reconnect){ + String ev = generateEventMessage(message, event, id, reconnect); + _queueMessage(new AsyncEventSourceMessage(ev.c_str(), ev.length())); +} + +void AsyncEventSourceClient::_runQueue(){ + while(!_messageQueue.isEmpty() && _messageQueue.front()->finished()){ + _messageQueue.remove(_messageQueue.front()); + } + + for(auto i = _messageQueue.begin(); i != _messageQueue.end(); ++i) + { + if(!(*i)->sent()) + (*i)->send(_client); + } +} + + +// Handler + +AsyncEventSource::AsyncEventSource(const String& url) + : _url(url) + , _clients(LinkedList([](AsyncEventSourceClient *c){ delete c; })) + , _connectcb(NULL) +{} + +AsyncEventSource::~AsyncEventSource(){ + close(); +} + +void AsyncEventSource::onConnect(ArEventHandlerFunction cb){ + _connectcb = cb; +} + +void AsyncEventSource::_addClient(AsyncEventSourceClient * client){ + /*char * temp = (char *)malloc(2054); + if(temp != NULL){ + memset(temp+1,' ',2048); + temp[0] = ':'; + temp[2049] = '\r'; + temp[2050] = '\n'; + temp[2051] = '\r'; + temp[2052] = '\n'; + temp[2053] = 0; + client->write((const char *)temp, 2053); + free(temp); + }*/ + + _clients.add(client); + if(_connectcb) + _connectcb(client); +} + +void AsyncEventSource::_handleDisconnect(AsyncEventSourceClient * client){ + _clients.remove(client); +} + +void AsyncEventSource::close(){ + for(const auto &c: _clients){ + if(c->connected()) + c->close(); + } +} + +// pmb fix +size_t AsyncEventSource::avgPacketsWaiting() const { + if(_clients.isEmpty()) + return 0; + + size_t aql=0; + uint32_t nConnectedClients=0; + + for(const auto &c: _clients){ + if(c->connected()) { + aql+=c->packetsWaiting(); + ++nConnectedClients; + } + } +// return aql / nConnectedClients; + return ((aql) + (nConnectedClients/2))/(nConnectedClients); // round up +} + +void AsyncEventSource::send(const char *message, const char *event, uint32_t id, uint32_t reconnect){ + + + String ev = generateEventMessage(message, event, id, reconnect); + for(const auto &c: _clients){ + if(c->connected()) { + c->write(ev.c_str(), ev.length()); + } + } +} + +size_t AsyncEventSource::count() const { + return _clients.count_if([](AsyncEventSourceClient *c){ + return c->connected(); + }); +} + +bool AsyncEventSource::canHandle(AsyncWebServerRequest *request){ + if(request->method() != HTTP_GET || !request->url().equals(_url)) { + return false; + } + request->addInterestingHeader("Last-Event-ID"); + return true; +} + +void AsyncEventSource::handleRequest(AsyncWebServerRequest *request){ + if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str())) + return request->requestAuthentication(); + request->send(new AsyncEventSourceResponse(this)); +} + +// Response + +AsyncEventSourceResponse::AsyncEventSourceResponse(AsyncEventSource *server){ + _server = server; + _code = 200; + _contentType = "text/event-stream"; + _sendContentLength = false; + addHeader("Cache-Control", "no-cache"); + addHeader("Connection","keep-alive"); +} + +void AsyncEventSourceResponse::_respond(AsyncWebServerRequest *request){ + String out = _assembleHead(request->version()); + request->client()->write(out.c_str(), _headLength); + _state = RESPONSE_WAIT_ACK; +} + +size_t AsyncEventSourceResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time __attribute__((unused))){ + if(len){ + new AsyncEventSourceClient(request, _server); + } + return 0; +} + diff --git a/Lib_backup/AsyncEventSource.h b/Lib_backup/AsyncEventSource.h new file mode 100644 index 0000000..b097fa6 --- /dev/null +++ b/Lib_backup/AsyncEventSource.h @@ -0,0 +1,133 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef ASYNCEVENTSOURCE_H_ +#define ASYNCEVENTSOURCE_H_ + +#include +#ifdef ESP32 +#include +#define SSE_MAX_QUEUED_MESSAGES 32 +#else +#include +#define SSE_MAX_QUEUED_MESSAGES 8 +#endif +#include + +#include "AsyncWebSynchronization.h" + +#ifdef ESP8266 +#include +#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library +#include <../src/Hash.h> +#endif +#endif + +#ifdef ESP32 +#define DEFAULT_MAX_SSE_CLIENTS 8 +#else +#define DEFAULT_MAX_SSE_CLIENTS 4 +#endif + +class AsyncEventSource; +class AsyncEventSourceResponse; +class AsyncEventSourceClient; +typedef std::function ArEventHandlerFunction; + +class AsyncEventSourceMessage { + private: + uint8_t * _data; + size_t _len; + size_t _sent; + //size_t _ack; + size_t _acked; + public: + AsyncEventSourceMessage(const char * data, size_t len); + ~AsyncEventSourceMessage(); + size_t ack(size_t len, uint32_t time __attribute__((unused))); + size_t send(AsyncClient *client); + bool finished(){ return _acked == _len; } + bool sent() { return _sent == _len; } +}; + +class AsyncEventSourceClient { + private: + AsyncClient *_client; + AsyncEventSource *_server; + uint32_t _lastId; + LinkedList _messageQueue; + void _queueMessage(AsyncEventSourceMessage *dataMessage); + void _runQueue(); + + public: + + AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server); + ~AsyncEventSourceClient(); + + AsyncClient* client(){ return _client; } + void close(); + void write(const char * message, size_t len); + void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0); + bool connected() const { return (_client != NULL) && _client->connected(); } + uint32_t lastId() const { return _lastId; } + size_t packetsWaiting() const { return _messageQueue.length(); } + + //system callbacks (do not call) + void _onAck(size_t len, uint32_t time); + void _onPoll(); + void _onTimeout(uint32_t time); + void _onDisconnect(); +}; + +class AsyncEventSource: public AsyncWebHandler { + private: + String _url; + LinkedList _clients; + ArEventHandlerFunction _connectcb; + public: + AsyncEventSource(const String& url); + ~AsyncEventSource(); + + const char * url() const { return _url.c_str(); } + void close(); + void onConnect(ArEventHandlerFunction cb); + void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0); + size_t count() const; //number clinets connected + size_t avgPacketsWaiting() const; + + //system callbacks (do not call) + void _addClient(AsyncEventSourceClient * client); + void _handleDisconnect(AsyncEventSourceClient * client); + virtual bool canHandle(AsyncWebServerRequest *request) override final; + virtual void handleRequest(AsyncWebServerRequest *request) override final; +}; + +class AsyncEventSourceResponse: public AsyncWebServerResponse { + private: + String _content; + AsyncEventSource *_server; + public: + AsyncEventSourceResponse(AsyncEventSource *server); + void _respond(AsyncWebServerRequest *request); + size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time); + bool _sourceValid() const { return true; } +}; + + +#endif /* ASYNCEVENTSOURCE_H_ */ diff --git a/Lib_backup/AsyncJson.h b/Lib_backup/AsyncJson.h new file mode 100644 index 0000000..2fa6a2d --- /dev/null +++ b/Lib_backup/AsyncJson.h @@ -0,0 +1,254 @@ +// AsyncJson.h +/* + Async Response to use with ArduinoJson and AsyncWebServer + Written by Andrew Melvin (SticilFace) with help from me-no-dev and BBlanchon. + + Example of callback in use + + server.on("/json", HTTP_ANY, [](AsyncWebServerRequest * request) { + + AsyncJsonResponse * response = new AsyncJsonResponse(); + JsonObject& root = response->getRoot(); + root["key1"] = "key number one"; + JsonObject& nested = root.createNestedObject("nested"); + nested["key1"] = "key number one"; + + response->setLength(); + request->send(response); + }); + + -------------------- + + Async Request to use with ArduinoJson and AsyncWebServer + Written by Arsène von Wyss (avonwyss) + + Example + + AsyncCallbackJsonWebHandler* handler = new AsyncCallbackJsonWebHandler("/rest/endpoint"); + handler->onRequest([](AsyncWebServerRequest *request, JsonVariant &json) { + JsonObject& jsonObj = json.as(); + // ... + }); + server.addHandler(handler); + +*/ +#ifndef ASYNC_JSON_H_ +#define ASYNC_JSON_H_ +#include +#include +#include + +#if ARDUINOJSON_VERSION_MAJOR == 5 + #define ARDUINOJSON_5_COMPATIBILITY +#else + #ifndef DYNAMIC_JSON_DOCUMENT_SIZE + #define DYNAMIC_JSON_DOCUMENT_SIZE 1024 + #endif +#endif + +constexpr const char* JSON_MIMETYPE = "application/json"; + +/* + * Json Response + * */ + +class ChunkPrint : public Print { + private: + uint8_t* _destination; + size_t _to_skip; + size_t _to_write; + size_t _pos; + public: + ChunkPrint(uint8_t* destination, size_t from, size_t len) + : _destination(destination), _to_skip(from), _to_write(len), _pos{0} {} + virtual ~ChunkPrint(){} + size_t write(uint8_t c){ + if (_to_skip > 0) { + _to_skip--; + return 1; + } else if (_to_write > 0) { + _to_write--; + _destination[_pos++] = c; + return 1; + } + return 0; + } + size_t write(const uint8_t *buffer, size_t size) + { + return this->Print::write(buffer, size); + } +}; + +class AsyncJsonResponse: public AsyncAbstractResponse { + protected: + +#ifdef ARDUINOJSON_5_COMPATIBILITY + DynamicJsonBuffer _jsonBuffer; +#else + DynamicJsonDocument _jsonBuffer; +#endif + + JsonVariant _root; + bool _isValid; + + public: + +#ifdef ARDUINOJSON_5_COMPATIBILITY + AsyncJsonResponse(bool isArray=false): _isValid{false} { + _code = 200; + _contentType = JSON_MIMETYPE; + if(isArray) + _root = _jsonBuffer.createArray(); + else + _root = _jsonBuffer.createObject(); + } +#else + AsyncJsonResponse(bool isArray=false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE) : _jsonBuffer(maxJsonBufferSize), _isValid{false} { + _code = 200; + _contentType = JSON_MIMETYPE; + if(isArray) + _root = _jsonBuffer.createNestedArray(); + else + _root = _jsonBuffer.createNestedObject(); + } +#endif + + ~AsyncJsonResponse() {} + JsonVariant & getRoot() { return _root; } + bool _sourceValid() const { return _isValid; } + size_t setLength() { + +#ifdef ARDUINOJSON_5_COMPATIBILITY + _contentLength = _root.measureLength(); +#else + _contentLength = measureJson(_root); +#endif + + if (_contentLength) { _isValid = true; } + return _contentLength; + } + + size_t getSize() { return _jsonBuffer.size(); } + + size_t _fillBuffer(uint8_t *data, size_t len){ + ChunkPrint dest(data, _sentLength, len); + +#ifdef ARDUINOJSON_5_COMPATIBILITY + _root.printTo( dest ) ; +#else + serializeJson(_root, dest); +#endif + return len; + } +}; + +class PrettyAsyncJsonResponse: public AsyncJsonResponse { +public: +#ifdef ARDUINOJSON_5_COMPATIBILITY + PrettyAsyncJsonResponse (bool isArray=false) : AsyncJsonResponse{isArray} {} +#else + PrettyAsyncJsonResponse (bool isArray=false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE) : AsyncJsonResponse{isArray, maxJsonBufferSize} {} +#endif + size_t setLength () { +#ifdef ARDUINOJSON_5_COMPATIBILITY + _contentLength = _root.measurePrettyLength (); +#else + _contentLength = measureJsonPretty(_root); +#endif + if (_contentLength) {_isValid = true;} + return _contentLength; + } + size_t _fillBuffer (uint8_t *data, size_t len) { + ChunkPrint dest (data, _sentLength, len); +#ifdef ARDUINOJSON_5_COMPATIBILITY + _root.prettyPrintTo (dest); +#else + serializeJsonPretty(_root, dest); +#endif + return len; + } +}; + +typedef std::function ArJsonRequestHandlerFunction; + +class AsyncCallbackJsonWebHandler: public AsyncWebHandler { +private: +protected: + const String _uri; + WebRequestMethodComposite _method; + ArJsonRequestHandlerFunction _onRequest; + size_t _contentLength; +#ifndef ARDUINOJSON_5_COMPATIBILITY + const size_t maxJsonBufferSize; +#endif + size_t _maxContentLength; +public: +#ifdef ARDUINOJSON_5_COMPATIBILITY + AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest) + : _uri(uri), _method(HTTP_POST|HTTP_PUT|HTTP_PATCH), _onRequest(onRequest), _maxContentLength(16384) {} +#else + AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest, size_t maxJsonBufferSize=DYNAMIC_JSON_DOCUMENT_SIZE) + : _uri(uri), _method(HTTP_POST|HTTP_PUT|HTTP_PATCH), _onRequest(onRequest), maxJsonBufferSize(maxJsonBufferSize), _maxContentLength(16384) {} +#endif + + void setMethod(WebRequestMethodComposite method){ _method = method; } + void setMaxContentLength(int maxContentLength){ _maxContentLength = maxContentLength; } + void onRequest(ArJsonRequestHandlerFunction fn){ _onRequest = fn; } + + virtual bool canHandle(AsyncWebServerRequest *request) override final{ + if(!_onRequest) + return false; + + if(!(_method & request->method())) + return false; + + if(_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri+"/"))) + return false; + + if ( !request->contentType().equalsIgnoreCase(JSON_MIMETYPE) ) + return false; + + request->addInterestingHeader("ANY"); + return true; + } + + virtual void handleRequest(AsyncWebServerRequest *request) override final { + if(_onRequest) { + if (request->_tempObject != NULL) { + +#ifdef ARDUINOJSON_5_COMPATIBILITY + DynamicJsonBuffer jsonBuffer; + JsonVariant json = jsonBuffer.parse((uint8_t*)(request->_tempObject)); + if (json.success()) { +#else + DynamicJsonDocument jsonBuffer(this->maxJsonBufferSize); + DeserializationError error = deserializeJson(jsonBuffer, (uint8_t*)(request->_tempObject)); + if(!error) { + JsonVariant json = jsonBuffer.as(); +#endif + + _onRequest(request, json); + return; + } + } + request->send(_contentLength > _maxContentLength ? 413 : 400); + } else { + request->send(500); + } + } + virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final { + } + virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override final { + if (_onRequest) { + _contentLength = total; + if (total > 0 && request->_tempObject == NULL && total < _maxContentLength) { + request->_tempObject = malloc(total); + } + if (request->_tempObject != NULL) { + memcpy((uint8_t*)(request->_tempObject) + index, data, len); + } + } + } + virtual bool isRequestHandlerTrivial() override final {return _onRequest ? false : true;} +}; +#endif diff --git a/Lib_backup/AsyncTCP.cpp b/Lib_backup/AsyncTCP.cpp new file mode 100644 index 0000000..fd481cc --- /dev/null +++ b/Lib_backup/AsyncTCP.cpp @@ -0,0 +1,1357 @@ +/* + Asynchronous TCP library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "Arduino.h" + +#include +extern "C"{ +#include "lwip/opt.h" +#include "lwip/tcp.h" +#include "lwip/inet.h" +#include "lwip/dns.h" +#include "lwip/err.h" +} +#include "esp_task_wdt.h" + +/* + * TCP/IP Event Task + * */ + +typedef enum { + LWIP_TCP_SENT, LWIP_TCP_RECV, LWIP_TCP_FIN, LWIP_TCP_ERROR, LWIP_TCP_POLL, LWIP_TCP_CLEAR, LWIP_TCP_ACCEPT, LWIP_TCP_CONNECTED, LWIP_TCP_DNS +} lwip_event_t; + +typedef struct { + lwip_event_t event; + void *arg; + union { + struct { + void * pcb; + int8_t err; + } connected; + struct { + int8_t err; + } error; + struct { + tcp_pcb * pcb; + uint16_t len; + } sent; + struct { + tcp_pcb * pcb; + pbuf * pb; + int8_t err; + } recv; + struct { + tcp_pcb * pcb; + int8_t err; + } fin; + struct { + tcp_pcb * pcb; + } poll; + struct { + AsyncClient * client; + } accept; + struct { + const char * name; + ip_addr_t addr; + } dns; + }; +} lwip_event_packet_t; + +static xQueueHandle _async_queue; +static TaskHandle_t _async_service_task_handle = NULL; + + +SemaphoreHandle_t _slots_lock; +const int _number_of_closed_slots = CONFIG_LWIP_MAX_ACTIVE_TCP; +static uint32_t _closed_slots[_number_of_closed_slots]; +static uint32_t _closed_index = []() { + _slots_lock = xSemaphoreCreateBinary(); + xSemaphoreGive(_slots_lock); + for (int i = 0; i < _number_of_closed_slots; ++ i) { + _closed_slots[i] = 1; + } + return 1; +}(); + + +static inline bool _init_async_event_queue(){ + if(!_async_queue){ + _async_queue = xQueueCreate(32, sizeof(lwip_event_packet_t *)); + if(!_async_queue){ + return false; + } + } + return true; +} + +static inline bool _send_async_event(lwip_event_packet_t ** e){ + return _async_queue && xQueueSend(_async_queue, e, portMAX_DELAY) == pdPASS; +} + +static inline bool _prepend_async_event(lwip_event_packet_t ** e){ + return _async_queue && xQueueSendToFront(_async_queue, e, portMAX_DELAY) == pdPASS; +} + +static inline bool _get_async_event(lwip_event_packet_t ** e){ + return _async_queue && xQueueReceive(_async_queue, e, portMAX_DELAY) == pdPASS; +} + +static bool _remove_events_with_arg(void * arg){ + lwip_event_packet_t * first_packet = NULL; + lwip_event_packet_t * packet = NULL; + + if(!_async_queue){ + return false; + } + //figure out which is the first packet so we can keep the order + while(!first_packet){ + if(xQueueReceive(_async_queue, &first_packet, 0) != pdPASS){ + return false; + } + //discard packet if matching + if((int)first_packet->arg == (int)arg){ + free(first_packet); + first_packet = NULL; + //return first packet to the back of the queue + } else if(xQueueSend(_async_queue, &first_packet, portMAX_DELAY) != pdPASS){ + return false; + } + } + + while(xQueuePeek(_async_queue, &packet, 0) == pdPASS && packet != first_packet){ + if(xQueueReceive(_async_queue, &packet, 0) != pdPASS){ + return false; + } + if((int)packet->arg == (int)arg){ + free(packet); + packet = NULL; + } else if(xQueueSend(_async_queue, &packet, portMAX_DELAY) != pdPASS){ + return false; + } + } + return true; +} + +static void _handle_async_event(lwip_event_packet_t * e){ + if(e->arg == NULL){ + // do nothing when arg is NULL + //ets_printf("event arg == NULL: 0x%08x\n", e->recv.pcb); + } else if(e->event == LWIP_TCP_CLEAR){ + _remove_events_with_arg(e->arg); + } else if(e->event == LWIP_TCP_RECV){ + //ets_printf("-R: 0x%08x\n", e->recv.pcb); + AsyncClient::_s_recv(e->arg, e->recv.pcb, e->recv.pb, e->recv.err); + } else if(e->event == LWIP_TCP_FIN){ + //ets_printf("-F: 0x%08x\n", e->fin.pcb); + AsyncClient::_s_fin(e->arg, e->fin.pcb, e->fin.err); + } else if(e->event == LWIP_TCP_SENT){ + //ets_printf("-S: 0x%08x\n", e->sent.pcb); + AsyncClient::_s_sent(e->arg, e->sent.pcb, e->sent.len); + } else if(e->event == LWIP_TCP_POLL){ + //ets_printf("-P: 0x%08x\n", e->poll.pcb); + AsyncClient::_s_poll(e->arg, e->poll.pcb); + } else if(e->event == LWIP_TCP_ERROR){ + //ets_printf("-E: 0x%08x %d\n", e->arg, e->error.err); + AsyncClient::_s_error(e->arg, e->error.err); + } else if(e->event == LWIP_TCP_CONNECTED){ + //ets_printf("C: 0x%08x 0x%08x %d\n", e->arg, e->connected.pcb, e->connected.err); + AsyncClient::_s_connected(e->arg, e->connected.pcb, e->connected.err); + } else if(e->event == LWIP_TCP_ACCEPT){ + //ets_printf("A: 0x%08x 0x%08x\n", e->arg, e->accept.client); + AsyncServer::_s_accepted(e->arg, e->accept.client); + } else if(e->event == LWIP_TCP_DNS){ + //ets_printf("D: 0x%08x %s = %s\n", e->arg, e->dns.name, ipaddr_ntoa(&e->dns.addr)); + AsyncClient::_s_dns_found(e->dns.name, &e->dns.addr, e->arg); + } + free((void*)(e)); +} + +static void _async_service_task(void *pvParameters){ + lwip_event_packet_t * packet = NULL; + for (;;) { + if(_get_async_event(&packet)){ +#if CONFIG_ASYNC_TCP_USE_WDT + if(esp_task_wdt_add(NULL) != ESP_OK){ + log_e("Failed to add async task to WDT"); + } +#endif + _handle_async_event(packet); +#if CONFIG_ASYNC_TCP_USE_WDT + if(esp_task_wdt_delete(NULL) != ESP_OK){ + log_e("Failed to remove loop task from WDT"); + } +#endif + } + } + vTaskDelete(NULL); + _async_service_task_handle = NULL; +} +/* +static void _stop_async_task(){ + if(_async_service_task_handle){ + vTaskDelete(_async_service_task_handle); + _async_service_task_handle = NULL; + } +} +*/ +static bool _start_async_task(){ + if(!_init_async_event_queue()){ + return false; + } + if(!_async_service_task_handle){ + xTaskCreateUniversal(_async_service_task, "async_tcp", 8192 * 2, NULL, 3, &_async_service_task_handle, CONFIG_ASYNC_TCP_RUNNING_CORE); + if(!_async_service_task_handle){ + return false; + } + } + return true; +} + +/* + * LwIP Callbacks + * */ + +static int8_t _tcp_clear_events(void * arg) { + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->event = LWIP_TCP_CLEAR; + e->arg = arg; + if (!_prepend_async_event(&e)) { + free((void*)(e)); + } + return ERR_OK; +} + +static int8_t _tcp_connected(void * arg, tcp_pcb * pcb, int8_t err) { + //ets_printf("+C: 0x%08x\n", pcb); + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->event = LWIP_TCP_CONNECTED; + e->arg = arg; + e->connected.pcb = pcb; + e->connected.err = err; + if (!_prepend_async_event(&e)) { + free((void*)(e)); + } + return ERR_OK; +} + +static int8_t _tcp_poll(void * arg, struct tcp_pcb * pcb) { + //ets_printf("+P: 0x%08x\n", pcb); + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->event = LWIP_TCP_POLL; + e->arg = arg; + e->poll.pcb = pcb; + if (!_send_async_event(&e)) { + free((void*)(e)); + } + return ERR_OK; +} + +static int8_t _tcp_recv(void * arg, struct tcp_pcb * pcb, struct pbuf *pb, int8_t err) { + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->arg = arg; + if(pb){ + //ets_printf("+R: 0x%08x\n", pcb); + e->event = LWIP_TCP_RECV; + e->recv.pcb = pcb; + e->recv.pb = pb; + e->recv.err = err; + } else { + //ets_printf("+F: 0x%08x\n", pcb); + e->event = LWIP_TCP_FIN; + e->fin.pcb = pcb; + e->fin.err = err; + //close the PCB in LwIP thread + AsyncClient::_s_lwip_fin(e->arg, e->fin.pcb, e->fin.err); + } + if (!_send_async_event(&e)) { + free((void*)(e)); + } + return ERR_OK; +} + +static int8_t _tcp_sent(void * arg, struct tcp_pcb * pcb, uint16_t len) { + //ets_printf("+S: 0x%08x\n", pcb); + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->event = LWIP_TCP_SENT; + e->arg = arg; + e->sent.pcb = pcb; + e->sent.len = len; + if (!_send_async_event(&e)) { + free((void*)(e)); + } + return ERR_OK; +} + +static void _tcp_error(void * arg, int8_t err) { + //ets_printf("+E: 0x%08x\n", arg); + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->event = LWIP_TCP_ERROR; + e->arg = arg; + e->error.err = err; + if (!_send_async_event(&e)) { + free((void*)(e)); + } +} + +static void _tcp_dns_found(const char * name, struct ip_addr * ipaddr, void * arg) { + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + //ets_printf("+DNS: name=%s ipaddr=0x%08x arg=%x\n", name, ipaddr, arg); + e->event = LWIP_TCP_DNS; + e->arg = arg; + e->dns.name = name; + if (ipaddr) { + memcpy(&e->dns.addr, ipaddr, sizeof(struct ip_addr)); + } else { + memset(&e->dns.addr, 0, sizeof(e->dns.addr)); + } + if (!_send_async_event(&e)) { + free((void*)(e)); + } +} + +//Used to switch out from LwIP thread +static int8_t _tcp_accept(void * arg, AsyncClient * client) { + lwip_event_packet_t * e = (lwip_event_packet_t *)malloc(sizeof(lwip_event_packet_t)); + e->event = LWIP_TCP_ACCEPT; + e->arg = arg; + e->accept.client = client; + if (!_prepend_async_event(&e)) { + free((void*)(e)); + } + return ERR_OK; +} + +/* + * TCP/IP API Calls + * */ + +#include "lwip/priv/tcpip_priv.h" + +typedef struct { + struct tcpip_api_call_data call; + tcp_pcb * pcb; + int8_t closed_slot; + int8_t err; + union { + struct { + const char* data; + size_t size; + uint8_t apiflags; + } write; + size_t received; + struct { + ip_addr_t * addr; + uint16_t port; + tcp_connected_fn cb; + } connect; + struct { + ip_addr_t * addr; + uint16_t port; + } bind; + uint8_t backlog; + }; +} tcp_api_call_t; + +static err_t _tcp_output_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = ERR_CONN; + if(msg->closed_slot == -1 || !_closed_slots[msg->closed_slot]) { + msg->err = tcp_output(msg->pcb); + } + return msg->err; +} + +static esp_err_t _tcp_output(tcp_pcb * pcb, int8_t closed_slot) { + if(!pcb){ + return ERR_CONN; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = closed_slot; + tcpip_api_call(_tcp_output_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_write_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = ERR_CONN; + if(msg->closed_slot == -1 || !_closed_slots[msg->closed_slot]) { + msg->err = tcp_write(msg->pcb, msg->write.data, msg->write.size, msg->write.apiflags); + } + return msg->err; +} + +static esp_err_t _tcp_write(tcp_pcb * pcb, int8_t closed_slot, const char* data, size_t size, uint8_t apiflags) { + if(!pcb){ + return ERR_CONN; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = closed_slot; + msg.write.data = data; + msg.write.size = size; + msg.write.apiflags = apiflags; + tcpip_api_call(_tcp_write_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_recved_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = ERR_CONN; + if(msg->closed_slot == -1 || !_closed_slots[msg->closed_slot]) { + msg->err = 0; + tcp_recved(msg->pcb, msg->received); + } + return msg->err; +} + +static esp_err_t _tcp_recved(tcp_pcb * pcb, int8_t closed_slot, size_t len) { + if(!pcb){ + return ERR_CONN; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = closed_slot; + msg.received = len; + tcpip_api_call(_tcp_recved_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_close_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = ERR_CONN; + if(msg->closed_slot == -1 || !_closed_slots[msg->closed_slot]) { + msg->err = tcp_close(msg->pcb); + } + return msg->err; +} + +static esp_err_t _tcp_close(tcp_pcb * pcb, int8_t closed_slot) { + if(!pcb){ + return ERR_CONN; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = closed_slot; + tcpip_api_call(_tcp_close_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_abort_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = ERR_CONN; + if(msg->closed_slot == -1 || !_closed_slots[msg->closed_slot]) { + tcp_abort(msg->pcb); + } + return msg->err; +} + +static esp_err_t _tcp_abort(tcp_pcb * pcb, int8_t closed_slot) { + if(!pcb){ + return ERR_CONN; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = closed_slot; + tcpip_api_call(_tcp_abort_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_connect_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = tcp_connect(msg->pcb, msg->connect.addr, msg->connect.port, msg->connect.cb); + return msg->err; +} + +static esp_err_t _tcp_connect(tcp_pcb * pcb, int8_t closed_slot, ip_addr_t * addr, uint16_t port, tcp_connected_fn cb) { + if(!pcb){ + return ESP_FAIL; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = closed_slot; + msg.connect.addr = addr; + msg.connect.port = port; + msg.connect.cb = cb; + tcpip_api_call(_tcp_connect_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_bind_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = tcp_bind(msg->pcb, msg->bind.addr, msg->bind.port); + return msg->err; +} + +static esp_err_t _tcp_bind(tcp_pcb * pcb, ip_addr_t * addr, uint16_t port) { + if(!pcb){ + return ESP_FAIL; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = -1; + msg.bind.addr = addr; + msg.bind.port = port; + tcpip_api_call(_tcp_bind_api, (struct tcpip_api_call_data*)&msg); + return msg.err; +} + +static err_t _tcp_listen_api(struct tcpip_api_call_data *api_call_msg){ + tcp_api_call_t * msg = (tcp_api_call_t *)api_call_msg; + msg->err = 0; + msg->pcb = tcp_listen_with_backlog(msg->pcb, msg->backlog); + return msg->err; +} + +static tcp_pcb * _tcp_listen_with_backlog(tcp_pcb * pcb, uint8_t backlog) { + if(!pcb){ + return NULL; + } + tcp_api_call_t msg; + msg.pcb = pcb; + msg.closed_slot = -1; + msg.backlog = backlog?backlog:0xFF; + tcpip_api_call(_tcp_listen_api, (struct tcpip_api_call_data*)&msg); + return msg.pcb; +} + + + +/* + Async TCP Client + */ + +AsyncClient::AsyncClient(tcp_pcb* pcb) +: _connect_cb(0) +, _connect_cb_arg(0) +, _discard_cb(0) +, _discard_cb_arg(0) +, _sent_cb(0) +, _sent_cb_arg(0) +, _error_cb(0) +, _error_cb_arg(0) +, _recv_cb(0) +, _recv_cb_arg(0) +, _pb_cb(0) +, _pb_cb_arg(0) +, _timeout_cb(0) +, _timeout_cb_arg(0) +, _pcb_busy(false) +, _pcb_sent_at(0) +, _ack_pcb(true) +, _rx_last_packet(0) +, _rx_since_timeout(0) +, _ack_timeout(ASYNC_MAX_ACK_TIME) +, _connect_port(0) +, prev(NULL) +, next(NULL) +{ + _pcb = pcb; + _closed_slot = -1; + if(_pcb){ + _allocate_closed_slot(); + _rx_last_packet = millis(); + tcp_arg(_pcb, this); + tcp_recv(_pcb, &_tcp_recv); + tcp_sent(_pcb, &_tcp_sent); + tcp_err(_pcb, &_tcp_error); + tcp_poll(_pcb, &_tcp_poll, 1); + } +} + +AsyncClient::~AsyncClient(){ + if(_pcb) { + _close(); + } + _free_closed_slot(); +} + +/* + * Operators + * */ + +AsyncClient& AsyncClient::operator=(const AsyncClient& other){ + if (_pcb) { + _close(); + } + + _pcb = other._pcb; + _closed_slot = other._closed_slot; + if (_pcb) { + _rx_last_packet = millis(); + tcp_arg(_pcb, this); + tcp_recv(_pcb, &_tcp_recv); + tcp_sent(_pcb, &_tcp_sent); + tcp_err(_pcb, &_tcp_error); + tcp_poll(_pcb, &_tcp_poll, 1); + } + return *this; +} + +bool AsyncClient::operator==(const AsyncClient &other) { + return _pcb == other._pcb; +} + +AsyncClient & AsyncClient::operator+=(const AsyncClient &other) { + if(next == NULL){ + next = (AsyncClient*)(&other); + next->prev = this; + } else { + AsyncClient *c = next; + while(c->next != NULL) { + c = c->next; + } + c->next =(AsyncClient*)(&other); + c->next->prev = c; + } + return *this; +} + +/* + * Callback Setters + * */ + +void AsyncClient::onConnect(AcConnectHandler cb, void* arg){ + _connect_cb = cb; + _connect_cb_arg = arg; +} + +void AsyncClient::onDisconnect(AcConnectHandler cb, void* arg){ + _discard_cb = cb; + _discard_cb_arg = arg; +} + +void AsyncClient::onAck(AcAckHandler cb, void* arg){ + _sent_cb = cb; + _sent_cb_arg = arg; +} + +void AsyncClient::onError(AcErrorHandler cb, void* arg){ + _error_cb = cb; + _error_cb_arg = arg; +} + +void AsyncClient::onData(AcDataHandler cb, void* arg){ + _recv_cb = cb; + _recv_cb_arg = arg; +} + +void AsyncClient::onPacket(AcPacketHandler cb, void* arg){ + _pb_cb = cb; + _pb_cb_arg = arg; +} + +void AsyncClient::onTimeout(AcTimeoutHandler cb, void* arg){ + _timeout_cb = cb; + _timeout_cb_arg = arg; +} + +void AsyncClient::onPoll(AcConnectHandler cb, void* arg){ + _poll_cb = cb; + _poll_cb_arg = arg; +} + +/* + * Main Public Methods + * */ + +bool AsyncClient::connect(IPAddress ip, uint16_t port){ + if (_pcb){ + log_w("already connected, state %d", _pcb->state); + return false; + } + if(!_start_async_task()){ + log_e("failed to start task"); + return false; + } + + ip_addr_t addr; + addr.type = IPADDR_TYPE_V4; + addr.u_addr.ip4.addr = ip; + + tcp_pcb* pcb = tcp_new_ip_type(IPADDR_TYPE_V4); + if (!pcb){ + log_e("pcb == NULL"); + return false; + } + + tcp_arg(pcb, this); + tcp_err(pcb, &_tcp_error); + tcp_recv(pcb, &_tcp_recv); + tcp_sent(pcb, &_tcp_sent); + tcp_poll(pcb, &_tcp_poll, 1); + //_tcp_connect(pcb, &addr, port,(tcp_connected_fn)&_s_connected); + _tcp_connect(pcb, _closed_slot, &addr, port,(tcp_connected_fn)&_tcp_connected); + return true; +} + +bool AsyncClient::connect(const char* host, uint16_t port){ + ip_addr_t addr; + + if(!_start_async_task()){ + log_e("failed to start task"); + return false; + } + + err_t err = dns_gethostbyname(host, &addr, (dns_found_callback)&_tcp_dns_found, this); + if(err == ERR_OK) { + return connect(IPAddress(addr.u_addr.ip4.addr), port); + } else if(err == ERR_INPROGRESS) { + _connect_port = port; + return true; + } + log_e("error: %d", err); + return false; +} + +void AsyncClient::close(bool now){ + if(_pcb){ + _tcp_recved(_pcb, _closed_slot, _rx_ack_len); + } + _close(); +} + +int8_t AsyncClient::abort(){ + if(_pcb) { + _tcp_abort(_pcb, _closed_slot ); + _pcb = NULL; + } + return ERR_ABRT; +} + +size_t AsyncClient::space(){ + if((_pcb != NULL) && (_pcb->state == 4)){ + return tcp_sndbuf(_pcb); + } + return 0; +} + +size_t AsyncClient::add(const char* data, size_t size, uint8_t apiflags) { + if(!_pcb || size == 0 || data == NULL) { + return 0; + } + size_t room = space(); + if(!room) { + return 0; + } + size_t will_send = (room < size) ? room : size; + int8_t err = ERR_OK; + err = _tcp_write(_pcb, _closed_slot, data, will_send, apiflags); + if(err != ERR_OK) { + return 0; + } + return will_send; +} + +bool AsyncClient::send(){ + int8_t err = ERR_OK; + err = _tcp_output(_pcb, _closed_slot); + if(err == ERR_OK){ + _pcb_busy = true; + _pcb_sent_at = millis(); + return true; + } + return false; +} + +size_t AsyncClient::ack(size_t len){ + if(len > _rx_ack_len) + len = _rx_ack_len; + if(len){ + _tcp_recved(_pcb, _closed_slot, len); + } + _rx_ack_len -= len; + return len; +} + +void AsyncClient::ackPacket(struct pbuf * pb){ + if(!pb){ + return; + } + _tcp_recved(_pcb, _closed_slot, pb->len); + pbuf_free(pb); +} + +/* + * Main Private Methods + * */ + +int8_t AsyncClient::_close(){ + //ets_printf("X: 0x%08x\n", (uint32_t)this); + int8_t err = ERR_OK; + if(_pcb) { + //log_i(""); + tcp_arg(_pcb, NULL); + tcp_sent(_pcb, NULL); + tcp_recv(_pcb, NULL); + tcp_err(_pcb, NULL); + tcp_poll(_pcb, NULL, 0); + _tcp_clear_events(this); + err = _tcp_close(_pcb, _closed_slot); + if(err != ERR_OK) { + err = abort(); + } + _pcb = NULL; + if(_discard_cb) { + _discard_cb(_discard_cb_arg, this); + } + } + return err; +} + +void AsyncClient::_allocate_closed_slot(){ + xSemaphoreTake(_slots_lock, portMAX_DELAY); + uint32_t closed_slot_min_index = 0; + for (int i = 0; i < _number_of_closed_slots; ++ i) { + if ((_closed_slot == -1 || _closed_slots[i] <= closed_slot_min_index) && _closed_slots[i] != 0) { + closed_slot_min_index = _closed_slots[i]; + _closed_slot = i; + } + } + if (_closed_slot != -1) { + _closed_slots[_closed_slot] = 0; + } + xSemaphoreGive(_slots_lock); +} + +void AsyncClient::_free_closed_slot(){ + if (_closed_slot != -1) { + _closed_slots[_closed_slot] = _closed_index; + _closed_slot = -1; + ++ _closed_index; + } +} + +/* + * Private Callbacks + * */ + +int8_t AsyncClient::_connected(void* pcb, int8_t err){ + _pcb = reinterpret_cast(pcb); + if(_pcb){ + _rx_last_packet = millis(); + _pcb_busy = false; +// tcp_recv(_pcb, &_tcp_recv); +// tcp_sent(_pcb, &_tcp_sent); +// tcp_poll(_pcb, &_tcp_poll, 1); + } + if(_connect_cb) { + _connect_cb(_connect_cb_arg, this); + } + return ERR_OK; +} + +void AsyncClient::_error(int8_t err) { + if(_pcb){ + tcp_arg(_pcb, NULL); + if(_pcb->state == LISTEN) { + tcp_sent(_pcb, NULL); + tcp_recv(_pcb, NULL); + tcp_err(_pcb, NULL); + tcp_poll(_pcb, NULL, 0); + } + _pcb = NULL; + } + if(_error_cb) { + _error_cb(_error_cb_arg, this, err); + } + if(_discard_cb) { + _discard_cb(_discard_cb_arg, this); + } +} + +//In LwIP Thread +int8_t AsyncClient::_lwip_fin(tcp_pcb* pcb, int8_t err) { + if(!_pcb || pcb != _pcb){ + log_e("0x%08x != 0x%08x", (uint32_t)pcb, (uint32_t)_pcb); + return ERR_OK; + } + tcp_arg(_pcb, NULL); + if(_pcb->state == LISTEN) { + tcp_sent(_pcb, NULL); + tcp_recv(_pcb, NULL); + tcp_err(_pcb, NULL); + tcp_poll(_pcb, NULL, 0); + } + if(tcp_close(_pcb) != ERR_OK) { + tcp_abort(_pcb); + } + _free_closed_slot(); + _pcb = NULL; + return ERR_OK; +} + +//In Async Thread +int8_t AsyncClient::_fin(tcp_pcb* pcb, int8_t err) { + _tcp_clear_events(this); + if(_discard_cb) { + _discard_cb(_discard_cb_arg, this); + } + return ERR_OK; +} + +int8_t AsyncClient::_sent(tcp_pcb* pcb, uint16_t len) { + _rx_last_packet = millis(); + //log_i("%u", len); + _pcb_busy = false; + if(_sent_cb) { + _sent_cb(_sent_cb_arg, this, len, (millis() - _pcb_sent_at)); + } + return ERR_OK; +} + +int8_t AsyncClient::_recv(tcp_pcb* pcb, pbuf* pb, int8_t err) { + while(pb != NULL) { + _rx_last_packet = millis(); + //we should not ack before we assimilate the data + _ack_pcb = true; + pbuf *b = pb; + pb = b->next; + b->next = NULL; + if(_pb_cb){ + _pb_cb(_pb_cb_arg, this, b); + } else { + if(_recv_cb) { + _recv_cb(_recv_cb_arg, this, b->payload, b->len); + } + if(!_ack_pcb) { + _rx_ack_len += b->len; + } else if(_pcb) { + _tcp_recved(_pcb, _closed_slot, b->len); + } + pbuf_free(b); + } + } + return ERR_OK; +} + +int8_t AsyncClient::_poll(tcp_pcb* pcb){ + if(!_pcb){ + log_w("pcb is NULL"); + return ERR_OK; + } + if(pcb != _pcb){ + log_e("0x%08x != 0x%08x", (uint32_t)pcb, (uint32_t)_pcb); + return ERR_OK; + } + + uint32_t now = millis(); + + // ACK Timeout + if(_pcb_busy && _ack_timeout && (now - _pcb_sent_at) >= _ack_timeout){ + _pcb_busy = false; + log_w("ack timeout %d", pcb->state); + if(_timeout_cb) + _timeout_cb(_timeout_cb_arg, this, (now - _pcb_sent_at)); + return ERR_OK; + } + // RX Timeout + if(_rx_since_timeout && (now - _rx_last_packet) >= (_rx_since_timeout * 1000)){ + log_w("rx timeout %d", pcb->state); + _close(); + return ERR_OK; + } + // Everything is fine + if(_poll_cb) { + _poll_cb(_poll_cb_arg, this); + } + return ERR_OK; +} + +void AsyncClient::_dns_found(struct ip_addr *ipaddr){ + if(ipaddr && ipaddr->u_addr.ip4.addr){ + connect(IPAddress(ipaddr->u_addr.ip4.addr), _connect_port); + } else { + if(_error_cb) { + _error_cb(_error_cb_arg, this, -55); + } + if(_discard_cb) { + _discard_cb(_discard_cb_arg, this); + } + } +} + +/* + * Public Helper Methods + * */ + +void AsyncClient::stop() { + close(false); +} + +bool AsyncClient::free(){ + if(!_pcb) { + return true; + } + if(_pcb->state == 0 || _pcb->state > 4) { + return true; + } + return false; +} + +size_t AsyncClient::write(const char* data) { + if(data == NULL) { + return 0; + } + return write(data, strlen(data)); +} + +size_t AsyncClient::write(const char* data, size_t size, uint8_t apiflags) { + size_t will_send = add(data, size, apiflags); + if(!will_send || !send()) { + return 0; + } + return will_send; +} + +void AsyncClient::setRxTimeout(uint32_t timeout){ + _rx_since_timeout = timeout; +} + +uint32_t AsyncClient::getRxTimeout(){ + return _rx_since_timeout; +} + +uint32_t AsyncClient::getAckTimeout(){ + return _ack_timeout; +} + +void AsyncClient::setAckTimeout(uint32_t timeout){ + _ack_timeout = timeout; +} + +void AsyncClient::setNoDelay(bool nodelay){ + if(!_pcb) { + return; + } + if(nodelay) { + tcp_nagle_disable(_pcb); + } else { + tcp_nagle_enable(_pcb); + } +} + +bool AsyncClient::getNoDelay(){ + if(!_pcb) { + return false; + } + return tcp_nagle_disabled(_pcb); +} + +uint16_t AsyncClient::getMss(){ + if(!_pcb) { + return 0; + } + return tcp_mss(_pcb); +} + +uint32_t AsyncClient::getRemoteAddress() { + if(!_pcb) { + return 0; + } + return _pcb->remote_ip.u_addr.ip4.addr; +} + +uint16_t AsyncClient::getRemotePort() { + if(!_pcb) { + return 0; + } + return _pcb->remote_port; +} + +uint32_t AsyncClient::getLocalAddress() { + if(!_pcb) { + return 0; + } + return _pcb->local_ip.u_addr.ip4.addr; +} + +uint16_t AsyncClient::getLocalPort() { + if(!_pcb) { + return 0; + } + return _pcb->local_port; +} + +IPAddress AsyncClient::remoteIP() { + return IPAddress(getRemoteAddress()); +} + +uint16_t AsyncClient::remotePort() { + return getRemotePort(); +} + +IPAddress AsyncClient::localIP() { + return IPAddress(getLocalAddress()); +} + +uint16_t AsyncClient::localPort() { + return getLocalPort(); +} + +uint8_t AsyncClient::state() { + if(!_pcb) { + return 0; + } + return _pcb->state; +} + +bool AsyncClient::connected(){ + if (!_pcb) { + return false; + } + return _pcb->state == 4; +} + +bool AsyncClient::connecting(){ + if (!_pcb) { + return false; + } + return _pcb->state > 0 && _pcb->state < 4; +} + +bool AsyncClient::disconnecting(){ + if (!_pcb) { + return false; + } + return _pcb->state > 4 && _pcb->state < 10; +} + +bool AsyncClient::disconnected(){ + if (!_pcb) { + return true; + } + return _pcb->state == 0 || _pcb->state == 10; +} + +bool AsyncClient::freeable(){ + if (!_pcb) { + return true; + } + return _pcb->state == 0 || _pcb->state > 4; +} + +bool AsyncClient::canSend(){ + return space() > 0; +} + +const char * AsyncClient::errorToString(int8_t error){ + switch(error){ + case ERR_OK: return "OK"; + case ERR_MEM: return "Out of memory error"; + case ERR_BUF: return "Buffer error"; + case ERR_TIMEOUT: return "Timeout"; + case ERR_RTE: return "Routing problem"; + case ERR_INPROGRESS: return "Operation in progress"; + case ERR_VAL: return "Illegal value"; + case ERR_WOULDBLOCK: return "Operation would block"; + case ERR_USE: return "Address in use"; + case ERR_ALREADY: return "Already connected"; + case ERR_CONN: return "Not connected"; + case ERR_IF: return "Low-level netif error"; + case ERR_ABRT: return "Connection aborted"; + case ERR_RST: return "Connection reset"; + case ERR_CLSD: return "Connection closed"; + case ERR_ARG: return "Illegal argument"; + case -55: return "DNS failed"; + default: return "UNKNOWN"; + } +} + +const char * AsyncClient::stateToString(){ + switch(state()){ + case 0: return "Closed"; + case 1: return "Listen"; + case 2: return "SYN Sent"; + case 3: return "SYN Received"; + case 4: return "Established"; + case 5: return "FIN Wait 1"; + case 6: return "FIN Wait 2"; + case 7: return "Close Wait"; + case 8: return "Closing"; + case 9: return "Last ACK"; + case 10: return "Time Wait"; + default: return "UNKNOWN"; + } +} + +/* + * Static Callbacks (LwIP C2C++ interconnect) + * */ + +void AsyncClient::_s_dns_found(const char * name, struct ip_addr * ipaddr, void * arg){ + reinterpret_cast(arg)->_dns_found(ipaddr); +} + +int8_t AsyncClient::_s_poll(void * arg, struct tcp_pcb * pcb) { + return reinterpret_cast(arg)->_poll(pcb); +} + +int8_t AsyncClient::_s_recv(void * arg, struct tcp_pcb * pcb, struct pbuf *pb, int8_t err) { + return reinterpret_cast(arg)->_recv(pcb, pb, err); +} + +int8_t AsyncClient::_s_fin(void * arg, struct tcp_pcb * pcb, int8_t err) { + return reinterpret_cast(arg)->_fin(pcb, err); +} + +int8_t AsyncClient::_s_lwip_fin(void * arg, struct tcp_pcb * pcb, int8_t err) { + return reinterpret_cast(arg)->_lwip_fin(pcb, err); +} + +int8_t AsyncClient::_s_sent(void * arg, struct tcp_pcb * pcb, uint16_t len) { + return reinterpret_cast(arg)->_sent(pcb, len); +} + +void AsyncClient::_s_error(void * arg, int8_t err) { + reinterpret_cast(arg)->_error(err); +} + +int8_t AsyncClient::_s_connected(void * arg, void * pcb, int8_t err){ + return reinterpret_cast(arg)->_connected(pcb, err); +} + +/* + Async TCP Server + */ + +AsyncServer::AsyncServer(IPAddress addr, uint16_t port) +: _port(port) +, _addr(addr) +, _noDelay(false) +, _pcb(0) +, _connect_cb(0) +, _connect_cb_arg(0) +{} + +AsyncServer::AsyncServer(uint16_t port) +: _port(port) +, _addr((uint32_t) IPADDR_ANY) +, _noDelay(false) +, _pcb(0) +, _connect_cb(0) +, _connect_cb_arg(0) +{} + +AsyncServer::~AsyncServer(){ + end(); +} + +void AsyncServer::onClient(AcConnectHandler cb, void* arg){ + _connect_cb = cb; + _connect_cb_arg = arg; +} + +void AsyncServer::begin(){ + if(_pcb) { + return; + } + + if(!_start_async_task()){ + log_e("failed to start task"); + return; + } + int8_t err; + _pcb = tcp_new_ip_type(IPADDR_TYPE_V4); + if (!_pcb){ + log_e("_pcb == NULL"); + return; + } + + ip_addr_t local_addr; + local_addr.type = IPADDR_TYPE_V4; + local_addr.u_addr.ip4.addr = (uint32_t) _addr; + err = _tcp_bind(_pcb, &local_addr, _port); + + if (err != ERR_OK) { + _tcp_close(_pcb, -1); + log_e("bind error: %d", err); + return; + } + + static uint8_t backlog = 5; + _pcb = _tcp_listen_with_backlog(_pcb, backlog); + if (!_pcb) { + log_e("listen_pcb == NULL"); + return; + } + tcp_arg(_pcb, (void*) this); + tcp_accept(_pcb, &_s_accept); +} + +void AsyncServer::end(){ + if(_pcb){ + tcp_arg(_pcb, NULL); + tcp_accept(_pcb, NULL); + if(tcp_close(_pcb) != ERR_OK){ + _tcp_abort(_pcb, -1); + } + _pcb = NULL; + } +} + +//runs on LwIP thread +int8_t AsyncServer::_accept(tcp_pcb* pcb, int8_t err){ + //ets_printf("+A: 0x%08x\n", pcb); + if(_connect_cb){ + AsyncClient *c = new AsyncClient(pcb); + if(c){ + c->setNoDelay(_noDelay); + return _tcp_accept(this, c); + } + } + if(tcp_close(pcb) != ERR_OK){ + tcp_abort(pcb); + } + log_e("FAIL"); + return ERR_OK; +} + +int8_t AsyncServer::_accepted(AsyncClient* client){ + if(_connect_cb){ + _connect_cb(_connect_cb_arg, client); + } + return ERR_OK; +} + +void AsyncServer::setNoDelay(bool nodelay){ + _noDelay = nodelay; +} + +bool AsyncServer::getNoDelay(){ + return _noDelay; +} + +uint8_t AsyncServer::status(){ + if (!_pcb) { + return 0; + } + return _pcb->state; +} + +int8_t AsyncServer::_s_accept(void * arg, tcp_pcb * pcb, int8_t err){ + return reinterpret_cast(arg)->_accept(pcb, err); +} + +int8_t AsyncServer::_s_accepted(void *arg, AsyncClient* client){ + return reinterpret_cast(arg)->_accepted(client); +} diff --git a/Lib_backup/AsyncTCP.h b/Lib_backup/AsyncTCP.h new file mode 100644 index 0000000..ac87ded --- /dev/null +++ b/Lib_backup/AsyncTCP.h @@ -0,0 +1,217 @@ +/* + Asynchronous TCP library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef ASYNCTCP_H_ +#define ASYNCTCP_H_ + +#include "IPAddress.h" +#include "sdkconfig.h" +#include +extern "C" { + #include "freertos/semphr.h" + #include "lwip/pbuf.h" +} + +//If core is not defined, then we are running in Arduino or PIO +#ifndef CONFIG_ASYNC_TCP_RUNNING_CORE +#define CONFIG_ASYNC_TCP_RUNNING_CORE -1 //any available core +#define CONFIG_ASYNC_TCP_USE_WDT 1 //if enabled, adds between 33us and 200us per event +#endif + +class AsyncClient; + +#define ASYNC_MAX_ACK_TIME 5000 +#define ASYNC_WRITE_FLAG_COPY 0x01 //will allocate new buffer to hold the data while sending (else will hold reference to the data given) +#define ASYNC_WRITE_FLAG_MORE 0x02 //will not send PSH flag, meaning that there should be more data to be sent before the application should react. + +typedef std::function AcConnectHandler; +typedef std::function AcAckHandler; +typedef std::function AcErrorHandler; +typedef std::function AcDataHandler; +typedef std::function AcPacketHandler; +typedef std::function AcTimeoutHandler; + +struct tcp_pcb; +struct ip_addr; + +class AsyncClient { + public: + AsyncClient(tcp_pcb* pcb = 0); + ~AsyncClient(); + + AsyncClient & operator=(const AsyncClient &other); + AsyncClient & operator+=(const AsyncClient &other); + + bool operator==(const AsyncClient &other); + + bool operator!=(const AsyncClient &other) { + return !(*this == other); + } + bool connect(IPAddress ip, uint16_t port); + bool connect(const char* host, uint16_t port); + void close(bool now = false); + void stop(); + int8_t abort(); + bool free(); + + bool canSend();//ack is not pending + size_t space();//space available in the TCP window + size_t add(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY);//add for sending + bool send();//send all data added with the method above + + //write equals add()+send() + size_t write(const char* data); + size_t write(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY); //only when canSend() == true + + uint8_t state(); + bool connecting(); + bool connected(); + bool disconnecting(); + bool disconnected(); + bool freeable();//disconnected or disconnecting + + uint16_t getMss(); + + uint32_t getRxTimeout(); + void setRxTimeout(uint32_t timeout);//no RX data timeout for the connection in seconds + + uint32_t getAckTimeout(); + void setAckTimeout(uint32_t timeout);//no ACK timeout for the last sent packet in milliseconds + + void setNoDelay(bool nodelay); + bool getNoDelay(); + + uint32_t getRemoteAddress(); + uint16_t getRemotePort(); + uint32_t getLocalAddress(); + uint16_t getLocalPort(); + + //compatibility + IPAddress remoteIP(); + uint16_t remotePort(); + IPAddress localIP(); + uint16_t localPort(); + + void onConnect(AcConnectHandler cb, void* arg = 0); //on successful connect + void onDisconnect(AcConnectHandler cb, void* arg = 0); //disconnected + void onAck(AcAckHandler cb, void* arg = 0); //ack received + void onError(AcErrorHandler cb, void* arg = 0); //unsuccessful connect or error + void onData(AcDataHandler cb, void* arg = 0); //data received (called if onPacket is not used) + void onPacket(AcPacketHandler cb, void* arg = 0); //data received + void onTimeout(AcTimeoutHandler cb, void* arg = 0); //ack timeout + void onPoll(AcConnectHandler cb, void* arg = 0); //every 125ms when connected + + void ackPacket(struct pbuf * pb);//ack pbuf from onPacket + size_t ack(size_t len); //ack data that you have not acked using the method below + void ackLater(){ _ack_pcb = false; } //will not ack the current packet. Call from onData + + const char * errorToString(int8_t error); + const char * stateToString(); + + //Do not use any of the functions below! + static int8_t _s_poll(void *arg, struct tcp_pcb *tpcb); + static int8_t _s_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *pb, int8_t err); + static int8_t _s_fin(void *arg, struct tcp_pcb *tpcb, int8_t err); + static int8_t _s_lwip_fin(void *arg, struct tcp_pcb *tpcb, int8_t err); + static void _s_error(void *arg, int8_t err); + static int8_t _s_sent(void *arg, struct tcp_pcb *tpcb, uint16_t len); + static int8_t _s_connected(void* arg, void* tpcb, int8_t err); + static void _s_dns_found(const char *name, struct ip_addr *ipaddr, void *arg); + + int8_t _recv(tcp_pcb* pcb, pbuf* pb, int8_t err); + tcp_pcb * pcb(){ return _pcb; } + + protected: + tcp_pcb* _pcb; + int8_t _closed_slot; + + AcConnectHandler _connect_cb; + void* _connect_cb_arg; + AcConnectHandler _discard_cb; + void* _discard_cb_arg; + AcAckHandler _sent_cb; + void* _sent_cb_arg; + AcErrorHandler _error_cb; + void* _error_cb_arg; + AcDataHandler _recv_cb; + void* _recv_cb_arg; + AcPacketHandler _pb_cb; + void* _pb_cb_arg; + AcTimeoutHandler _timeout_cb; + void* _timeout_cb_arg; + AcConnectHandler _poll_cb; + void* _poll_cb_arg; + + bool _pcb_busy; + uint32_t _pcb_sent_at; + bool _ack_pcb; + uint32_t _rx_ack_len; + uint32_t _rx_last_packet; + uint32_t _rx_since_timeout; + uint32_t _ack_timeout; + uint16_t _connect_port; + + int8_t _close(); + void _free_closed_slot(); + void _allocate_closed_slot(); + int8_t _connected(void* pcb, int8_t err); + void _error(int8_t err); + int8_t _poll(tcp_pcb* pcb); + int8_t _sent(tcp_pcb* pcb, uint16_t len); + int8_t _fin(tcp_pcb* pcb, int8_t err); + int8_t _lwip_fin(tcp_pcb* pcb, int8_t err); + void _dns_found(struct ip_addr *ipaddr); + + public: + AsyncClient* prev; + AsyncClient* next; +}; + +class AsyncServer { + public: + AsyncServer(IPAddress addr, uint16_t port); + AsyncServer(uint16_t port); + ~AsyncServer(); + void onClient(AcConnectHandler cb, void* arg); + void begin(); + void end(); + void setNoDelay(bool nodelay); + bool getNoDelay(); + uint8_t status(); + + //Do not use any of the functions below! + static int8_t _s_accept(void *arg, tcp_pcb* newpcb, int8_t err); + static int8_t _s_accepted(void *arg, AsyncClient* client); + + protected: + uint16_t _port; + IPAddress _addr; + bool _noDelay; + tcp_pcb* _pcb; + AcConnectHandler _connect_cb; + void* _connect_cb_arg; + + int8_t _accept(tcp_pcb* newpcb, int8_t err); + int8_t _accepted(AsyncClient* client); +}; + + +#endif /* ASYNCTCP_H_ */ diff --git a/Lib_backup/AsyncWebSocket.cpp b/Lib_backup/AsyncWebSocket.cpp new file mode 100644 index 0000000..f76f2fc --- /dev/null +++ b/Lib_backup/AsyncWebSocket.cpp @@ -0,0 +1,1294 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "Arduino.h" +#include "AsyncWebSocket.h" + +#include + +#ifndef ESP8266 +#include "mbedtls/sha1.h" +#else +#include +#endif + +#define MAX_PRINTF_LEN 64 + +size_t webSocketSendFrameWindow(AsyncClient *client){ + if(!client->canSend()) + return 0; + size_t space = client->space(); + if(space < 9) + return 0; + return space - 8; +} + +size_t webSocketSendFrame(AsyncClient *client, bool final, uint8_t opcode, bool mask, uint8_t *data, size_t len){ + if(!client->canSend()) + return 0; + size_t space = client->space(); + if(space < 2) + return 0; + uint8_t mbuf[4] = {0,0,0,0}; + uint8_t headLen = 2; + if(len && mask){ + headLen += 4; + mbuf[0] = rand() % 0xFF; + mbuf[1] = rand() % 0xFF; + mbuf[2] = rand() % 0xFF; + mbuf[3] = rand() % 0xFF; + } + if(len > 125) + headLen += 2; + if(space < headLen) + return 0; + space -= headLen; + + if(len > space) len = space; + + uint8_t *buf = (uint8_t*)malloc(headLen); + if(buf == NULL){ + //os_printf("could not malloc %u bytes for frame header\n", headLen); + return 0; + } + + buf[0] = opcode & 0x0F; + if(final) + buf[0] |= 0x80; + if(len < 126) + buf[1] = len & 0x7F; + else { + buf[1] = 126; + buf[2] = (uint8_t)((len >> 8) & 0xFF); + buf[3] = (uint8_t)(len & 0xFF); + } + if(len && mask){ + buf[1] |= 0x80; + memcpy(buf + (headLen - 4), mbuf, 4); + } + if(client->add((const char *)buf, headLen) != headLen){ + //os_printf("error adding %lu header bytes\n", headLen); + free(buf); + return 0; + } + free(buf); + + if(len){ + if(len && mask){ + size_t i; + for(i=0;iadd((const char *)data, len) != len){ + //os_printf("error adding %lu data bytes\n", len); + return 0; + } + } + if(!client->send()){ + //os_printf("error sending frame: %lu\n", headLen+len); + return 0; + } + return len; +} + + +/* + * AsyncWebSocketMessageBuffer + */ + + + +AsyncWebSocketMessageBuffer::AsyncWebSocketMessageBuffer() + :_data(nullptr) + ,_len(0) + ,_lock(false) + ,_count(0) +{ + +} + +AsyncWebSocketMessageBuffer::AsyncWebSocketMessageBuffer(uint8_t * data, size_t size) + :_data(nullptr) + ,_len(size) + ,_lock(false) + ,_count(0) +{ + + if (!data) { + return; + } + + _data = new uint8_t[_len + 1]; + + if (_data) { + memcpy(_data, data, _len); + _data[_len] = 0; + } +} + + +AsyncWebSocketMessageBuffer::AsyncWebSocketMessageBuffer(size_t size) + :_data(nullptr) + ,_len(size) + ,_lock(false) + ,_count(0) +{ + _data = new uint8_t[_len + 1]; + + if (_data) { + _data[_len] = 0; + } + +} + +AsyncWebSocketMessageBuffer::AsyncWebSocketMessageBuffer(const AsyncWebSocketMessageBuffer & copy) + :_data(nullptr) + ,_len(0) + ,_lock(false) + ,_count(0) +{ + _len = copy._len; + _lock = copy._lock; + _count = 0; + + if (_len) { + _data = new uint8_t[_len + 1]; + _data[_len] = 0; + } + + if (_data) { + memcpy(_data, copy._data, _len); + _data[_len] = 0; + } + +} + +AsyncWebSocketMessageBuffer::AsyncWebSocketMessageBuffer(AsyncWebSocketMessageBuffer && copy) + :_data(nullptr) + ,_len(0) + ,_lock(false) + ,_count(0) +{ + _len = copy._len; + _lock = copy._lock; + _count = 0; + + if (copy._data) { + _data = copy._data; + copy._data = nullptr; + } + +} + +AsyncWebSocketMessageBuffer::~AsyncWebSocketMessageBuffer() +{ + if (_data) { + delete[] _data; + } +} + +bool AsyncWebSocketMessageBuffer::reserve(size_t size) +{ + _len = size; + + if (_data) { + delete[] _data; + _data = nullptr; + } + + _data = new uint8_t[_len + 1]; + + if (_data) { + _data[_len] = 0; + return true; + } else { + return false; + } + +} + + + +/* + * Control Frame + */ + +class AsyncWebSocketControl { + private: + uint8_t _opcode; + uint8_t *_data; + size_t _len; + bool _mask; + bool _finished; + public: + AsyncWebSocketControl(uint8_t opcode, uint8_t *data=NULL, size_t len=0, bool mask=false) + :_opcode(opcode) + ,_len(len) + ,_mask(len && mask) + ,_finished(false) + { + if(data == NULL) + _len = 0; + if(_len){ + if(_len > 125) + _len = 125; + _data = (uint8_t*)malloc(_len); + if(_data == NULL) + _len = 0; + else memcpy(_data, data, len); + } else _data = NULL; + } + virtual ~AsyncWebSocketControl(){ + if(_data != NULL) + free(_data); + } + virtual bool finished() const { return _finished; } + uint8_t opcode(){ return _opcode; } + uint8_t len(){ return _len + 2; } + size_t send(AsyncClient *client){ + _finished = true; + return webSocketSendFrame(client, true, _opcode & 0x0F, _mask, _data, _len); + } +}; + +/* + * Basic Buffered Message + */ + + +AsyncWebSocketBasicMessage::AsyncWebSocketBasicMessage(const char * data, size_t len, uint8_t opcode, bool mask) + :_len(len) + ,_sent(0) + ,_ack(0) + ,_acked(0) +{ + _opcode = opcode & 0x07; + _mask = mask; + _data = (uint8_t*)malloc(_len+1); + if(_data == NULL){ + _len = 0; + _status = WS_MSG_ERROR; + } else { + _status = WS_MSG_SENDING; + memcpy(_data, data, _len); + _data[_len] = 0; + } +} +AsyncWebSocketBasicMessage::AsyncWebSocketBasicMessage(uint8_t opcode, bool mask) + :_len(0) + ,_sent(0) + ,_ack(0) + ,_acked(0) + ,_data(NULL) +{ + _opcode = opcode & 0x07; + _mask = mask; + +} + + +AsyncWebSocketBasicMessage::~AsyncWebSocketBasicMessage() { + if(_data != NULL) + free(_data); +} + + void AsyncWebSocketBasicMessage::ack(size_t len, uint32_t time) { + (void)time; + _acked += len; + if(_sent == _len && _acked == _ack){ + _status = WS_MSG_SENT; + } +} + size_t AsyncWebSocketBasicMessage::send(AsyncClient *client) { + if(_status != WS_MSG_SENDING) + return 0; + if(_acked < _ack){ + return 0; + } + if(_sent == _len){ + if(_acked == _ack) + _status = WS_MSG_SENT; + return 0; + } + if(_sent > _len){ + _status = WS_MSG_ERROR; + return 0; + } + + size_t toSend = _len - _sent; + size_t window = webSocketSendFrameWindow(client); + + if(window < toSend) { + toSend = window; + } + + _sent += toSend; + _ack += toSend + ((toSend < 126)?2:4) + (_mask * 4); + + bool final = (_sent == _len); + uint8_t* dPtr = (uint8_t*)(_data + (_sent - toSend)); + uint8_t opCode = (toSend && _sent == toSend)?_opcode:(uint8_t)WS_CONTINUATION; + + size_t sent = webSocketSendFrame(client, final, opCode, _mask, dPtr, toSend); + _status = WS_MSG_SENDING; + if(toSend && sent != toSend){ + _sent -= (toSend - sent); + _ack -= (toSend - sent); + } + return sent; +} + +// bool AsyncWebSocketBasicMessage::reserve(size_t size) { +// if (size) { +// _data = (uint8_t*)malloc(size +1); +// if (_data) { +// memset(_data, 0, size); +// _len = size; +// _status = WS_MSG_SENDING; +// return true; +// } +// } +// return false; +// } + + +/* + * AsyncWebSocketMultiMessage Message + */ + + +AsyncWebSocketMultiMessage::AsyncWebSocketMultiMessage(AsyncWebSocketMessageBuffer * buffer, uint8_t opcode, bool mask) + :_len(0) + ,_sent(0) + ,_ack(0) + ,_acked(0) + ,_WSbuffer(nullptr) +{ + + _opcode = opcode & 0x07; + _mask = mask; + + if (buffer) { + _WSbuffer = buffer; + (*_WSbuffer)++; + _data = buffer->get(); + _len = buffer->length(); + _status = WS_MSG_SENDING; + //ets_printf("M: %u\n", _len); + } else { + _status = WS_MSG_ERROR; + } + +} + + +AsyncWebSocketMultiMessage::~AsyncWebSocketMultiMessage() { + if (_WSbuffer) { + (*_WSbuffer)--; // decreases the counter. + } +} + + void AsyncWebSocketMultiMessage::ack(size_t len, uint32_t time) { + (void)time; + _acked += len; + if(_sent >= _len && _acked >= _ack){ + _status = WS_MSG_SENT; + } + //ets_printf("A: %u\n", len); +} + size_t AsyncWebSocketMultiMessage::send(AsyncClient *client) { + if(_status != WS_MSG_SENDING) + return 0; + if(_acked < _ack){ + return 0; + } + if(_sent == _len){ + _status = WS_MSG_SENT; + return 0; + } + if(_sent > _len){ + _status = WS_MSG_ERROR; + //ets_printf("E: %u > %u\n", _sent, _len); + return 0; + } + + size_t toSend = _len - _sent; + size_t window = webSocketSendFrameWindow(client); + + if(window < toSend) { + toSend = window; + } + + _sent += toSend; + _ack += toSend + ((toSend < 126)?2:4) + (_mask * 4); + + //ets_printf("W: %u %u\n", _sent - toSend, toSend); + + bool final = (_sent == _len); + uint8_t* dPtr = (uint8_t*)(_data + (_sent - toSend)); + uint8_t opCode = (toSend && _sent == toSend)?_opcode:(uint8_t)WS_CONTINUATION; + + size_t sent = webSocketSendFrame(client, final, opCode, _mask, dPtr, toSend); + _status = WS_MSG_SENDING; + if(toSend && sent != toSend){ + //ets_printf("E: %u != %u\n", toSend, sent); + _sent -= (toSend - sent); + _ack -= (toSend - sent); + } + //ets_printf("S: %u %u\n", _sent, sent); + return sent; +} + + +/* + * Async WebSocket Client + */ + const char * AWSC_PING_PAYLOAD = "ESPAsyncWebServer-PING"; + const size_t AWSC_PING_PAYLOAD_LEN = 22; + +AsyncWebSocketClient::AsyncWebSocketClient(AsyncWebServerRequest *request, AsyncWebSocket *server) + : _controlQueue(LinkedList([](AsyncWebSocketControl *c){ delete c; })) + , _messageQueue(LinkedList([](AsyncWebSocketMessage *m){ delete m; })) + , _tempObject(NULL) +{ + _client = request->client(); + _server = server; + _clientId = _server->_getNextId(); + _status = WS_CONNECTED; + _pstate = 0; + _lastMessageTime = millis(); + _keepAlivePeriod = 0; + _client->setRxTimeout(0); + _client->onError([](void *r, AsyncClient* c, int8_t error){ (void)c; ((AsyncWebSocketClient*)(r))->_onError(error); }, this); + _client->onAck([](void *r, AsyncClient* c, size_t len, uint32_t time){ (void)c; ((AsyncWebSocketClient*)(r))->_onAck(len, time); }, this); + _client->onDisconnect([](void *r, AsyncClient* c){ ((AsyncWebSocketClient*)(r))->_onDisconnect(); delete c; }, this); + _client->onTimeout([](void *r, AsyncClient* c, uint32_t time){ (void)c; ((AsyncWebSocketClient*)(r))->_onTimeout(time); }, this); + _client->onData([](void *r, AsyncClient* c, void *buf, size_t len){ (void)c; ((AsyncWebSocketClient*)(r))->_onData(buf, len); }, this); + _client->onPoll([](void *r, AsyncClient* c){ (void)c; ((AsyncWebSocketClient*)(r))->_onPoll(); }, this); + _server->_addClient(this); + _server->_handleEvent(this, WS_EVT_CONNECT, request, NULL, 0); + delete request; +} + +AsyncWebSocketClient::~AsyncWebSocketClient(){ + _messageQueue.free(); + _controlQueue.free(); + _server->_handleEvent(this, WS_EVT_DISCONNECT, NULL, NULL, 0); +} + +void AsyncWebSocketClient::_onAck(size_t len, uint32_t time){ + _lastMessageTime = millis(); + if(!_controlQueue.isEmpty()){ + auto head = _controlQueue.front(); + if(head->finished()){ + len -= head->len(); + if(_status == WS_DISCONNECTING && head->opcode() == WS_DISCONNECT){ + _controlQueue.remove(head); + _status = WS_DISCONNECTED; + _client->close(true); + return; + } + _controlQueue.remove(head); + } + } + if(len && !_messageQueue.isEmpty()){ + _messageQueue.front()->ack(len, time); + } + _server->_cleanBuffers(); + _runQueue(); +} + +void AsyncWebSocketClient::_onPoll(){ + if(_client->canSend() && (!_controlQueue.isEmpty() || !_messageQueue.isEmpty())){ + _runQueue(); + } else if(_keepAlivePeriod > 0 && _controlQueue.isEmpty() && _messageQueue.isEmpty() && (millis() - _lastMessageTime) >= _keepAlivePeriod){ + ping((uint8_t *)AWSC_PING_PAYLOAD, AWSC_PING_PAYLOAD_LEN); + } +} + +void AsyncWebSocketClient::_runQueue(){ + while(!_messageQueue.isEmpty() && _messageQueue.front()->finished()){ + _messageQueue.remove(_messageQueue.front()); + } + + if(!_controlQueue.isEmpty() && (_messageQueue.isEmpty() || _messageQueue.front()->betweenFrames()) && webSocketSendFrameWindow(_client) > (size_t)(_controlQueue.front()->len() - 1)){ + _controlQueue.front()->send(_client); + } else if(!_messageQueue.isEmpty() && _messageQueue.front()->betweenFrames() && webSocketSendFrameWindow(_client)){ + _messageQueue.front()->send(_client); + } +} + +bool AsyncWebSocketClient::queueIsFull(){ + if((_messageQueue.length() >= WS_MAX_QUEUED_MESSAGES) || (_status != WS_CONNECTED) ) return true; + return false; +} + +void AsyncWebSocketClient::_queueMessage(AsyncWebSocketMessage *dataMessage){ + if(dataMessage == NULL) + return; + if(_status != WS_CONNECTED){ + delete dataMessage; + return; + } + if(_messageQueue.length() >= WS_MAX_QUEUED_MESSAGES){ + ets_printf("ERROR: Too many messages queued\n"); + delete dataMessage; + } else { + _messageQueue.add(dataMessage); + } + if(_client->canSend()) + _runQueue(); +} + +void AsyncWebSocketClient::_queueControl(AsyncWebSocketControl *controlMessage){ + if(controlMessage == NULL) + return; + _controlQueue.add(controlMessage); + if(_client->canSend()) + _runQueue(); +} + +void AsyncWebSocketClient::close(uint16_t code, const char * message){ + if(_status != WS_CONNECTED) + return; + if(code){ + uint8_t packetLen = 2; + if(message != NULL){ + size_t mlen = strlen(message); + if(mlen > 123) mlen = 123; + packetLen += mlen; + } + char * buf = (char*)malloc(packetLen); + if(buf != NULL){ + buf[0] = (uint8_t)(code >> 8); + buf[1] = (uint8_t)(code & 0xFF); + if(message != NULL){ + memcpy(buf+2, message, packetLen -2); + } + _queueControl(new AsyncWebSocketControl(WS_DISCONNECT,(uint8_t*)buf,packetLen)); + free(buf); + return; + } + } + _queueControl(new AsyncWebSocketControl(WS_DISCONNECT)); +} + +void AsyncWebSocketClient::ping(uint8_t *data, size_t len){ + if(_status == WS_CONNECTED) + _queueControl(new AsyncWebSocketControl(WS_PING, data, len)); +} + +void AsyncWebSocketClient::_onError(int8_t){} + +void AsyncWebSocketClient::_onTimeout(uint32_t time){ + (void)time; + _client->close(true); +} + +void AsyncWebSocketClient::_onDisconnect(){ + _client = NULL; + _server->_handleDisconnect(this); +} + +void AsyncWebSocketClient::_onData(void *pbuf, size_t plen){ + _lastMessageTime = millis(); + uint8_t *data = (uint8_t*)pbuf; + while(plen > 0){ + if(!_pstate){ + const uint8_t *fdata = data; + _pinfo.index = 0; + _pinfo.final = (fdata[0] & 0x80) != 0; + _pinfo.opcode = fdata[0] & 0x0F; + _pinfo.masked = (fdata[1] & 0x80) != 0; + _pinfo.len = fdata[1] & 0x7F; + data += 2; + plen -= 2; + if(_pinfo.len == 126){ + _pinfo.len = fdata[3] | (uint16_t)(fdata[2]) << 8; + data += 2; + plen -= 2; + } else if(_pinfo.len == 127){ + _pinfo.len = fdata[9] | (uint16_t)(fdata[8]) << 8 | (uint32_t)(fdata[7]) << 16 | (uint32_t)(fdata[6]) << 24 | (uint64_t)(fdata[5]) << 32 | (uint64_t)(fdata[4]) << 40 | (uint64_t)(fdata[3]) << 48 | (uint64_t)(fdata[2]) << 56; + data += 8; + plen -= 8; + } + + if(_pinfo.masked){ + memcpy(_pinfo.mask, data, 4); + data += 4; + plen -= 4; + } + } + + const size_t datalen = std::min((size_t)(_pinfo.len - _pinfo.index), plen); + const auto datalast = data[datalen]; + + if(_pinfo.masked){ + for(size_t i=0;i_handleEvent(this, WS_EVT_DATA, (void *)&_pinfo, (uint8_t*)data, datalen); + + _pinfo.index += datalen; + } else if((datalen + _pinfo.index) == _pinfo.len){ + _pstate = 0; + if(_pinfo.opcode == WS_DISCONNECT){ + if(datalen){ + uint16_t reasonCode = (uint16_t)(data[0] << 8) + data[1]; + char * reasonString = (char*)(data+2); + if(reasonCode > 1001){ + _server->_handleEvent(this, WS_EVT_ERROR, (void *)&reasonCode, (uint8_t*)reasonString, strlen(reasonString)); + } + } + if(_status == WS_DISCONNECTING){ + _status = WS_DISCONNECTED; + _client->close(true); + } else { + _status = WS_DISCONNECTING; + _client->ackLater(); + _queueControl(new AsyncWebSocketControl(WS_DISCONNECT, data, datalen)); + } + } else if(_pinfo.opcode == WS_PING){ + _queueControl(new AsyncWebSocketControl(WS_PONG, data, datalen)); + } else if(_pinfo.opcode == WS_PONG){ + if(datalen != AWSC_PING_PAYLOAD_LEN || memcmp(AWSC_PING_PAYLOAD, data, AWSC_PING_PAYLOAD_LEN) != 0) + _server->_handleEvent(this, WS_EVT_PONG, NULL, data, datalen); + } else if(_pinfo.opcode < 8){//continuation or text/binary frame + _server->_handleEvent(this, WS_EVT_DATA, (void *)&_pinfo, data, datalen); + } + } else { + //os_printf("frame error: len: %u, index: %llu, total: %llu\n", datalen, _pinfo.index, _pinfo.len); + //what should we do? + break; + } + + // restore byte as _handleEvent may have added a null terminator i.e., data[len] = 0; + if (datalen > 0) + data[datalen] = datalast; + + data += datalen; + plen -= datalen; + } +} + +size_t AsyncWebSocketClient::printf(const char *format, ...) { + va_list arg; + va_start(arg, format); + char* temp = new char[MAX_PRINTF_LEN]; + if(!temp){ + va_end(arg); + return 0; + } + char* buffer = temp; + size_t len = vsnprintf(temp, MAX_PRINTF_LEN, format, arg); + va_end(arg); + + if (len > (MAX_PRINTF_LEN - 1)) { + buffer = new char[len + 1]; + if (!buffer) { + delete[] temp; + return 0; + } + va_start(arg, format); + vsnprintf(buffer, len + 1, format, arg); + va_end(arg); + } + text(buffer, len); + if (buffer != temp) { + delete[] buffer; + } + delete[] temp; + return len; +} + +#ifndef ESP32 +size_t AsyncWebSocketClient::printf_P(PGM_P formatP, ...) { + va_list arg; + va_start(arg, formatP); + char* temp = new char[MAX_PRINTF_LEN]; + if(!temp){ + va_end(arg); + return 0; + } + char* buffer = temp; + size_t len = vsnprintf_P(temp, MAX_PRINTF_LEN, formatP, arg); + va_end(arg); + + if (len > (MAX_PRINTF_LEN - 1)) { + buffer = new char[len + 1]; + if (!buffer) { + delete[] temp; + return 0; + } + va_start(arg, formatP); + vsnprintf_P(buffer, len + 1, formatP, arg); + va_end(arg); + } + text(buffer, len); + if (buffer != temp) { + delete[] buffer; + } + delete[] temp; + return len; +} +#endif + +void AsyncWebSocketClient::text(const char * message, size_t len){ + _queueMessage(new AsyncWebSocketBasicMessage(message, len)); +} +void AsyncWebSocketClient::text(const char * message){ + text(message, strlen(message)); +} +void AsyncWebSocketClient::text(uint8_t * message, size_t len){ + text((const char *)message, len); +} +void AsyncWebSocketClient::text(char * message){ + text(message, strlen(message)); +} +void AsyncWebSocketClient::text(const String &message){ + text(message.c_str(), message.length()); +} +void AsyncWebSocketClient::text(const __FlashStringHelper *data){ + PGM_P p = reinterpret_cast(data); + size_t n = 0; + while (1) { + if (pgm_read_byte(p+n) == 0) break; + n += 1; + } + char * message = (char*) malloc(n+1); + if(message){ + for(size_t b=0; b(data); + char * message = (char*) malloc(len); + if(message){ + for(size_t b=0; bremoteIP(); +} + +uint16_t AsyncWebSocketClient::remotePort() { + if(!_client) { + return 0; + } + return _client->remotePort(); +} + + + +/* + * Async Web Socket - Each separate socket location + */ + +AsyncWebSocket::AsyncWebSocket(const String& url) + :_url(url) + ,_clients(LinkedList([](AsyncWebSocketClient *c){ delete c; })) + ,_cNextId(1) + ,_enabled(true) + ,_buffers(LinkedList([](AsyncWebSocketMessageBuffer *b){ delete b; })) +{ + _eventHandler = NULL; +} + +AsyncWebSocket::~AsyncWebSocket(){} + +void AsyncWebSocket::_handleEvent(AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len){ + if(_eventHandler != NULL){ + _eventHandler(this, client, type, arg, data, len); + } +} + +void AsyncWebSocket::_addClient(AsyncWebSocketClient * client){ + _clients.add(client); +} + +void AsyncWebSocket::_handleDisconnect(AsyncWebSocketClient * client){ + + _clients.remove_first([=](AsyncWebSocketClient * c){ + return c->id() == client->id(); + }); +} + +bool AsyncWebSocket::availableForWriteAll(){ + for(const auto& c: _clients){ + if(c->queueIsFull()) return false; + } + return true; +} + +bool AsyncWebSocket::availableForWrite(uint32_t id){ + for(const auto& c: _clients){ + if(c->queueIsFull() && (c->id() == id )) return false; + } + return true; +} + +size_t AsyncWebSocket::count() const { + return _clients.count_if([](AsyncWebSocketClient * c){ + return c->status() == WS_CONNECTED; + }); +} + +AsyncWebSocketClient * AsyncWebSocket::client(uint32_t id){ + for(const auto &c: _clients){ + if(c->id() == id && c->status() == WS_CONNECTED){ + return c; + } + } + return nullptr; +} + + +void AsyncWebSocket::close(uint32_t id, uint16_t code, const char * message){ + AsyncWebSocketClient * c = client(id); + if(c) + c->close(code, message); +} + +void AsyncWebSocket::closeAll(uint16_t code, const char * message){ + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED) + c->close(code, message); + } +} + +void AsyncWebSocket::cleanupClients(uint16_t maxClients) +{ + if (count() > maxClients){ + _clients.front()->close(); + } +} + +void AsyncWebSocket::ping(uint32_t id, uint8_t *data, size_t len){ + AsyncWebSocketClient * c = client(id); + if(c) + c->ping(data, len); +} + +void AsyncWebSocket::pingAll(uint8_t *data, size_t len){ + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED) + c->ping(data, len); + } +} + +void AsyncWebSocket::text(uint32_t id, const char * message, size_t len){ + AsyncWebSocketClient * c = client(id); + if(c) + c->text(message, len); +} + +void AsyncWebSocket::textAll(AsyncWebSocketMessageBuffer * buffer){ + if (!buffer) return; + buffer->lock(); + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED){ + c->text(buffer); + } + } + buffer->unlock(); + _cleanBuffers(); +} + + +void AsyncWebSocket::textAll(const char * message, size_t len){ + AsyncWebSocketMessageBuffer * WSBuffer = makeBuffer((uint8_t *)message, len); + textAll(WSBuffer); +} + +void AsyncWebSocket::binary(uint32_t id, const char * message, size_t len){ + AsyncWebSocketClient * c = client(id); + if(c) + c->binary(message, len); +} + +void AsyncWebSocket::binaryAll(const char * message, size_t len){ + AsyncWebSocketMessageBuffer * buffer = makeBuffer((uint8_t *)message, len); + binaryAll(buffer); +} + +void AsyncWebSocket::binaryAll(AsyncWebSocketMessageBuffer * buffer) +{ + if (!buffer) return; + buffer->lock(); + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED) + c->binary(buffer); + } + buffer->unlock(); + _cleanBuffers(); +} + +void AsyncWebSocket::message(uint32_t id, AsyncWebSocketMessage *message){ + AsyncWebSocketClient * c = client(id); + if(c) + c->message(message); +} + +void AsyncWebSocket::messageAll(AsyncWebSocketMultiMessage *message){ + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED) + c->message(message); + } + _cleanBuffers(); +} + +size_t AsyncWebSocket::printf(uint32_t id, const char *format, ...){ + AsyncWebSocketClient * c = client(id); + if(c){ + va_list arg; + va_start(arg, format); + size_t len = c->printf(format, arg); + va_end(arg); + return len; + } + return 0; +} + +size_t AsyncWebSocket::printfAll(const char *format, ...) { + va_list arg; + char* temp = new char[MAX_PRINTF_LEN]; + if(!temp){ + return 0; + } + va_start(arg, format); + size_t len = vsnprintf(temp, MAX_PRINTF_LEN, format, arg); + va_end(arg); + delete[] temp; + + AsyncWebSocketMessageBuffer * buffer = makeBuffer(len); + if (!buffer) { + return 0; + } + + va_start(arg, format); + vsnprintf( (char *)buffer->get(), len + 1, format, arg); + va_end(arg); + + textAll(buffer); + return len; +} + +#ifndef ESP32 +size_t AsyncWebSocket::printf_P(uint32_t id, PGM_P formatP, ...){ + AsyncWebSocketClient * c = client(id); + if(c != NULL){ + va_list arg; + va_start(arg, formatP); + size_t len = c->printf_P(formatP, arg); + va_end(arg); + return len; + } + return 0; +} +#endif + +size_t AsyncWebSocket::printfAll_P(PGM_P formatP, ...) { + va_list arg; + char* temp = new char[MAX_PRINTF_LEN]; + if(!temp){ + return 0; + } + va_start(arg, formatP); + size_t len = vsnprintf_P(temp, MAX_PRINTF_LEN, formatP, arg); + va_end(arg); + delete[] temp; + + AsyncWebSocketMessageBuffer * buffer = makeBuffer(len + 1); + if (!buffer) { + return 0; + } + + va_start(arg, formatP); + vsnprintf_P((char *)buffer->get(), len + 1, formatP, arg); + va_end(arg); + + textAll(buffer); + return len; +} + +void AsyncWebSocket::text(uint32_t id, const char * message){ + text(id, message, strlen(message)); +} +void AsyncWebSocket::text(uint32_t id, uint8_t * message, size_t len){ + text(id, (const char *)message, len); +} +void AsyncWebSocket::text(uint32_t id, char * message){ + text(id, message, strlen(message)); +} +void AsyncWebSocket::text(uint32_t id, const String &message){ + text(id, message.c_str(), message.length()); +} +void AsyncWebSocket::text(uint32_t id, const __FlashStringHelper *message){ + AsyncWebSocketClient * c = client(id); + if(c != NULL) + c->text(message); +} +void AsyncWebSocket::textAll(const char * message){ + textAll(message, strlen(message)); +} +void AsyncWebSocket::textAll(uint8_t * message, size_t len){ + textAll((const char *)message, len); +} +void AsyncWebSocket::textAll(char * message){ + textAll(message, strlen(message)); +} +void AsyncWebSocket::textAll(const String &message){ + textAll(message.c_str(), message.length()); +} +void AsyncWebSocket::textAll(const __FlashStringHelper *message){ + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED) + c->text(message); + } +} +void AsyncWebSocket::binary(uint32_t id, const char * message){ + binary(id, message, strlen(message)); +} +void AsyncWebSocket::binary(uint32_t id, uint8_t * message, size_t len){ + binary(id, (const char *)message, len); +} +void AsyncWebSocket::binary(uint32_t id, char * message){ + binary(id, message, strlen(message)); +} +void AsyncWebSocket::binary(uint32_t id, const String &message){ + binary(id, message.c_str(), message.length()); +} +void AsyncWebSocket::binary(uint32_t id, const __FlashStringHelper *message, size_t len){ + AsyncWebSocketClient * c = client(id); + if(c != NULL) + c-> binary(message, len); +} +void AsyncWebSocket::binaryAll(const char * message){ + binaryAll(message, strlen(message)); +} +void AsyncWebSocket::binaryAll(uint8_t * message, size_t len){ + binaryAll((const char *)message, len); +} +void AsyncWebSocket::binaryAll(char * message){ + binaryAll(message, strlen(message)); +} +void AsyncWebSocket::binaryAll(const String &message){ + binaryAll(message.c_str(), message.length()); +} +void AsyncWebSocket::binaryAll(const __FlashStringHelper *message, size_t len){ + for(const auto& c: _clients){ + if(c->status() == WS_CONNECTED) + c-> binary(message, len); + } + } + +const char * WS_STR_CONNECTION = "Connection"; +const char * WS_STR_UPGRADE = "Upgrade"; +const char * WS_STR_ORIGIN = "Origin"; +const char * WS_STR_VERSION = "Sec-WebSocket-Version"; +const char * WS_STR_KEY = "Sec-WebSocket-Key"; +const char * WS_STR_PROTOCOL = "Sec-WebSocket-Protocol"; +const char * WS_STR_ACCEPT = "Sec-WebSocket-Accept"; +const char * WS_STR_UUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"; + +bool AsyncWebSocket::canHandle(AsyncWebServerRequest *request){ + if(!_enabled) + return false; + + if(request->method() != HTTP_GET || !request->url().equals(_url) || !request->isExpectedRequestedConnType(RCT_WS)) + return false; + + request->addInterestingHeader(WS_STR_CONNECTION); + request->addInterestingHeader(WS_STR_UPGRADE); + request->addInterestingHeader(WS_STR_ORIGIN); + request->addInterestingHeader(WS_STR_VERSION); + request->addInterestingHeader(WS_STR_KEY); + request->addInterestingHeader(WS_STR_PROTOCOL); + return true; +} + +void AsyncWebSocket::handleRequest(AsyncWebServerRequest *request){ + if(!request->hasHeader(WS_STR_VERSION) || !request->hasHeader(WS_STR_KEY)){ + request->send(400); + return; + } + if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str())){ + return request->requestAuthentication(); + } + AsyncWebHeader* version = request->getHeader(WS_STR_VERSION); + if(version->value().toInt() != 13){ + AsyncWebServerResponse *response = request->beginResponse(400); + response->addHeader(WS_STR_VERSION,"13"); + request->send(response); + return; + } + AsyncWebHeader* key = request->getHeader(WS_STR_KEY); + AsyncWebServerResponse *response = new AsyncWebSocketResponse(key->value(), this); + if(request->hasHeader(WS_STR_PROTOCOL)){ + AsyncWebHeader* protocol = request->getHeader(WS_STR_PROTOCOL); + //ToDo: check protocol + response->addHeader(WS_STR_PROTOCOL, protocol->value()); + } + request->send(response); +} + +AsyncWebSocketMessageBuffer * AsyncWebSocket::makeBuffer(size_t size) +{ + AsyncWebSocketMessageBuffer * buffer = new AsyncWebSocketMessageBuffer(size); + if (buffer) { + AsyncWebLockGuard l(_lock); + _buffers.add(buffer); + } + return buffer; +} + +AsyncWebSocketMessageBuffer * AsyncWebSocket::makeBuffer(uint8_t * data, size_t size) +{ + AsyncWebSocketMessageBuffer * buffer = new AsyncWebSocketMessageBuffer(data, size); + + if (buffer) { + AsyncWebLockGuard l(_lock); + _buffers.add(buffer); + } + + return buffer; +} + +void AsyncWebSocket::_cleanBuffers() +{ + AsyncWebLockGuard l(_lock); + + for(AsyncWebSocketMessageBuffer * c: _buffers){ + if(c && c->canDelete()){ + _buffers.remove(c); + } + } +} + +AsyncWebSocket::AsyncWebSocketClientLinkedList AsyncWebSocket::getClients() const { + return _clients; +} + +/* + * Response to Web Socket request - sends the authorization and detaches the TCP Client from the web server + * Authentication code from https://github.com/Links2004/arduinoWebSockets/blob/master/src/WebSockets.cpp#L480 + */ + +AsyncWebSocketResponse::AsyncWebSocketResponse(const String& key, AsyncWebSocket *server){ + _server = server; + _code = 101; + _sendContentLength = false; + + uint8_t * hash = (uint8_t*)malloc(20); + if(hash == NULL){ + _state = RESPONSE_FAILED; + return; + } + char * buffer = (char *) malloc(33); + if(buffer == NULL){ + free(hash); + _state = RESPONSE_FAILED; + return; + } +#ifdef ESP8266 + sha1(key + WS_STR_UUID, hash); +#else + (String&)key += WS_STR_UUID; + mbedtls_sha1_context ctx; + mbedtls_sha1_init(&ctx); + mbedtls_sha1_starts_ret(&ctx); + mbedtls_sha1_update_ret(&ctx, (const unsigned char*)key.c_str(), key.length()); + mbedtls_sha1_finish_ret(&ctx, hash); + mbedtls_sha1_free(&ctx); +#endif + base64_encodestate _state; + base64_init_encodestate(&_state); + int len = base64_encode_block((const char *) hash, 20, buffer, &_state); + len = base64_encode_blockend((buffer + len), &_state); + addHeader(WS_STR_CONNECTION, WS_STR_UPGRADE); + addHeader(WS_STR_UPGRADE, "websocket"); + addHeader(WS_STR_ACCEPT,buffer); + free(buffer); + free(hash); +} + +void AsyncWebSocketResponse::_respond(AsyncWebServerRequest *request){ + if(_state == RESPONSE_FAILED){ + request->client()->close(true); + return; + } + String out = _assembleHead(request->version()); + request->client()->write(out.c_str(), _headLength); + _state = RESPONSE_WAIT_ACK; +} + +size_t AsyncWebSocketResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ + (void)time; + if(len){ + new AsyncWebSocketClient(request, _server); + } + return 0; +} diff --git a/Lib_backup/AsyncWebSocket.h b/Lib_backup/AsyncWebSocket.h new file mode 100644 index 0000000..5b03ace --- /dev/null +++ b/Lib_backup/AsyncWebSocket.h @@ -0,0 +1,350 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef ASYNCWEBSOCKET_H_ +#define ASYNCWEBSOCKET_H_ + +#include +#ifdef ESP32 +#include +#define WS_MAX_QUEUED_MESSAGES 32 +#else +#include +#define WS_MAX_QUEUED_MESSAGES 8 +#endif +#include + +#include "AsyncWebSynchronization.h" + +#ifdef ESP8266 +#include +#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library +#include <../src/Hash.h> +#endif +#endif + +#ifdef ESP32 +#define DEFAULT_MAX_WS_CLIENTS 8 +#else +#define DEFAULT_MAX_WS_CLIENTS 4 +#endif + +class AsyncWebSocket; +class AsyncWebSocketResponse; +class AsyncWebSocketClient; +class AsyncWebSocketControl; + +typedef struct { + /** Message type as defined by enum AwsFrameType. + * Note: Applications will only see WS_TEXT and WS_BINARY. + * All other types are handled by the library. */ + uint8_t message_opcode; + /** Frame number of a fragmented message. */ + uint32_t num; + /** Is this the last frame in a fragmented message ?*/ + uint8_t final; + /** Is this frame masked? */ + uint8_t masked; + /** Message type as defined by enum AwsFrameType. + * This value is the same as message_opcode for non-fragmented + * messages, but may also be WS_CONTINUATION in a fragmented message. */ + uint8_t opcode; + /** Length of the current frame. + * This equals the total length of the message if num == 0 && final == true */ + uint64_t len; + /** Mask key */ + uint8_t mask[4]; + /** Offset of the data inside the current frame. */ + uint64_t index; +} AwsFrameInfo; + +typedef enum { WS_DISCONNECTED, WS_CONNECTED, WS_DISCONNECTING } AwsClientStatus; +typedef enum { WS_CONTINUATION, WS_TEXT, WS_BINARY, WS_DISCONNECT = 0x08, WS_PING, WS_PONG } AwsFrameType; +typedef enum { WS_MSG_SENDING, WS_MSG_SENT, WS_MSG_ERROR } AwsMessageStatus; +typedef enum { WS_EVT_CONNECT, WS_EVT_DISCONNECT, WS_EVT_PONG, WS_EVT_ERROR, WS_EVT_DATA } AwsEventType; + +class AsyncWebSocketMessageBuffer { + private: + uint8_t * _data; + size_t _len; + bool _lock; + uint32_t _count; + + public: + AsyncWebSocketMessageBuffer(); + AsyncWebSocketMessageBuffer(size_t size); + AsyncWebSocketMessageBuffer(uint8_t * data, size_t size); + AsyncWebSocketMessageBuffer(const AsyncWebSocketMessageBuffer &); + AsyncWebSocketMessageBuffer(AsyncWebSocketMessageBuffer &&); + ~AsyncWebSocketMessageBuffer(); + void operator ++(int i) { (void)i; _count++; } + void operator --(int i) { (void)i; if (_count > 0) { _count--; } ; } + bool reserve(size_t size); + void lock() { _lock = true; } + void unlock() { _lock = false; } + uint8_t * get() { return _data; } + size_t length() { return _len; } + uint32_t count() { return _count; } + bool canDelete() { return (!_count && !_lock); } + + friend AsyncWebSocket; + +}; + +class AsyncWebSocketMessage { + protected: + uint8_t _opcode; + bool _mask; + AwsMessageStatus _status; + public: + AsyncWebSocketMessage():_opcode(WS_TEXT),_mask(false),_status(WS_MSG_ERROR){} + virtual ~AsyncWebSocketMessage(){} + virtual void ack(size_t len __attribute__((unused)), uint32_t time __attribute__((unused))){} + virtual size_t send(AsyncClient *client __attribute__((unused))){ return 0; } + virtual bool finished(){ return _status != WS_MSG_SENDING; } + virtual bool betweenFrames() const { return false; } +}; + +class AsyncWebSocketBasicMessage: public AsyncWebSocketMessage { + private: + size_t _len; + size_t _sent; + size_t _ack; + size_t _acked; + uint8_t * _data; +public: + AsyncWebSocketBasicMessage(const char * data, size_t len, uint8_t opcode=WS_TEXT, bool mask=false); + AsyncWebSocketBasicMessage(uint8_t opcode=WS_TEXT, bool mask=false); + virtual ~AsyncWebSocketBasicMessage() override; + virtual bool betweenFrames() const override { return _acked == _ack; } + virtual void ack(size_t len, uint32_t time) override ; + virtual size_t send(AsyncClient *client) override ; +}; + +class AsyncWebSocketMultiMessage: public AsyncWebSocketMessage { + private: + uint8_t * _data; + size_t _len; + size_t _sent; + size_t _ack; + size_t _acked; + AsyncWebSocketMessageBuffer * _WSbuffer; +public: + AsyncWebSocketMultiMessage(AsyncWebSocketMessageBuffer * buffer, uint8_t opcode=WS_TEXT, bool mask=false); + virtual ~AsyncWebSocketMultiMessage() override; + virtual bool betweenFrames() const override { return _acked == _ack; } + virtual void ack(size_t len, uint32_t time) override ; + virtual size_t send(AsyncClient *client) override ; +}; + +class AsyncWebSocketClient { + private: + AsyncClient *_client; + AsyncWebSocket *_server; + uint32_t _clientId; + AwsClientStatus _status; + + LinkedList _controlQueue; + LinkedList _messageQueue; + + uint8_t _pstate; + AwsFrameInfo _pinfo; + + uint32_t _lastMessageTime; + uint32_t _keepAlivePeriod; + + void _queueMessage(AsyncWebSocketMessage *dataMessage); + void _queueControl(AsyncWebSocketControl *controlMessage); + void _runQueue(); + + public: + void *_tempObject; + + AsyncWebSocketClient(AsyncWebServerRequest *request, AsyncWebSocket *server); + ~AsyncWebSocketClient(); + + //client id increments for the given server + uint32_t id(){ return _clientId; } + AwsClientStatus status(){ return _status; } + AsyncClient* client(){ return _client; } + AsyncWebSocket *server(){ return _server; } + AwsFrameInfo const &pinfo() const { return _pinfo; } + + IPAddress remoteIP(); + uint16_t remotePort(); + + //control frames + void close(uint16_t code=0, const char * message=NULL); + void ping(uint8_t *data=NULL, size_t len=0); + + //set auto-ping period in seconds. disabled if zero (default) + void keepAlivePeriod(uint16_t seconds){ + _keepAlivePeriod = seconds * 1000; + } + uint16_t keepAlivePeriod(){ + return (uint16_t)(_keepAlivePeriod / 1000); + } + + //data packets + void message(AsyncWebSocketMessage *message){ _queueMessage(message); } + bool queueIsFull(); + + size_t printf(const char *format, ...) __attribute__ ((format (printf, 2, 3))); +#ifndef ESP32 + size_t printf_P(PGM_P formatP, ...) __attribute__ ((format (printf, 2, 3))); +#endif + void text(const char * message, size_t len); + void text(const char * message); + void text(uint8_t * message, size_t len); + void text(char * message); + void text(const String &message); + void text(const __FlashStringHelper *data); + void text(AsyncWebSocketMessageBuffer *buffer); + + void binary(const char * message, size_t len); + void binary(const char * message); + void binary(uint8_t * message, size_t len); + void binary(char * message); + void binary(const String &message); + void binary(const __FlashStringHelper *data, size_t len); + void binary(AsyncWebSocketMessageBuffer *buffer); + + bool canSend() { return _messageQueue.length() < WS_MAX_QUEUED_MESSAGES; } + + //system callbacks (do not call) + void _onAck(size_t len, uint32_t time); + void _onError(int8_t); + void _onPoll(); + void _onTimeout(uint32_t time); + void _onDisconnect(); + void _onData(void *pbuf, size_t plen); +}; + +typedef std::function AwsEventHandler; + +//WebServer Handler implementation that plays the role of a socket server +class AsyncWebSocket: public AsyncWebHandler { + public: + typedef LinkedList AsyncWebSocketClientLinkedList; + private: + String _url; + AsyncWebSocketClientLinkedList _clients; + uint32_t _cNextId; + AwsEventHandler _eventHandler; + bool _enabled; + AsyncWebLock _lock; + + public: + AsyncWebSocket(const String& url); + ~AsyncWebSocket(); + const char * url() const { return _url.c_str(); } + void enable(bool e){ _enabled = e; } + bool enabled() const { return _enabled; } + bool availableForWriteAll(); + bool availableForWrite(uint32_t id); + + size_t count() const; + AsyncWebSocketClient * client(uint32_t id); + bool hasClient(uint32_t id){ return client(id) != NULL; } + + void close(uint32_t id, uint16_t code=0, const char * message=NULL); + void closeAll(uint16_t code=0, const char * message=NULL); + void cleanupClients(uint16_t maxClients = DEFAULT_MAX_WS_CLIENTS); + + void ping(uint32_t id, uint8_t *data=NULL, size_t len=0); + void pingAll(uint8_t *data=NULL, size_t len=0); // done + + void text(uint32_t id, const char * message, size_t len); + void text(uint32_t id, const char * message); + void text(uint32_t id, uint8_t * message, size_t len); + void text(uint32_t id, char * message); + void text(uint32_t id, const String &message); + void text(uint32_t id, const __FlashStringHelper *message); + + void textAll(const char * message, size_t len); + void textAll(const char * message); + void textAll(uint8_t * message, size_t len); + void textAll(char * message); + void textAll(const String &message); + void textAll(const __FlashStringHelper *message); // need to convert + void textAll(AsyncWebSocketMessageBuffer * buffer); + + void binary(uint32_t id, const char * message, size_t len); + void binary(uint32_t id, const char * message); + void binary(uint32_t id, uint8_t * message, size_t len); + void binary(uint32_t id, char * message); + void binary(uint32_t id, const String &message); + void binary(uint32_t id, const __FlashStringHelper *message, size_t len); + + void binaryAll(const char * message, size_t len); + void binaryAll(const char * message); + void binaryAll(uint8_t * message, size_t len); + void binaryAll(char * message); + void binaryAll(const String &message); + void binaryAll(const __FlashStringHelper *message, size_t len); + void binaryAll(AsyncWebSocketMessageBuffer * buffer); + + void message(uint32_t id, AsyncWebSocketMessage *message); + void messageAll(AsyncWebSocketMultiMessage *message); + + size_t printf(uint32_t id, const char *format, ...) __attribute__ ((format (printf, 3, 4))); + size_t printfAll(const char *format, ...) __attribute__ ((format (printf, 2, 3))); +#ifndef ESP32 + size_t printf_P(uint32_t id, PGM_P formatP, ...) __attribute__ ((format (printf, 3, 4))); +#endif + size_t printfAll_P(PGM_P formatP, ...) __attribute__ ((format (printf, 2, 3))); + + //event listener + void onEvent(AwsEventHandler handler){ + _eventHandler = handler; + } + + //system callbacks (do not call) + uint32_t _getNextId(){ return _cNextId++; } + void _addClient(AsyncWebSocketClient * client); + void _handleDisconnect(AsyncWebSocketClient * client); + void _handleEvent(AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len); + virtual bool canHandle(AsyncWebServerRequest *request) override final; + virtual void handleRequest(AsyncWebServerRequest *request) override final; + + + // messagebuffer functions/objects. + AsyncWebSocketMessageBuffer * makeBuffer(size_t size = 0); + AsyncWebSocketMessageBuffer * makeBuffer(uint8_t * data, size_t size); + LinkedList _buffers; + void _cleanBuffers(); + + AsyncWebSocketClientLinkedList getClients() const; +}; + +//WebServer response to authenticate the socket and detach the tcp client from the web server request +class AsyncWebSocketResponse: public AsyncWebServerResponse { + private: + String _content; + AsyncWebSocket *_server; + public: + AsyncWebSocketResponse(const String& key, AsyncWebSocket *server); + void _respond(AsyncWebServerRequest *request); + size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time); + bool _sourceValid() const { return true; } +}; + + +#endif /* ASYNCWEBSOCKET_H_ */ diff --git a/Lib_backup/AsyncWebSynchronization.h b/Lib_backup/AsyncWebSynchronization.h new file mode 100644 index 0000000..f36c52d --- /dev/null +++ b/Lib_backup/AsyncWebSynchronization.h @@ -0,0 +1,87 @@ +#ifndef ASYNCWEBSYNCHRONIZATION_H_ +#define ASYNCWEBSYNCHRONIZATION_H_ + +// Synchronisation is only available on ESP32, as the ESP8266 isn't using FreeRTOS by default + +#include + +#ifdef ESP32 + +// This is the ESP32 version of the Sync Lock, using the FreeRTOS Semaphore +class AsyncWebLock +{ +private: + SemaphoreHandle_t _lock; + mutable void *_lockedBy; + +public: + AsyncWebLock() { + _lock = xSemaphoreCreateBinary(); + _lockedBy = NULL; + xSemaphoreGive(_lock); + } + + ~AsyncWebLock() { + vSemaphoreDelete(_lock); + } + + bool lock() const { + extern void *pxCurrentTCB; + if (_lockedBy != pxCurrentTCB) { + xSemaphoreTake(_lock, portMAX_DELAY); + _lockedBy = pxCurrentTCB; + return true; + } + return false; + } + + void unlock() const { + _lockedBy = NULL; + xSemaphoreGive(_lock); + } +}; + +#else + +// This is the 8266 version of the Sync Lock which is currently unimplemented +class AsyncWebLock +{ + +public: + AsyncWebLock() { + } + + ~AsyncWebLock() { + } + + bool lock() const { + return false; + } + + void unlock() const { + } +}; +#endif + +class AsyncWebLockGuard +{ +private: + const AsyncWebLock *_lock; + +public: + AsyncWebLockGuard(const AsyncWebLock &l) { + if (l.lock()) { + _lock = &l; + } else { + _lock = NULL; + } + } + + ~AsyncWebLockGuard() { + if (_lock) { + _lock->unlock(); + } + } +}; + +#endif // ASYNCWEBSYNCHRONIZATION_H_ \ No newline at end of file diff --git a/Lib_backup/ESPAsyncWebServer.h b/Lib_backup/ESPAsyncWebServer.h new file mode 100644 index 0000000..7cd21aa --- /dev/null +++ b/Lib_backup/ESPAsyncWebServer.h @@ -0,0 +1,471 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef _ESPAsyncWebServer_H_ +#define _ESPAsyncWebServer_H_ + +#include "Arduino.h" + +#include +#include "FS.h" + +#include "StringArray.h" + +#ifdef ESP32 +#include +#include +#elif defined(ESP8266) +#include +#include +#else +#error Platform not supported +#endif + +#ifdef ASYNCWEBSERVER_REGEX +#define ASYNCWEBSERVER_REGEX_ATTRIBUTE +#else +#define ASYNCWEBSERVER_REGEX_ATTRIBUTE __attribute__((warning("ASYNCWEBSERVER_REGEX not defined"))) +#endif + +#define DEBUGF(...) //Serial.printf(__VA_ARGS__) + +class AsyncWebServer; +class AsyncWebServerRequest; +class AsyncWebServerResponse; +class AsyncWebHeader; +class AsyncWebParameter; +class AsyncWebRewrite; +class AsyncWebHandler; +class AsyncStaticWebHandler; +class AsyncCallbackWebHandler; +class AsyncResponseStream; + +#ifndef WEBSERVER_H +typedef enum { + HTTP_GET = 0b00000001, + HTTP_POST = 0b00000010, + HTTP_DELETE = 0b00000100, + HTTP_PUT = 0b00001000, + HTTP_PATCH = 0b00010000, + HTTP_HEAD = 0b00100000, + HTTP_OPTIONS = 0b01000000, + HTTP_ANY = 0b01111111, +} WebRequestMethod; +#endif + +//if this value is returned when asked for data, packet will not be sent and you will be asked for data again +#define RESPONSE_TRY_AGAIN 0xFFFFFFFF + +typedef uint8_t WebRequestMethodComposite; +typedef std::function ArDisconnectHandler; + +/* + * PARAMETER :: Chainable object to hold GET/POST and FILE parameters + * */ + +class AsyncWebParameter { + private: + String _name; + String _value; + size_t _size; + bool _isForm; + bool _isFile; + + public: + + AsyncWebParameter(const String& name, const String& value, bool form=false, bool file=false, size_t size=0): _name(name), _value(value), _size(size), _isForm(form), _isFile(file){} + const String& name() const { return _name; } + const String& value() const { return _value; } + size_t size() const { return _size; } + bool isPost() const { return _isForm; } + bool isFile() const { return _isFile; } +}; + +/* + * HEADER :: Chainable object to hold the headers + * */ + +class AsyncWebHeader { + private: + String _name; + String _value; + + public: + AsyncWebHeader(const String& name, const String& value): _name(name), _value(value){} + AsyncWebHeader(const String& data): _name(), _value(){ + if(!data) return; + int index = data.indexOf(':'); + if (index < 0) return; + _name = data.substring(0, index); + _value = data.substring(index + 2); + } + ~AsyncWebHeader(){} + const String& name() const { return _name; } + const String& value() const { return _value; } + String toString() const { return String(_name+": "+_value+"\r\n"); } +}; + +/* + * REQUEST :: Each incoming Client is wrapped inside a Request and both live together until disconnect + * */ + +typedef enum { RCT_NOT_USED = -1, RCT_DEFAULT = 0, RCT_HTTP, RCT_WS, RCT_EVENT, RCT_MAX } RequestedConnectionType; + +typedef std::function AwsResponseFiller; +typedef std::function AwsTemplateProcessor; + +class AsyncWebServerRequest { + using File = fs::File; + using FS = fs::FS; + friend class AsyncWebServer; + friend class AsyncCallbackWebHandler; + private: + AsyncClient* _client; + AsyncWebServer* _server; + AsyncWebHandler* _handler; + AsyncWebServerResponse* _response; + StringArray _interestingHeaders; + ArDisconnectHandler _onDisconnectfn; + + String _temp; + uint8_t _parseState; + + uint8_t _version; + WebRequestMethodComposite _method; + String _url; + String _host; + String _contentType; + String _boundary; + String _authorization; + RequestedConnectionType _reqconntype; + void _removeNotInterestingHeaders(); + bool _isDigest; + bool _isMultipart; + bool _isPlainPost; + bool _expectingContinue; + size_t _contentLength; + size_t _parsedLength; + + LinkedList _headers; + LinkedList _params; + LinkedList _pathParams; + + uint8_t _multiParseState; + uint8_t _boundaryPosition; + size_t _itemStartIndex; + size_t _itemSize; + String _itemName; + String _itemFilename; + String _itemType; + String _itemValue; + uint8_t *_itemBuffer; + size_t _itemBufferIndex; + bool _itemIsFile; + + void _onPoll(); + void _onAck(size_t len, uint32_t time); + void _onError(int8_t error); + void _onTimeout(uint32_t time); + void _onDisconnect(); + void _onData(void *buf, size_t len); + + void _addParam(AsyncWebParameter*); + void _addPathParam(const char *param); + + bool _parseReqHead(); + bool _parseReqHeader(); + void _parseLine(); + void _parsePlainPostChar(uint8_t data); + void _parseMultipartPostByte(uint8_t data, bool last); + void _addGetParams(const String& params); + + void _handleUploadStart(); + void _handleUploadByte(uint8_t data, bool last); + void _handleUploadEnd(); + + public: + File _tempFile; + void *_tempObject; + + AsyncWebServerRequest(AsyncWebServer*, AsyncClient*); + ~AsyncWebServerRequest(); + + AsyncClient* client(){ return _client; } + uint8_t version() const { return _version; } + WebRequestMethodComposite method() const { return _method; } + const String& url() const { return _url; } + const String& host() const { return _host; } + const String& contentType() const { return _contentType; } + size_t contentLength() const { return _contentLength; } + bool multipart() const { return _isMultipart; } + const char * methodToString() const; + const char * requestedConnTypeToString() const; + RequestedConnectionType requestedConnType() const { return _reqconntype; } + bool isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2 = RCT_NOT_USED, RequestedConnectionType erct3 = RCT_NOT_USED); + void onDisconnect (ArDisconnectHandler fn); + + //hash is the string representation of: + // base64(user:pass) for basic or + // user:realm:md5(user:realm:pass) for digest + bool authenticate(const char * hash); + bool authenticate(const char * username, const char * password, const char * realm = NULL, bool passwordIsHash = false); + void requestAuthentication(const char * realm = NULL, bool isDigest = true); + + void setHandler(AsyncWebHandler *handler){ _handler = handler; } + void addInterestingHeader(const String& name); + + void redirect(const String& url); + + void send(AsyncWebServerResponse *response); + void send(int code, const String& contentType=String(), const String& content=String()); + void send(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr); + void send(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr); + void send(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr); + void send(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr); + void sendChunked(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr); + void send_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr); + void send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr); + + AsyncWebServerResponse *beginResponse(int code, const String& contentType=String(), const String& content=String()); + AsyncWebServerResponse *beginResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr); + AsyncWebServerResponse *beginResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr); + AsyncWebServerResponse *beginResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr); + AsyncWebServerResponse *beginResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr); + AsyncWebServerResponse *beginChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr); + AsyncResponseStream *beginResponseStream(const String& contentType, size_t bufferSize=1460); + AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr); + AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr); + + size_t headers() const; // get header count + bool hasHeader(const String& name) const; // check if header exists + bool hasHeader(const __FlashStringHelper * data) const; // check if header exists + + AsyncWebHeader* getHeader(const String& name) const; + AsyncWebHeader* getHeader(const __FlashStringHelper * data) const; + AsyncWebHeader* getHeader(size_t num) const; + + size_t params() const; // get arguments count + bool hasParam(const String& name, bool post=false, bool file=false) const; + bool hasParam(const __FlashStringHelper * data, bool post=false, bool file=false) const; + + AsyncWebParameter* getParam(const String& name, bool post=false, bool file=false) const; + AsyncWebParameter* getParam(const __FlashStringHelper * data, bool post, bool file) const; + AsyncWebParameter* getParam(size_t num) const; + + size_t args() const { return params(); } // get arguments count + const String& arg(const String& name) const; // get request argument value by name + const String& arg(const __FlashStringHelper * data) const; // get request argument value by F(name) + const String& arg(size_t i) const; // get request argument value by number + const String& argName(size_t i) const; // get request argument name by number + bool hasArg(const char* name) const; // check if argument exists + bool hasArg(const __FlashStringHelper * data) const; // check if F(argument) exists + + const String& ASYNCWEBSERVER_REGEX_ATTRIBUTE pathArg(size_t i) const; + + const String& header(const char* name) const;// get request header value by name + const String& header(const __FlashStringHelper * data) const;// get request header value by F(name) + const String& header(size_t i) const; // get request header value by number + const String& headerName(size_t i) const; // get request header name by number + String urlDecode(const String& text) const; +}; + +/* + * FILTER :: Callback to filter AsyncWebRewrite and AsyncWebHandler (done by the Server) + * */ + +typedef std::function ArRequestFilterFunction; + +bool ON_STA_FILTER(AsyncWebServerRequest *request); + +bool ON_AP_FILTER(AsyncWebServerRequest *request); + +/* + * REWRITE :: One instance can be handle any Request (done by the Server) + * */ + +class AsyncWebRewrite { + protected: + String _from; + String _toUrl; + String _params; + ArRequestFilterFunction _filter; + public: + AsyncWebRewrite(const char* from, const char* to): _from(from), _toUrl(to), _params(String()), _filter(NULL){ + int index = _toUrl.indexOf('?'); + if (index > 0) { + _params = _toUrl.substring(index +1); + _toUrl = _toUrl.substring(0, index); + } + } + virtual ~AsyncWebRewrite(){} + AsyncWebRewrite& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; } + bool filter(AsyncWebServerRequest *request) const { return _filter == NULL || _filter(request); } + const String& from(void) const { return _from; } + const String& toUrl(void) const { return _toUrl; } + const String& params(void) const { return _params; } + virtual bool match(AsyncWebServerRequest *request) { return from() == request->url() && filter(request); } +}; + +/* + * HANDLER :: One instance can be attached to any Request (done by the Server) + * */ + +class AsyncWebHandler { + protected: + ArRequestFilterFunction _filter; + String _username; + String _password; + public: + AsyncWebHandler():_username(""), _password(""){} + AsyncWebHandler& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; } + AsyncWebHandler& setAuthentication(const char *username, const char *password){ _username = String(username);_password = String(password); return *this; }; + bool filter(AsyncWebServerRequest *request){ return _filter == NULL || _filter(request); } + virtual ~AsyncWebHandler(){} + virtual bool canHandle(AsyncWebServerRequest *request __attribute__((unused))){ + return false; + } + virtual void handleRequest(AsyncWebServerRequest *request __attribute__((unused))){} + virtual void handleUpload(AsyncWebServerRequest *request __attribute__((unused)), const String& filename __attribute__((unused)), size_t index __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), bool final __attribute__((unused))){} + virtual void handleBody(AsyncWebServerRequest *request __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), size_t index __attribute__((unused)), size_t total __attribute__((unused))){} + virtual bool isRequestHandlerTrivial(){return true;} +}; + +/* + * RESPONSE :: One instance is created for each Request (attached by the Handler) + * */ + +typedef enum { + RESPONSE_SETUP, RESPONSE_HEADERS, RESPONSE_CONTENT, RESPONSE_WAIT_ACK, RESPONSE_END, RESPONSE_FAILED +} WebResponseState; + +class AsyncWebServerResponse { + protected: + int _code; + LinkedList _headers; + String _contentType; + size_t _contentLength; + bool _sendContentLength; + bool _chunked; + size_t _headLength; + size_t _sentLength; + size_t _ackedLength; + size_t _writtenLength; + WebResponseState _state; + const char* _responseCodeToString(int code); + + public: + AsyncWebServerResponse(); + virtual ~AsyncWebServerResponse(); + virtual void setCode(int code); + virtual void setContentLength(size_t len); + virtual void setContentType(const String& type); + virtual void addHeader(const String& name, const String& value); + virtual String _assembleHead(uint8_t version); + virtual bool _started() const; + virtual bool _finished() const; + virtual bool _failed() const; + virtual bool _sourceValid() const; + virtual void _respond(AsyncWebServerRequest *request); + virtual size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time); +}; + +/* + * SERVER :: One instance + * */ + +typedef std::function ArRequestHandlerFunction; +typedef std::function ArUploadHandlerFunction; +typedef std::function ArBodyHandlerFunction; + +class AsyncWebServer { + protected: + AsyncServer _server; + LinkedList _rewrites; + LinkedList _handlers; + AsyncCallbackWebHandler* _catchAllHandler; + + public: + AsyncWebServer(uint16_t port); + ~AsyncWebServer(); + + void begin(); + void end(); + +#if ASYNC_TCP_SSL_ENABLED + void onSslFileRequest(AcSSlFileHandler cb, void* arg); + void beginSecure(const char *cert, const char *private_key_file, const char *password); +#endif + + AsyncWebRewrite& addRewrite(AsyncWebRewrite* rewrite); + bool removeRewrite(AsyncWebRewrite* rewrite); + AsyncWebRewrite& rewrite(const char* from, const char* to); + + AsyncWebHandler& addHandler(AsyncWebHandler* handler); + bool removeHandler(AsyncWebHandler* handler); + + AsyncCallbackWebHandler& on(const char* uri, ArRequestHandlerFunction onRequest); + AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest); + AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload); + AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody); + + AsyncStaticWebHandler& serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control = NULL); + + void onNotFound(ArRequestHandlerFunction fn); //called when handler is not assigned + void onFileUpload(ArUploadHandlerFunction fn); //handle file uploads + void onRequestBody(ArBodyHandlerFunction fn); //handle posts with plain body content (JSON often transmitted this way as a request) + + void reset(); //remove all writers and handlers, with onNotFound/onFileUpload/onRequestBody + + void _handleDisconnect(AsyncWebServerRequest *request); + void _attachHandler(AsyncWebServerRequest *request); + void _rewriteRequest(AsyncWebServerRequest *request); +}; + +class DefaultHeaders { + using headers_t = LinkedList; + headers_t _headers; + + DefaultHeaders() + :_headers(headers_t([](AsyncWebHeader *h){ delete h; })) + {} +public: + using ConstIterator = headers_t::ConstIterator; + + void addHeader(const String& name, const String& value){ + _headers.add(new AsyncWebHeader(name, value)); + } + + ConstIterator begin() const { return _headers.begin(); } + ConstIterator end() const { return _headers.end(); } + + DefaultHeaders(DefaultHeaders const &) = delete; + DefaultHeaders &operator=(DefaultHeaders const &) = delete; + static DefaultHeaders &Instance() { + static DefaultHeaders instance; + return instance; + } +}; + +#include "WebResponseImpl.h" +#include "WebHandlerImpl.h" +#include "AsyncWebSocket.h" +#include "AsyncEventSource.h" + +#endif /* _AsyncWebServer_H_ */ diff --git a/Lib_backup/StringArray.h b/Lib_backup/StringArray.h new file mode 100644 index 0000000..4c0aa70 --- /dev/null +++ b/Lib_backup/StringArray.h @@ -0,0 +1,193 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef STRINGARRAY_H_ +#define STRINGARRAY_H_ + +#include "stddef.h" +#include "WString.h" + +template +class LinkedListNode { + T _value; + public: + LinkedListNode* next; + LinkedListNode(const T val): _value(val), next(nullptr) {} + ~LinkedListNode(){} + const T& value() const { return _value; }; + T& value(){ return _value; } +}; + +template class Item = LinkedListNode> +class LinkedList { + public: + typedef Item ItemType; + typedef std::function OnRemove; + typedef std::function Predicate; + private: + ItemType* _root; + OnRemove _onRemove; + + class Iterator { + ItemType* _node; + public: + Iterator(ItemType* current = nullptr) : _node(current) {} + Iterator(const Iterator& i) : _node(i._node) {} + Iterator& operator ++() { _node = _node->next; return *this; } + bool operator != (const Iterator& i) const { return _node != i._node; } + const T& operator * () const { return _node->value(); } + const T* operator -> () const { return &_node->value(); } + }; + + public: + typedef const Iterator ConstIterator; + ConstIterator begin() const { return ConstIterator(_root); } + ConstIterator end() const { return ConstIterator(nullptr); } + + LinkedList(OnRemove onRemove) : _root(nullptr), _onRemove(onRemove) {} + ~LinkedList(){} + void add(const T& t){ + auto it = new ItemType(t); + if(!_root){ + _root = it; + } else { + auto i = _root; + while(i->next) i = i->next; + i->next = it; + } + } + T& front() const { + return _root->value(); + } + + bool isEmpty() const { + return _root == nullptr; + } + size_t length() const { + size_t i = 0; + auto it = _root; + while(it){ + i++; + it = it->next; + } + return i; + } + size_t count_if(Predicate predicate) const { + size_t i = 0; + auto it = _root; + while(it){ + if (!predicate){ + i++; + } + else if (predicate(it->value())) { + i++; + } + it = it->next; + } + return i; + } + const T* nth(size_t N) const { + size_t i = 0; + auto it = _root; + while(it){ + if(i++ == N) + return &(it->value()); + it = it->next; + } + return nullptr; + } + bool remove(const T& t){ + auto it = _root; + auto pit = _root; + while(it){ + if(it->value() == t){ + if(it == _root){ + _root = _root->next; + } else { + pit->next = it->next; + } + + if (_onRemove) { + _onRemove(it->value()); + } + + delete it; + return true; + } + pit = it; + it = it->next; + } + return false; + } + bool remove_first(Predicate predicate){ + auto it = _root; + auto pit = _root; + while(it){ + if(predicate(it->value())){ + if(it == _root){ + _root = _root->next; + } else { + pit->next = it->next; + } + if (_onRemove) { + _onRemove(it->value()); + } + delete it; + return true; + } + pit = it; + it = it->next; + } + return false; + } + + void free(){ + while(_root != nullptr){ + auto it = _root; + _root = _root->next; + if (_onRemove) { + _onRemove(it->value()); + } + delete it; + } + _root = nullptr; + } +}; + + +class StringArray : public LinkedList { +public: + + StringArray() : LinkedList(nullptr) {} + + bool containsIgnoreCase(const String& str){ + for (const auto& s : *this) { + if (str.equalsIgnoreCase(s)) { + return true; + } + } + return false; + } +}; + + + + +#endif /* STRINGARRAY_H_ */ diff --git a/Lib_backup/WebAuthentication.cpp b/Lib_backup/WebAuthentication.cpp new file mode 100644 index 0000000..45246a1 --- /dev/null +++ b/Lib_backup/WebAuthentication.cpp @@ -0,0 +1,235 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "WebAuthentication.h" +#include +#ifdef ESP32 +#include "mbedtls/md5.h" +#else +#include "md5.h" +#endif + + +// Basic Auth hash = base64("username:password") + +bool checkBasicAuthentication(const char * hash, const char * username, const char * password){ + if(username == NULL || password == NULL || hash == NULL) + return false; + + size_t toencodeLen = strlen(username)+strlen(password)+1; + size_t encodedLen = base64_encode_expected_len(toencodeLen); + if(strlen(hash) != encodedLen) + return false; + + char *toencode = new char[toencodeLen+1]; + if(toencode == NULL){ + return false; + } + char *encoded = new char[base64_encode_expected_len(toencodeLen)+1]; + if(encoded == NULL){ + delete[] toencode; + return false; + } + sprintf(toencode, "%s:%s", username, password); + if(base64_encode_chars(toencode, toencodeLen, encoded) > 0 && memcmp(hash, encoded, encodedLen) == 0){ + delete[] toencode; + delete[] encoded; + return true; + } + delete[] toencode; + delete[] encoded; + return false; +} + +static bool getMD5(uint8_t * data, uint16_t len, char * output){//33 bytes or more +#ifdef ESP32 + mbedtls_md5_context _ctx; +#else + md5_context_t _ctx; +#endif + uint8_t i; + uint8_t * _buf = (uint8_t*)malloc(16); + if(_buf == NULL) + return false; + memset(_buf, 0x00, 16); +#ifdef ESP32 + mbedtls_md5_init(&_ctx); + mbedtls_md5_starts_ret(&_ctx); + mbedtls_md5_update_ret(&_ctx, data, len); + mbedtls_md5_finish_ret(&_ctx, _buf); +#else + MD5Init(&_ctx); + MD5Update(&_ctx, data, len); + MD5Final(_buf, &_ctx); +#endif + for(i = 0; i < 16; i++) { + sprintf(output + (i * 2), "%02x", _buf[i]); + } + free(_buf); + return true; +} + +static String genRandomMD5(){ +#ifdef ESP8266 + uint32_t r = RANDOM_REG32; +#else + uint32_t r = rand(); +#endif + char * out = (char*)malloc(33); + if(out == NULL || !getMD5((uint8_t*)(&r), 4, out)) + return ""; + String res = String(out); + free(out); + return res; +} + +static String stringMD5(const String& in){ + char * out = (char*)malloc(33); + if(out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out)) + return ""; + String res = String(out); + free(out); + return res; +} + +String generateDigestHash(const char * username, const char * password, const char * realm){ + if(username == NULL || password == NULL || realm == NULL){ + return ""; + } + char * out = (char*)malloc(33); + String res = String(username); + res.concat(":"); + res.concat(realm); + res.concat(":"); + String in = res; + in.concat(password); + if(out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out)) + return ""; + res.concat(out); + free(out); + return res; +} + +String requestDigestAuthentication(const char * realm){ + String header = "realm=\""; + if(realm == NULL) + header.concat("asyncesp"); + else + header.concat(realm); + header.concat( "\", qop=\"auth\", nonce=\""); + header.concat(genRandomMD5()); + header.concat("\", opaque=\""); + header.concat(genRandomMD5()); + header.concat("\""); + return header; +} + +bool checkDigestAuthentication(const char * header, const char * method, const char * username, const char * password, const char * realm, bool passwordIsHash, const char * nonce, const char * opaque, const char * uri){ + if(username == NULL || password == NULL || header == NULL || method == NULL){ + //os_printf("AUTH FAIL: missing requred fields\n"); + return false; + } + + String myHeader = String(header); + int nextBreak = myHeader.indexOf(","); + if(nextBreak < 0){ + //os_printf("AUTH FAIL: no variables\n"); + return false; + } + + String myUsername = String(); + String myRealm = String(); + String myNonce = String(); + String myUri = String(); + String myResponse = String(); + String myQop = String(); + String myNc = String(); + String myCnonce = String(); + + myHeader += ", "; + do { + String avLine = myHeader.substring(0, nextBreak); + avLine.trim(); + myHeader = myHeader.substring(nextBreak+1); + nextBreak = myHeader.indexOf(","); + + int eqSign = avLine.indexOf("="); + if(eqSign < 0){ + //os_printf("AUTH FAIL: no = sign\n"); + return false; + } + String varName = avLine.substring(0, eqSign); + avLine = avLine.substring(eqSign + 1); + if(avLine.startsWith("\"")){ + avLine = avLine.substring(1, avLine.length() - 1); + } + + if(varName.equals("username")){ + if(!avLine.equals(username)){ + //os_printf("AUTH FAIL: username\n"); + return false; + } + myUsername = avLine; + } else if(varName.equals("realm")){ + if(realm != NULL && !avLine.equals(realm)){ + //os_printf("AUTH FAIL: realm\n"); + return false; + } + myRealm = avLine; + } else if(varName.equals("nonce")){ + if(nonce != NULL && !avLine.equals(nonce)){ + //os_printf("AUTH FAIL: nonce\n"); + return false; + } + myNonce = avLine; + } else if(varName.equals("opaque")){ + if(opaque != NULL && !avLine.equals(opaque)){ + //os_printf("AUTH FAIL: opaque\n"); + return false; + } + } else if(varName.equals("uri")){ + if(uri != NULL && !avLine.equals(uri)){ + //os_printf("AUTH FAIL: uri\n"); + return false; + } + myUri = avLine; + } else if(varName.equals("response")){ + myResponse = avLine; + } else if(varName.equals("qop")){ + myQop = avLine; + } else if(varName.equals("nc")){ + myNc = avLine; + } else if(varName.equals("cnonce")){ + myCnonce = avLine; + } + } while(nextBreak > 0); + + String ha1 = (passwordIsHash) ? String(password) : stringMD5(myUsername + ":" + myRealm + ":" + String(password)); + String ha2 = String(method) + ":" + myUri; + String response = ha1 + ":" + myNonce + ":" + myNc + ":" + myCnonce + ":" + myQop + ":" + stringMD5(ha2); + + if(myResponse.equals(stringMD5(response))){ + //os_printf("AUTH SUCCESS\n"); + return true; + } + + //os_printf("AUTH FAIL: password\n"); + return false; +} diff --git a/Lib_backup/WebAuthentication.h b/Lib_backup/WebAuthentication.h new file mode 100644 index 0000000..ff68265 --- /dev/null +++ b/Lib_backup/WebAuthentication.h @@ -0,0 +1,34 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef WEB_AUTHENTICATION_H_ +#define WEB_AUTHENTICATION_H_ + +#include "Arduino.h" + +bool checkBasicAuthentication(const char * header, const char * username, const char * password); +String requestDigestAuthentication(const char * realm); +bool checkDigestAuthentication(const char * header, const char * method, const char * username, const char * password, const char * realm, bool passwordIsHash, const char * nonce, const char * opaque, const char * uri); + +//for storing hashed versions on the device that can be authenticated against +String generateDigestHash(const char * username, const char * password, const char * realm); + +#endif diff --git a/Lib_backup/WebHandlerImpl.h b/Lib_backup/WebHandlerImpl.h new file mode 100644 index 0000000..9b7ba1b --- /dev/null +++ b/Lib_backup/WebHandlerImpl.h @@ -0,0 +1,151 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef ASYNCWEBSERVERHANDLERIMPL_H_ +#define ASYNCWEBSERVERHANDLERIMPL_H_ + +#include +#ifdef ASYNCWEBSERVER_REGEX +#include +#endif + +#include "stddef.h" +#include + +class AsyncStaticWebHandler: public AsyncWebHandler { + using File = fs::File; + using FS = fs::FS; + private: + bool _getFile(AsyncWebServerRequest *request); + bool _fileExists(AsyncWebServerRequest *request, const String& path); + uint8_t _countBits(const uint8_t value) const; + protected: + FS _fs; + String _uri; + String _path; + String _default_file; + String _cache_control; + String _last_modified; + AwsTemplateProcessor _callback; + bool _isDir; + bool _gzipFirst; + uint8_t _gzipStats; + public: + AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control); + virtual bool canHandle(AsyncWebServerRequest *request) override final; + virtual void handleRequest(AsyncWebServerRequest *request) override final; + AsyncStaticWebHandler& setIsDir(bool isDir); + AsyncStaticWebHandler& setDefaultFile(const char* filename); + AsyncStaticWebHandler& setCacheControl(const char* cache_control); + AsyncStaticWebHandler& setLastModified(const char* last_modified); + AsyncStaticWebHandler& setLastModified(struct tm* last_modified); + #ifdef ESP8266 + AsyncStaticWebHandler& setLastModified(time_t last_modified); + AsyncStaticWebHandler& setLastModified(); //sets to current time. Make sure sntp is runing and time is updated + #endif + AsyncStaticWebHandler& setTemplateProcessor(AwsTemplateProcessor newCallback) {_callback = newCallback; return *this;} +}; + +class AsyncCallbackWebHandler: public AsyncWebHandler { + private: + protected: + String _uri; + WebRequestMethodComposite _method; + ArRequestHandlerFunction _onRequest; + ArUploadHandlerFunction _onUpload; + ArBodyHandlerFunction _onBody; + bool _isRegex; + public: + AsyncCallbackWebHandler() : _uri(), _method(HTTP_ANY), _onRequest(NULL), _onUpload(NULL), _onBody(NULL), _isRegex(false) {} + void setUri(const String& uri){ + _uri = uri; + _isRegex = uri.startsWith("^") && uri.endsWith("$"); + } + void setMethod(WebRequestMethodComposite method){ _method = method; } + void onRequest(ArRequestHandlerFunction fn){ _onRequest = fn; } + void onUpload(ArUploadHandlerFunction fn){ _onUpload = fn; } + void onBody(ArBodyHandlerFunction fn){ _onBody = fn; } + + virtual bool canHandle(AsyncWebServerRequest *request) override final{ + + if(!_onRequest) + return false; + + if(!(_method & request->method())) + return false; + +#ifdef ASYNCWEBSERVER_REGEX + if (_isRegex) { + std::regex pattern(_uri.c_str()); + std::smatch matches; + std::string s(request->url().c_str()); + if(std::regex_search(s, matches, pattern)) { + for (size_t i = 1; i < matches.size(); ++i) { // start from 1 + request->_addPathParam(matches[i].str().c_str()); + } + } else { + return false; + } + } else +#endif + if (_uri.length() && _uri.startsWith("/*.")) { + String uriTemplate = String (_uri); + uriTemplate = uriTemplate.substring(uriTemplate.lastIndexOf(".")); + if (!request->url().endsWith(uriTemplate)) + return false; + } + else + if (_uri.length() && _uri.endsWith("*")) { + String uriTemplate = String(_uri); + uriTemplate = uriTemplate.substring(0, uriTemplate.length() - 1); + if (!request->url().startsWith(uriTemplate)) + return false; + } + else if(_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri+"/"))) + return false; + + request->addInterestingHeader("ANY"); + return true; + } + + virtual void handleRequest(AsyncWebServerRequest *request) override final { + if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str())) + return request->requestAuthentication(); + if(_onRequest) + _onRequest(request); + else + request->send(500); + } + virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final { + if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str())) + return request->requestAuthentication(); + if(_onUpload) + _onUpload(request, filename, index, data, len, final); + } + virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override final { + if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str())) + return request->requestAuthentication(); + if(_onBody) + _onBody(request, data, len, index, total); + } + virtual bool isRequestHandlerTrivial() override final {return _onRequest ? false : true;} +}; + +#endif /* ASYNCWEBSERVERHANDLERIMPL_H_ */ diff --git a/Lib_backup/WebHandlers.cpp b/Lib_backup/WebHandlers.cpp new file mode 100644 index 0000000..1f435e6 --- /dev/null +++ b/Lib_backup/WebHandlers.cpp @@ -0,0 +1,220 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "ESPAsyncWebServer.h" +#include "WebHandlerImpl.h" + +AsyncStaticWebHandler::AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control) + : _fs(fs), _uri(uri), _path(path), _default_file("index.htm"), _cache_control(cache_control), _last_modified(""), _callback(nullptr) +{ + // Ensure leading '/' + if (_uri.length() == 0 || _uri[0] != '/') _uri = "/" + _uri; + if (_path.length() == 0 || _path[0] != '/') _path = "/" + _path; + + // If path ends with '/' we assume a hint that this is a directory to improve performance. + // However - if it does not end with '/' we, can't assume a file, path can still be a directory. + _isDir = _path[_path.length()-1] == '/'; + + // Remove the trailing '/' so we can handle default file + // Notice that root will be "" not "/" + if (_uri[_uri.length()-1] == '/') _uri = _uri.substring(0, _uri.length()-1); + if (_path[_path.length()-1] == '/') _path = _path.substring(0, _path.length()-1); + + // Reset stats + _gzipFirst = false; + _gzipStats = 0xF8; +} + +AsyncStaticWebHandler& AsyncStaticWebHandler::setIsDir(bool isDir){ + _isDir = isDir; + return *this; +} + +AsyncStaticWebHandler& AsyncStaticWebHandler::setDefaultFile(const char* filename){ + _default_file = String(filename); + return *this; +} + +AsyncStaticWebHandler& AsyncStaticWebHandler::setCacheControl(const char* cache_control){ + _cache_control = String(cache_control); + return *this; +} + +AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(const char* last_modified){ + _last_modified = String(last_modified); + return *this; +} + +AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(struct tm* last_modified){ + char result[30]; + strftime (result,30,"%a, %d %b %Y %H:%M:%S %Z", last_modified); + return setLastModified((const char *)result); +} + +#ifdef ESP8266 +AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(time_t last_modified){ + return setLastModified((struct tm *)gmtime(&last_modified)); +} + +AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(){ + time_t last_modified; + if(time(&last_modified) == 0) //time is not yet set + return *this; + return setLastModified(last_modified); +} +#endif +bool AsyncStaticWebHandler::canHandle(AsyncWebServerRequest *request){ + if(request->method() != HTTP_GET + || !request->url().startsWith(_uri) + || !request->isExpectedRequestedConnType(RCT_DEFAULT, RCT_HTTP) + ){ + return false; + } + if (_getFile(request)) { + // We interested in "If-Modified-Since" header to check if file was modified + if (_last_modified.length()) + request->addInterestingHeader("If-Modified-Since"); + + if(_cache_control.length()) + request->addInterestingHeader("If-None-Match"); + + DEBUGF("[AsyncStaticWebHandler::canHandle] TRUE\n"); + return true; + } + + return false; +} + +bool AsyncStaticWebHandler::_getFile(AsyncWebServerRequest *request) +{ + // Remove the found uri + String path = request->url().substring(_uri.length()); + + // We can skip the file check and look for default if request is to the root of a directory or that request path ends with '/' + bool canSkipFileCheck = (_isDir && path.length() == 0) || (path.length() && path[path.length()-1] == '/'); + + path = _path + path; + + // Do we have a file or .gz file + if (!canSkipFileCheck && _fileExists(request, path)) + return true; + + // Can't handle if not default file + if (_default_file.length() == 0) + return false; + + // Try to add default file, ensure there is a trailing '/' ot the path. + if (path.length() == 0 || path[path.length()-1] != '/') + path += "/"; + path += _default_file; + + return _fileExists(request, path); +} + +#ifdef ESP32 +#define FILE_IS_REAL(f) (f == true && !f.isDirectory()) +#else +#define FILE_IS_REAL(f) (f == true) +#endif + +bool AsyncStaticWebHandler::_fileExists(AsyncWebServerRequest *request, const String& path) +{ + bool fileFound = false; + bool gzipFound = false; + + String gzip = path + ".gz"; + + if (_gzipFirst) { + request->_tempFile = _fs.open(gzip, "r"); + gzipFound = FILE_IS_REAL(request->_tempFile); + if (!gzipFound){ + request->_tempFile = _fs.open(path, "r"); + fileFound = FILE_IS_REAL(request->_tempFile); + } + } else { + request->_tempFile = _fs.open(path, "r"); + fileFound = FILE_IS_REAL(request->_tempFile); + if (!fileFound){ + request->_tempFile = _fs.open(gzip, "r"); + gzipFound = FILE_IS_REAL(request->_tempFile); + } + } + + bool found = fileFound || gzipFound; + + if (found) { + // Extract the file name from the path and keep it in _tempObject + size_t pathLen = path.length(); + char * _tempPath = (char*)malloc(pathLen+1); + snprintf(_tempPath, pathLen+1, "%s", path.c_str()); + request->_tempObject = (void*)_tempPath; + + // Calculate gzip statistic + _gzipStats = (_gzipStats << 1) + (gzipFound ? 1 : 0); + if (_gzipStats == 0x00) _gzipFirst = false; // All files are not gzip + else if (_gzipStats == 0xFF) _gzipFirst = true; // All files are gzip + else _gzipFirst = _countBits(_gzipStats) > 4; // IF we have more gzip files - try gzip first + } + + return found; +} + +uint8_t AsyncStaticWebHandler::_countBits(const uint8_t value) const +{ + uint8_t w = value; + uint8_t n; + for (n=0; w!=0; n++) w&=w-1; + return n; +} + +void AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest *request) +{ + // Get the filename from request->_tempObject and free it + String filename = String((char*)request->_tempObject); + free(request->_tempObject); + request->_tempObject = NULL; + if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str())) + return request->requestAuthentication(); + + if (request->_tempFile == true) { + String etag = String(request->_tempFile.size()); + if (_last_modified.length() && _last_modified == request->header("If-Modified-Since")) { + request->_tempFile.close(); + request->send(304); // Not modified + } else if (_cache_control.length() && request->hasHeader("If-None-Match") && request->header("If-None-Match").equals(etag)) { + request->_tempFile.close(); + AsyncWebServerResponse * response = new AsyncBasicResponse(304); // Not modified + response->addHeader("Cache-Control", _cache_control); + response->addHeader("ETag", etag); + request->send(response); + } else { + AsyncWebServerResponse * response = new AsyncFileResponse(request->_tempFile, filename, String(), false, _callback); + if (_last_modified.length()) + response->addHeader("Last-Modified", _last_modified); + if (_cache_control.length()){ + response->addHeader("Cache-Control", _cache_control); + response->addHeader("ETag", etag); + } + request->send(response); + } + } else { + request->send(404); + } +} diff --git a/Lib_backup/WebRequest.cpp b/Lib_backup/WebRequest.cpp new file mode 100644 index 0000000..bbce5ca --- /dev/null +++ b/Lib_backup/WebRequest.cpp @@ -0,0 +1,1008 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "ESPAsyncWebServer.h" +#include "WebResponseImpl.h" +#include "WebAuthentication.h" + +#ifndef ESP8266 +#define os_strlen strlen +#endif + +static const String SharedEmptyString = String(); + +#define __is_param_char(c) ((c) && ((c) != '{') && ((c) != '[') && ((c) != '&') && ((c) != '=')) + +enum { PARSE_REQ_START, PARSE_REQ_HEADERS, PARSE_REQ_BODY, PARSE_REQ_END, PARSE_REQ_FAIL }; + +AsyncWebServerRequest::AsyncWebServerRequest(AsyncWebServer* s, AsyncClient* c) + : _client(c) + , _server(s) + , _handler(NULL) + , _response(NULL) + , _temp() + , _parseState(0) + , _version(0) + , _method(HTTP_ANY) + , _url() + , _host() + , _contentType() + , _boundary() + , _authorization() + , _reqconntype(RCT_HTTP) + , _isDigest(false) + , _isMultipart(false) + , _isPlainPost(false) + , _expectingContinue(false) + , _contentLength(0) + , _parsedLength(0) + , _headers(LinkedList([](AsyncWebHeader *h){ delete h; })) + , _params(LinkedList([](AsyncWebParameter *p){ delete p; })) + , _pathParams(LinkedList([](String *p){ delete p; })) + , _multiParseState(0) + , _boundaryPosition(0) + , _itemStartIndex(0) + , _itemSize(0) + , _itemName() + , _itemFilename() + , _itemType() + , _itemValue() + , _itemBuffer(0) + , _itemBufferIndex(0) + , _itemIsFile(false) + , _tempObject(NULL) +{ + c->onError([](void *r, AsyncClient* c, int8_t error){ (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onError(error); }, this); + c->onAck([](void *r, AsyncClient* c, size_t len, uint32_t time){ (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onAck(len, time); }, this); + c->onDisconnect([](void *r, AsyncClient* c){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onDisconnect(); delete c; }, this); + c->onTimeout([](void *r, AsyncClient* c, uint32_t time){ (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onTimeout(time); }, this); + c->onData([](void *r, AsyncClient* c, void *buf, size_t len){ (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onData(buf, len); }, this); + c->onPoll([](void *r, AsyncClient* c){ (void)c; AsyncWebServerRequest *req = ( AsyncWebServerRequest*)r; req->_onPoll(); }, this); +} + +AsyncWebServerRequest::~AsyncWebServerRequest(){ + _headers.free(); + + _params.free(); + _pathParams.free(); + + _interestingHeaders.free(); + + if(_response != NULL){ + delete _response; + } + + if(_tempObject != NULL){ + free(_tempObject); + } + + if(_tempFile){ + _tempFile.close(); + } +} + +void AsyncWebServerRequest::_onData(void *buf, size_t len){ + size_t i = 0; + while (true) { + + if(_parseState < PARSE_REQ_BODY){ + // Find new line in buf + char *str = (char*)buf; + for (i = 0; i < len; i++) { + if (str[i] == '\n') { + break; + } + } + if (i == len) { // No new line, just add the buffer in _temp + char ch = str[len-1]; + str[len-1] = 0; + _temp.reserve(_temp.length()+len); + _temp.concat(str); + _temp.concat(ch); + } else { // Found new line - extract it and parse + str[i] = 0; // Terminate the string at the end of the line. + _temp.concat(str); + _temp.trim(); + _parseLine(); + if (++i < len) { + // Still have more buffer to process + buf = str+i; + len-= i; + continue; + } + } + } else if(_parseState == PARSE_REQ_BODY){ + // A handler should be already attached at this point in _parseLine function. + // If handler does nothing (_onRequest is NULL), we don't need to really parse the body. + const bool needParse = _handler && !_handler->isRequestHandlerTrivial(); + if(_isMultipart){ + if(needParse){ + size_t i; + for(i=0; i end) equal = end; + String name = params.substring(start, equal); + String value = equal + 1 < end ? params.substring(equal + 1, end) : String(); + _addParam(new AsyncWebParameter(urlDecode(name), urlDecode(value))); + start = end + 1; + } +} + +bool AsyncWebServerRequest::_parseReqHead(){ + // Split the head into method, url and version + int index = _temp.indexOf(' '); + String m = _temp.substring(0, index); + index = _temp.indexOf(' ', index+1); + String u = _temp.substring(m.length()+1, index); + _temp = _temp.substring(index+1); + + if(m == "GET"){ + _method = HTTP_GET; + } else if(m == "POST"){ + _method = HTTP_POST; + } else if(m == "DELETE"){ + _method = HTTP_DELETE; + } else if(m == "PUT"){ + _method = HTTP_PUT; + } else if(m == "PATCH"){ + _method = HTTP_PATCH; + } else if(m == "HEAD"){ + _method = HTTP_HEAD; + } else if(m == "OPTIONS"){ + _method = HTTP_OPTIONS; + } + + String g = String(); + index = u.indexOf('?'); + if(index > 0){ + g = u.substring(index +1); + u = u.substring(0, index); + } + _url = urlDecode(u); + _addGetParams(g); + + if(!_temp.startsWith("HTTP/1.0")) + _version = 1; + + _temp = String(); + return true; +} + +bool strContains(String src, String find, bool mindcase = true) { + int pos=0, i=0; + const int slen = src.length(); + const int flen = find.length(); + + if (slen < flen) return false; + while (pos <= (slen - flen)) { + for (i=0; i < flen; i++) { + if (mindcase) { + if (src[pos+i] != find[i]) i = flen + 1; // no match + } else if (tolower(src[pos+i]) != tolower(find[i])) i = flen + 1; // no match + } + if (i == flen) return true; + pos++; + } + return false; +} + +bool AsyncWebServerRequest::_parseReqHeader(){ + int index = _temp.indexOf(':'); + if(index){ + String name = _temp.substring(0, index); + String value = _temp.substring(index + 2); + if(name.equalsIgnoreCase("Host")){ + _host = value; + } else if(name.equalsIgnoreCase("Content-Type")){ + _contentType = value.substring(0, value.indexOf(';')); + if (value.startsWith("multipart/")){ + _boundary = value.substring(value.indexOf('=')+1); + _boundary.replace("\"",""); + _isMultipart = true; + } + } else if(name.equalsIgnoreCase("Content-Length")){ + _contentLength = atoi(value.c_str()); + } else if(name.equalsIgnoreCase("Expect") && value == "100-continue"){ + _expectingContinue = true; + } else if(name.equalsIgnoreCase("Authorization")){ + if(value.length() > 5 && value.substring(0,5).equalsIgnoreCase("Basic")){ + _authorization = value.substring(6); + } else if(value.length() > 6 && value.substring(0,6).equalsIgnoreCase("Digest")){ + _isDigest = true; + _authorization = value.substring(7); + } + } else { + if(name.equalsIgnoreCase("Upgrade") && value.equalsIgnoreCase("websocket")){ + // WebSocket request can be uniquely identified by header: [Upgrade: websocket] + _reqconntype = RCT_WS; + } else { + if(name.equalsIgnoreCase("Accept") && strContains(value, "text/event-stream", false)){ + // WebEvent request can be uniquely identified by header: [Accept: text/event-stream] + _reqconntype = RCT_EVENT; + } + } + } + _headers.add(new AsyncWebHeader(name, value)); + } + _temp = String(); + return true; +} + +void AsyncWebServerRequest::_parsePlainPostChar(uint8_t data){ + if(data && (char)data != '&') + _temp += (char)data; + if(!data || (char)data == '&' || _parsedLength == _contentLength){ + String name = "body"; + String value = _temp; + if(!_temp.startsWith("{") && !_temp.startsWith("[") && _temp.indexOf('=') > 0){ + name = _temp.substring(0, _temp.indexOf('=')); + value = _temp.substring(_temp.indexOf('=') + 1); + } + _addParam(new AsyncWebParameter(urlDecode(name), urlDecode(value), true)); + _temp = String(); + } +} + +void AsyncWebServerRequest::_handleUploadByte(uint8_t data, bool last){ + _itemBuffer[_itemBufferIndex++] = data; + + if(last || _itemBufferIndex == 1460){ + //check if authenticated before calling the upload + if(_handler) + _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, false); + _itemBufferIndex = 0; + } +} + +enum { + EXPECT_BOUNDARY, + PARSE_HEADERS, + WAIT_FOR_RETURN1, + EXPECT_FEED1, + EXPECT_DASH1, + EXPECT_DASH2, + BOUNDARY_OR_DATA, + DASH3_OR_RETURN2, + EXPECT_FEED2, + PARSING_FINISHED, + PARSE_ERROR +}; + +void AsyncWebServerRequest::_parseMultipartPostByte(uint8_t data, bool last){ +#define itemWriteByte(b) do { _itemSize++; if(_itemIsFile) _handleUploadByte(b, last); else _itemValue+=(char)(b); } while(0) + + if(!_parsedLength){ + _multiParseState = EXPECT_BOUNDARY; + _temp = String(); + _itemName = String(); + _itemFilename = String(); + _itemType = String(); + } + + if(_multiParseState == WAIT_FOR_RETURN1){ + if(data != '\r'){ + itemWriteByte(data); + } else { + _multiParseState = EXPECT_FEED1; + } + } else if(_multiParseState == EXPECT_BOUNDARY){ + if(_parsedLength < 2 && data != '-'){ + _multiParseState = PARSE_ERROR; + return; + } else if(_parsedLength - 2 < _boundary.length() && _boundary.c_str()[_parsedLength - 2] != data){ + _multiParseState = PARSE_ERROR; + return; + } else if(_parsedLength - 2 == _boundary.length() && data != '\r'){ + _multiParseState = PARSE_ERROR; + return; + } else if(_parsedLength - 3 == _boundary.length()){ + if(data != '\n'){ + _multiParseState = PARSE_ERROR; + return; + } + _multiParseState = PARSE_HEADERS; + _itemIsFile = false; + } + } else if(_multiParseState == PARSE_HEADERS){ + if((char)data != '\r' && (char)data != '\n') + _temp += (char)data; + if((char)data == '\n'){ + if(_temp.length()){ + if(_temp.length() > 12 && _temp.substring(0, 12).equalsIgnoreCase("Content-Type")){ + _itemType = _temp.substring(14); + _itemIsFile = true; + } else if(_temp.length() > 19 && _temp.substring(0, 19).equalsIgnoreCase("Content-Disposition")){ + _temp = _temp.substring(_temp.indexOf(';') + 2); + while(_temp.indexOf(';') > 0){ + String name = _temp.substring(0, _temp.indexOf('=')); + String nameVal = _temp.substring(_temp.indexOf('=') + 2, _temp.indexOf(';') - 1); + if(name == "name"){ + _itemName = nameVal; + } else if(name == "filename"){ + _itemFilename = nameVal; + _itemIsFile = true; + } + _temp = _temp.substring(_temp.indexOf(';') + 2); + } + String name = _temp.substring(0, _temp.indexOf('=')); + String nameVal = _temp.substring(_temp.indexOf('=') + 2, _temp.length() - 1); + if(name == "name"){ + _itemName = nameVal; + } else if(name == "filename"){ + _itemFilename = nameVal; + _itemIsFile = true; + } + } + _temp = String(); + } else { + _multiParseState = WAIT_FOR_RETURN1; + //value starts from here + _itemSize = 0; + _itemStartIndex = _parsedLength; + _itemValue = String(); + if(_itemIsFile){ + if(_itemBuffer) + free(_itemBuffer); + _itemBuffer = (uint8_t*)malloc(1460); + if(_itemBuffer == NULL){ + _multiParseState = PARSE_ERROR; + return; + } + _itemBufferIndex = 0; + } + } + } + } else if(_multiParseState == EXPECT_FEED1){ + if(data != '\n'){ + _multiParseState = WAIT_FOR_RETURN1; + itemWriteByte('\r'); _parseMultipartPostByte(data, last); + } else { + _multiParseState = EXPECT_DASH1; + } + } else if(_multiParseState == EXPECT_DASH1){ + if(data != '-'){ + _multiParseState = WAIT_FOR_RETURN1; + itemWriteByte('\r'); itemWriteByte('\n'); _parseMultipartPostByte(data, last); + } else { + _multiParseState = EXPECT_DASH2; + } + } else if(_multiParseState == EXPECT_DASH2){ + if(data != '-'){ + _multiParseState = WAIT_FOR_RETURN1; + itemWriteByte('\r'); itemWriteByte('\n'); itemWriteByte('-'); _parseMultipartPostByte(data, last); + } else { + _multiParseState = BOUNDARY_OR_DATA; + _boundaryPosition = 0; + } + } else if(_multiParseState == BOUNDARY_OR_DATA){ + if(_boundaryPosition < _boundary.length() && _boundary.c_str()[_boundaryPosition] != data){ + _multiParseState = WAIT_FOR_RETURN1; + itemWriteByte('\r'); itemWriteByte('\n'); itemWriteByte('-'); itemWriteByte('-'); + uint8_t i; + for(i=0; i<_boundaryPosition; i++) + itemWriteByte(_boundary.c_str()[i]); + _parseMultipartPostByte(data, last); + } else if(_boundaryPosition == _boundary.length() - 1){ + _multiParseState = DASH3_OR_RETURN2; + if(!_itemIsFile){ + _addParam(new AsyncWebParameter(_itemName, _itemValue, true)); + } else { + if(_itemSize){ + //check if authenticated before calling the upload + if(_handler) _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, true); + _itemBufferIndex = 0; + _addParam(new AsyncWebParameter(_itemName, _itemFilename, true, true, _itemSize)); + } + free(_itemBuffer); + _itemBuffer = NULL; + } + + } else { + _boundaryPosition++; + } + } else if(_multiParseState == DASH3_OR_RETURN2){ + if(data == '-' && (_contentLength - _parsedLength - 4) != 0){ + //os_printf("ERROR: The parser got to the end of the POST but is expecting %u bytes more!\nDrop an issue so we can have more info on the matter!\n", _contentLength - _parsedLength - 4); + _contentLength = _parsedLength + 4;//lets close the request gracefully + } + if(data == '\r'){ + _multiParseState = EXPECT_FEED2; + } else if(data == '-' && _contentLength == (_parsedLength + 4)){ + _multiParseState = PARSING_FINISHED; + } else { + _multiParseState = WAIT_FOR_RETURN1; + itemWriteByte('\r'); itemWriteByte('\n'); itemWriteByte('-'); itemWriteByte('-'); + uint8_t i; for(i=0; i<_boundary.length(); i++) itemWriteByte(_boundary.c_str()[i]); + _parseMultipartPostByte(data, last); + } + } else if(_multiParseState == EXPECT_FEED2){ + if(data == '\n'){ + _multiParseState = PARSE_HEADERS; + _itemIsFile = false; + } else { + _multiParseState = WAIT_FOR_RETURN1; + itemWriteByte('\r'); itemWriteByte('\n'); itemWriteByte('-'); itemWriteByte('-'); + uint8_t i; for(i=0; i<_boundary.length(); i++) itemWriteByte(_boundary.c_str()[i]); + itemWriteByte('\r'); _parseMultipartPostByte(data, last); + } + } +} + +void AsyncWebServerRequest::_parseLine(){ + if(_parseState == PARSE_REQ_START){ + if(!_temp.length()){ + _parseState = PARSE_REQ_FAIL; + _client->close(); + } else { + _parseReqHead(); + _parseState = PARSE_REQ_HEADERS; + } + return; + } + + if(_parseState == PARSE_REQ_HEADERS){ + if(!_temp.length()){ + //end of headers + _server->_rewriteRequest(this); + _server->_attachHandler(this); + _removeNotInterestingHeaders(); + if(_expectingContinue){ + const char * response = "HTTP/1.1 100 Continue\r\n\r\n"; + _client->write(response, os_strlen(response)); + } + //check handler for authentication + if(_contentLength){ + _parseState = PARSE_REQ_BODY; + } else { + _parseState = PARSE_REQ_END; + if(_handler) _handler->handleRequest(this); + else send(501); + } + } else _parseReqHeader(); + } +} + +size_t AsyncWebServerRequest::headers() const{ + return _headers.length(); +} + +bool AsyncWebServerRequest::hasHeader(const String& name) const { + for(const auto& h: _headers){ + if(h->name().equalsIgnoreCase(name)){ + return true; + } + } + return false; +} + +bool AsyncWebServerRequest::hasHeader(const __FlashStringHelper * data) const { + PGM_P p = reinterpret_cast(data); + size_t n = 0; + while (1) { + if (pgm_read_byte(p+n) == 0) break; + n += 1; + } + char * name = (char*) malloc(n+1); + name[n] = 0; + if (name) { + for(size_t b=0; bname().equalsIgnoreCase(name)){ + return h; + } + } + return nullptr; +} + +AsyncWebHeader* AsyncWebServerRequest::getHeader(const __FlashStringHelper * data) const { + PGM_P p = reinterpret_cast(data); + size_t n = strlen_P(p); + char * name = (char*) malloc(n+1); + if (name) { + strcpy_P(name, p); + AsyncWebHeader* result = getHeader( String(name)); + free(name); + return result; + } else { + return nullptr; + } +} + +AsyncWebHeader* AsyncWebServerRequest::getHeader(size_t num) const { + auto header = _headers.nth(num); + return header ? *header : nullptr; +} + +size_t AsyncWebServerRequest::params() const { + return _params.length(); +} + +bool AsyncWebServerRequest::hasParam(const String& name, bool post, bool file) const { + for(const auto& p: _params){ + if(p->name() == name && p->isPost() == post && p->isFile() == file){ + return true; + } + } + return false; +} + +bool AsyncWebServerRequest::hasParam(const __FlashStringHelper * data, bool post, bool file) const { + PGM_P p = reinterpret_cast(data); + size_t n = strlen_P(p); + + char * name = (char*) malloc(n+1); + name[n] = 0; + if (name) { + strcpy_P(name,p); + bool result = hasParam( name, post, file); + free(name); + return result; + } else { + return false; + } +} + +AsyncWebParameter* AsyncWebServerRequest::getParam(const String& name, bool post, bool file) const { + for(const auto& p: _params){ + if(p->name() == name && p->isPost() == post && p->isFile() == file){ + return p; + } + } + return nullptr; +} + +AsyncWebParameter* AsyncWebServerRequest::getParam(const __FlashStringHelper * data, bool post, bool file) const { + PGM_P p = reinterpret_cast(data); + size_t n = strlen_P(p); + char * name = (char*) malloc(n+1); + if (name) { + strcpy_P(name, p); + AsyncWebParameter* result = getParam(name, post, file); + free(name); + return result; + } else { + return nullptr; + } +} + +AsyncWebParameter* AsyncWebServerRequest::getParam(size_t num) const { + auto param = _params.nth(num); + return param ? *param : nullptr; +} + +void AsyncWebServerRequest::addInterestingHeader(const String& name){ + if(!_interestingHeaders.containsIgnoreCase(name)) + _interestingHeaders.add(name); +} + +void AsyncWebServerRequest::send(AsyncWebServerResponse *response){ + _response = response; + if(_response == NULL){ + _client->close(true); + _onDisconnect(); + return; + } + if(!_response->_sourceValid()){ + delete response; + _response = NULL; + send(500); + } + else { + _client->setRxTimeout(0); + _response->_respond(this); + } +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(int code, const String& contentType, const String& content){ + return new AsyncBasicResponse(code, contentType, content); +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(FS &fs, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback){ + if(fs.exists(path) || (!download && fs.exists(path+".gz"))) + return new AsyncFileResponse(fs, path, contentType, download, callback); + return NULL; +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(File content, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback){ + if(content == true) + return new AsyncFileResponse(content, path, contentType, download, callback); + return NULL; +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback){ + return new AsyncStreamResponse(stream, contentType, len, callback); +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback){ + return new AsyncCallbackResponse(contentType, len, callback, templateCallback); +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback){ + if(_version) + return new AsyncChunkedResponse(contentType, callback, templateCallback); + return new AsyncCallbackResponse(contentType, 0, callback, templateCallback); +} + +AsyncResponseStream * AsyncWebServerRequest::beginResponseStream(const String& contentType, size_t bufferSize){ + return new AsyncResponseStream(contentType, bufferSize); +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback){ + return new AsyncProgmemResponse(code, contentType, content, len, callback); +} + +AsyncWebServerResponse * AsyncWebServerRequest::beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback){ + return beginResponse_P(code, contentType, (const uint8_t *)content, strlen_P(content), callback); +} + +void AsyncWebServerRequest::send(int code, const String& contentType, const String& content){ + send(beginResponse(code, contentType, content)); +} + +void AsyncWebServerRequest::send(FS &fs, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback){ + if(fs.exists(path) || (!download && fs.exists(path+".gz"))){ + send(beginResponse(fs, path, contentType, download, callback)); + } else send(404); +} + +void AsyncWebServerRequest::send(File content, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback){ + if(content == true){ + send(beginResponse(content, path, contentType, download, callback)); + } else send(404); +} + +void AsyncWebServerRequest::send(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback){ + send(beginResponse(stream, contentType, len, callback)); +} + +void AsyncWebServerRequest::send(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback){ + send(beginResponse(contentType, len, callback, templateCallback)); +} + +void AsyncWebServerRequest::sendChunked(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback){ + send(beginChunkedResponse(contentType, callback, templateCallback)); +} + +void AsyncWebServerRequest::send_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback){ + send(beginResponse_P(code, contentType, content, len, callback)); +} + +void AsyncWebServerRequest::send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback){ + send(beginResponse_P(code, contentType, content, callback)); +} + +void AsyncWebServerRequest::redirect(const String& url){ + AsyncWebServerResponse * response = beginResponse(302); + response->addHeader("Location",url); + send(response); +} + +bool AsyncWebServerRequest::authenticate(const char * username, const char * password, const char * realm, bool passwordIsHash){ + if(_authorization.length()){ + if(_isDigest) + return checkDigestAuthentication(_authorization.c_str(), methodToString(), username, password, realm, passwordIsHash, NULL, NULL, NULL); + else if(!passwordIsHash) + return checkBasicAuthentication(_authorization.c_str(), username, password); + else + return _authorization.equals(password); + } + return false; +} + +bool AsyncWebServerRequest::authenticate(const char * hash){ + if(!_authorization.length() || hash == NULL) + return false; + + if(_isDigest){ + String hStr = String(hash); + int separator = hStr.indexOf(":"); + if(separator <= 0) + return false; + String username = hStr.substring(0, separator); + hStr = hStr.substring(separator + 1); + separator = hStr.indexOf(":"); + if(separator <= 0) + return false; + String realm = hStr.substring(0, separator); + hStr = hStr.substring(separator + 1); + return checkDigestAuthentication(_authorization.c_str(), methodToString(), username.c_str(), hStr.c_str(), realm.c_str(), true, NULL, NULL, NULL); + } + + return (_authorization.equals(hash)); +} + +void AsyncWebServerRequest::requestAuthentication(const char * realm, bool isDigest){ + AsyncWebServerResponse * r = beginResponse(401); + if(!isDigest && realm == NULL){ + r->addHeader("WWW-Authenticate", "Basic realm=\"Login Required\""); + } else if(!isDigest){ + String header = "Basic realm=\""; + header.concat(realm); + header.concat("\""); + r->addHeader("WWW-Authenticate", header); + } else { + String header = "Digest "; + header.concat(requestDigestAuthentication(realm)); + r->addHeader("WWW-Authenticate", header); + } + send(r); +} + +bool AsyncWebServerRequest::hasArg(const char* name) const { + for(const auto& arg: _params){ + if(arg->name() == name){ + return true; + } + } + return false; +} + +bool AsyncWebServerRequest::hasArg(const __FlashStringHelper * data) const { + PGM_P p = reinterpret_cast(data); + size_t n = strlen_P(p); + char * name = (char*) malloc(n+1); + if (name) { + strcpy_P(name, p); + bool result = hasArg( name ); + free(name); + return result; + } else { + return false; + } +} + + +const String& AsyncWebServerRequest::arg(const String& name) const { + for(const auto& arg: _params){ + if(arg->name() == name){ + return arg->value(); + } + } + return SharedEmptyString; +} + +const String& AsyncWebServerRequest::arg(const __FlashStringHelper * data) const { + PGM_P p = reinterpret_cast(data); + size_t n = strlen_P(p); + char * name = (char*) malloc(n+1); + if (name) { + strcpy_P(name, p); + const String & result = arg( String(name) ); + free(name); + return result; + } else { + return SharedEmptyString; + } + +} + +const String& AsyncWebServerRequest::arg(size_t i) const { + return getParam(i)->value(); +} + +const String& AsyncWebServerRequest::argName(size_t i) const { + return getParam(i)->name(); +} + +const String& AsyncWebServerRequest::pathArg(size_t i) const { + auto param = _pathParams.nth(i); + return param ? **param : SharedEmptyString; +} + +const String& AsyncWebServerRequest::header(const char* name) const { + AsyncWebHeader* h = getHeader(String(name)); + return h ? h->value() : SharedEmptyString; +} + +const String& AsyncWebServerRequest::header(const __FlashStringHelper * data) const { + PGM_P p = reinterpret_cast(data); + size_t n = strlen_P(p); + char * name = (char*) malloc(n+1); + if (name) { + strcpy_P(name, p); + const String & result = header( (const char *)name ); + free(name); + return result; + } else { + return SharedEmptyString; + } +}; + + +const String& AsyncWebServerRequest::header(size_t i) const { + AsyncWebHeader* h = getHeader(i); + return h ? h->value() : SharedEmptyString; +} + +const String& AsyncWebServerRequest::headerName(size_t i) const { + AsyncWebHeader* h = getHeader(i); + return h ? h->name() : SharedEmptyString; +} + +String AsyncWebServerRequest::urlDecode(const String& text) const { + char temp[] = "0x00"; + unsigned int len = text.length(); + unsigned int i = 0; + String decoded = String(); + decoded.reserve(len); // Allocate the string internal buffer - never longer from source text + while (i < len){ + char decodedChar; + char encodedChar = text.charAt(i++); + if ((encodedChar == '%') && (i + 1 < len)){ + temp[2] = text.charAt(i++); + temp[3] = text.charAt(i++); + decodedChar = strtol(temp, NULL, 16); + } else if (encodedChar == '+') { + decodedChar = ' '; + } else { + decodedChar = encodedChar; // normal ascii char + } + decoded.concat(decodedChar); + } + return decoded; +} + + +const char * AsyncWebServerRequest::methodToString() const { + if(_method == HTTP_ANY) return "ANY"; + else if(_method & HTTP_GET) return "GET"; + else if(_method & HTTP_POST) return "POST"; + else if(_method & HTTP_DELETE) return "DELETE"; + else if(_method & HTTP_PUT) return "PUT"; + else if(_method & HTTP_PATCH) return "PATCH"; + else if(_method & HTTP_HEAD) return "HEAD"; + else if(_method & HTTP_OPTIONS) return "OPTIONS"; + return "UNKNOWN"; +} + +const char *AsyncWebServerRequest::requestedConnTypeToString() const { + switch (_reqconntype) { + case RCT_NOT_USED: return "RCT_NOT_USED"; + case RCT_DEFAULT: return "RCT_DEFAULT"; + case RCT_HTTP: return "RCT_HTTP"; + case RCT_WS: return "RCT_WS"; + case RCT_EVENT: return "RCT_EVENT"; + default: return "ERROR"; + } +} + +bool AsyncWebServerRequest::isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2, RequestedConnectionType erct3) { + bool res = false; + if ((erct1 != RCT_NOT_USED) && (erct1 == _reqconntype)) res = true; + if ((erct2 != RCT_NOT_USED) && (erct2 == _reqconntype)) res = true; + if ((erct3 != RCT_NOT_USED) && (erct3 == _reqconntype)) res = true; + return res; +} diff --git a/Lib_backup/WebResponseImpl.h b/Lib_backup/WebResponseImpl.h new file mode 100644 index 0000000..9a64e3a --- /dev/null +++ b/Lib_backup/WebResponseImpl.h @@ -0,0 +1,136 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef ASYNCWEBSERVERRESPONSEIMPL_H_ +#define ASYNCWEBSERVERRESPONSEIMPL_H_ + +#ifdef Arduino_h +// arduino is not compatible with std::vector +#undef min +#undef max +#endif +#include +// It is possible to restore these defines, but one can use _min and _max instead. Or std::min, std::max. + +class AsyncBasicResponse: public AsyncWebServerResponse { + private: + String _content; + public: + AsyncBasicResponse(int code, const String& contentType=String(), const String& content=String()); + void _respond(AsyncWebServerRequest *request); + size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time); + bool _sourceValid() const { return true; } +}; + +class AsyncAbstractResponse: public AsyncWebServerResponse { + private: + String _head; + // Data is inserted into cache at begin(). + // This is inefficient with vector, but if we use some other container, + // we won't be able to access it as contiguous array of bytes when reading from it, + // so by gaining performance in one place, we'll lose it in another. + std::vector _cache; + size_t _readDataFromCacheOrContent(uint8_t* data, const size_t len); + size_t _fillBufferAndProcessTemplates(uint8_t* buf, size_t maxLen); + protected: + AwsTemplateProcessor _callback; + public: + AsyncAbstractResponse(AwsTemplateProcessor callback=nullptr); + void _respond(AsyncWebServerRequest *request); + size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time); + bool _sourceValid() const { return false; } + virtual size_t _fillBuffer(uint8_t *buf __attribute__((unused)), size_t maxLen __attribute__((unused))) { return 0; } +}; + +#ifndef TEMPLATE_PLACEHOLDER +#define TEMPLATE_PLACEHOLDER '%' +#endif + +#define TEMPLATE_PARAM_NAME_LENGTH 32 +class AsyncFileResponse: public AsyncAbstractResponse { + using File = fs::File; + using FS = fs::FS; + private: + File _content; + String _path; + void _setContentType(const String& path); + public: + AsyncFileResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr); + AsyncFileResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr); + ~AsyncFileResponse(); + bool _sourceValid() const { return !!(_content); } + virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override; +}; + +class AsyncStreamResponse: public AsyncAbstractResponse { + private: + Stream *_content; + public: + AsyncStreamResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr); + bool _sourceValid() const { return !!(_content); } + virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override; +}; + +class AsyncCallbackResponse: public AsyncAbstractResponse { + private: + AwsResponseFiller _content; + size_t _filledLength; + public: + AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr); + bool _sourceValid() const { return !!(_content); } + virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override; +}; + +class AsyncChunkedResponse: public AsyncAbstractResponse { + private: + AwsResponseFiller _content; + size_t _filledLength; + public: + AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr); + bool _sourceValid() const { return !!(_content); } + virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override; +}; + +class AsyncProgmemResponse: public AsyncAbstractResponse { + private: + const uint8_t * _content; + size_t _readLength; + public: + AsyncProgmemResponse(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr); + bool _sourceValid() const { return true; } + virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override; +}; + +class cbuf; + +class AsyncResponseStream: public AsyncAbstractResponse, public Print { + private: + cbuf *_content; + public: + AsyncResponseStream(const String& contentType, size_t bufferSize); + ~AsyncResponseStream(); + bool _sourceValid() const { return (_state < RESPONSE_END); } + virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override; + size_t write(const uint8_t *data, size_t len); + size_t write(uint8_t data); + using Print::write; +}; + +#endif /* ASYNCWEBSERVERRESPONSEIMPL_H_ */ diff --git a/Lib_backup/WebResponses.cpp b/Lib_backup/WebResponses.cpp new file mode 100644 index 0000000..a22e991 --- /dev/null +++ b/Lib_backup/WebResponses.cpp @@ -0,0 +1,699 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "ESPAsyncWebServer.h" +#include "WebResponseImpl.h" +#include "cbuf.h" + +// Since ESP8266 does not link memchr by default, here's its implementation. +void* memchr(void* ptr, int ch, size_t count) +{ + unsigned char* p = static_cast(ptr); + while(count--) + if(*p++ == static_cast(ch)) + return --p; + return nullptr; +} + + +/* + * Abstract Response + * */ +const char* AsyncWebServerResponse::_responseCodeToString(int code) { + switch (code) { + case 100: return "Continue"; + case 101: return "Switching Protocols"; + case 200: return "OK"; + case 201: return "Created"; + case 202: return "Accepted"; + case 203: return "Non-Authoritative Information"; + case 204: return "No Content"; + case 205: return "Reset Content"; + case 206: return "Partial Content"; + case 300: return "Multiple Choices"; + case 301: return "Moved Permanently"; + case 302: return "Found"; + case 303: return "See Other"; + case 304: return "Not Modified"; + case 305: return "Use Proxy"; + case 307: return "Temporary Redirect"; + case 400: return "Bad Request"; + case 401: return "Unauthorized"; + case 402: return "Payment Required"; + case 403: return "Forbidden"; + case 404: return "Not Found"; + case 405: return "Method Not Allowed"; + case 406: return "Not Acceptable"; + case 407: return "Proxy Authentication Required"; + case 408: return "Request Time-out"; + case 409: return "Conflict"; + case 410: return "Gone"; + case 411: return "Length Required"; + case 412: return "Precondition Failed"; + case 413: return "Request Entity Too Large"; + case 414: return "Request-URI Too Large"; + case 415: return "Unsupported Media Type"; + case 416: return "Requested range not satisfiable"; + case 417: return "Expectation Failed"; + case 500: return "Internal Server Error"; + case 501: return "Not Implemented"; + case 502: return "Bad Gateway"; + case 503: return "Service Unavailable"; + case 504: return "Gateway Time-out"; + case 505: return "HTTP Version not supported"; + default: return ""; + } +} + +AsyncWebServerResponse::AsyncWebServerResponse() + : _code(0) + , _headers(LinkedList([](AsyncWebHeader *h){ delete h; })) + , _contentType() + , _contentLength(0) + , _sendContentLength(true) + , _chunked(false) + , _headLength(0) + , _sentLength(0) + , _ackedLength(0) + , _writtenLength(0) + , _state(RESPONSE_SETUP) +{ + for(auto header: DefaultHeaders::Instance()) { + _headers.add(new AsyncWebHeader(header->name(), header->value())); + } +} + +AsyncWebServerResponse::~AsyncWebServerResponse(){ + _headers.free(); +} + +void AsyncWebServerResponse::setCode(int code){ + if(_state == RESPONSE_SETUP) + _code = code; +} + +void AsyncWebServerResponse::setContentLength(size_t len){ + if(_state == RESPONSE_SETUP) + _contentLength = len; +} + +void AsyncWebServerResponse::setContentType(const String& type){ + if(_state == RESPONSE_SETUP) + _contentType = type; +} + +void AsyncWebServerResponse::addHeader(const String& name, const String& value){ + _headers.add(new AsyncWebHeader(name, value)); +} + +String AsyncWebServerResponse::_assembleHead(uint8_t version){ + if(version){ + addHeader("Accept-Ranges","none"); + if(_chunked) + addHeader("Transfer-Encoding","chunked"); + } + String out = String(); + int bufSize = 300; + char buf[bufSize]; + + snprintf(buf, bufSize, "HTTP/1.%d %d %s\r\n", version, _code, _responseCodeToString(_code)); + out.concat(buf); + + if(_sendContentLength) { + snprintf(buf, bufSize, "Content-Length: %d\r\n", _contentLength); + out.concat(buf); + } + if(_contentType.length()) { + snprintf(buf, bufSize, "Content-Type: %s\r\n", _contentType.c_str()); + out.concat(buf); + } + + for(const auto& header: _headers){ + snprintf(buf, bufSize, "%s: %s\r\n", header->name().c_str(), header->value().c_str()); + out.concat(buf); + } + _headers.free(); + + out.concat("\r\n"); + _headLength = out.length(); + return out; +} + +bool AsyncWebServerResponse::_started() const { return _state > RESPONSE_SETUP; } +bool AsyncWebServerResponse::_finished() const { return _state > RESPONSE_WAIT_ACK; } +bool AsyncWebServerResponse::_failed() const { return _state == RESPONSE_FAILED; } +bool AsyncWebServerResponse::_sourceValid() const { return false; } +void AsyncWebServerResponse::_respond(AsyncWebServerRequest *request){ _state = RESPONSE_END; request->client()->close(); } +size_t AsyncWebServerResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ (void)request; (void)len; (void)time; return 0; } + +/* + * String/Code Response + * */ +AsyncBasicResponse::AsyncBasicResponse(int code, const String& contentType, const String& content){ + _code = code; + _content = content; + _contentType = contentType; + if(_content.length()){ + _contentLength = _content.length(); + if(!_contentType.length()) + _contentType = "text/plain"; + } + addHeader("Connection","close"); +} + +void AsyncBasicResponse::_respond(AsyncWebServerRequest *request){ + _state = RESPONSE_HEADERS; + String out = _assembleHead(request->version()); + size_t outLen = out.length(); + size_t space = request->client()->space(); + if(!_contentLength && space >= outLen){ + _writtenLength += request->client()->write(out.c_str(), outLen); + _state = RESPONSE_WAIT_ACK; + } else if(_contentLength && space >= outLen + _contentLength){ + out += _content; + outLen += _contentLength; + _writtenLength += request->client()->write(out.c_str(), outLen); + _state = RESPONSE_WAIT_ACK; + } else if(space && space < outLen){ + String partial = out.substring(0, space); + _content = out.substring(space) + _content; + _contentLength += outLen - space; + _writtenLength += request->client()->write(partial.c_str(), partial.length()); + _state = RESPONSE_CONTENT; + } else if(space > outLen && space < (outLen + _contentLength)){ + size_t shift = space - outLen; + outLen += shift; + _sentLength += shift; + out += _content.substring(0, shift); + _content = _content.substring(shift); + _writtenLength += request->client()->write(out.c_str(), outLen); + _state = RESPONSE_CONTENT; + } else { + _content = out + _content; + _contentLength += outLen; + _state = RESPONSE_CONTENT; + } +} + +size_t AsyncBasicResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ + (void)time; + _ackedLength += len; + if(_state == RESPONSE_CONTENT){ + size_t available = _contentLength - _sentLength; + size_t space = request->client()->space(); + //we can fit in this packet + if(space > available){ + _writtenLength += request->client()->write(_content.c_str(), available); + _content = String(); + _state = RESPONSE_WAIT_ACK; + return available; + } + //send some data, the rest on ack + String out = _content.substring(0, space); + _content = _content.substring(space); + _sentLength += space; + _writtenLength += request->client()->write(out.c_str(), space); + return space; + } else if(_state == RESPONSE_WAIT_ACK){ + if(_ackedLength >= _writtenLength){ + _state = RESPONSE_END; + } + } + return 0; +} + + +/* + * Abstract Response + * */ + +AsyncAbstractResponse::AsyncAbstractResponse(AwsTemplateProcessor callback): _callback(callback) +{ + // In case of template processing, we're unable to determine real response size + if(callback) { + _contentLength = 0; + _sendContentLength = false; + _chunked = true; + } +} + +void AsyncAbstractResponse::_respond(AsyncWebServerRequest *request){ + addHeader("Connection","close"); + _head = _assembleHead(request->version()); + _state = RESPONSE_HEADERS; + _ack(request, 0, 0); +} + +size_t AsyncAbstractResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ + (void)time; + if(!_sourceValid()){ + _state = RESPONSE_FAILED; + request->client()->close(); + return 0; + } + _ackedLength += len; + size_t space = request->client()->space(); + + size_t headLen = _head.length(); + if(_state == RESPONSE_HEADERS){ + if(space >= headLen){ + _state = RESPONSE_CONTENT; + space -= headLen; + } else { + String out = _head.substring(0, space); + _head = _head.substring(space); + _writtenLength += request->client()->write(out.c_str(), out.length()); + return out.length(); + } + } + + if(_state == RESPONSE_CONTENT){ + size_t outLen; + if(_chunked){ + if(space <= 8){ + return 0; + } + outLen = space; + } else if(!_sendContentLength){ + outLen = space; + } else { + outLen = ((_contentLength - _sentLength) > space)?space:(_contentLength - _sentLength); + } + + uint8_t *buf = (uint8_t *)malloc(outLen+headLen); + if (!buf) { + // os_printf("_ack malloc %d failed\n", outLen+headLen); + return 0; + } + + if(headLen){ + memcpy(buf, _head.c_str(), _head.length()); + } + + size_t readLen = 0; + + if(_chunked){ + // HTTP 1.1 allows leading zeros in chunk length. Or spaces may be added. + // See RFC2616 sections 2, 3.6.1. + readLen = _fillBufferAndProcessTemplates(buf+headLen+6, outLen - 8); + if(readLen == RESPONSE_TRY_AGAIN){ + free(buf); + return 0; + } + outLen = sprintf((char*)buf+headLen, "%x", readLen) + headLen; + while(outLen < headLen + 4) buf[outLen++] = ' '; + buf[outLen++] = '\r'; + buf[outLen++] = '\n'; + outLen += readLen; + buf[outLen++] = '\r'; + buf[outLen++] = '\n'; + } else { + readLen = _fillBufferAndProcessTemplates(buf+headLen, outLen); + if(readLen == RESPONSE_TRY_AGAIN){ + free(buf); + return 0; + } + outLen = readLen + headLen; + } + + if(headLen){ + _head = String(); + } + + if(outLen){ + _writtenLength += request->client()->write((const char*)buf, outLen); + } + + if(_chunked){ + _sentLength += readLen; + } else { + _sentLength += outLen - headLen; + } + + free(buf); + + if((_chunked && readLen == 0) || (!_sendContentLength && outLen == 0) || (!_chunked && _sentLength == _contentLength)){ + _state = RESPONSE_WAIT_ACK; + } + return outLen; + + } else if(_state == RESPONSE_WAIT_ACK){ + if(!_sendContentLength || _ackedLength >= _writtenLength){ + _state = RESPONSE_END; + if(!_chunked && !_sendContentLength) + request->client()->close(true); + } + } + return 0; +} + +size_t AsyncAbstractResponse::_readDataFromCacheOrContent(uint8_t* data, const size_t len) +{ + // If we have something in cache, copy it to buffer + const size_t readFromCache = std::min(len, _cache.size()); + if(readFromCache) { + memcpy(data, _cache.data(), readFromCache); + _cache.erase(_cache.begin(), _cache.begin() + readFromCache); + } + // If we need to read more... + const size_t needFromFile = len - readFromCache; + const size_t readFromContent = _fillBuffer(data + readFromCache, needFromFile); + return readFromCache + readFromContent; +} + +size_t AsyncAbstractResponse::_fillBufferAndProcessTemplates(uint8_t* data, size_t len) +{ + if(!_callback) + return _fillBuffer(data, len); + + const size_t originalLen = len; + len = _readDataFromCacheOrContent(data, len); + // Now we've read 'len' bytes, either from cache or from file + // Search for template placeholders + uint8_t* pTemplateStart = data; + while((pTemplateStart < &data[len]) && (pTemplateStart = (uint8_t*)memchr(pTemplateStart, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart + 1))) { // data[0] ... data[len - 1] + uint8_t* pTemplateEnd = (pTemplateStart < &data[len - 1]) ? (uint8_t*)memchr(pTemplateStart + 1, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart) : nullptr; + // temporary buffer to hold parameter name + uint8_t buf[TEMPLATE_PARAM_NAME_LENGTH + 1]; + String paramName; + // If closing placeholder is found: + if(pTemplateEnd) { + // prepare argument to callback + const size_t paramNameLength = std::min(sizeof(buf) - 1, (unsigned int)(pTemplateEnd - pTemplateStart - 1)); + if(paramNameLength) { + memcpy(buf, pTemplateStart + 1, paramNameLength); + buf[paramNameLength] = 0; + paramName = String(reinterpret_cast(buf)); + } else { // double percent sign encountered, this is single percent sign escaped. + // remove the 2nd percent sign + memmove(pTemplateEnd, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1); + len += _readDataFromCacheOrContent(&data[len - 1], 1) - 1; + ++pTemplateStart; + } + } else if(&data[len - 1] - pTemplateStart + 1 < TEMPLATE_PARAM_NAME_LENGTH + 2) { // closing placeholder not found, check if it's in the remaining file data + memcpy(buf, pTemplateStart + 1, &data[len - 1] - pTemplateStart); + const size_t readFromCacheOrContent = _readDataFromCacheOrContent(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PARAM_NAME_LENGTH + 2 - (&data[len - 1] - pTemplateStart + 1)); + if(readFromCacheOrContent) { + pTemplateEnd = (uint8_t*)memchr(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PLACEHOLDER, readFromCacheOrContent); + if(pTemplateEnd) { + // prepare argument to callback + *pTemplateEnd = 0; + paramName = String(reinterpret_cast(buf)); + // Copy remaining read-ahead data into cache + _cache.insert(_cache.begin(), pTemplateEnd + 1, buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent); + pTemplateEnd = &data[len - 1]; + } + else // closing placeholder not found in file data, store found percent symbol as is and advance to the next position + { + // but first, store read file data in cache + _cache.insert(_cache.begin(), buf + (&data[len - 1] - pTemplateStart), buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent); + ++pTemplateStart; + } + } + else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position + ++pTemplateStart; + } + else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position + ++pTemplateStart; + if(paramName.length()) { + // call callback and replace with result. + // Everything in range [pTemplateStart, pTemplateEnd] can be safely replaced with parameter value. + // Data after pTemplateEnd may need to be moved. + // The first byte of data after placeholder is located at pTemplateEnd + 1. + // It should be located at pTemplateStart + numBytesCopied (to begin right after inserted parameter value). + const String paramValue(_callback(paramName)); + const char* pvstr = paramValue.c_str(); + const unsigned int pvlen = paramValue.length(); + const size_t numBytesCopied = std::min(pvlen, static_cast(&data[originalLen - 1] - pTemplateStart + 1)); + // make room for param value + // 1. move extra data to cache if parameter value is longer than placeholder AND if there is no room to store + if((pTemplateEnd + 1 < pTemplateStart + numBytesCopied) && (originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1) < len)) { + _cache.insert(_cache.begin(), &data[originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1)], &data[len]); + //2. parameter value is longer than placeholder text, push the data after placeholder which not saved into cache further to the end + memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[originalLen] - pTemplateStart - numBytesCopied); + len = originalLen; // fix issue with truncated data, not sure if it has any side effects + } else if(pTemplateEnd + 1 != pTemplateStart + numBytesCopied) + //2. Either parameter value is shorter than placeholder text OR there is enough free space in buffer to fit. + // Move the entire data after the placeholder + memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1); + // 3. replace placeholder with actual value + memcpy(pTemplateStart, pvstr, numBytesCopied); + // If result is longer than buffer, copy the remainder into cache (this could happen only if placeholder text itself did not fit entirely in buffer) + if(numBytesCopied < pvlen) { + _cache.insert(_cache.begin(), pvstr + numBytesCopied, pvstr + pvlen); + } else if(pTemplateStart + numBytesCopied < pTemplateEnd + 1) { // result is copied fully; if result is shorter than placeholder text... + // there is some free room, fill it from cache + const size_t roomFreed = pTemplateEnd + 1 - pTemplateStart - numBytesCopied; + const size_t totalFreeRoom = originalLen - len + roomFreed; + len += _readDataFromCacheOrContent(&data[len - roomFreed], totalFreeRoom) - roomFreed; + } else { // result is copied fully; it is longer than placeholder text + const size_t roomTaken = pTemplateStart + numBytesCopied - pTemplateEnd - 1; + len = std::min(len + roomTaken, originalLen); + } + } + } // while(pTemplateStart) + return len; +} + + +/* + * File Response + * */ + +AsyncFileResponse::~AsyncFileResponse(){ + if(_content) + _content.close(); +} + +void AsyncFileResponse::_setContentType(const String& path){ + if (path.endsWith(".html")) _contentType = "text/html"; + else if (path.endsWith(".htm")) _contentType = "text/html"; + else if (path.endsWith(".css")) _contentType = "text/css"; + else if (path.endsWith(".json")) _contentType = "application/json"; + else if (path.endsWith(".js")) _contentType = "application/javascript"; + else if (path.endsWith(".png")) _contentType = "image/png"; + else if (path.endsWith(".gif")) _contentType = "image/gif"; + else if (path.endsWith(".jpg")) _contentType = "image/jpeg"; + else if (path.endsWith(".ico")) _contentType = "image/x-icon"; + else if (path.endsWith(".svg")) _contentType = "image/svg+xml"; + else if (path.endsWith(".eot")) _contentType = "font/eot"; + else if (path.endsWith(".woff")) _contentType = "font/woff"; + else if (path.endsWith(".woff2")) _contentType = "font/woff2"; + else if (path.endsWith(".ttf")) _contentType = "font/ttf"; + else if (path.endsWith(".xml")) _contentType = "text/xml"; + else if (path.endsWith(".pdf")) _contentType = "application/pdf"; + else if (path.endsWith(".zip")) _contentType = "application/zip"; + else if(path.endsWith(".gz")) _contentType = "application/x-gzip"; + else _contentType = "text/plain"; +} + +AsyncFileResponse::AsyncFileResponse(FS &fs, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback): AsyncAbstractResponse(callback){ + _code = 200; + _path = path; + + if(!download && !fs.exists(_path) && fs.exists(_path+".gz")){ + _path = _path+".gz"; + addHeader("Content-Encoding", "gzip"); + _callback = nullptr; // Unable to process zipped templates + _sendContentLength = true; + _chunked = false; + } + + _content = fs.open(_path, "r"); + _contentLength = _content.size(); + + if(contentType == "") + _setContentType(path); + else + _contentType = contentType; + + int filenameStart = path.lastIndexOf('/') + 1; + char buf[26+path.length()-filenameStart]; + char* filename = (char*)path.c_str() + filenameStart; + + if(download) { + // set filename and force download + snprintf(buf, sizeof (buf), "attachment; filename=\"%s\"", filename); + } else { + // set filename and force rendering + snprintf(buf, sizeof (buf), "inline; filename=\"%s\"", filename); + } + addHeader("Content-Disposition", buf); +} + +AsyncFileResponse::AsyncFileResponse(File content, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback): AsyncAbstractResponse(callback){ + _code = 200; + _path = path; + + if(!download && String(content.name()).endsWith(".gz") && !path.endsWith(".gz")){ + addHeader("Content-Encoding", "gzip"); + _callback = nullptr; // Unable to process gzipped templates + _sendContentLength = true; + _chunked = false; + } + + _content = content; + _contentLength = _content.size(); + + if(contentType == "") + _setContentType(path); + else + _contentType = contentType; + + int filenameStart = path.lastIndexOf('/') + 1; + char buf[26+path.length()-filenameStart]; + char* filename = (char*)path.c_str() + filenameStart; + + if(download) { + snprintf(buf, sizeof (buf), "attachment; filename=\"%s\"", filename); + } else { + snprintf(buf, sizeof (buf), "inline; filename=\"%s\"", filename); + } + addHeader("Content-Disposition", buf); +} + +size_t AsyncFileResponse::_fillBuffer(uint8_t *data, size_t len){ + return _content.read(data, len); +} + +/* + * Stream Response + * */ + +AsyncStreamResponse::AsyncStreamResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback): AsyncAbstractResponse(callback) { + _code = 200; + _content = &stream; + _contentLength = len; + _contentType = contentType; +} + +size_t AsyncStreamResponse::_fillBuffer(uint8_t *data, size_t len){ + size_t available = _content->available(); + size_t outLen = (available > len)?len:available; + size_t i; + for(i=0;iread(); + return outLen; +} + +/* + * Callback Response + * */ + +AsyncCallbackResponse::AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback): AsyncAbstractResponse(templateCallback) { + _code = 200; + _content = callback; + _contentLength = len; + if(!len) + _sendContentLength = false; + _contentType = contentType; + _filledLength = 0; +} + +size_t AsyncCallbackResponse::_fillBuffer(uint8_t *data, size_t len){ + size_t ret = _content(data, len, _filledLength); + if(ret != RESPONSE_TRY_AGAIN){ + _filledLength += ret; + } + return ret; +} + +/* + * Chunked Response + * */ + +AsyncChunkedResponse::AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor processorCallback): AsyncAbstractResponse(processorCallback) { + _code = 200; + _content = callback; + _contentLength = 0; + _contentType = contentType; + _sendContentLength = false; + _chunked = true; + _filledLength = 0; +} + +size_t AsyncChunkedResponse::_fillBuffer(uint8_t *data, size_t len){ + size_t ret = _content(data, len, _filledLength); + if(ret != RESPONSE_TRY_AGAIN){ + _filledLength += ret; + } + return ret; +} + +/* + * Progmem Response + * */ + +AsyncProgmemResponse::AsyncProgmemResponse(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback): AsyncAbstractResponse(callback) { + _code = code; + _content = content; + _contentType = contentType; + _contentLength = len; + _readLength = 0; +} + +size_t AsyncProgmemResponse::_fillBuffer(uint8_t *data, size_t len){ + size_t left = _contentLength - _readLength; + if (left > len) { + memcpy_P(data, _content + _readLength, len); + _readLength += len; + return len; + } + memcpy_P(data, _content + _readLength, left); + _readLength += left; + return left; +} + + +/* + * Response Stream (You can print/write/printf to it, up to the contentLen bytes) + * */ + +AsyncResponseStream::AsyncResponseStream(const String& contentType, size_t bufferSize){ + _code = 200; + _contentLength = 0; + _contentType = contentType; + _content = new cbuf(bufferSize); +} + +AsyncResponseStream::~AsyncResponseStream(){ + delete _content; +} + +size_t AsyncResponseStream::_fillBuffer(uint8_t *buf, size_t maxLen){ + return _content->read((char*)buf, maxLen); +} + +size_t AsyncResponseStream::write(const uint8_t *data, size_t len){ + if(_started()) + return 0; + + if(len > _content->room()){ + size_t needed = len - _content->room(); + _content->resizeAdd(needed); + } + size_t written = _content->write((const char*)data, len); + _contentLength += written; + return written; +} + +size_t AsyncResponseStream::write(uint8_t data){ + return write(&data, 1); +} diff --git a/Lib_backup/WebServer.cpp b/Lib_backup/WebServer.cpp new file mode 100644 index 0000000..95c2dd6 --- /dev/null +++ b/Lib_backup/WebServer.cpp @@ -0,0 +1,193 @@ +/* + Asynchronous WebServer library for Espressif MCUs + + Copyright (c) 2016 Hristo Gochkov. All rights reserved. + This file is part of the esp8266 core for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include "ESPAsyncWebServer.h" +#include "WebHandlerImpl.h" + +bool ON_STA_FILTER(AsyncWebServerRequest *request) { + return WiFi.localIP() == request->client()->localIP(); +} + +bool ON_AP_FILTER(AsyncWebServerRequest *request) { + return WiFi.localIP() != request->client()->localIP(); +} + + +AsyncWebServer::AsyncWebServer(uint16_t port) + : _server(port) + , _rewrites(LinkedList([](AsyncWebRewrite* r){ delete r; })) + , _handlers(LinkedList([](AsyncWebHandler* h){ delete h; })) +{ + _catchAllHandler = new AsyncCallbackWebHandler(); + if(_catchAllHandler == NULL) + return; + _server.onClient([](void *s, AsyncClient* c){ + if(c == NULL) + return; + c->setRxTimeout(3); + AsyncWebServerRequest *r = new AsyncWebServerRequest((AsyncWebServer*)s, c); + if(r == NULL){ + c->close(true); + c->free(); + delete c; + } + }, this); +} + +AsyncWebServer::~AsyncWebServer(){ + reset(); + end(); + if(_catchAllHandler) delete _catchAllHandler; +} + +AsyncWebRewrite& AsyncWebServer::addRewrite(AsyncWebRewrite* rewrite){ + _rewrites.add(rewrite); + return *rewrite; +} + +bool AsyncWebServer::removeRewrite(AsyncWebRewrite *rewrite){ + return _rewrites.remove(rewrite); +} + +AsyncWebRewrite& AsyncWebServer::rewrite(const char* from, const char* to){ + return addRewrite(new AsyncWebRewrite(from, to)); +} + +AsyncWebHandler& AsyncWebServer::addHandler(AsyncWebHandler* handler){ + _handlers.add(handler); + return *handler; +} + +bool AsyncWebServer::removeHandler(AsyncWebHandler *handler){ + return _handlers.remove(handler); +} + +void AsyncWebServer::begin(){ + _server.setNoDelay(true); + _server.begin(); +} + +void AsyncWebServer::end(){ + _server.end(); +} + +#if ASYNC_TCP_SSL_ENABLED +void AsyncWebServer::onSslFileRequest(AcSSlFileHandler cb, void* arg){ + _server.onSslFileRequest(cb, arg); +} + +void AsyncWebServer::beginSecure(const char *cert, const char *key, const char *password){ + _server.beginSecure(cert, key, password); +} +#endif + +void AsyncWebServer::_handleDisconnect(AsyncWebServerRequest *request){ + delete request; +} + +void AsyncWebServer::_rewriteRequest(AsyncWebServerRequest *request){ + for(const auto& r: _rewrites){ + if (r->match(request)){ + request->_url = r->toUrl(); + request->_addGetParams(r->params()); + } + } +} + +void AsyncWebServer::_attachHandler(AsyncWebServerRequest *request){ + for(const auto& h: _handlers){ + if (h->filter(request) && h->canHandle(request)){ + request->setHandler(h); + return; + } + } + + request->addInterestingHeader("ANY"); + request->setHandler(_catchAllHandler); +} + + +AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody){ + AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler(); + handler->setUri(uri); + handler->setMethod(method); + handler->onRequest(onRequest); + handler->onUpload(onUpload); + handler->onBody(onBody); + addHandler(handler); + return *handler; +} + +AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload){ + AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler(); + handler->setUri(uri); + handler->setMethod(method); + handler->onRequest(onRequest); + handler->onUpload(onUpload); + addHandler(handler); + return *handler; +} + +AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest){ + AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler(); + handler->setUri(uri); + handler->setMethod(method); + handler->onRequest(onRequest); + addHandler(handler); + return *handler; +} + +AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, ArRequestHandlerFunction onRequest){ + AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler(); + handler->setUri(uri); + handler->onRequest(onRequest); + addHandler(handler); + return *handler; +} + +AsyncStaticWebHandler& AsyncWebServer::serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control){ + AsyncStaticWebHandler* handler = new AsyncStaticWebHandler(uri, fs, path, cache_control); + addHandler(handler); + return *handler; +} + +void AsyncWebServer::onNotFound(ArRequestHandlerFunction fn){ + _catchAllHandler->onRequest(fn); +} + +void AsyncWebServer::onFileUpload(ArUploadHandlerFunction fn){ + _catchAllHandler->onUpload(fn); +} + +void AsyncWebServer::onRequestBody(ArBodyHandlerFunction fn){ + _catchAllHandler->onBody(fn); +} + +void AsyncWebServer::reset(){ + _rewrites.free(); + _handlers.free(); + + if (_catchAllHandler != NULL){ + _catchAllHandler->onRequest(NULL); + _catchAllHandler->onUpload(NULL); + _catchAllHandler->onBody(NULL); + } +} + diff --git a/Lib_backup/edit.htm b/Lib_backup/edit.htm new file mode 100644 index 0000000..43d4984 --- /dev/null +++ b/Lib_backup/edit.htm @@ -0,0 +1,627 @@ + + + + +ESP Editor + + + + + + +
+
+
+
+ + + + diff --git a/data/index.html b/data/index.html new file mode 100644 index 0000000..f6c18d7 --- /dev/null +++ b/data/index.html @@ -0,0 +1,26 @@ + + + + + + + + + + + + +

Value : %STATE

+ + + + + + + + + + + + + \ No newline at end of file diff --git a/data/style.css b/data/style.css new file mode 100644 index 0000000..a96f591 --- /dev/null +++ b/data/style.css @@ -0,0 +1 @@ +/* Put your css stuff here, it should be no different than the usual as long as it's linked in the .html */ \ No newline at end of file diff --git a/platformio.ini b/platformio.ini index 85f067b..c6b871a 100644 --- a/platformio.ini +++ b/platformio.ini @@ -12,9 +12,22 @@ platform = espressif32 board = upesy_wroom framework = arduino -lib_deps = adafruit/Adafruit MPU6050@^2.2.6 +lib_deps = + adafruit/Adafruit MPU6050@^2.2.6 + esphome/ESPAsyncWebServer-esphome@^3.1.0 -; How to change bit-per-second rate for your project: -; Add right under [env:upesy_wroom]: -; "monitor_speed = x" (without the "") -; x == baudrate of selected choice, bsp: 115200, 8000, 300 \ No newline at end of file +; When using SPIFFS, we once more have to add something here: + +board_build.partitions = src/default_2MB.csv ; Replace after the "=" with the link to the csv file. + ; Which doesn't have to be in src if you dislike the src folder being too cramped. + +; Great! Now you have SPIFFS all set up and ready to use. +; But wait, the compilation fails? +; Indeed it does. PlatformIO wants you to MANUALLY build the SPIFFS filesystem. +; Click on the PlatformIO Icon in the sidebar, and check out "Project tasks". From there, do these simple things step by step: +; -> "upesy_wroom" (or whatever board image you are using) -> "Platform" -> "Build Filesystem Image" +; Wait for the build to complete... +; -> "Upload Filesystem Image" + +; And now you are done. The earlier steps I just described might not work when the .csv is incorrect or faulty, or too little / much memory is used. +; If correcting the uploaded, click "Erase Flash" first before rebuilding and flashing the ESP new. \ No newline at end of file diff --git a/src/SPIFFSEditor.cpp b/src/SPIFFSEditor.cpp new file mode 100644 index 0000000..0a0ed37 --- /dev/null +++ b/src/SPIFFSEditor.cpp @@ -0,0 +1,544 @@ +#include +#include + +//File: edit.htm.gz, Size: 4151 +#define edit_htm_gz_len 4151 +const uint8_t edit_htm_gz[] PROGMEM = { + 0x1F, 0x8B, 0x08, 0x08, 0xB8, 0x94, 0xB1, 0x59, 0x00, 0x03, 0x65, 0x64, 0x69, 0x74, 0x2E, 0x68, + 0x74, 0x6D, 0x00, 0xB5, 0x3A, 0x0B, 0x7B, 0xDA, 0xB8, 0xB2, 0x7F, 0xC5, 0x71, 0xCF, 0x66, 0xED, + 0x83, 0x31, 0x90, 0xA4, 0xD9, 0xD6, 0xC4, 0xC9, 0x42, 0x92, 0x36, 0x6D, 0xF3, 0x6A, 0x80, 0xB6, + 0x69, 0x4F, 0xEE, 0x7E, 0xC2, 0x16, 0xA0, 0xC6, 0x96, 0x5D, 0x5B, 0x0E, 0x49, 0x59, 0xFE, 0xFB, + 0x9D, 0x91, 0x6C, 0xB0, 0x09, 0x69, 0x77, 0xCF, 0xBD, 0xBB, 0xDD, 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0xD3, 0x68, 0x78, 0x3E, 0xFF, 0x9A, 0x42, 0x19, 0x1D, 0x65, 0xFE, 0x28, 0x20, + 0x09, 0xC5, 0x82, 0xA3, 0x41, 0xBE, 0x92, 0xFB, 0x46, 0xC0, 0x86, 0x69, 0x03, 0x93, 0x6D, 0xCB, + 0xDE, 0xB2, 0x77, 0x71, 0x64, 0x7F, 0x4D, 0xF7, 0x57, 0x4F, 0xD8, 0x5F, 0x34, 0x69, 0x58, 0x0B, + 0xE7, 0xB5, 0xAB, 0x8A, 0x4D, 0x6A, 0x83, 0xFB, 0xC4, 0xA7, 0x70, 0x3D, 0x6F, 0xB3, 0xCC, 0xB6, + 0x1A, 0xE4, 0x5F, 0x60, 0xD4, 0x31, 0xBA, 0x95, 0x2F, 0x92, 0xF4, 0x81, 0x7B, 0x18, 0x5B, 0x17, + 0x54, 0x26, 0x70, 0x49, 0xD5, 0x87, 0x34, 0xB9, 0xD3, 0x9C, 0x2F, 0x39, 0xC3, 0xB7, 0x3C, 0xA8, + 0x03, 0xE4, 0x37, 0x9C, 0x72, 0x39, 0xB0, 0xBF, 0x07, 0x5D, 0x33, 0x2A, 0x41, 0x79, 0xB1, 0x26, + 0x9B, 0xE6, 0x7C, 0x02, 0x82, 0x01, 0x70, 0xB1, 0xA3, 0x48, 0xCD, 0x2B, 0xCB, 0x98, 0x9B, 0x57, + 0x96, 0x54, 0xE2, 0x5F, 0x59, 0xCC, 0xDB, 0x9F, 0xFC, 0xDB, 0x4C, 0xF9, 0x7F, 0x5B, 0x28, 0x36, + 0x32, 0xF9, 0xE1, 0x09, 0xF7, 0x56, 0x3F, 0x45, 0xAD, 0x47, 0x51, 0xBB, 0xF7, 0xFF, 0x17, 0x53, + 0xE8, 0x9D, 0x36, 0x92, 0x29, 0x00, 0x00 +}; + +#define SPIFFS_MAXLENGTH_FILEPATH 32 +const char *excludeListFile = "/.exclude.files"; + +typedef struct ExcludeListS { + char *item; + ExcludeListS *next; +} ExcludeList; + +static ExcludeList *excludes = NULL; + +static bool matchWild(const char *pattern, const char *testee) { + const char *nxPat = NULL, *nxTst = NULL; + + while (*testee) { + if (( *pattern == '?' ) || (*pattern == *testee)){ + pattern++;testee++; + continue; + } + if (*pattern=='*'){ + nxPat=pattern++; nxTst=testee; + continue; + } + if (nxPat){ + pattern = nxPat+1; testee=++nxTst; + continue; + } + return false; + } + while (*pattern=='*'){pattern++;} + return (*pattern == 0); +} + +static bool addExclude(const char *item){ + size_t len = strlen(item); + if(!len){ + return false; + } + ExcludeList *e = (ExcludeList *)malloc(sizeof(ExcludeList)); + if(!e){ + return false; + } + e->item = (char *)malloc(len+1); + if(!e->item){ + free(e); + return false; + } + memcpy(e->item, item, len+1); + e->next = excludes; + excludes = e; + return true; +} + +static void loadExcludeList(fs::FS &_fs, const char *filename){ + static char linebuf[SPIFFS_MAXLENGTH_FILEPATH]; + fs::File excludeFile=_fs.open(filename, "r"); + if(!excludeFile){ + //addExclude("/*.js.gz"); + return; + } +#ifdef ESP32 + if(excludeFile.isDirectory()){ + excludeFile.close(); + return; + } +#endif + if (excludeFile.size() > 0){ + uint8_t idx; + bool isOverflowed = false; + while (excludeFile.available()){ + linebuf[0] = '\0'; + idx = 0; + int lastChar; + do { + lastChar = excludeFile.read(); + if(lastChar != '\r'){ + linebuf[idx++] = (char) lastChar; + } + } while ((lastChar >= 0) && (lastChar != '\n') && (idx < SPIFFS_MAXLENGTH_FILEPATH)); + + if(isOverflowed){ + isOverflowed = (lastChar != '\n'); + continue; + } + isOverflowed = (idx >= SPIFFS_MAXLENGTH_FILEPATH); + linebuf[idx-1] = '\0'; + if(!addExclude(linebuf)){ + excludeFile.close(); + return; + } + } + } + excludeFile.close(); +} + +static bool isExcluded(fs::FS &_fs, const char *filename) { + if(excludes == NULL){ + loadExcludeList(_fs, excludeListFile); + } + ExcludeList *e = excludes; + while(e){ + if (matchWild(e->item, filename)){ + return true; + } + e = e->next; + } + return false; +} + +// WEB HANDLER IMPLEMENTATION + +#ifdef ESP32 +SPIFFSEditor::SPIFFSEditor(const fs::FS& fs, const String& username, const String& password) +#else +SPIFFSEditor::SPIFFSEditor(const String& username, const String& password, const fs::FS& fs) +#endif +:_fs(fs) +,_username(username) +,_password(password) +,_authenticated(false) +,_startTime(0) +{} + +bool SPIFFSEditor::canHandle(AsyncWebServerRequest *request){ + if(request->url().equalsIgnoreCase("/edit")){ + if(request->method() == HTTP_GET){ + if(request->hasParam("list")) + return true; + if(request->hasParam("edit")){ + request->_tempFile = _fs.open(request->arg("edit"), "r"); + if(!request->_tempFile){ + return false; + } +#ifdef ESP32 + if(request->_tempFile.isDirectory()){ + request->_tempFile.close(); + return false; + } +#endif + } + if(request->hasParam("download")){ + request->_tempFile = _fs.open(request->arg("download"), "r"); + if(!request->_tempFile){ + return false; + } +#ifdef ESP32 + if(request->_tempFile.isDirectory()){ + request->_tempFile.close(); + return false; + } +#endif + } + request->addInterestingHeader("If-Modified-Since"); + return true; + } + else if(request->method() == HTTP_POST) + return true; + else if(request->method() == HTTP_DELETE) + return true; + else if(request->method() == HTTP_PUT) + return true; + + } + return false; +} + + +void SPIFFSEditor::handleRequest(AsyncWebServerRequest *request){ + if(_username.length() && _password.length() && !request->authenticate(_username.c_str(), _password.c_str())) + return request->requestAuthentication(); + + if(request->method() == HTTP_GET){ + if(request->hasParam("list")){ + String path = request->getParam("list")->value(); +#ifdef ESP32 + File dir = _fs.open(path); +#else + Dir dir = _fs.openDir(path); +#endif + path = String(); + String output = "["; +#ifdef ESP32 + File entry = dir.openNextFile(); + while(entry){ +#else + while(dir.next()){ + fs::File entry = dir.openFile("r"); +#endif + if (isExcluded(_fs, entry.name())) { +#ifdef ESP32 + entry = dir.openNextFile(); +#endif + continue; + } + if (output != "[") output += ','; + output += "{\"type\":\""; + output += "file"; + output += "\",\"name\":\""; + output += String(entry.name()); + output += "\",\"size\":"; + output += String(entry.size()); + output += "}"; +#ifdef ESP32 + entry = dir.openNextFile(); +#else + entry.close(); +#endif + } +#ifdef ESP32 + dir.close(); +#endif + output += "]"; + request->send(200, "application/json", output); + output = String(); + } + else if(request->hasParam("edit") || request->hasParam("download")){ + request->send(request->_tempFile, request->_tempFile.name(), String(), request->hasParam("download")); + } + else { + const char * buildTime = __DATE__ " " __TIME__ " GMT"; + if (request->header("If-Modified-Since").equals(buildTime)) { + request->send(304); + } else { + AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", edit_htm_gz, edit_htm_gz_len); + response->addHeader("Content-Encoding", "gzip"); + response->addHeader("Last-Modified", buildTime); + request->send(response); + } + } + } else if(request->method() == HTTP_DELETE){ + if(request->hasParam("path", true)){ + _fs.remove(request->getParam("path", true)->value()); + request->send(200, "", "DELETE: "+request->getParam("path", true)->value()); + } else + request->send(404); + } else if(request->method() == HTTP_POST){ + if(request->hasParam("data", true, true) && _fs.exists(request->getParam("data", true, true)->value())) + request->send(200, "", "UPLOADED: "+request->getParam("data", true, true)->value()); + else + request->send(500); + } else if(request->method() == HTTP_PUT){ + if(request->hasParam("path", true)){ + String filename = request->getParam("path", true)->value(); + if(_fs.exists(filename)){ + request->send(200); + } else { + fs::File f = _fs.open(filename, "w"); + if(f){ + f.write((uint8_t)0x00); + f.close(); + request->send(200, "", "CREATE: "+filename); + } else { + request->send(500); + } + } + } else + request->send(400); + } +} + +void SPIFFSEditor::handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final){ + if(!index){ + if(!_username.length() || request->authenticate(_username.c_str(),_password.c_str())){ + _authenticated = true; + request->_tempFile = _fs.open(filename, "w"); + _startTime = millis(); + } + } + if(_authenticated && request->_tempFile){ + if(len){ + request->_tempFile.write(data,len); + } + if(final){ + request->_tempFile.close(); + } + } +} diff --git a/src/SPIFFSEditor.h b/src/SPIFFSEditor.h new file mode 100644 index 0000000..3586429 --- /dev/null +++ b/src/SPIFFSEditor.h @@ -0,0 +1,24 @@ +#ifndef SPIFFSEditor_H_ +#define SPIFFSEditor_H_ +#include + +class SPIFFSEditor: public AsyncWebHandler { + private: + fs::FS _fs; + String _username; + String _password; + bool _authenticated; + uint32_t _startTime; + public: +#ifdef ESP32 + SPIFFSEditor(const fs::FS& fs, const String& username=String(), const String& password=String()); +#else + SPIFFSEditor(const String& username=String(), const String& password=String(), const fs::FS& fs=SPIFFS); +#endif + virtual bool canHandle(AsyncWebServerRequest *request) override final; + virtual void handleRequest(AsyncWebServerRequest *request) override final; + virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final; + virtual bool isRequestHandlerTrivial() override final {return false;} +}; + +#endif diff --git a/src/default_2MB.csv b/src/default_2MB.csv new file mode 100644 index 0000000..57b0f63 --- /dev/null +++ b/src/default_2MB.csv @@ -0,0 +1,43 @@ +# Name, Type, SubType, Offset, Size, Flags +nvs, data, nvs, 0x9000, 0x5000, +#otadata, data, ota, 0xe000, 0x2000, +app0, app, ota_0, 0x10000, 0x130000, +#app1, app, ota_1, 0x150000, 0x140000, +spiffs, data, spiffs, , 0x200000, +coredump, data, coredump, , 0x10000 + +# Now... you might think to yourself: "What the hell am I seeing?" +# To that, I have an answer. Here the flash memory is parted and divided for your ESP. What you are seeing in this file +# is not the default for how the ESP partitioned, and only should be used for the ESP32 S1 for now since it has 2MB flash memory. +# If you're feeling extremely motivated, you can add memory by adding hardware to the ESP, but for your usual Website hosting, this should +# be more than enough. +# If needed, adjust the Size limit to free or gain more memory. + +# Now, how do you work with this... +# You can erase the ones listed or comment them out with "#" if you'd like to free the memory again and make it available for other uses. +# Be careful with that, as some of these partitions are necessary for your programm to work and be saved as well. (app0 !!!!!) +# "coredump" might also be necessary since all the errors might cause issues otherwise. +# Everything else is replaceable, delete-ble, and not as important. Such as "otadata", which is not something you need if you constantly install +# your programm via Serial communication over the USB (default for cable, else possible over Wlan). + +# The Offset can be entirely unimportant if you leave it blank, as it's where a memory begins, and just automatically fills if you don't put a value in. +# Size is how much memory you want to allocate, but I'd advice you to keep each as more short and compact and shortened to what is needed, aside from "app0". +# SPIFFS is already noted down and doesn't appear as default, so put it there and put "data" as type. It will automatically give your programm in "main.cpp" the awareness +# of other folders existing, and for the AsyncWebServer instance to use. +# SubType is also important when it comes to spiffs, so put "spiffs" as well there. +# Leave flags empty if not necessarily needed for something specific. + +# This is the usual csv layout template if you need it: + +# Name Type SubType Offset Size Flags +# nvs data, nvs, 0x9000, 0x5000, +# otadata, data, ota, 0xe000, 0x2000, +# app0, app, ota_0, 0x10000, 0x140000, +# app1, app, ota_1, 0x150000, 0x140000, +# spiffs, data, spiffs, 0x290000, 0x160000, +# coredump, data, coredump, 0x3F0000, 0x10000 + +# Uncomment when used, leave the "Name Type ..." commented though. + +# And that's all you need to know about csv for now for you to manage! +# Check .ini file for further instructions next. \ No newline at end of file diff --git a/src/main.cpp b/src/main.cpp index cfeb940..13ae6c1 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,141 +1,102 @@ //--------------------------------------------------------------------------------------------------------------------------// -// Setting up the Adafruit_MPU6050 library for the accelerator chip +// Setting up WLAN and a Webserver //--------------------------------------------------------------------------------------------------------------------------// -// Check the other guide in the .docx as to how to INSTALL the necessary library // +// There is multiple ways of doing this, so this is just one option. +// This is how to set up an Asyncronous Websever, for displaying, sending, etc -// Must be included for most things! // -#include // Only include once of course. -#include -#include +// Quick note: The WiFi functions can uptake certain pins, making them unavailable for other manual use -// Create instance of the sensor library // -Adafruit_MPU6050 mpu; +#include +#include // Neccessary whenever you're planning on using WiFi -void setup() +// Include Webserver Library if planning on using // +#include // Not found? + // No problem. To install it, follow the instructions in the .docx, just replace the name with "esp ayncwebsever" + // to get the right results. + // Select the correct one, Author is "ESPHome Team" + // There may be some issues with the library at one point, so + // if that's the case, do it the manual way. + // That means throwing everything I put in a folder called "Lib_backup", cut out it's contents and add them + // to your source folder. + // That method for sure is foolproof. + +#include // IF you are planning on hosting an html page with or without css, this is the correct way of doing it. +#include // Necessary to go along with this, copy "SPIFFSEditor.cpp" AND "SPIFFSEditor.h" from the src folder if needed. (You'll notice when using !SPIFFS) + +// Set necessary variables, can also be phrased as "#define ..." // +const char* _ssid = "Here the name of your WiFi"; // For example: "cpsLabor2.4" +const char* _password = "password to that WiFi here"; + +// Create an instance of the Webserver library / class // +AsyncWebServer server(80); + +// Now, if you want to send and update the page and need values from your running programm, you'll need a "processor" function. +String processor(const String& _var) { - Serial.begin(115200); // For Serial communication, check if the right bit-per-second rate is selected! - // If you want to change said bit-per-second, look in the .ini file for information. - // How do you know the one selected does not work / there's something wrong in the .ini file? - // Check the terminal, if that is the case everything printed is Unicode gibberish. - - while(!Serial) delay(10); // Wait until the Serial communication is set up and initialized. - Serial.println("Starting..."); - - if(!mpu.begin()) // Exception for the case of the mpu not starting up + Serial.println(_var); + if(_var == "STATE") // == Keyword from html { - // If this is the case, check the wiring and whether or not the right pins are connected. - // Another issue that could lead to this is too little or too much current going through the chip. - Serial.println("Failed to find MPU6050 chip."); - while(1) - { - delay(10); - } + return ""; // Value to be handed over to the html file for displaying } - Serial.println("MPU6050 has been found."); + return String(); +} +// It's important to note that the value being handed over is in the String format, so be careful not to hand over anything else. +// (The reason for that? HTML displays all the text as Strings, and therefor does not expect integer or floats for example.) - mpu.setAccelerometerRange(MPU6050_RANGE_8_G); // Set to the range of your choice for the accelerator values - // depending on the range you want your read in values to vary in. - Serial.println("Accelerator range set to: "); - switch(mpu.getAccelerometerRange()) // Check setting and print for insight. +void setup() +{ + // Set up Spiffs, initializing it // + if(!SPIFFS.begin(true)) { - case MPU6050_RANGE_2_G: - Serial.println("+-2G"); - break; - case MPU6050_RANGE_4_G: - Serial.println("+-4G"); - break; - case MPU6050_RANGE_8_G: - Serial.println("+-8G"); - break; - case MPU6050_RANGE_16_G: - Serial.println("+-16G"); - break; + Serial.println("An Error has occured while mounting SPIFFS."); + return; } - mpu.setGyroRange(MPU6050_RANGE_500_DEG); - Serial.print("Gyro range set to: "); - switch (mpu.getGyroRange()) + WiFi.begin(_ssid, _password); // Start WLAN connection. + while(WiFi.status() != WL_CONNECTED) // Waiting for stable wifi connection. { - case MPU6050_RANGE_250_DEG: - Serial.println("+- 250 deg/s"); - break; - case MPU6050_RANGE_500_DEG: - Serial.println("+- 500 deg/s"); - break; - case MPU6050_RANGE_1000_DEG: - Serial.println("+- 1000 deg/s"); - break; - case MPU6050_RANGE_2000_DEG: - Serial.println("+- 2000 deg/s"); - break; + delay(1000); + Serial.println("Connecting to Wifi..."); } - mpu.setFilterBandwidth(MPU6050_BAND_21_HZ); - Serial.print("Filter bandwidth set to: "); - switch (mpu.getFilterBandwidth()) + Serial.println(WiFi.localIP()); // Print the IP assigned to the ESP. + + server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) // Upon call of the page IP (accessed through the ESP), receive a request. You can change this to auto update, look up if interested. { - case MPU6050_BAND_260_HZ: - Serial.println("260 Hz"); - break; - case MPU6050_BAND_184_HZ: - Serial.println("184 Hz"); - break; - case MPU6050_BAND_94_HZ: - Serial.println("94 Hz"); - break; - case MPU6050_BAND_44_HZ: - Serial.println("44 Hz"); - break; - case MPU6050_BAND_21_HZ: - Serial.println("21 Hz"); - break; - case MPU6050_BAND_10_HZ: - Serial.println("10 Hz"); - break; - case MPU6050_BAND_5_HZ: - Serial.println("5 Hz"); - break; - } + request->send(SPIFFS, "/index.html", String(), false, processor); // What should be called upon request? Index.html == Mainpage / html file. + }); + server.on("/style.css", HTTP_GET, [](AsyncWebServerRequest *request) // If the server wants a styling / supports one + { + request->send(SPIFFS, "/style.css", "text/css"); // Respond with the right css file, main for now. + }); - delay(100); - - // What is the difference between "void setup()" and "void loop()"? Why put all this in here? // - // The setup fuction is only initialized once, and though that's true for the entire lifetime of the programm, - // the started services continue to run in here on this threat, allowing the loop to be executed simultaniously. - // Mind, and that's IMPORTANT!!, that you should refer from using "while(1)" in this function as much as possible. - // (I'm aware there is one in here in this project, but only because it is handled correctly and carefully.) + // Start the server // + server.begin(); } -// Put your variables here for testing, otherwise I'd recommend putting it in a class // -float _x_accel = 0; // x acceleration -float _y_accel = 0; // y acceleration -float _calc = 0; // for calculations - -void loop() +void loop() { - // Save vals if you want to send them: // - sensors_event_t _a; - sensors_event_t _g; - sensors_event_t _temp; // Used as placeholder for now in the next function, even if you don't need temperature values. - mpu.getEvent(&_a, &_g, &_temp); // Reads in your values. +} - _x_accel = _a.acceleration.x; // acceleration in x. - _y_accel = _a.acceleration.y; // acceleration in y. +// Now... how do you use SPIFFS? // +// It's a bit harder to understand, but Spiffs is a filesystem that is compatible with microkontrollers like the ESP32. +// WATCH OUT!! It is NOT compatible with ESP S2, but ESP32 S1 can handle it more than well. +// You might think... why would I need that? +// If you want to host a Webserver and display a website, you can either write the HTML in the C code directly, which is not only tiresome, +// but also ineffecient (and it looks like throw up imo), or you store the html and css files, as well as any external sources such as pictures, in a new +// and organized folder called "data". And to work with that folder and it's contents, you need SPIFFS. - // Basic example for use // - _calc = _y_accel * 12.5; // Calculate postion if you want to. - if(_calc > 100) // reduce values if you only want values from (-100) - 100 for example - { - _calc = 100; - } - else if(_calc < (-100)) - { - _calc = (-100); - } +// First off all, create a new folder in your project and call it "data" like I mentioned. Leave it empty for now. +// In this project, there is already a "data" folder, so here it isn't needed anymore. In there, you store your html and css files, and whatever +// else you could need. +// Once done setting up Spiffs, go check out the contents of said folder! - // And done! // - // Mind that everything in this loop repeats itself over and over, only stopping until the programm fails to execute or // - // the current is cut. If you'd like to restart everything, press the little button titled "RST" or "BOOT" (if the first does nothing) on the ESP. // -} \ No newline at end of file + +// But how do I set it up? // +// You first of all rearrange the partitions of your ESP in your project folder. For that, you need something called a ".csv" file, +// that helps you to divide your flash memory (You need to store your files there and nowhere else or they're gone) and helps you assign +// those partitions to certain uses. Such as OTA (over the air), or for example app assigned memory, coredump, etc etc + +// For that, check out the .csv file in this project and take it as a template. Read further there for more information. \ No newline at end of file