Developped new multi client tcp server as well as web server
This commit is contained in:
parent
cc8e517920
commit
4a98c5ebc6
@ -99,6 +99,7 @@ public:
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return cursor->_value;
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}
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T getLast()
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{
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T* p = getLastRef();
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@ -112,7 +113,7 @@ public:
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return value;
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}
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}
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T* removeRef(unsigned int index)
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{
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unsigned int position(0);
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82
src/software_test/tcpServer_test/TCPClient.cpp
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82
src/software_test/tcpServer_test/TCPClient.cpp
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@ -0,0 +1,82 @@
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#include "TCPClient.h"
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#define DEBUG_CL
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TCPClient::TCPClient(WiFiClient client, uint8_t id, uint16_t dataBufferSize) : _client(client),
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_clientState(NEW),
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_error(OK),
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_data(NULL),
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_dataSize(0),
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_dataBufferSize(dataBufferSize+1),
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_newDataAvailable(false),
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_id(id)
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{
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#ifdef DEBUG_CL
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Serial.println("TCPClient : Standard constructor called");
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#endif
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uint8_t *p = (uint8_t *) malloc(sizeof(uint8_t) * _dataBufferSize);
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if(p != NULL)
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_data = p;
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else
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_error = MALLOC_ERR;
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}
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TCPClient::TCPClient(const TCPClient &Object) : _client(Object._client),
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_clientState(Object._clientState),
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_error(Object._error),
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_data(NULL),
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_dataSize(Object._dataSize),
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_dataBufferSize(Object._dataBufferSize),
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_newDataAvailable(Object._newDataAvailable),
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_id(Object._id)
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{
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#ifdef DEBUG_CL
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Serial.println("TCPClient : Copy constructor called");
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#endif
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uint8_t *p = (uint8_t *) malloc(sizeof(uint8_t) * _dataBufferSize);
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if(p != NULL)
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{
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_data = p;
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memcpy(_data,Object._data,_dataSize);
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}
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else
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_error = MALLOC_ERR;
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}
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TCPClient::~TCPClient()
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{
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#ifdef DEBUG_CL
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Serial.println("TCPClient : Destructor called");
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#endif
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free(_data);
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}
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bool TCPClient::operator==(TCPClient& Object)
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{
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return this->_client == Object._client;
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}
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bool TCPClient::closeConnection()
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{
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_client.stop();
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}
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void TCPClient::freeDataBuffer(uint16_t size)
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{
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if(size > _dataBufferSize-1) size = _dataBufferSize - 1;
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uint16_t secureSize = size > _dataSize ? _dataSize : size;
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if(*(_data + secureSize) == '\0')
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{
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#ifdef DEBUG_CL
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Serial.println("Its the terminating string");
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#endif
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}
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strcpy((char *)_data, (char *)_data + secureSize);
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_dataSize -= secureSize;
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}
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34
src/software_test/tcpServer_test/TCPClient.h
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34
src/software_test/tcpServer_test/TCPClient.h
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@ -0,0 +1,34 @@
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#ifndef TCPCLIENT_H
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#define TCPCLIENT_H
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#include <ESP8266WiFi.h>
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//Forward class declaration
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template <typename T> class TCPServer;
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class TCPClient
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{
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template<typename T>
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friend class TCPServer;
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public:
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TCPClient(WiFiClient client, uint8_t id, uint16_t dataBufferSize = 255);
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TCPClient(const TCPClient &Object);
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virtual ~TCPClient();
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bool operator==(TCPClient& Object);
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bool closeConnection();
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protected:
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enum ClientState {NEW, HANDLED, DISCARDED} _clientState;
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enum Error {OK = 0, MALLOC_ERR = 1} _error;
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WiFiClient _client;
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uint8_t *_data; //The actual data
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uint16_t _dataSize; //The logic size of the data contained
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uint16_t _dataBufferSize; //The physic size of the buffer
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boolean _newDataAvailable;
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uint8_t _id;
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void freeDataBuffer(uint16_t size);
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private:
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};
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#endif //TCPCLIENT_H
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@ -1,117 +0,0 @@
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#include "TCPServer.h"
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#define DEBUG
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TCPServer::TCPServer(unsigned int port, uint8_t maxClient) : _wifiServer(port), _port(port), _serverStarted(true), _maxClient(maxClient), _currentClient(NULL)
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{
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_wifiServer.begin();
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}
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TCPServer::~TCPServer()
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{
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_clientList.dispose();
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}
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void TCPServer::runServer()
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{
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handleNewClients();
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getClientData();
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}
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void TCPServer::handleNewClients()
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{
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WiFiClient wc;
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if(_maxClient == -1 || _maxClient > _clientList.count())
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{
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wc = _wifiServer.available();
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}
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if(wc && wc.connected())
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{
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_clientList.addFirst(new TCPServerHelper::TCPServerClient({wc, TCPServerHelper::TCPServerClient::NEW,{'/0'},0,false,_clientList.count(),{TCPServerHelper::UNDEFINED, TCPServerHelper::UNKNOWN, TCPServerHelper::UNKNOWN_MIME, Dictionary<DictionaryHelper::StringEntity>(), Dictionary<DictionaryHelper::StringEntity>(), NULL,NULL},TCPServerHelper::HTTP_VERB}));
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#ifdef DEBUG
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Serial.print("New client accepted : ");Serial.println(_clientList.count()-1);
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#endif
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}
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_currentClient = _clientList.removeLastRef();//We pick a client in the list to process it's request
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}
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void TCPServer::getClientData()
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{
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if(_currentClient == NULL)
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{
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return;
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}
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uint32_t bytesAvailable((_currentClient->client).available());
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if(bytesAvailable)
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{
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if(_currentClient->dataSize < 255)
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{
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int freeSpace = (255-1/*for \0*/ - _currentClient->dataSize);
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int amountToBeRead = bytesAvailable < freeSpace ? bytesAvailable : freeSpace;//;bytesAvailable < 254 ? bytesAvailable : 254;
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_currentClient->client.read(_currentClient->data + _currentClient->dataSize, amountToBeRead);
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_currentClient->dataSize+=amountToBeRead;
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_currentClient->data[_currentClient->dataSize] = '\0';
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_currentClient->newDataAvailable = true;
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}
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}
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else if(!(_currentClient->client).connected())
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{
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#ifdef DEBUG
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Serial.print("Client can be discarded : ");Serial.println(_currentClient->id);
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#endif
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_currentClient->clientState = TCPServerHelper::TCPServerClient::DISCARDED;
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}
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if(_currentClient->dataSize > 0)
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{
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processClientData(_currentClient);//We process the actual data
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_currentClient->newDataAvailable = false;
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}
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if(_currentClient->clientState == TCPServerHelper::TCPServerClient::DISCARDED)
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{
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_currentClient->client.stop();
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#ifdef DEBUG
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Serial.print("Client was discarded : ");Serial.println(_currentClient->id);
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#endif
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delete _currentClient;
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_currentClient = NULL;
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return;
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}
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_clientList.addFirst(_currentClient);
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}
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void TCPServer::processClientData(TCPServerHelper::TCPServerClient *client)
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{
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Serial.print("Client --> ");Serial.print(client->id);Serial.print(" : ");Serial.println((char *)client->data);
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}
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uint8_t TCPServer::getMaxClient()
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{
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return _maxClient;
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}
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uint8_t TCPServer::getClientsCount()
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{
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return _clientList.count();
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}
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void TCPServer::startServer()
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{
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_serverStarted = true;
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}
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void TCPServer::stopServer()
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{
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_serverStarted = false;
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_clientList.dispose();
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}
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@ -1,86 +1,194 @@
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#ifndef TCPSERVER_H
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#define TCPSERVER_H
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include "List.h"
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#include "Dictionary.h"
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#include "TCPClient.h"
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#define MAX_CLIENT -1
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#define DEBUG
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namespace TCPServerHelper
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{
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enum HttpRequestMethod {UNDEFINED, GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS, TRACE, PATCH};
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enum HttpVersion {UNKNOWN, HTTP_0_9, HTTP_1_1, HTTP_1_0, HTTP_2_0};
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enum HttpMIMEType{UNKNOWN_MIME, TEXT_PLAIN, TEXT_CSS, TEXT_HTML, TEXT_JAVASCRIPT, APPLICATION_JSON, APPLICATION_X_WWW_FORM_URLENCODED, IMAGE_PNG, IMAGE_JPEG, AUDIO_MPEG, APPLICATION_OCTET_STREAM};
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enum HttpParserStatus {HTTP_VERB, HTTP_RESSOURCE, HTTP_VERSION, HTTP_PARAMS, POST_DATA};
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struct HttpRequestData
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{
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HttpRequestMethod HRM;
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HttpVersion HV;
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HttpMIMEType HMT;
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Dictionary<DictionaryHelper::StringEntity> getParams;
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Dictionary<DictionaryHelper::StringEntity> postParams;
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char *httpResource;
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char *httpBody;
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};
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struct TCPServerClient
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{
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WiFiClient client;
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enum ClientState {NEW, HANDLED, QUERY_PARSED, RESPONSE_SENT, DISCARDED} clientState;
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uint8_t data[255];
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uint16_t dataSize;
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boolean newDataAvailable;
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uint8_t id;
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HttpRequestData httpRequestData;
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HttpParserStatus httpParserState;
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bool operator==(TCPServerClient& Object){return this->client == Object.client;}
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void clearHttpRequestData(TCPServerHelper::HttpRequestData *httpRequestData)
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{
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free(httpRequestData->httpResource);free(httpRequestData->httpBody);
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httpRequestData->getParams.dispose();
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httpRequestData->postParams.dispose();
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}
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~TCPServerClient()
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{
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client.stop();
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clearHttpRequestData(&httpRequestData);
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}
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void freeDataBuffer(uint16_t size)
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{
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if(size > 254) size = 254;
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uint16_t secureSize = size > dataSize ? dataSize : size;
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strcpy((char *)data, (char *)data + secureSize);
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dataSize -= secureSize;
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}
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};
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}
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template <typename T>
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class TCPServer
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{
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public:
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TCPServer(unsigned int port = 80, uint8_t maxClient = MAX_CLIENT);
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~TCPServer();
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uint8_t getMaxClient();
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uint8_t getClientsCount();
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virtual void runServer();
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virtual void startServer();
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virtual void stopServer();
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TCPServer(unsigned int port = 80, uint8_t maxClient = MAX_CLIENT, uint16_t clientDataBufferSize = 255) : _wifiServer(port), _port(port), _serverStarted(true), _maxClient(maxClient), _clientDataBufferSize(clientDataBufferSize), _currentClient(NULL)
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{
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_wifiServer.begin();
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}
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virtual ~TCPServer()
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{
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_clientList.dispose();
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}
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uint8_t getMaxClient()
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{
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return _maxClient;
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}
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uint8_t getConnectedClientsCount()
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{
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return _clientList.count();
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}
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virtual void runServer()
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{
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handleNewClients();
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getClientData();
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}
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virtual void startServer()
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{
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if(!_serverStarted)
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{
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_wifiServer.begin();
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_serverStarted = true;
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}
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}
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virtual void stopServer()
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{
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if(_serverStarted)
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{
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_wifiServer.stop();
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_clientList.dispose();
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_serverStarted = false;
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}
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}
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protected:
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private:
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virtual void handleNewClients();
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virtual void getClientData();
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virtual void processClientData(TCPServerHelper::TCPServerClient *client);
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boolean _serverStarted;
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virtual T* createNewClient(WiFiClient wc)
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{
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return new T(wc, freeClientId(), _clientDataBufferSize);
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}
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virtual void handleNewClients()
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{
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WiFiClient wc;
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if(_maxClient == -1 || _maxClient > _clientList.count())
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{
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wc = _wifiServer.available();
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}
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if(wc && wc.connected())
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{
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T *clientPointer = createNewClient(wc);
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_clientList.addFirst(clientPointer);
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#ifdef DEBUG
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Serial.print("TCPServer : New client accepted : ");Serial.println(clientPointer->_id);
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#endif
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greetClient(clientPointer);
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}
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_currentClient = _clientList.removeLastRef();//We pick a client in the list to process it's request
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if(_currentClient != NULL)
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{
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if(_currentClient->_error != TCPClient::OK)
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{
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_currentClient->closeConnection();
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delete _currentClient; _currentClient = NULL;
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}
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}
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}
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virtual void greetClient(T *client)
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{
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client->_client.println(F("Successfully connected !"));
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client->_client.print(F("Your are client with id : "));
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client->_client.println(client->_id);
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}
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virtual void getClientData()
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{
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if(_currentClient == NULL)
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{
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return;
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}
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uint32_t bytesAvailable((_currentClient->_client).available());
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if(bytesAvailable)
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{
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uint16_t freeSpace = (_currentClient->_dataBufferSize-1/*for \0*/ - _currentClient->_dataSize);
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if(freeSpace != 0)
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{
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int amountToBeRead = bytesAvailable < freeSpace ? bytesAvailable : freeSpace;
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(_currentClient->_client).read(_currentClient->_data + _currentClient->_dataSize, amountToBeRead);
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_currentClient->_dataSize += amountToBeRead;
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_currentClient->_data[_currentClient->_dataSize] = '\0';
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_currentClient->_newDataAvailable = true;
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}
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}
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else if(!(_currentClient->_client).connected())
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{
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#ifdef DEBUG
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Serial.print("TCPServer : Client disconnected and can be discarded : ");Serial.println(_currentClient->_id);
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#endif
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_currentClient->_clientState = TCPClient::DISCARDED;
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}
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if(_currentClient->_dataSize > 0)
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{
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processClientData(_currentClient);//We process the actual data
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_currentClient->_newDataAvailable = false;
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}
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if(_currentClient->_clientState == TCPClient::ClientState::DISCARDED)
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{
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_currentClient->closeConnection();
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#ifdef DEBUG
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Serial.print("TCPServer : Client was discarded : ");Serial.println(_currentClient->_id);
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#endif
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delete _currentClient;
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_currentClient = NULL;
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return;
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}
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_clientList.addFirst(_currentClient);
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}
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virtual void processClientData(T *client)
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{
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if(client->_dataSize > 0 && ((char) client->_data[0] != '\r' && (char) client->_data[0] != '\n'))
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{
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Serial.print("Client --> ");Serial.print(client->_id);Serial.print(" : ");Serial.print((char *)client->_data);Serial.println("#");
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}
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client->freeDataBuffer(client->_dataSize);
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}
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uint8_t freeClientId()
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{
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int listCounter(_clientList.count());
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int freeId(0);
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for(int i(0); i < listCounter; i++)
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{
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if(_clientList.getRef(i)->_id == freeId)
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{
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freeId++;
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i = -1;
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}
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}
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return freeId;
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}
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boolean _serverStarted;
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uint8_t _maxClient;
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unsigned int _port;
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uint16_t _clientDataBufferSize;
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WiFiServer _wifiServer;
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TCPServerHelper::TCPServerClient *_currentClient; //current client to be processed
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List<TCPServerHelper::TCPServerClient> _clientList;
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T *_currentClient; //current client to be processed
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List<T> _clientList;
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private:
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};
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#endif //TCPSERVER_H
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@ -1,143 +0,0 @@
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#include "TCPWebServer.h"
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#define DEBUG
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TCPWebServer::TCPWebServer(unsigned int port, uint8_t maxClient) : TCPServer(port, maxClient)
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{
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}
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void debugInfo()
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{
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uint32_t freeMem;
|
||||
uint16_t biggestContigMemBlock;
|
||||
uint8_t frag;
|
||||
ESP.getHeapStats(&freeMem, &biggestContigMemBlock, &frag);
|
||||
Serial.print("Free MEM : ");Serial.println(freeMem);
|
||||
Serial.print("Heap Frag : ");Serial.println(frag);
|
||||
}
|
||||
|
||||
void TCPWebServer::processClientData(TCPServerHelper::TCPServerClient *client)
|
||||
{
|
||||
if(client->newDataAvailable)
|
||||
{
|
||||
switch(client->httpParserState)
|
||||
{
|
||||
case TCPServerHelper::HTTP_VERB:
|
||||
{
|
||||
char *pVerb = strstr((char *)client->data, " ");
|
||||
|
||||
if(pVerb != NULL)
|
||||
{
|
||||
*pVerb = '\0';
|
||||
client->httpRequestData.HRM = getHttpVerbEnumValue((char *)client->data);
|
||||
client->freeDataBuffer((pVerb - (char *)client->data) +1);
|
||||
#ifdef DEBUG
|
||||
Serial.print("Verb : ");Serial.println(client->httpRequestData.HRM);
|
||||
#endif
|
||||
client->httpParserState = TCPServerHelper::HttpParserStatus::HTTP_RESSOURCE;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case TCPServerHelper::HTTP_RESSOURCE:
|
||||
{
|
||||
char *pRsrc = strstr((char *)client->data, " ");
|
||||
|
||||
if(pRsrc != NULL)
|
||||
{
|
||||
*pRsrc = '\0';
|
||||
uint16_t length = pRsrc - (char *)client->data;
|
||||
client->httpRequestData.httpResource = (char *) malloc(sizeof(char) * length + 1 ); //for \0
|
||||
if(client->httpRequestData.httpResource != NULL)
|
||||
strcpy(client->httpRequestData.httpResource, (char *)client->data);
|
||||
else
|
||||
{
|
||||
client->clientState = TCPServerHelper::TCPServerClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
Serial.print("Resrc : ");Serial.println(client->httpRequestData.httpResource);
|
||||
#endif
|
||||
client->freeDataBuffer(length + 1);
|
||||
|
||||
client->httpParserState = TCPServerHelper::HttpParserStatus::HTTP_VERSION;
|
||||
}
|
||||
else if(client->dataSize == 254)
|
||||
{
|
||||
client->httpRequestData.httpResource = (char *) malloc(sizeof(char) * client->dataSize + 1 ); //for \0
|
||||
if(client->httpRequestData.httpResource != NULL)
|
||||
strcpy(client->httpRequestData.httpResource, (char *)client->data);
|
||||
else
|
||||
{
|
||||
client->clientState = TCPServerHelper::TCPServerClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
Serial.print("Resrc : ");Serial.println(client->httpRequestData.httpResource);
|
||||
#endif
|
||||
client->freeDataBuffer(client->dataSize);
|
||||
client->httpParserState = TCPServerHelper::HttpParserStatus::HTTP_VERSION;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case TCPServerHelper::HTTP_VERSION:
|
||||
{
|
||||
char *pEndline = strstr((char *)client->data, "\r\n");
|
||||
char *pVers = strstr((char *)client->data, "HTTP/");
|
||||
|
||||
if(pEndline != NULL && pVers!= NULL)
|
||||
{
|
||||
*pEndline = '\0';
|
||||
client->httpRequestData.HV = getHttpVersionEnumValue(pVers+5);
|
||||
#ifdef DEBUG
|
||||
Serial.print("Vers : ");Serial.println(pVers+5);
|
||||
Serial.print("Vers : ");Serial.println(client->httpRequestData.HV);
|
||||
#endif
|
||||
client->freeDataBuffer((pEndline - (char *)client->data)+2);
|
||||
client->clientState = TCPServerHelper::TCPServerClient::ClientState::DISCARDED;
|
||||
}
|
||||
else //If we do not find it, it's probably split at the end of the buffer, so we ignore some of the resource left over
|
||||
{
|
||||
client->freeDataBuffer(100);
|
||||
}
|
||||
}
|
||||
break;
|
||||
/*case TCPServerHelper::HTTP_PARAMS:
|
||||
break;
|
||||
case TCPServerHelper::POST_DATA:
|
||||
break;
|
||||
default :*/
|
||||
}
|
||||
/*Serial.print("WEB Client --> ");Serial.print(client->id);Serial.print(" : ");Serial.println((char *)client->data);
|
||||
client->freeDataBuffer(client->dataSize);*/
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
TCPServerHelper::HttpRequestMethod TCPWebServer::getHttpVerbEnumValue(const char *parseBuffer)
|
||||
{
|
||||
//UNDEFINED, GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS, TRACE, PATCH
|
||||
if(strcmp(parseBuffer,"GET") == 0){return TCPServerHelper::HttpRequestMethod::GET;}
|
||||
else if(strcmp(parseBuffer,"POST") == 0){return TCPServerHelper::HttpRequestMethod::POST;}
|
||||
else if(strcmp(parseBuffer,"HEAD") == 0){return TCPServerHelper::HttpRequestMethod::HEAD;}
|
||||
else if(strcmp(parseBuffer,"PUT") == 0){return TCPServerHelper::HttpRequestMethod::PUT;}
|
||||
else if(strcmp(parseBuffer,"DELETE") == 0){return TCPServerHelper::HttpRequestMethod::DELETE;}
|
||||
else if(strcmp(parseBuffer,"CONNECT") == 0){return TCPServerHelper::HttpRequestMethod::CONNECT;}
|
||||
else if(strcmp(parseBuffer,"TRACE") == 0){return TCPServerHelper::HttpRequestMethod::TRACE;}
|
||||
else if(strcmp(parseBuffer,"PATCH") == 0){return TCPServerHelper::HttpRequestMethod::PATCH;}
|
||||
else if(strcmp(parseBuffer,"OPTIONS") == 0){return TCPServerHelper::HttpRequestMethod::OPTIONS;}
|
||||
else
|
||||
return TCPServerHelper::HttpRequestMethod::UNDEFINED;
|
||||
}
|
||||
|
||||
TCPServerHelper::HttpVersion TCPWebServer::getHttpVersionEnumValue(const char *parseBuffer)
|
||||
{
|
||||
//HTTP_0_9, HTTP_1_1, HTTP_1_0, HTTP_2_0
|
||||
if(strcmp(parseBuffer,"1.1") == 0){return TCPServerHelper::HttpVersion::HTTP_1_1;}
|
||||
else if(strcmp(parseBuffer,"2.0") == 0){return TCPServerHelper::HttpVersion::HTTP_2_0;}
|
||||
else if(strcmp(parseBuffer,"1.0") == 0){return TCPServerHelper::HttpVersion::HTTP_1_0;}
|
||||
else if(strcmp(parseBuffer,"0.9") == 0){return TCPServerHelper::HttpVersion::HTTP_0_9;}
|
||||
else
|
||||
return TCPServerHelper::HttpVersion::UNKNOWN;
|
||||
}
|
||||
@ -1,17 +0,0 @@
|
||||
#ifndef TCPWEBSERVER_H
|
||||
#define TCPWEBSERVER_H
|
||||
|
||||
#include "TCPServer.h"
|
||||
|
||||
class TCPWebServer : public TCPServer
|
||||
{
|
||||
public:
|
||||
TCPWebServer(unsigned int port = 80, uint8_t maxClient = MAX_CLIENT);
|
||||
protected:
|
||||
private:
|
||||
virtual void processClientData(TCPServerHelper::TCPServerClient *client);
|
||||
TCPServerHelper::HttpRequestMethod getHttpVerbEnumValue(const char *parseBuffer);
|
||||
TCPServerHelper::HttpVersion getHttpVersionEnumValue(const char *parseBuffer);
|
||||
};
|
||||
|
||||
#endif //TCPWEBSERVER_H
|
||||
37
src/software_test/tcpServer_test/WEBClient.cpp
Normal file
37
src/software_test/tcpServer_test/WEBClient.cpp
Normal file
@ -0,0 +1,37 @@
|
||||
#include "WEBClient.h"
|
||||
|
||||
#define DEBUG_WEBCL
|
||||
|
||||
WEBClient::WEBClient(WiFiClient client, uint8_t id, uint16_t maxResourceBuffer, uint16_t maxBodyBuffer, uint16_t dataBufferSize) : TCPClient(client, id, dataBufferSize), _WEBClientState(WEBServer<WEBClient>::WEBClientState::ACCEPTED), _httpParserState(WEBServer<WEBClient>::HttpParserStatus::HTTP_VERB)
|
||||
{
|
||||
#ifdef DEBUG_WEBCL
|
||||
Serial.println("WEBClient : Standard constructor called");
|
||||
#endif
|
||||
|
||||
_httpRequestData.HRM = WEBServer<WEBClient>::HttpRequestMethod::UNDEFINED;
|
||||
_httpRequestData.HV = WEBServer<WEBClient>::HttpVersion::UNKNOWN;
|
||||
_httpRequestData.HMT = WEBServer<WEBClient>::HttpMIMEType::UNKNOWN_MIME;
|
||||
|
||||
_httpRequestData.getParamsDataPointer = NULL;
|
||||
_httpRequestData.postParamsDataPointer = NULL;
|
||||
|
||||
_httpRequestData.httpResource = NULL;
|
||||
_httpRequestData.maxResourceBuffer = maxResourceBuffer;
|
||||
_httpRequestData.httpBody = NULL;
|
||||
_httpRequestData.maxBodyBuffer = maxBodyBuffer;
|
||||
}
|
||||
|
||||
WEBClient::~WEBClient()
|
||||
{
|
||||
#ifdef DEBUG_WEBCL
|
||||
Serial.println("WEBClient : Destructor called");
|
||||
#endif
|
||||
clearHttpRequestData();
|
||||
}
|
||||
|
||||
void WEBClient::clearHttpRequestData()
|
||||
{
|
||||
free(_httpRequestData.httpResource);free(_httpRequestData.httpBody);
|
||||
_httpRequestData.getParams.dispose();
|
||||
_httpRequestData.postParams.dispose();
|
||||
}
|
||||
40
src/software_test/tcpServer_test/WEBClient.h
Normal file
40
src/software_test/tcpServer_test/WEBClient.h
Normal file
@ -0,0 +1,40 @@
|
||||
#ifndef WEBCLIENT_H
|
||||
#define WEBCLIENT_H
|
||||
|
||||
#include "WEBServer.h"
|
||||
#include "TCPClient.h"
|
||||
#include "Dictionary.h"
|
||||
|
||||
class WEBClient : public TCPClient
|
||||
{
|
||||
template <typename T>
|
||||
friend class WEBServer;
|
||||
public:
|
||||
WEBClient(WiFiClient client, uint8_t id, uint16_t maxResourceBuffer = 255, uint16_t maxBodyBuffer = 255, uint16_t dataBufferSize = 511);
|
||||
virtual ~WEBClient();
|
||||
protected:
|
||||
WEBServer<WEBClient>::WEBClientState _WEBClientState;
|
||||
private:
|
||||
struct HttpRequestData
|
||||
{
|
||||
WEBServer<WEBClient>::HttpRequestMethod HRM;
|
||||
WEBServer<WEBClient>::HttpVersion HV;
|
||||
WEBServer<WEBClient>::HttpMIMEType HMT;
|
||||
|
||||
Dictionary<DictionaryHelper::StringEntity> getParams;
|
||||
char *getParamsDataPointer; //Used in the getParams algorithm
|
||||
Dictionary<DictionaryHelper::StringEntity> postParams;
|
||||
char *postParamsDataPointer; //Used in the postParams algorithm
|
||||
|
||||
char *httpResource;
|
||||
uint16_t maxResourceBuffer;
|
||||
char *httpBody;
|
||||
uint16_t maxBodyBuffer;
|
||||
} _httpRequestData;
|
||||
|
||||
WEBServer<WEBClient>::HttpParserStatus _httpParserState;
|
||||
|
||||
void clearHttpRequestData();
|
||||
};
|
||||
|
||||
#endif //WEBCLIENT_H
|
||||
305
src/software_test/tcpServer_test/WEBServer.h
Normal file
305
src/software_test/tcpServer_test/WEBServer.h
Normal file
@ -0,0 +1,305 @@
|
||||
#ifndef WEBSERVER_H
|
||||
#define WEBSERVER_H
|
||||
|
||||
#include "TCPServer.h"
|
||||
#include "Dictionary.h"
|
||||
#define DEBUG_WEBS
|
||||
|
||||
template <typename T>
|
||||
class WEBServer : public TCPServer<T>
|
||||
{
|
||||
public:
|
||||
enum HttpRequestMethod {UNDEFINED, GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS, TRACE, PATCH};
|
||||
enum HttpVersion {UNKNOWN, HTTP_0_9, HTTP_1_1, HTTP_1_0, HTTP_2_0};
|
||||
enum HttpMIMEType{UNKNOWN_MIME, TEXT_PLAIN, TEXT_CSS, TEXT_HTML, TEXT_JAVASCRIPT, APPLICATION_JSON, APPLICATION_X_WWW_FORM_URLENCODED, IMAGE_PNG, IMAGE_JPEG, AUDIO_MPEG, APPLICATION_OCTET_STREAM};
|
||||
enum HttpParserStatus {HTTP_VERB, HTTP_RESSOURCE, HTTP_VERSION, HTTP_PARAMS, POST_DATA};
|
||||
enum WEBClientState {ACCEPTED, QUERY_PARSED, RESPONSE_SENT, DONE};
|
||||
enum HTTP_CODE {_400, _401, _403, _404, _500, _501};
|
||||
|
||||
WEBServer(unsigned int port = 80, uint8_t maxClient = MAX_CLIENT, uint16_t clientDataBufferSize = 512) : TCPServer<T>(port, maxClient, clientDataBufferSize) {}
|
||||
protected:
|
||||
private:
|
||||
virtual T* createNewClient(WiFiClient wc)
|
||||
{
|
||||
return new T(wc, TCPServer<T>::freeClientId());
|
||||
}
|
||||
|
||||
virtual void greetClient(T *client)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
virtual void processClientData(T *client)
|
||||
{
|
||||
switch(client->_WEBClientState)
|
||||
{
|
||||
case ACCEPTED:
|
||||
queryParser(client);
|
||||
break;
|
||||
case QUERY_PARSED:
|
||||
sendDataToClient(client);
|
||||
break;
|
||||
case RESPONSE_SENT:
|
||||
break;
|
||||
case DONE:
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
void queryParser(T *client)
|
||||
{
|
||||
switch(client->_httpParserState)
|
||||
{
|
||||
case HttpParserStatus::HTTP_VERB:
|
||||
{
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.println((char *)client->_data);
|
||||
#endif
|
||||
|
||||
char *pVerb = strstr((char *)client->_data, " ");
|
||||
|
||||
if(pVerb != NULL)
|
||||
{
|
||||
*pVerb = '\0';
|
||||
client->_httpRequestData.HRM = getHttpVerbEnumValue((char *)client->_data);
|
||||
client->freeDataBuffer((pVerb - (char *)client->_data) +1);
|
||||
|
||||
if(client->_httpRequestData.HRM == HttpRequestMethod::UNDEFINED) //Error 400
|
||||
{
|
||||
sendInfoResponse(HTTP_CODE::_400, client, "The server could not understand the request due to invalid syntax");
|
||||
client->_clientState = TCPClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.print("Verb : ");Serial.println(client->_httpRequestData.HRM);
|
||||
Serial.println((char *)client->_data);
|
||||
#endif
|
||||
|
||||
client->_httpParserState = HttpParserStatus::HTTP_RESSOURCE;
|
||||
}
|
||||
else
|
||||
{
|
||||
sendInfoResponse(HTTP_CODE::_400, client, "The server could not understand the request due to invalid syntax");
|
||||
client->_clientState = TCPClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case HttpParserStatus::HTTP_RESSOURCE:
|
||||
{
|
||||
char *pRsrc = strstr((char *)client->_data, " ");
|
||||
|
||||
if(pRsrc != NULL)
|
||||
{
|
||||
*pRsrc = '\0';
|
||||
uint16_t safeLength = pRsrc - (char *)client->_data <= client->_httpRequestData.maxResourceBuffer ? pRsrc - (char *)client->_data : client->_httpRequestData.maxResourceBuffer;
|
||||
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.print("Resrc length : ");Serial.println(safeLength);
|
||||
#endif
|
||||
|
||||
client->_httpRequestData.httpResource = (char *) malloc(sizeof(char) * (safeLength+1) ); //for \0
|
||||
if(client->_httpRequestData.httpResource != NULL)
|
||||
{
|
||||
strncpy(client->_httpRequestData.httpResource, (char *)client->_data, safeLength);
|
||||
client->_httpRequestData.httpResource[safeLength] = '\0';
|
||||
}
|
||||
else //Error 500
|
||||
{
|
||||
sendInfoResponse(HTTP_CODE::_500, client, "Failed to allocate memory for resources");
|
||||
client->_clientState = TCPClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
|
||||
client->freeDataBuffer(safeLength + 1);
|
||||
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.print("Resrc : ");Serial.println(client->_httpRequestData.httpResource);
|
||||
Serial.println((char *)client->_data);
|
||||
#endif
|
||||
}
|
||||
else //Resource is probably too long, so we truncate it
|
||||
{
|
||||
client->_httpRequestData.httpResource = (char *) malloc(sizeof(char) * (client->_httpRequestData.maxResourceBuffer+1) ); //for \0
|
||||
if(client->_httpRequestData.httpResource != NULL)
|
||||
{
|
||||
strncpy(client->_httpRequestData.httpResource, (char *)client->_data, client->_httpRequestData.maxResourceBuffer);
|
||||
client->_httpRequestData.httpResource[client->_httpRequestData.maxResourceBuffer] = '\0';
|
||||
}
|
||||
else //Error 500
|
||||
{
|
||||
sendInfoResponse(HTTP_CODE::_500, client, "Failed to allocate memory for resources");
|
||||
client->_clientState = TCPClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
|
||||
client->freeDataBuffer(client->_httpRequestData.maxResourceBuffer + 1);
|
||||
}
|
||||
client->_httpParserState = HttpParserStatus::HTTP_PARAMS;
|
||||
}
|
||||
break;
|
||||
case HttpParserStatus::HTTP_VERSION:
|
||||
{
|
||||
char *pEndline = strstr((char *)client->_data, "\r\n");
|
||||
char *pVers = strstr((char *)client->_data, "HTTP/");
|
||||
|
||||
if(pEndline != NULL && pVers!= NULL)
|
||||
{
|
||||
*pEndline = '\0';
|
||||
client->_httpRequestData.HV = getHttpVersionEnumValue(pVers+5);
|
||||
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.print("Vers : ");Serial.println(pVers+5);
|
||||
Serial.print("Vers : ");Serial.println(client->_httpRequestData.HV);
|
||||
#endif
|
||||
|
||||
client->freeDataBuffer((pEndline - (char *)client->_data)+2);
|
||||
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.println((char *)client->_data);
|
||||
#endif
|
||||
|
||||
client->_httpParserState = HttpParserStatus::POST_DATA;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case HttpParserStatus::HTTP_PARAMS: //index.htm?var1=1&var2=2...
|
||||
if(!httpParamParser(client))
|
||||
{
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.print("Resrc : ");Serial.println(client->_httpRequestData.httpResource);
|
||||
Serial.println("Get params :");
|
||||
for(int i = 0; i < client->_httpRequestData.getParams.count(); i++)
|
||||
{
|
||||
Serial.print(client->_httpRequestData.getParams.getParameter(i));Serial.print(" : ");Serial.println(client->_httpRequestData.getParams.getAt(i)->getString());
|
||||
}
|
||||
#endif
|
||||
client->_httpParserState = HttpParserStatus::HTTP_VERSION;
|
||||
}
|
||||
break;
|
||||
case HttpParserStatus::POST_DATA:
|
||||
|
||||
client->_WEBClientState = WEBClientState::QUERY_PARSED;
|
||||
break;
|
||||
default :
|
||||
sendInfoResponse(HTTP_CODE::_500, client, "WEB server error");
|
||||
client->_clientState = TCPClient::ClientState::DISCARDED;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
boolean httpParamParser(T *client)
|
||||
{
|
||||
char *pGetParam = strchr((char *)client->_httpRequestData.httpResource, '?');
|
||||
|
||||
|
||||
if(pGetParam != NULL) //There are some params to be parsed
|
||||
{
|
||||
if(client->_httpRequestData.getParamsDataPointer == NULL)
|
||||
{
|
||||
client->_httpRequestData.getParamsDataPointer = pGetParam +1;//We save the starting position of the string to parse
|
||||
}
|
||||
|
||||
char *key = strchr(client->_httpRequestData.getParamsDataPointer, '=');
|
||||
char *value = strchr(client->_httpRequestData.getParamsDataPointer, '&');
|
||||
|
||||
if(key == NULL && value == NULL) //Only the key is present
|
||||
{
|
||||
client->_httpRequestData.getParams.add(client->_httpRequestData.getParamsDataPointer, new DictionaryHelper::StringEntity(NULL));
|
||||
*pGetParam = '\0';
|
||||
return false;
|
||||
}
|
||||
else if(key != NULL && value != NULL)
|
||||
{
|
||||
if(key < value)*key = '\0';
|
||||
*value = '\0';
|
||||
|
||||
client->_httpRequestData.getParams.add(client->_httpRequestData.getParamsDataPointer, new DictionaryHelper::StringEntity(key > value ? NULL : key + 1));
|
||||
strcpy(client->_httpRequestData.getParamsDataPointer,value+1);
|
||||
|
||||
#ifdef DEBUG_WEBS
|
||||
Serial.print("Params pointer : ");Serial.println(client->_httpRequestData.getParamsDataPointer);
|
||||
#endif
|
||||
}
|
||||
else if(key != NULL && value == NULL) //Only one key/value pair present
|
||||
{
|
||||
*key = '\0';
|
||||
|
||||
client->_httpRequestData.getParams.add(client->_httpRequestData.getParamsDataPointer, new DictionaryHelper::StringEntity(key+1));
|
||||
*pGetParam = '\0';
|
||||
return false;
|
||||
}
|
||||
else if(key == NULL && value != NULL)
|
||||
{
|
||||
*value = '\0';
|
||||
|
||||
client->_httpRequestData.getParams.add(client->_httpRequestData.getParamsDataPointer, new DictionaryHelper::StringEntity(NULL));
|
||||
strcpy(client->_httpRequestData.getParamsDataPointer,value+1);
|
||||
}
|
||||
}
|
||||
else //nothing to parse or done
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void sendDataToClient(T *client)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void sendInfoResponse(HTTP_CODE http_code, T *client, const char *message)
|
||||
{
|
||||
switch(http_code)
|
||||
{
|
||||
case _500:
|
||||
client->_client.print(F("HTTP/1.1 500 Internal Server Error\r\nContent-Type: text/html\r\nContent-Length: "));
|
||||
client->_client.print(strlen(message) + 59);
|
||||
client->_client.print(F("\r\n\r\n<!DOCTYPE HTML>\r\n<html>\r\n<h1>Error 500</h1><p>"));
|
||||
client->_client.print(message);
|
||||
client->_client.print(F("</p>\r\n</html>"));
|
||||
break;
|
||||
case _400:
|
||||
client->_client.print(F("HTTP/1.1 400 Bad Request\r\nContent-Type: text/html\r\nContent-Length: "));
|
||||
client->_client.print(strlen(message) + 59);
|
||||
client->_client.print(F("\r\n\r\n<!DOCTYPE HTML>\r\n<html>\r\n<h1>Error 400</h1><p>"));
|
||||
client->_client.print(message);
|
||||
client->_client.print(F("</p>\r\n</html>"));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*Static helper methods*/
|
||||
|
||||
static HttpRequestMethod getHttpVerbEnumValue(const char *parseBuffer)
|
||||
{
|
||||
//UNDEFINED, GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS, TRACE, PATCH
|
||||
if(strcmp(parseBuffer,"GET") == 0){return HttpRequestMethod::GET;}
|
||||
else if(strcmp(parseBuffer,"POST") == 0){return HttpRequestMethod::POST;}
|
||||
else if(strcmp(parseBuffer,"HEAD") == 0){return HttpRequestMethod::HEAD;}
|
||||
else if(strcmp(parseBuffer,"PUT") == 0){return HttpRequestMethod::PUT;}
|
||||
else if(strcmp(parseBuffer,"DELETE") == 0){return HttpRequestMethod::DELETE;}
|
||||
else if(strcmp(parseBuffer,"CONNECT") == 0){return HttpRequestMethod::CONNECT;}
|
||||
else if(strcmp(parseBuffer,"TRACE") == 0){return HttpRequestMethod::TRACE;}
|
||||
else if(strcmp(parseBuffer,"PATCH") == 0){return HttpRequestMethod::PATCH;}
|
||||
else if(strcmp(parseBuffer,"OPTIONS") == 0){return HttpRequestMethod::OPTIONS;}
|
||||
else
|
||||
return HttpRequestMethod::UNDEFINED;
|
||||
}
|
||||
|
||||
static HttpVersion getHttpVersionEnumValue(const char *parseBuffer)
|
||||
{
|
||||
//HTTP_0_9, HTTP_1_1, HTTP_1_0, HTTP_2_0
|
||||
if(strcmp(parseBuffer,"1.1") == 0){return HttpVersion::HTTP_1_1;}
|
||||
else if(strcmp(parseBuffer,"2.0") == 0){return HttpVersion::HTTP_2_0;}
|
||||
else if(strcmp(parseBuffer,"1.0") == 0){return HttpVersion::HTTP_1_0;}
|
||||
else if(strcmp(parseBuffer,"0.9") == 0){return HttpVersion::HTTP_0_9;}
|
||||
else
|
||||
return HttpVersion::UNKNOWN;
|
||||
}
|
||||
};
|
||||
|
||||
#endif //WEBSERVER_H
|
||||
@ -1,12 +1,20 @@
|
||||
/**
|
||||
* This sketch was written in order to developp and test the multi client tcp server which will be used in my project
|
||||
* This sketch was written in order to developp and test the multi-client tcp server which will later be used in my project
|
||||
* Anatole SCHRAMM-HENRY 08/05/2019
|
||||
*/
|
||||
|
||||
#include "TCPWebServer.h"
|
||||
#include "TCPClient.h"
|
||||
#include "TCPServer.h"
|
||||
#include "WEBServer.h"
|
||||
#include "WEBClient.h"
|
||||
|
||||
uint32_t lastFreeMem(0);
|
||||
uint16_t lastClientCount(0);
|
||||
|
||||
TCPServer<TCPClient> server(80, MAX_CLIENT, 5);
|
||||
WEBServer<WEBClient> webServer(8080);
|
||||
|
||||
WiFiEventHandler gotIpEventHandler, disconnectedEventHandler;
|
||||
TCPWebServer tws(80,2);
|
||||
|
||||
void setup() {
|
||||
// put your setup code here, to run once:
|
||||
@ -19,9 +27,30 @@ void setup() {
|
||||
WiFi.begin("freebox_Henry","eustache1930");
|
||||
}
|
||||
|
||||
void debugInfo()
|
||||
{
|
||||
uint32_t freeMem;
|
||||
uint16_t biggestContigMemBlock;
|
||||
uint8_t frag;
|
||||
ESP.getHeapStats(&freeMem, &biggestContigMemBlock, &frag);
|
||||
if(lastFreeMem != freeMem)
|
||||
{
|
||||
Serial.print("Free MEM : ");Serial.println(freeMem);
|
||||
Serial.print("Heap Frag : ");Serial.println(frag);
|
||||
lastFreeMem = freeMem;
|
||||
}
|
||||
if(lastClientCount != server.getConnectedClientsCount())
|
||||
{
|
||||
lastClientCount = server.getConnectedClientsCount();
|
||||
Serial.print("Connected client(s) : ");Serial.println(lastClientCount);
|
||||
}
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// put your main code here, to run repeatedly:
|
||||
tws.runServer();
|
||||
server.runServer();
|
||||
webServer.runServer();
|
||||
debugInfo();
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user