HTTP Client data container for form(multipart/form-data)
Dependencies: mbed EthernetInterface HTTPClient mbed-rtos
Diff: HTTPClient/LPC1768/services/http/client/HTTPClient.h
- Revision:
- 1:77c616a1ab54
- Parent:
- 0:fcd577a3925b
--- a/HTTPClient/LPC1768/services/http/client/HTTPClient.h Thu May 31 10:32:39 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,306 +0,0 @@ - -/* -Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. -*/ - -/** \file -HTTP Client header file -*/ - -#ifndef HTTP_CLIENT_H -#define HTTP_CLIENT_H - -class HTTPData; - -#include "core/net.h" -#include "api/TCPSocket.h" -#include "api/DNSRequest.h" -#include "HTTPData.h" -#include "mbed.h" - -#include <string> -using std::string; - -#include <map> -using std::map; - -///HTTP client results -enum HTTPResult -{ - HTTP_OK, ///<Success - HTTP_PROCESSING, ///<Processing - HTTP_PARSE, ///<URI Parse error - HTTP_DNS, ///<Could not resolve name - HTTP_PRTCL, ///<Protocol error - HTTP_NOTFOUND, ///<HTTP 404 Error - HTTP_REFUSED, ///<HTTP 403 Error - HTTP_ERROR, ///<HTTP xxx error - HTTP_TIMEOUT, ///<Connection timeout - HTTP_CONN ///<Connection error -}; - -#include "core/netservice.h" - -///A simple HTTP Client -/** -The HTTPClient is composed of: -- The actual client (HTTPClient) -- Classes that act as a data repository, each of which deriving from the HTTPData class (HTTPText for short text content, HTTPFile for file I/O, HTTPMap for key/value pairs, and HTTPStream for streaming purposes) -*/ -class HTTPClient : protected NetService -{ -public: - ///Instantiates the HTTP client - HTTPClient(); - virtual ~HTTPClient(); - - ///Provides a basic authentification feature (Base64 encoded username and password) - void basicAuth(const char* user, const char* password); //Basic Authentification - - //High Level setup functions - ///Executes a GET Request (blocking) - /** - Executes a GET request on the URI uri - @param uri : URI on which to execute the request - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - Blocks until completion - */ - HTTPResult get(const char* uri, HTTPData* pDataIn); //Blocking - - ///Executes a GET Request (non blocking) - /** - Executes a GET request on the URI uri - @param uri : URI on which to execute the request - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - @param pMethod : callback function - The function returns immediately and calls the callback on completion or error - */ - HTTPResult get(const char* uri, HTTPData* pDataIn, void (*pMethod)(HTTPResult)); //Non blocking - - ///Executes a GET Request (non blocking) - /** - Executes a GET request on the URI uri - @param uri : URI on which to execute the request - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - @param pItem : instance of class on which to execute the callback method - @param pMethod : callback method - The function returns immediately and calls the callback on completion or error - */ - template<class T> - HTTPResult get(const char* uri, HTTPData* pDataIn, T* pItem, void (T::*pMethod)(HTTPResult)) //Non blocking - { - setOnResult(pItem, pMethod); - doGet(uri, pDataIn); - return HTTP_PROCESSING; - } - - ///Executes a POST Request (blocking) - /** - Executes a POST request on the URI uri - @param uri : URI on which to execute the request - @param dataOut : a HTTPData instance that contains the data that will be posted - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - Blocks until completion - */ - HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn); //Blocking - - ///Executes a POST Request (non blocking) - /** - Executes a POST request on the URI uri - @param uri : URI on which to execute the request - @param dataOut : a HTTPData instance that contains the data that will be posted - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - @param pMethod : callback function - The function returns immediately and calls the callback on completion or error - */ - HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn, void (*pMethod)(HTTPResult)); //Non blocking - - ///Executes a POST Request (non blocking) - /** - Executes a POST request on the URI uri - @param uri : URI on which to execute the request - @param dataOut : a HTTPData instance that contains the data that will be posted - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - @param pItem : instance of class on which to execute the callback method - @param pMethod : callback method - The function returns immediately and calls the callback on completion or error - */ - template<class T> - HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn, T* pItem, void (T::*pMethod)(HTTPResult)) //Non blocking - { - setOnResult(pItem, pMethod); - doPost(uri, dataOut, pDataIn); - return HTTP_PROCESSING; - } - - ///Executes a GET Request (non blocking) - /** - Executes a GET request on the URI uri - @param uri : URI on which to execute the request - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - The function returns immediately and calls the previously set callback on completion or error - */ - void doGet(const char* uri, HTTPData* pDataIn); - - ///Executes a POST Request (non blocking) - /** - Executes a POST request on the URI uri - @param uri : URI on which to execute the request - @param dataOut : a HTTPData instance that contains the data that will be posted - @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL - @param pMethod : callback function - The function returns immediately and calls the previously set callback on completion or error - */ - void doPost(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn); - - ///Setups the result callback - /** - @param pMethod : callback function - */ - void setOnResult( void (*pMethod)(HTTPResult) ); - - ///Setups the result callback - /** - @param pItem : instance of class on which to execute the callback method - @param pMethod : callback method - */ - class CDummy; - template<class T> - void setOnResult( T* pItem, void (T::*pMethod)(HTTPResult) ) - { - m_pCb = NULL; - m_pCbItem = (CDummy*) pItem; - m_pCbMeth = (void (CDummy::*)(HTTPResult)) pMethod; - } - - ///Setups timeout - /** - @param ms : time of connection inactivity in ms after which the request should timeout - */ - void setTimeout(int ms); - - virtual void poll(); //Called by NetServices - - ///Gets last request's HTTP response code - /** - @return The HTTP response code of the last request - */ - int getHTTPResponseCode(); - - ///Sets a specific request header - void setRequestHeader(const string& header, const string& value); - - ///Gets a response header - string& getResponseHeader(const string& header); - - ///Clears request headers - void resetRequestHeaders(); - -protected: - void resetTimeout(); - - void init(); - void close(); - - void setup(const char* uri, HTTPData* pDataOut, HTTPData* pDataIn); //Setup request, make DNS Req if necessary - void connect(); //Start Connection - - int tryRead(); //Read data and try to feed output - void readData(); //Data has been read - void writeData(); //Data has been written & buf is free - - void onTCPSocketEvent(TCPSocketEvent e); - void onDNSReply(DNSReply r); - void onResult(HTTPResult r); //Called when exchange completed or on failure - void onTimeout(); //Connection has timed out - -private: - HTTPResult blockingProcess(); //Called in blocking mode, calls Net::poll() until return code is available - - bool readHeaders(); //Called first when receiving data - bool writeHeaders(); //Called to create req - int readLine(char* str, int maxLen, bool* pIncomplete = NULL); - - enum HTTP_METH - { - HTTP_GET, - HTTP_POST, - HTTP_HEAD - }; - - HTTP_METH m_meth; - - CDummy* m_pCbItem; - void (CDummy::*m_pCbMeth)(HTTPResult); - - void (*m_pCb)(HTTPResult); - - TCPSocket* m_pTCPSocket; - map<string, string> m_reqHeaders; - map<string, string> m_respHeaders; - - Timer m_watchdog; - int m_timeout; - - DNSRequest* m_pDnsReq; - - Host m_server; - string m_path; - - bool m_closed; - - enum HTTPStep - { - // HTTP_INIT, - HTTP_WRITE_HEADERS, - HTTP_WRITE_DATA, - HTTP_READ_HEADERS, - HTTP_READ_DATA, - HTTP_READ_DATA_INCOMPLETE, - HTTP_DONE, - HTTP_CLOSED - }; - - HTTPStep m_state; - - HTTPData* m_pDataOut; - HTTPData* m_pDataIn; - - bool m_dataChunked; //Data is encoded as chunks - int m_dataPos; //Position in data - int m_dataLen; //Data length - char* m_buf; - char* m_pBufRemaining; //Remaining - int m_bufRemainingLen; //Data length in m_pBufRemaining - - int m_httpResponseCode; - - HTTPResult m_blockingResult; //Result if blocking mode - -}; - -//Including data containers here for more convenience -#include "data/HTTPFile.h" -#include "data/HTTPStream.h" -#include "data/HTTPText.h" -#include "data/HTTPMap.h" - -#endif