HTTPRequestHandler.h

00001 
00002 /*
00003 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
00004  
00005 Permission is hereby granted, free of charge, to any person obtaining a copy
00006 of this software and associated documentation files (the "Software"), to deal
00007 in the Software without restriction, including without limitation the rights
00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 copies of the Software, and to permit persons to whom the Software is
00010 furnished to do so, subject to the following conditions:
00011  
00012 The above copyright notice and this permission notice shall be included in
00013 all copies or substantial portions of the Software.
00014  
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00018 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00019 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00020 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00021 THE SOFTWARE.
00022 */
00023 
00024 #ifndef HTTP_REQUEST_HANDLER_H
00025 #define HTTP_REQUEST_HANDLER_H
00026 
00027 #include "api/TCPSocket.h"
00028 //#include "HTTPServer.h"
00029 
00030 #include "mbed.h"
00031 
00032 #include <string>
00033 using std::string;
00034 
00035 #include <map>
00036 using std::map;
00037 
00038 class HTTPRequestHandler : public NetService
00039 {
00040 public:
00041   HTTPRequestHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket);
00042   virtual ~HTTPRequestHandler();
00043 
00044 //protected:
00045   virtual void doGet() = 0;
00046   virtual void doPost() = 0;
00047   virtual void doHead() = 0;
00048   
00049   virtual void onReadable() = 0; //Data has been read
00050   virtual void onWriteable() = 0; //Data has been written & buf is free
00051   virtual void onTimeout(); //Connection has timed out
00052   virtual void onClose() = 0; //Connection is closing
00053   
00054   virtual void close(); //Close socket and destroy data
00055 
00056 protected:  
00057   map<string, string>& reqHeaders() /*const*/;
00058   string& path() /*const*/;
00059   int dataLen() const;
00060   int readData(char* buf, int len);
00061   string& rootPath() /*const*/;
00062   
00063   void setErrCode(int errc);
00064   void setContentLen(int len);
00065   
00066   map<string, string>& respHeaders();
00067   int writeData(const char* buf, int len);
00068   
00069   void setTimeout(int ms);
00070   void resetTimeout();
00071 
00072 private:
00073   void readHeaders(); //Called at instanciation
00074   void writeHeaders(); //Called at the first writeData call
00075   void onTCPSocketEvent(TCPSocketEvent e);
00076    
00077   TCPSocket* m_pTCPSocket;
00078   map<string, string> m_reqHeaders;
00079   map<string, string> m_respHeaders;
00080   string m_rootPath;
00081   string m_path;
00082   int m_errc; //Response code
00083   
00084   Timeout m_watchdog;
00085   int m_timeout;
00086   
00087   bool m_closed;
00088   bool m_headersSent;
00089   
00090   int readLine(char* str, int maxLen);
00091 
00092 };
00093 
00094 #endif