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 "if/net/net.h"
00028 #include "api/TCPSocket.h"
00029 //#include "HTTPServer.h"
00030 
00031 #include "mbed.h"
00032 
00033 #include <string>
00034 using std::string;
00035 
00036 #include <map>
00037 using std::map;
00038 
00039 class HTTPRequestHandler : public NetService
00040 {
00041 public:
00042   HTTPRequestHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket);
00043   virtual ~HTTPRequestHandler();
00044 
00045 //protected:
00046   virtual void doGet() = 0;
00047   virtual void doPost() = 0;
00048   virtual void doHead() = 0;
00049   
00050   virtual void onReadable() = 0; //Data has been read
00051   virtual void onWriteable() = 0; //Data has been written & buf is free
00052   virtual void onTimeout(); //Connection has timed out
00053   virtual void onClose() = 0; //Connection is closing
00054   
00055   virtual void close(); //Close socket and destroy data
00056 
00057 protected:  
00058   map<string, string>& reqHeaders() /*const*/;
00059   string& path() /*const*/;
00060   int dataLen() const;
00061   int readData(char* buf, int len);
00062   string& rootPath() /*const*/;
00063   
00064   void setErrCode(int errc);
00065   void setContentLen(int len);
00066   
00067   map<string, string>& respHeaders();
00068   int writeData(const char* buf, int len);
00069   
00070   void setTimeout(int ms);
00071   void resetTimeout();
00072 
00073 private:
00074   void readHeaders(); //Called at instanciation
00075   void writeHeaders(); //Called at the first writeData call
00076   void onTCPSocketEvent(TCPSocketEvent e);
00077    
00078   TCPSocket* m_pTCPSocket;
00079   map<string, string> m_reqHeaders;
00080   map<string, string> m_respHeaders;
00081   string m_rootPath;
00082   string m_path;
00083   int m_errc; //Response code
00084   
00085   Timeout m_watchdog;
00086   int m_timeout;
00087   
00088   bool m_closed;
00089   bool m_headersSent;
00090   
00091   int readLine(char* str, int maxLen);
00092 
00093 };
00094 
00095 #endif