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 #define HTTP_REQUEST_TIMEOUT 5000
00034 
00035 #include <string>
00036 using std::string;
00037 
00038 #include <map>
00039 using std::map;
00040 
00041 class HttpRequestHandler : public NetService
00042 {
00043 public:
00044   HttpRequestHandler(const char* rootPath, const char* path, TcpSocket* pTcpSocket);
00045   virtual ~HttpRequestHandler();
00046 
00047 //protected:
00048   virtual void doGet() = 0;
00049   virtual void doPost() = 0;
00050   virtual void doHead() = 0;
00051   
00052   virtual void onReadable() = 0; //Data has been read
00053   virtual void onWriteable() = 0; //Data has been written & buf is free
00054   virtual void onTimeout(); //Connection has timed out
00055   virtual void onClose() = 0; //Connection is closing
00056   
00057   virtual void close(); //Close socket and destroy data
00058 
00059 protected:  
00060   map<string, string>& reqHeaders() /*const*/;
00061   string& path() /*const*/;
00062   int dataLen() const;
00063   int readData(char* buf, int len);
00064   string& rootPath() /*const*/;
00065   
00066   void setErrCode(int errc);
00067   void setContentLen(int len);
00068   
00069   map<string, string>& respHeaders();
00070   int writeData(const char* buf, int len);
00071   
00072   void setTimeout(int ms);
00073   void resetTimeout();
00074 
00075 private:
00076   void readHeaders(); //Called at instanciation
00077   void writeHeaders(); //Called at the first writeData call
00078   void onTcpSocketEvent(TcpSocketEvent e);
00079    
00080   TcpSocket* m_pTcpSocket;
00081   map<string, string> m_reqHeaders;
00082   map<string, string> m_respHeaders;
00083   string m_rootPath;
00084   string m_path;
00085   int m_errc; //Response code
00086   
00087   Timeout m_watchdog;
00088   int m_timeout;
00089   
00090   bool m_closed;
00091   bool m_headersSent;
00092   
00093   int readLine(char* str, int maxLen);
00094 
00095 };
00096 
00097 #endif