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  1. /***************************************************************************
  2.  *   Copyright (C) December 6, 2008 by Mattias Runge                             *
  3.  *   mattias@runge.se                                                      *
  4.  *   asyncsocket.h                                            *
  5.  *                                                                         *
  6.  *   This program is free software; you can redistribute it and/or modify  *
  7.  *   it under the terms of the GNU General Public License as published by  *
  8.  *   the Free Software Foundation; either version 2 of the License, or     *
  9.  *   (at your option) any later version.                                   *
  10.  *                                                                         *
  11.  *   This program is distributed in the hope that it will be useful,       *
  12.  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13.  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14.  *   GNU General Public License for more details.                          *
  15.  *                                                                         *
  16.  *   You should have received a copy of the GNU General Public License     *
  17.  *   along with this program; if not, write to the                         *
  18.  *   Free Software Foundation, Inc.,                                       *
  19.  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  20.  ***************************************************************************/
  21.  
  22. #ifndef _ASYNCSOCKET_H
  23. #define _ASYNCSOCKET_H
  24.  
  25. using namespace std;
  26.  
  27. #include <string>
  28. #include <queue>
  29. #include <map>
  30.  
  31. #include <sys/types.h>
  32. #include <sys/socket.h>
  33. #include <netinet/in.h>
  34. #include <netdb.h>
  35. #include <unistd.h>
  36. #include <string>
  37. #include <arpa/inet.h>
  38. #include <string.h>
  39. #include <errno.h>
  40. #include <fcntl.h>
  41. #include <sys/ioctl.h>
  42. #include <signal.h>
  43. #include <netinet/tcp.h>
  44.  
  45.  
  46. #include "../Threads/thread.h"
  47. #include "../Threads/semaphore.h"
  48. #include "../Threads/threadsafequeue.h"
  49. #include "../Tools/tools.h"
  50.  
  51. #include "socketexception.h"
  52. #include "socketevent.h"
  53.  
  54. const int MAXBUFFER = 1024;
  55. const int MAXCONNECTIONS = 10;
  56.  
  57. class AsyncSocket : public Thread<AsyncSocket>
  58. {
  59. public:
  60.     AsyncSocket();
  61.     ~AsyncSocket();
  62.  
  63.     void run();
  64.  
  65.     string getId() { return myId; };
  66.     bool isConnected() { return mySocket != -1; };
  67.  
  68.     void forceReconnect() { myForceReconnect = true; };
  69.     void setReconnectTimeout(unsigned int reconnectTimeout) { myReconnectTimeout = reconnectTimeout; };
  70.     unsigned int getReconnectTimeout() { return myReconnectTimeout; };
  71.     void setAddress(string address) { myAddress = address; };
  72.     string getAddress() { return myAddress; };
  73.     void setPort(int port) { myPort = port; };
  74.     int getPort() { return myPort; };
  75.     void setSocket(int socket) { mySocket = socket; };
  76.     int getSocket() { return mySocket; };
  77.  
  78.     void eventStartListen() { myEventSemaphore.lock(); };
  79.     void eventWait() { myEventSemaphore.wait(); };
  80.     void eventStopListen() { myEventSemaphore.unlock(); };
  81.     bool eventIsAvailable() { return myEventQueue.size() > 0; };
  82.     SocketEvent eventFetch() { return myEventQueue.pop(); };
  83.  
  84.  
  85.     void sendData(string data);
  86.  
  87.    
  88.     void startListen();
  89.     bool accept(AsyncSocket* newSocket);
  90.    
  91.  
  92.    
  93.  
  94. protected:
  95.     void reconnectLoop();
  96.     void create();
  97.  
  98.     void connect();
  99.    
  100.     void silentClose();
  101.     void close();
  102.  
  103.  
  104. private:
  105.     string myId;
  106.     string myAddress;
  107.     int myPort;
  108.     unsigned int myReconnectTimeout;
  109.     int mySocket;
  110.     bool myForceReconnect;
  111.     sockaddr_in myAddressStruct;
  112.  
  113.     Semaphore myEventSemaphore;
  114.     ThreadSafeQueue<SocketEvent> myEventQueue;
  115.     void eventAdd(unsigned int eventType, string eventData);
  116.     void eventAdd(unsigned int eventType);
  117.  
  118.     bool receiveData();
  119. };
  120.  
  121. #endif  /* _ASYNCSOCKET_H */
  122.  
  123.