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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.  
  30. #include <sys/types.h>
  31. #include <sys/socket.h>
  32. #include <netinet/in.h>
  33. #include <netdb.h>
  34. #include <unistd.h>
  35. #include <string>
  36. #include <arpa/inet.h>
  37. #include <string.h>
  38. #include <errno.h>
  39. #include <fcntl.h>
  40. #include <sys/ioctl.h>
  41. #include <signal.h>
  42. #include <netinet/tcp.h>
  43.  
  44.  
  45. #include "../Threads/thread.h"
  46. #include "../Threads/semaphore.h"
  47. #include "../Threads/threadsafequeue.h"
  48. #include "../Tools/tools.h"
  49. #include "../SyslogStream/syslogstream.h"
  50.  
  51. #include "socketexception.h"
  52.  
  53. #define ASYNCSOCKET_EVENT_NONE 0
  54. #define ASYNCSOCKET_EVENT_DATA 1
  55. #define ASYNCSOCKET_EVENT_CLOSED 2
  56. #define ASYNCSOCKET_EVENT_DIED 3
  57. #define ASYNCSOCKET_EVENT_INACTIVITY 4
  58.  
  59. const int MAXBUFFER = 1024;
  60.  
  61. class AsyncSocket : public Thread<AsyncSocket>
  62. {
  63. public:
  64.     AsyncSocket();
  65.     ~AsyncSocket();
  66.  
  67.     void run();
  68.  
  69.     void setReconnectTimeout(unsigned int timeout);
  70.     void setAddress(string address, int port);
  71.  
  72.     void startEvent();
  73.     int getEvent();
  74.     void waitForEvent();
  75.     void stopEvent();
  76.  
  77.     bool availableData();
  78.     string getData();
  79.     bool sendData(string data);
  80.     void forceReconnect();
  81.  
  82.     static void signalHandler(int signum);
  83.    
  84. protected:
  85.     void reconnectLoop();
  86.     void connect();
  87.     void close();
  88.     void setEvent(int event);
  89.  
  90.     static Semaphore mySemaphore;
  91.  
  92. private:
  93.     Semaphore myEventSemaphore;
  94.     int myEvent;
  95.  
  96.     bool myForceReconnect;
  97.    
  98.     ThreadSafeQueue<string> myInQueue;
  99.     ThreadSafeQueue<string> myOutQueue;
  100.  
  101.     int mySocket;
  102.     sockaddr_in myAddressStruct;
  103.     string myAddress;
  104.     int myPort;
  105.     unsigned int myReconnectTimeout;
  106. };
  107.  
  108. #endif  /* _ASYNCSOCKET_H */
  109.  
  110.