tools/Bounce/Bounce.h

   1 /*
   2  * IRC - Internet Relay Chat, tools/Bounce/Bounce.h
   3  * Copyright (C) 1990 Jarkko Oikarinen and
   4  *                    University of Oulu, Computing Center
   5  *
   6  * See file AUTHORS in IRC package for additional names of
   7  * the programmers.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 1, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  * $Id: Bounce.h,v 1.3 2002/03/07 22:52:57 ghostwolf Exp $
  24  *
  25  */
  26
  27 #include <sys/types.h>
  28 #include <sys/time.h>
  29 #include <sys/wait.h>
  30 #include <sys/socket.h>
  31 #include <sys/ioctl.h>
  32 #include <arpa/inet.h>
  33 #include <netinet/in.h>
  34 #include <netdb.h>
  35 #include <ctype.h>
  36 #include <time.h>
  37 #include <stdio.h>
  38 #include <unistd.h>
  39 #include <stdarg.h>
  40 #include <signal.h>
  41 #include <fcntl.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <errno.h>
  45 #include <string.h>
  46 #include <netdb.h>
  47 #include <ctype.h>
  48 #include <time.h>
  49 #include <list>
  50 using std::list;
  51
  52 #define DEBUG
  53
  54 /*
  55  *  "Bounce" Class.
  56  */
  57
  58 class Listener;
  59 class Connection;
  60 class Bounce
  61 {
  62 public:
  63   list<Listener*> listenerList;      // List of 'Listeners'.
  64   list<Connection*> connectionsList; // List of 'Connections'.
  65
  66   void bindListeners(); // Binds Listening Ports.
  67   void checkSockets();  // Polls all sockets.
  68   void recieveNewConnection(Listener*); // Accepts connections.
  69 };
  70
  71 /*
  72  *  "Socket" Class.
  73  */
  74
  75 class Socket
  76 {
  77 public:
  78   int fd;                               // File descriptor.
  79   int lastReadSize;                     // Size of last read buffer.
  80   struct sockaddr_in address;           // Socket addr_in struct.
  81   int connectTo(char*, unsigned short); // Connects the socket.
  82   int write(char*, int);                // Writes 'int' bytes from message.
  83   int write(char*);                     // Writes strlen(message).
  84   char* read();                         // Reads as much as possible into a 4k buffer.
  85   Socket();                             // Constructor.
  86 };
  87
  88 /*
  89  *  "Listener" Class.
  90  */
  91
  92 class Bounce;
  93 class Listener
  94 {
  95 public:
  96   int fd;                 // File descriptor.
  97   int remotePort;         // Remote port from config.
  98   int localPort;          // Local port for binding.
  99   char myVhost[15];       // Vhost to bind locally.
 100   char remoteServer[15];  // Remote server to connect to.
 101
 102   void beginListening();  // Bind listening ports.
 103   Socket* handleAccept(); // Accept a new connection.
 104 };
 105
 106 /*
 107  *  "Connection" Class.
 108  *  Simply a container for a local/remote Socket pair.
 109  */
 110
 111 class Connection
 112 {
 113 public:
 114   Socket* localSocket;
 115   Socket* remoteSocket;
 116 };
 117