src/protocols/icq/tcplink.h

   1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2
   3 /*
   4  * $Id: tcplink.h 2096 2001-07-31 01:00:39Z warmenhoven $
   5  *
   6  * Copyright (C) 1998-2001, Denis V. Dmitrienko <denis@null.net> and
   7  *                          Bill Soudan <soudan@kde.org>
   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 2 of the License, or
  12  * (at your option) 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  */
  24
  25 #ifndef _TCP_LINK_H_
  26 #define _TCP_LINK_H_
  27
  28 #ifdef HAVE_CONFIG_H
  29 #include <config.h>
  30 #endif
  31
  32 #ifdef _WIN32
  33 #include <winsock.h>
  34 #else
  35 #include <sys/socket.h>
  36 #include <netinet/in.h>
  37 #endif
  38
  39 #include "icq.h"
  40 #include "icqpacket.h"
  41 #include "timeout.h"
  42
  43 /* link mode bitfield values */
  44 #define TCP_LINK_MODE_RAW             1
  45 #define TCP_LINK_MODE_HELLOWAIT       2
  46 #define TCP_LINK_MODE_LISTEN          4
  47 #define TCP_LINK_MODE_CONNECTING      8
  48 #define TCP_LINK_SOCKS_CONNECTING     16
  49 #define TCP_LINK_SOCKS_AUTHORIZATION  32
  50 #define TCP_LINK_SOCKS_AUTHSTATUS     64
  51 #define TCP_LINK_SOCKS_NOAUTHSTATUS   128
  52 #define TCP_LINK_SOCKS_CROSSCONNECT   256
  53 #define TCP_LINK_SOCKS_CONNSTATUS     512
  54
  55 /* link types */
  56 #define TCP_LINK_MESSAGE              1
  57 #define TCP_LINK_CHAT                 2
  58 #define TCP_LINK_FILE                 3
  59
  60 #define icq_TCPLinkBufferSize 4096
  61 #define TCP_LINK_CONNECT_TIMEOUT 30
  62
  63 struct icq_TCPLink_s {
  64
  65    /* icq_TCPLink ICQLINK, type, mode, and session */
  66    icq_Link *icqlink;
  67    int type;
  68    int mode;
  69    int proxy_status;
  70    void *session;
  71
  72    /* socket parameters */
  73    int socket;
  74    struct sockaddr_in socket_address;
  75    struct sockaddr_in remote_address;
  76
  77    /* data buffer for receive calls */
  78    char buffer[icq_TCPLinkBufferSize];
  79    int buffer_count;
  80
  81    /* packet queues */
  82    icq_List *received_queue;
  83    icq_List *send_queue;
  84
  85    /* icq specific data, initialized by hello packet */
  86    unsigned long id;
  87    unsigned long remote_version;
  88    unsigned long remote_uin;
  89    char flags;
  90
  91    /* timeout for connect operation */
  92    icq_Timeout *connect_timeout;
  93
  94 };
  95
  96 icq_TCPLink *icq_TCPLinkNew(icq_Link *icqlink);
  97 void icq_TCPLinkDelete(void *p);
  98 void icq_TCPLinkClose(icq_TCPLink *p);
  99 void icq_TCPLinkNodeDelete(icq_ListNode *p);
 100
 101 int icq_TCPLinkConnect(icq_TCPLink *plink, DWORD uin, int port);
 102 icq_TCPLink *icq_TCPLinkAccept(icq_TCPLink *plink);
 103 int icq_TCPLinkListen(icq_TCPLink *plink);
 104
 105 void icq_TCPLinkOnDataReceived(icq_TCPLink *plink);
 106 void icq_TCPLinkOnPacketReceived(icq_TCPLink *plink, icq_Packet *p);
 107 void icq_TCPLinkOnConnect(icq_TCPLink *plink);
 108 void icq_TCPLinkOnConnectTimeout(icq_TCPLink *plink);
 109
 110 unsigned long icq_TCPLinkSendSeq(icq_TCPLink *plink, icq_Packet *p,
 111   unsigned long sequence);
 112 void icq_TCPLinkSend(icq_TCPLink *plink, icq_Packet *p);
 113
 114 void icq_TCPLinkProcessReceived(icq_TCPLink *plink);
 115
 116 icq_TCPLink *icq_FindTCPLink(icq_Link *icqlink, unsigned long uin, int type);
 117
 118 void icq_ChatRusConv_n(const char to[4], char *t_in, int t_len);
 119
 120 #endif /* _TCP_LINK_H_ */