[5987] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Christoph Renner |
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| 13 | co-programmer: |
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| 14 | */ |
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| 15 | |
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| 16 | /* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_NETWORK module |
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| 17 | For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput |
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| 18 | */ |
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| 19 | #define DEBUG_MODULE_NETWORK |
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| 20 | |
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| 21 | |
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| 22 | /* include your own header */ |
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| 23 | #include "server_socket.h" |
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| 24 | |
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| 25 | /* header for debug output */ |
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| 26 | #include "debug.h" |
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| 27 | |
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[7402] | 28 | |
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| 29 | ServerSocket::ServerSocket( ConnectionType connectionType ) |
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[5987] | 30 | { |
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[7402] | 31 | this->connectionType = connectionType; |
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[5987] | 32 | init(); |
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| 33 | } |
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| 34 | |
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[7402] | 35 | |
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| 36 | ServerSocket::ServerSocket( ConnectionType connectionType, unsigned int port ) |
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| 37 | { |
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| 38 | this->connectionType = connectionType; |
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| 39 | init(); |
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| 40 | listen(port); |
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| 41 | } |
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| 42 | |
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| 43 | |
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| 44 | ServerSocket::ServerSocket() |
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| 45 | { |
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| 46 | this->connectionType == NET_TCP; |
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| 47 | init(); |
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| 48 | } |
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| 49 | |
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| 50 | |
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[5987] | 51 | ServerSocket::ServerSocket( unsigned int port ) |
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| 52 | { |
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[7402] | 53 | this->connectionType == NET_TCP; |
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[5987] | 54 | init(); |
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| 55 | listen(port); |
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| 56 | } |
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| 57 | |
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[7402] | 58 | |
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[5987] | 59 | /** |
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| 60 | * Default destructor |
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| 61 | */ |
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| 62 | ServerSocket::~ServerSocket( ) |
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| 63 | { |
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| 64 | /* Quit SDL_net */ |
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| 65 | // NOTE: what if other instances of NetworkSocket running? |
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| 66 | SDLNet_Quit(); |
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| 67 | PRINTF(5)("SDL_net shutdown\n"); |
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| 68 | |
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| 69 | _isListening = false; |
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| 70 | } |
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| 71 | |
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[7402] | 72 | |
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| 73 | |
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| 74 | |
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[5987] | 75 | void ServerSocket::init( ) |
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| 76 | { |
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| 77 | /* set the class id for the base object */ |
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| 78 | this->setClassID(CL_SERVER_SOCKET, "ServerSocket"); |
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| 79 | |
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| 80 | terminateThread = false; |
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| 81 | listenSocket = NULL; |
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| 82 | _isListening = false; |
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| 83 | |
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| 84 | if(SDLNet_Init()==-1) |
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| 85 | { |
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| 86 | PRINTF(1)("SDLNet_Init: %s\n", SDLNet_GetError()); |
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| 87 | return; |
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| 88 | } |
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| 89 | else |
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| 90 | PRINTF(5)("SDL_net initialized\n"); |
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| 91 | |
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| 92 | PRINTF(0)("ServerSocket created\n"); |
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| 93 | } |
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| 94 | |
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| 95 | |
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| 96 | /** |
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| 97 | * Tells the NetworkSocket to listen on a specific port for incoming connections. |
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| 98 | * NetworkSocket::writeBytes(...) will have no effect until there is a valuable connection. |
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| 99 | * @param port |
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| 100 | */ |
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| 101 | bool ServerSocket::listen(unsigned int port) |
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| 102 | { |
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| 103 | PRINTF(0)("ServerSocket::listen()\n"); |
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| 104 | _isListening = true; |
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| 105 | //check if not already connected or listening |
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| 106 | if (listenSocket) |
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| 107 | { |
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| 108 | PRINTF(1)("ServerSocket::listen: tcpSocket!=NULL! maybe you already called listen or did not call close()!\n"); |
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| 109 | _isListening = false; |
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| 110 | return false; |
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| 111 | } |
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| 112 | |
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| 113 | IPaddress ip; |
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| 114 | |
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| 115 | if (SDLNet_ResolveHost(&ip, NULL, port)==-1) |
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| 116 | { |
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| 117 | PRINTF(1)("SDLNet_ResolveHost: %s\n", SDLNet_GetError()); |
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| 118 | _isListening = false; |
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| 119 | return false; |
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| 120 | } |
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| 121 | |
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[7402] | 122 | if( this->connectionType == NET_TCP) |
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[5987] | 123 | { |
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[7402] | 124 | listenSocketTCP = SDLNet_TCP_Open(&ip); |
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| 125 | if( !listenSocketTCP) { |
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| 126 | PRINTF(1)("SDLNet_TCP_Open: %s\n", SDLNet_GetError()); |
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| 127 | _isListening = false; |
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| 128 | return false; |
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| 129 | } |
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| 130 | } |
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| 131 | else |
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| 132 | { |
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| 133 | listenSocketUDP = SDLNet_UDP_Open(port); |
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| 134 | PRINTF(1)("SDLNet_UDP_Open: %s\n", SDLNet_GetError()); |
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[5987] | 135 | _isListening = false; |
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| 136 | return false; |
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| 137 | } |
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| 138 | |
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[7402] | 139 | |
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[5987] | 140 | return true; |
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| 141 | } |
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| 142 | |
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| 143 | |
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[7402] | 144 | /** |
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| 145 | * returns a new NetworkSocket |
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| 146 | * @return new socket |
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| 147 | */ |
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[6139] | 148 | NetworkSocket* ServerSocket::getNewSocket( ) |
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[5987] | 149 | { |
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[6139] | 150 | if ( !listenSocket ) |
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| 151 | { |
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| 152 | PRINTF(1)("listenSocket == NULL! Maybe you forgot to call listen()\n"); |
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| 153 | close(); |
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| 154 | return NULL; |
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| 155 | } |
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| 156 | |
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[7402] | 157 | if( this->connectionType == NET_TCP) |
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[5987] | 158 | { |
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[7402] | 159 | TCPsocket sockTCP = SDLNet_TCP_Accept(this->listenSocketTCP); |
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| 160 | if( !sockTCP) |
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| 161 | return NULL; |
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| 162 | else |
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| 163 | return new NetworkSocket(sockTCP); |
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[5987] | 164 | } |
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| 165 | else |
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| 166 | { |
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[7402] | 167 | #warning UDP getNewSocket incomplet |
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| 168 | // UDPsocket sockUDP = SDLNet_UDP_Accept(this->listenSocketUDP); |
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| 169 | // if( !sockUDP) |
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| 170 | // return NULL; |
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| 171 | |
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| 172 | // else |
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| 173 | // return new NetworkSocket(); |
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[5987] | 174 | } |
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| 175 | } |
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| 176 | |
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[7402] | 177 | |
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| 178 | /** |
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| 179 | * closes the ServerSocket |
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| 180 | */ |
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[6139] | 181 | void ServerSocket::close( ) |
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| 182 | { |
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| 183 | if ( listenSocket ) |
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| 184 | { |
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| 185 | SDLNet_TCP_Close( listenSocket ); |
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| 186 | listenSocket = NULL; |
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| 187 | } |
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| 188 | |
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| 189 | _isListening = false; |
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| 190 | } |
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| 191 | |
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