/* ================= CL_Reconnect_f The server is changing levels ================= */ void CL_Reconnect_f( void ) { if( cls.state == ca_disconnected ) return; S_StopAllSounds (); if( cls.state == ca_connected ) { cls.demonum = cls.movienum = -1; // not in the demo loop now cls.state = ca_connected; // clear channel and stuff Netchan_Clear( &cls.netchan ); BF_Clear( &cls.netchan.message ); BF_WriteByte( &cls.netchan.message, clc_stringcmd ); BF_WriteString( &cls.netchan.message, "new" ); cl.validsequence = 0; // haven't gotten a valid frame update yet cl.delta_sequence = -1; // we'll request a full delta from the baseline cls.lastoutgoingcommand = -1; // we don't have a backed up cmd history yet cls.nextcmdtime = host.realtime; // we can send a cmd right away CL_StartupDemoHeader (); return; } if( cls.servername[0] ) { if( cls.state >= ca_connected ) { CL_Disconnect(); cls.connect_time = host.realtime - 1.5; } else cls.connect_time = MAX_HEARTBEAT; // fire immediately cls.demonum = cls.movienum = -1; // not in the demo loop now cls.state = ca_connecting; Msg( "reconnecting...\n" ); } }
/* ================= CL_ConnectionlessPacket Responses to broadcasts, etc ================= */ void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg ) { char *args; char *c, buf[MAX_SYSPATH]; int len = sizeof( buf ), i = 0; netadr_t servadr; BF_Clear( msg ); BF_ReadLong( msg ); // skip the -1 args = BF_ReadStringLine( msg ); Cmd_TokenizeString( args ); c = Cmd_Argv( 0 ); MsgDev( D_NOTE, "CL_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), c ); // server connection if( !Q_strcmp( c, "client_connect" )) { if( cls.state == ca_connected ) { MsgDev( D_INFO, "Dup connect received. Ignored.\n"); return; } Netchan_Setup( NS_CLIENT, &cls.netchan, from, net_qport->integer); BF_WriteByte( &cls.netchan.message, clc_stringcmd ); BF_WriteString( &cls.netchan.message, "new" ); cls.state = ca_connected; cl.validsequence = 0; // haven't gotten a valid frame update yet cl.delta_sequence = -1; // we'll request a full delta from the baseline cls.lastoutgoingcommand = -1; // we don't have a backed up cmd history yet cls.nextcmdtime = host.realtime; // we can send a cmd right away CL_StartupDemoHeader (); } else if( !Q_strcmp( c, "info" )) { // server responding to a status broadcast CL_ParseStatusMessage( from, msg ); } else if( !Q_strcmp( c, "netinfo" )) { // server responding to a status broadcast CL_ParseNETInfoMessage( from, msg ); } else if( !Q_strcmp( c, "cmd" )) { // remote command from gui front end if( !NET_IsLocalAddress( from )) { Msg( "Command packet from remote host. Ignored.\n" ); return; } #ifdef XASH_SDL SDL_RestoreWindow( host.hWnd ); #endif args = BF_ReadString( msg ); Cbuf_AddText( args ); Cbuf_AddText( "\n" ); } else if( !Q_strcmp( c, "print" )) { // print command from somewhere Msg("remote: %s\n", BF_ReadString( msg ) ); } else if( !Q_strcmp( c, "ping" )) { // ping from somewhere Netchan_OutOfBandPrint( NS_CLIENT, from, "ack" ); } else if( !Q_strcmp( c, "challenge" )) { // challenge from the server we are connecting to cls.challenge = Q_atoi( Cmd_Argv( 1 )); CL_SendConnectPacket(); return; } else if( !Q_strcmp( c, "echo" )) { // echo request from server Netchan_OutOfBandPrint( NS_CLIENT, from, "%s", Cmd_Argv( 1 )); } else if( !Q_strcmp( c, "disconnect" )) { // a disconnect message from the server, which will happen if the server // dropped the connection but it is still getting packets from us CL_Disconnect(); CL_ClearEdicts(); } else if( !Q_strcmp( c, "f") ) { // serverlist got from masterserver while( !msg->bOverflow ) { servadr.type = NA_IP; // 4 bytes for IP BF_ReadBytes( msg, servadr.ip, sizeof( servadr.ip )); // 2 bytes for Port servadr.port = BF_ReadShort( msg ); if( !servadr.port ) break; MsgDev( D_INFO, "Found server: %s\n", NET_AdrToString( servadr )); NET_Config( true ); // allow remote Netchan_OutOfBandPrint( NS_CLIENT, servadr, "info %i", PROTOCOL_VERSION ); } // execute at next frame preventing relation on fps Cbuf_AddText("menu_resetping\n"); } else if( clgame.dllFuncs.pfnConnectionlessPacket( &from, args, buf, &len )) { // user out of band message (must be handled in CL_ConnectionlessPacket) if( len > 0 ) Netchan_OutOfBand( NS_SERVER, from, len, (byte *)buf ); } else MsgDev( D_ERROR, "Bad connectionless packet from %s:\n%s\n", NET_AdrToString( from ), args ); }
/* ================= CL_ConnectionlessPacket Responses to broadcasts, etc ================= */ void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg ) { char *args; char *c, buf[MAX_SYSPATH]; int len = sizeof( buf ); int dataoffset = 0; netadr_t servadr; BF_Clear( msg ); BF_ReadLong( msg ); // skip the -1 args = BF_ReadStringLine( msg ); Cmd_TokenizeString( args ); c = Cmd_Argv( 0 ); MsgDev( D_NOTE, "CL_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), c ); // server connection if( !Q_strcmp( c, "client_connect" )) { if( cls.state == ca_connected ) { MsgDev( D_INFO, "dup connect received. ignored\n"); return; } Netchan_Setup( NS_CLIENT, &cls.netchan, from, Cvar_VariableValue( "net_qport" )); BF_WriteByte( &cls.netchan.message, clc_stringcmd ); BF_WriteString( &cls.netchan.message, "new" ); cls.state = ca_connected; cl.validsequence = 0; // haven't gotten a valid frame update yet cl.delta_sequence = -1; // we'll request a full delta from the baseline cls.lastoutgoingcommand = -1; // we don't have a backed up cmd history yet cls.nextcmdtime = host.realtime; // we can send a cmd right away CL_StartupDemoHeader (); UI_SetActiveMenu( false ); } else if( !Q_strcmp( c, "info" )) { // server responding to a status broadcast CL_ParseStatusMessage( from, msg ); } else if( !Q_strcmp( c, "netinfo" )) { // server responding to a status broadcast CL_ParseNETInfoMessage( from, msg ); } else if( !Q_strcmp( c, "cmd" )) { // remote command from gui front end if( !NET_IsLocalAddress( from )) { Msg( "Command packet from remote host. Ignored.\n" ); return; } ShowWindow( host.hWnd, SW_RESTORE ); SetForegroundWindow ( host.hWnd ); args = BF_ReadString( msg ); Cbuf_AddText( args ); Cbuf_AddText( "\n" ); } else if( !Q_strcmp( c, "print" )) { // print command from somewhere args = BF_ReadString( msg ); Msg( args ); } else if( !Q_strcmp( c, "ping" )) { // ping from somewhere Netchan_OutOfBandPrint( NS_CLIENT, from, "ack" ); } else if( !Q_strcmp( c, "challenge" )) { // challenge from the server we are connecting to cls.challenge = Q_atoi( Cmd_Argv( 1 )); CL_SendConnectPacket(); return; } else if( !Q_strcmp( c, "echo" )) { // echo request from server Netchan_OutOfBandPrint( NS_CLIENT, from, "%s", Cmd_Argv( 1 )); } else if( !Q_strcmp( c, "disconnect" )) { // a disconnect message from the server, which will happen if the server // dropped the connection but it is still getting packets from us CL_Disconnect(); } else if( clgame.dllFuncs.pfnConnectionlessPacket( &from, args, buf, &len )) { // user out of band message (must be handled in CL_ConnectionlessPacket) if( len > 0 ) Netchan_OutOfBand( NS_SERVER, from, len, buf ); } else if( msg->pData[0] == 0xFF && msg->pData[1] == 0xFF && msg->pData[2] == 0xFF && msg->pData[3] == 0xFF && msg->pData[4] == 0x66 && msg->pData[5] == 0x0A ) { dataoffset = 6; while( 1 ) { servadr.type = NA_IP; servadr.ip[0] = msg->pData[dataoffset + 0]; servadr.ip[1] = msg->pData[dataoffset + 1]; servadr.ip[2] = msg->pData[dataoffset + 2]; servadr.ip[3] = msg->pData[dataoffset + 3]; servadr.port = *(word *)&msg->pData[dataoffset + 4]; if( !servadr.port ) break; MsgDev( D_INFO, "Found server: %s\n", NET_AdrToString( servadr )); NET_Config( true ); // allow remote Netchan_OutOfBandPrint( NS_CLIENT, servadr, "info %i", PROTOCOL_VERSION ); dataoffset += 6; } } else MsgDev( D_ERROR, "bad connectionless packet from %s:\n%s\n", NET_AdrToString( from ), args ); }