Exemplo n.º 1
0
static boolean NET_OpenSocket(void)
{
	memset(clientaddress, 0, sizeof (clientaddress));

	//CONS_Printf("SDL_Net Code starting up\n");

	I_NetSend = NET_Send;
	I_NetGet = NET_Get;
	I_NetCloseSocket = NET_CloseSocket;
	I_NetFreeNodenum = NET_FreeNodenum;
	I_NetMakeNode = NET_NetMakeNode;

	//I_NetCanSend = NET_CanSend;

	// build the socket but close it first
	NET_CloseSocket();
	mysocket = NET_Socket();

	if (!mysocket)
		return false;

	// for select
	myset = SDLNet_AllocSocketSet(1);
	if (!myset)
	{
		CONS_Printf("SDL_Net: %s",SDLNet_GetError());
		return false;
	}
	if (SDLNet_UDP_AddSocket(myset,mysocket) == -1)
	{
		CONS_Printf("SDL_Net: %s",SDLNet_GetError());
		return false;
	}
	return true;
}
Exemplo n.º 2
0
/*
 ==================
 NET_Shutdown
 ==================
*/
void NET_Shutdown (){

	if (!net.initialized)
		return;

	// Remove commands
	Cmd_RemoveCommand("showIP");
	Cmd_RemoveCommand("showTraffic");
	Cmd_RemoveCommand("restartNetwork");

	// Close the UDP sockets
	NET_CloseSocket(NS_SERVER);
	NET_CloseSocket(NS_CLIENT);

	// Shutdown WinSock
	WSACleanup();

	Mem_Fill(&net, 0, sizeof(network_t));
}
Exemplo n.º 3
0
/*
* SV_ShutdownGame
* 
* Called when each game quits
*/
void SV_ShutdownGame( const char *finalmsg, qboolean reconnect )
{
	if( !svs.initialized )
		return;

	if( svs.demo.file )
		SV_Demo_Stop_f();

	if( svs.clients )
		SV_FinalMessage( finalmsg, reconnect );

	SV_ShutdownGameProgs();

	// SV_MM_Shutdown();

	NET_CloseSocket( &svs.socket_loopback );
	NET_CloseSocket( &svs.socket_udp );
	NET_CloseSocket( &svs.socket_udp6 );
#ifdef TCP_ALLOW_CONNECT
	if( sv_tcp->integer )
		NET_CloseSocket( &svs.socket_tcp );
#endif

	// get any latched variable changes (sv_maxclients, etc)
	Cvar_GetLatchedVars( CVAR_LATCH );

	if( svs.clients )
	{
		Mem_Free( svs.clients );
		svs.clients = NULL;
	}

	if( svs.client_entities.entities )
	{
		Mem_Free( svs.client_entities.entities );
		memset( &svs.client_entities, 0, sizeof( svs.client_entities ) );
	}

	if( svs.cms )
	{
		CM_Free( svs.cms );
		svs.cms = NULL;
	}

	memset( &sv, 0, sizeof( sv ) );
	Com_SetServerState( sv.state );

	Com_FreePureList( &svs.purelist );

	if( svs.motd )
	{
		Mem_Free( svs.motd );
		svs.motd = NULL;
	}

	if( sv_mempool )
		Mem_EmptyPool( sv_mempool );

	memset( &svs, 0, sizeof( svs ) );

	svs.initialized = qfalse;
}
Exemplo n.º 4
0
/*
* SV_InitGame
* A brand new game has been started
*/
void SV_InitGame( void )
{
	int i;
	edict_t	*ent;
	netadr_t address, ipv6_address;

	// make sure the client is down
	CL_Disconnect( NULL );
	SCR_BeginLoadingPlaque();

	if( svs.initialized )
	{
		// cause any connected clients to reconnect
		SV_ShutdownGame( "Server restarted", qtrue );

		// SV_ShutdownGame will also call Cvar_GetLatchedVars
	}
	else
	{
		// get any latched variable changes (sv_maxclients, etc)
		Cvar_GetLatchedVars( CVAR_LATCH );
	}

	svs.initialized = qtrue;

	if( sv_skilllevel->integer > 2 )
		Cvar_ForceSet( "sv_skilllevel", "2" );
	if( sv_skilllevel->integer < 0 )
		Cvar_ForceSet( "sv_skilllevel", "0" );

	// init clients
	if( sv_maxclients->integer < 1 )
		Cvar_FullSet( "sv_maxclients", "8", CVAR_SERVERINFO | CVAR_LATCH, qtrue );
	else if( sv_maxclients->integer > MAX_CLIENTS )
		Cvar_FullSet( "sv_maxclients", va( "%i", MAX_CLIENTS ), CVAR_SERVERINFO | CVAR_LATCH, qtrue );

	svs.spawncount = rand();
	svs.clients = Mem_Alloc( sv_mempool, sizeof( client_t )*sv_maxclients->integer );
	svs.client_entities.num_entities = sv_maxclients->integer * UPDATE_BACKUP * MAX_SNAP_ENTITIES;
	svs.client_entities.entities = Mem_Alloc( sv_mempool, sizeof( entity_state_t ) * svs.client_entities.num_entities );

	// init network stuff

	address.type = NA_NOTRANSMIT;
	ipv6_address.type = NA_NOTRANSMIT;

	if( !dedicated->integer )
	{
		NET_InitAddress( &address, NA_LOOPBACK );
		if( !NET_OpenSocket( &svs.socket_loopback, SOCKET_LOOPBACK, &address, qtrue ) )
			Com_Error( ERR_FATAL, "Couldn't open loopback socket: %s\n", NET_ErrorString() );
	}

	if( dedicated->integer || sv_maxclients->integer > 1 )
	{
		qboolean socket_opened = qfalse;

		// IPv4
		NET_StringToAddress( sv_ip->string, &address );
		NET_SetAddressPort( &address, sv_port->integer );
		if( !NET_OpenSocket( &svs.socket_udp, SOCKET_UDP, &address, qtrue ) )
			Com_Printf( "Error: Couldn't open UDP socket: %s\n", NET_ErrorString() );
		else
			socket_opened = qtrue;

		// IPv6
		NET_StringToAddress( sv_ip6->string, &ipv6_address );
		if( ipv6_address.type == NA_IP6 )
		{
			NET_SetAddressPort( &ipv6_address, sv_port6->integer );
			if( !NET_OpenSocket( &svs.socket_udp6, SOCKET_UDP, &ipv6_address, qtrue ) )
				Com_Printf( "Error: Couldn't open UDP6 socket: %s\n", NET_ErrorString() );
			else
				socket_opened = qtrue;
		}
		else
			Com_Printf( "Error: invalid IPv6 address: %s\n", sv_ip6->string );

		if( dedicated->integer && !socket_opened )
			Com_Error( ERR_FATAL, "Couldn't open any socket\n" );
	}

#ifdef TCP_ALLOW_CONNECT
	if( sv_tcp->integer && ( dedicated->integer || sv_maxclients->integer > 1 ) )
	{
		if( !NET_OpenSocket( &svs.socket_tcp, SOCKET_TCP, &address, qtrue ) )
		{
			Com_Printf( "Error: Couldn't open TCP socket: %s", NET_ErrorString() );
			Cvar_ForceSet( "sv_tcp", "0" );
		}
		else
		{
			if( !NET_Listen( &svs.socket_tcp ) )
			{
				Com_Printf( "Error: Couldn't listen to TCP socket: %s", NET_ErrorString() );
				NET_CloseSocket( &svs.socket_tcp );
				Cvar_ForceSet( "sv_tcp", "0" );
			}
		}
	}
#endif

	// init mm
	// SV_MM_Init();

	// init game
	SV_InitGameProgs();
	for( i = 0; i < sv_maxclients->integer; i++ )
	{
		ent = EDICT_NUM( i+1 );
		ent->s.number = i+1;
		svs.clients[i].edict = ent;
	}

	// load the map
	assert( !svs.cms );
	svs.cms = CM_New( NULL );
}
Exemplo n.º 5
0
/*
* SV_ShutdownGame
*
* Called when each game quits
*/
void SV_ShutdownGame( const char *finalmsg, bool reconnect ) {
	if( !svs.initialized ) {
		return;
	}

	if( svs.demo.file ) {
		SV_Demo_Stop_f();
	}

	if( svs.clients ) {
		SV_FinalMessage( finalmsg, reconnect );
	}

	SV_ShutdownGameProgs();

	// SV_MM_Shutdown();

	SV_MasterSendQuit();

	NET_CloseSocket( &svs.socket_loopback );
	NET_CloseSocket( &svs.socket_udp );
	NET_CloseSocket( &svs.socket_udp6 );
#ifdef TCP_ALLOW_CONNECT
	if( sv_tcp->integer ) {
		NET_CloseSocket( &svs.socket_tcp );
		NET_CloseSocket( &svs.socket_tcp6 );
	}
#endif

	// get any latched variable changes (sv_maxclients, etc)
	Cvar_GetLatchedVars( CVAR_LATCH );

	if( svs.clients ) {
		Mem_Free( svs.clients );
		svs.clients = NULL;
	}

	if( svs.client_entities.entities ) {
		Mem_Free( svs.client_entities.entities );
		memset( &svs.client_entities, 0, sizeof( svs.client_entities ) );
	}

	if( svs.cms ) {
		// CM_ReleaseReference will take care of freeing up the memory
		// if there are no other modules referencing the collision model
		CM_ReleaseReference( svs.cms );
		svs.cms = NULL;
	}

	Com_SetServerCM( NULL, 0 );

	memset( &sv, 0, sizeof( sv ) );
	Com_SetServerState( sv.state );

	Com_FreePureList( &svs.purelist );

	if( svs.motd ) {
		Mem_Free( svs.motd );
		svs.motd = NULL;
	}

	if( sv_mempool ) {
		Mem_EmptyPool( sv_mempool );
	}

	if( svs.wakelock ) {
		Sys_ReleaseWakeLock( svs.wakelock );
		svs.wakelock = NULL;
	}

	memset( &svs, 0, sizeof( svs ) );

	svs.initialized = false;
}
Exemplo n.º 6
0
/*
* SV_DropClient
* 
* Called when the player is totally leaving the server, either willingly
* or unwillingly.  This is NOT called if the entire server is quiting
* or crashing.
*/
void SV_DropClient( client_t *drop, int type, const char *format, ... )
{
	va_list	argptr;
	char *reason;
	char string[1024];

	if( format )
	{
		va_start( argptr, format );
		Q_vsnprintfz( string, sizeof( string ), format, argptr );
		va_end( argptr );
		reason = string;
	}
	else
	{
		Q_strncpyz( string, "User disconnected", sizeof( string ) );
		reason = NULL;
	}

	// remove the rating of the client
	if( drop->edict )
		ge->RemoveRating( drop->edict );

	// add the disconnect
	if( drop->edict && ( drop->edict->r.svflags & SVF_FAKECLIENT ) )
	{
		ge->ClientDisconnect( drop->edict, reason );
		SV_ClientResetCommandBuffers( drop ); // make sure everything is clean
	}
	else
	{
		SV_InitClientMessage( drop, &tmpMessage, NULL, 0 );
		SV_SendServerCommand( drop, "disconnect %i \"%s\"", type, string );
		SV_AddReliableCommandsToMessage( drop, &tmpMessage );

		SV_SendMessageToClient( drop, &tmpMessage );
		Netchan_PushAllFragments( &drop->netchan );

		if( drop->state >= CS_CONNECTED )
		{
			// call the prog function for removing a client
			// this will remove the body, among other things
			ge->ClientDisconnect( drop->edict, reason );
		}
		else if( drop->name[0] )
		{
			Com_Printf( "Connecting client %s%s disconnected (%s%s)\n", drop->name, S_COLOR_WHITE, reason,
				S_COLOR_WHITE );
		}
	}

	SV_MM_ClientDisconnect( drop );

	SNAP_FreeClientFrames( drop );

	if( drop->download.name )
	{
		if( drop->download.data )
		{
			FS_FreeBaseFile( drop->download.data );
			drop->download.data = NULL;
		}

		Mem_ZoneFree( drop->download.name );
		drop->download.name = NULL;

		drop->download.size = 0;
		drop->download.timeout = 0;
	}

	if( drop->individual_socket )
		NET_CloseSocket( &drop->socket );

	if( drop->mv )
	{
		sv.num_mv_clients--;
		drop->mv = qfalse;
	}

	drop->tvclient = qfalse;
	drop->state = CS_ZOMBIE;    // become free in a few seconds
	drop->name[0] = 0;
}
Exemplo n.º 7
0
/*
* SV_CheckTimeouts
* 
* If a packet has not been received from a client for timeout->value
* seconds, drop the conneciton.  Server frames are used instead of
* realtime to avoid dropping the local client while debugging.
* 
* When a client is normally dropped, the client_t goes into a zombie state
* for a few seconds to make sure any final reliable message gets resent
* if necessary
*/
static void SV_CheckTimeouts( void )
{
	client_t *cl;
	int i;

#ifdef TCP_SUPPORT
	// timeout incoming connections
	for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
	{
		if( svs.incoming[i].active && svs.incoming[i].time + 1000 * 15 < svs.realtime )
		{
			Com_Printf( "Incoming TCP connection from %s timed out\n", NET_AddressToString( &svs.incoming[i].address ) );
			NET_CloseSocket( &svs.incoming[i].socket );
			svs.incoming[i].active = qfalse;
		}
	}
#endif

	// timeout clients
	for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
	{
		// fake clients do not timeout
		if( cl->edict && ( cl->edict->r.svflags & SVF_FAKECLIENT ) )
			cl->lastPacketReceivedTime = svs.realtime;

		// message times may be wrong across a changelevel
		else if( cl->lastPacketReceivedTime > svs.realtime )
			cl->lastPacketReceivedTime = svs.realtime;

		if( cl->state == CS_ZOMBIE && cl->lastPacketReceivedTime + 1000 * sv_zombietime->value < svs.realtime )
		{
			cl->state = CS_FREE; // can now be reused
			if( cl->individual_socket )
				NET_CloseSocket( &cl->socket );
			continue;
		}

		if( ( cl->state != CS_FREE && cl->state != CS_ZOMBIE ) &&
			( cl->lastPacketReceivedTime + 1000 * sv_timeout->value < svs.realtime ) )
		{
			SV_DropClient( cl, DROP_TYPE_GENERAL, "Error: Connection timed out" );
			cl->state = CS_FREE; // don't bother with zombie state
			if( cl->socket.open )
				NET_CloseSocket( &cl->socket );
		}

		// timeout downloads left open
		if( ( cl->state != CS_FREE && cl->state != CS_ZOMBIE ) &&
			( cl->download.name && cl->download.timeout < svs.realtime ) )
		{
			Com_Printf( "Download of %s to %s%s timed out\n", cl->download.name, cl->name, S_COLOR_WHITE );

			if( cl->download.data )
			{
				FS_FreeBaseFile( cl->download.data );
				cl->download.data = NULL;
			}

			Mem_ZoneFree( cl->download.name );
			cl->download.name = NULL;

			cl->download.size = 0;
			cl->download.timeout = 0;
		}
	}
}
Exemplo n.º 8
0
/*
* SV_ReadPackets
*/
static void SV_ReadPackets( void )
{
	int i, socketind, ret;
	client_t *cl;
#ifdef TCP_SUPPORT
	socket_t newsocket;
	netadr_t mmserver;
#endif
	int game_port;
	socket_t *socket;
	netadr_t address;

	static msg_t msg;
	static qbyte msgData[MAX_MSGLEN];

	socket_t* sockets [] =
	{
		&svs.socket_loopback,
		&svs.socket_udp,
		&svs.socket_udp6,
	};

#ifdef TCP_SUPPORT

	if( SV_MM_Initialized() ) 
		SV_MM_NetAddress( &mmserver );

	if( svs.socket_tcp.open )
	{
		while( qtrue )
		{
			// find a free slot
			for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
			{
				if( !svs.incoming[i].active )
					break;
			}
			if( i == MAX_INCOMING_CONNECTIONS )
				break;

			if( ( ret = NET_Accept( &svs.socket_tcp, &newsocket, &address ) ) == 0 )
				break;
			if( ret == -1 )
			{
				Com_Printf( "NET_Accept: Error: %s\n", NET_ErrorString() );
				continue;
			}

			Com_Printf( "New TCP connection from %s\n", NET_AddressToString( &address ) );

			svs.incoming[i].active = qtrue;
			svs.incoming[i].socket = newsocket;
			svs.incoming[i].address = address;
			svs.incoming[i].time = svs.realtime;
		}
	}

	for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
	{
		if( !svs.incoming[i].active )
			continue;

		ret = NET_GetPacket( &svs.incoming[i].socket, &address, &msg );
		if( ret == -1 )
		{
			Com_Printf( "NET_GetPacket: Error: %s\n", NET_ErrorString() );
			NET_CloseSocket( &svs.incoming[i].socket );
			svs.incoming[i].active = qfalse;
		}
		else if( ret == 1 )
		{
			if( SV_MM_Initialized() && NET_CompareBaseAddress( &mmserver, &address ) )
			{
				Com_DPrintf( "TCP packet from matchmaker\n" );
				SV_MM_SetConnection( &svs.incoming[i] );
				SV_MM_Packet( &msg );
				SV_MM_SetConnection( NULL );
				continue;
			}
			if( *(int *)msg.data != -1 )
			{
				Com_Printf( "Sequence packet without connection\n" );
				NET_CloseSocket( &svs.incoming[i].socket );
				svs.incoming[i].active = qfalse;
				continue;
			}

			Com_Printf( "Connectionless TCP packet from: %s\n", NET_AddressToString( &address ) );

			SV_ConnectionlessPacket( &svs.incoming[i].socket, &address, &msg );
		}
	}
#endif

	MSG_Init( &msg, msgData, sizeof( msgData ) );

	for( socketind = 0; socketind < sizeof( sockets ) / sizeof( sockets[0] ); socketind++ )
	{
		socket = sockets[socketind];

		if( !socket->open )
			continue;

		while( ( ret = NET_GetPacket( socket, &address, &msg ) ) != 0 )
		{
			if( ret == -1 )
			{
				Com_Printf( "NET_GetPacket: Error: %s\n", NET_ErrorString() );
				continue;
			}

			// check for connectionless packet (0xffffffff) first
			if( *(int *)msg.data == -1 )
			{
				SV_ConnectionlessPacket( socket, &address, &msg );
				continue;
			}

			// read the game port out of the message so we can fix up
			// stupid address translating routers
			MSG_BeginReading( &msg );
			MSG_ReadLong( &msg ); // sequence number
			MSG_ReadLong( &msg ); // sequence number
			game_port = MSG_ReadShort( &msg ) & 0xffff;
			// data follows

			// check for packets from connected clients
			for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
			{
				unsigned short addr_port;

				if( cl->state == CS_FREE || cl->state == CS_ZOMBIE )
					continue;
				if( cl->edict && ( cl->edict->r.svflags & SVF_FAKECLIENT ) )
					continue;
				if( !NET_CompareBaseAddress( &address, &cl->netchan.remoteAddress ) )
					continue;
				if( cl->netchan.game_port != game_port )
					continue;

				addr_port = NET_GetAddressPort( &address );
				if( NET_GetAddressPort( &cl->netchan.remoteAddress ) != addr_port )
				{
					Com_Printf( "SV_ReadPackets: fixing up a translated port\n" );
					NET_SetAddressPort( &cl->netchan.remoteAddress, addr_port );
				}

				if( SV_ProcessPacket( &cl->netchan, &msg ) ) // this is a valid, sequenced packet, so process it
				{
					cl->lastPacketReceivedTime = svs.realtime;
					SV_ParseClientMessage( cl, &msg );
				}
				break;
			}
		}
	}

	// handle clients with individual sockets
	for( i = 0; i < sv_maxclients->integer; i++ )
	{
		cl = &svs.clients[i];

		if( cl->state == CS_ZOMBIE || cl->state == CS_FREE )
			continue;

		if( !cl->individual_socket )
			continue;

		// not while, we only handle one packet per client at a time here
		if( ( ret = NET_GetPacket( cl->netchan.socket, &address, &msg ) ) != 0 )
		{
			if( ret == -1 )
			{
				Com_Printf( "Error receiving packet from %s: %s\n", NET_AddressToString( &cl->netchan.remoteAddress ),
					NET_ErrorString() );
				if( cl->reliable )
					SV_DropClient( cl, DROP_TYPE_GENERAL, "Error receiving packet: %s", NET_ErrorString() );
			}
			else
			{
				if( SV_ProcessPacket( &cl->netchan, &msg ) )
				{
					// this is a valid, sequenced packet, so process it
					cl->lastPacketReceivedTime = svs.realtime;
					SV_ParseClientMessage( cl, &msg );
				}
			}
		}
	}
}
Exemplo n.º 9
0
/*
* TV_Downstream_CheckTimeouts
*/
void TV_Downstream_CheckTimeouts( void )
{
	client_t *client;
	int i;

#ifdef TCP_SUPPORT
	// timeout incoming upstreams
	for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
	{
		if( tvs.incoming[i].active && tvs.incoming[i].time + 1000 * 15 < tvs.realtime )
		{
			Com_Printf( "Incoming TCP upstream from %s timed out\n", NET_AddressToString( &tvs.incoming[i].address ) );
			NET_CloseSocket( &tvs.incoming[i].socket );
			tvs.incoming[i].active = qfalse;
		}
	}
#endif

	// timeout clients
	for( i = 0, client = tvs.clients; i < tv_maxclients->integer; i++, client++ )
	{
		// message times may be wrong across a changelevel
		if( client->lastPacketReceivedTime > tvs.realtime )
			client->lastPacketReceivedTime = tvs.realtime;

		if( client->state == CS_ZOMBIE && client->lastPacketReceivedTime + 1000 * tv_zombietime->value < tvs.realtime )
		{
			client->state = CS_FREE; // can now be reused
			if( client->individual_socket )
				NET_CloseSocket( &client->socket );
			continue;
		}

		if( ( client->state != CS_FREE && client->state != CS_ZOMBIE ) &&
			( client->lastPacketReceivedTime + 1000 * tv_timeout->value < tvs.realtime ) )
		{
			TV_Downstream_DropClient( client, DROP_TYPE_GENERAL, "Upstream timed out" );
			client->state = CS_FREE; // don't bother with zombie state
			if( client->socket.open )
				NET_CloseSocket( &client->socket );
		}

		// timeout downloads left open
		if( ( client->state != CS_FREE && client->state != CS_ZOMBIE ) &&
			( client->download.name && client->download.timeout < tvs.realtime ) )
		{
			Com_Printf( "Download of %s to %s" S_COLOR_WHITE " timed out\n", client->download.name, client->name );

			if( client->download.data )
			{
				FS_FreeBaseFile( client->download.data );
				client->download.data = NULL;
			}

			Mem_ZoneFree( client->download.name );
			client->download.name = NULL;

			client->download.size = 0;
			client->download.timeout = 0;
		}
	}
}
Exemplo n.º 10
0
/*
* TV_Downstream_ReadPackets
*/
void TV_Downstream_ReadPackets( void )
{
	int i, socketind, ret, game_port;
	client_t *cl;
#ifdef TCP_SUPPORT
	socket_t newsocket;
#endif
	socket_t *socket;
	netadr_t address;
	msg_t msg;
	qbyte msgData[MAX_MSGLEN];

	socket_t* sockets [] =
	{
		&tvs.socket_udp,
		&tvs.socket_udp6,
	};

#ifdef TCP_SUPPORT
	if( tvs.socket_tcp.open )
	{
		while( qtrue )
		{
			// find a free slot
			for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
			{
				if( !tvs.incoming[i].active )
					break;
			}
			if( i == MAX_INCOMING_CONNECTIONS )
				break;

			if( ( ret = NET_Accept( &tvs.socket_tcp, &newsocket, &address ) ) == 0 )
				break;
			if( ret == -1 )
			{
				Com_Printf( "NET_Accept: Error: %s\n", NET_ErrorString() );
				continue;
			}

			tvs.incoming[i].active = qtrue;
			tvs.incoming[i].socket = newsocket;
			tvs.incoming[i].address = address;
			tvs.incoming[i].time = tvs.realtime;
		}
	}

	for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
	{
		if( !tvs.incoming[i].active )
			continue;

		ret = NET_GetPacket( &tvs.incoming[i].socket, &address, &msg );
		if( ret == -1 )
		{
			NET_CloseSocket( &tvs.incoming[i].socket );
			tvs.incoming[i].active = qfalse;
		}
		else if( ret == 1 )
		{
			if( *(int *)msg.data != -1 )
			{                  // sequence packet without upstreams
				NET_CloseSocket( &tvs.incoming[i].socket );
				tvs.incoming[i].active = qfalse;
				continue;
			}

			TV_Downstream_UpstreamlessPacket( &tvs.incoming[i].socket, &address, &msg );
		}
	}
#endif

	MSG_Init( &msg, msgData, sizeof( msgData ) );

	for( socketind = 0; socketind < sizeof( sockets ) / sizeof( sockets[0] ); socketind++ )
	{
		socket = sockets[socketind];

		while( socket->open && ( ret = NET_GetPacket( socket, &address, &msg ) ) != 0 )
		{
			if( ret == -1 )
			{
				Com_Printf( "NET_GetPacket: Error: %s\n", NET_ErrorString() );
				continue;
			}

			// check for upstreamless packet (0xffffffff) first
			if( *(int *)msg.data == -1 )
			{
				TV_Downstream_UpstreamlessPacket( socket, &address, &msg );
				continue;
			}

			// read the game port out of the message so we can fix up
			// stupid address translating routers
			MSG_BeginReading( &msg );
			MSG_ReadLong( &msg ); // sequence number
			MSG_ReadLong( &msg ); // sequence number
			game_port = MSG_ReadShort( &msg ) & 0xffff;
			// data follows

			// check for packets from connected clients
			for( i = 0, cl = tvs.clients; i < tv_maxclients->integer; i++, cl++ )
			{
				unsigned short remoteaddr_port, addr_port;

				if( cl->state == CS_FREE || cl->state == CS_ZOMBIE )
					continue;
				if( !NET_CompareBaseAddress( &address, &cl->netchan.remoteAddress ) )
					continue;
				if( cl->netchan.game_port != game_port )
					continue;

				remoteaddr_port = NET_GetAddressPort( &cl->netchan.remoteAddress );
				addr_port = NET_GetAddressPort( &address );
				if( remoteaddr_port != addr_port )
				{
					Com_DPrintf( "%s" S_COLOR_WHITE ": Fixing up a translated port from %i to %i\n", cl->name,
						remoteaddr_port, addr_port );
					NET_SetAddressPort( &cl->netchan.remoteAddress, addr_port );
				}

				if( TV_Downstream_ProcessPacket( &cl->netchan, &msg ) )
				{                                           // this is a valid, sequenced packet, so process it
					cl->lastPacketReceivedTime = tvs.realtime;
					TV_Downstream_ParseClientMessage( cl, &msg );
				}
				break;
			}
		}
	}

	// handle clients with individual sockets
	for( i = 0; i < tv_maxclients->integer; i++ )
	{
		cl = &tvs.clients[i];

		if( cl->state == CS_ZOMBIE || cl->state == CS_FREE )
			continue;

		if( !cl->individual_socket )
			continue;

		// not while, we only handle one packet per client at a time here
		if( ( ret = NET_GetPacket( cl->netchan.socket, &address, &msg ) ) != 0 )
		{
			if( ret == -1 )
			{
				Com_Printf( "%s" S_COLOR_WHITE ": Error receiving packet: %s\n", cl->name, NET_ErrorString() );
				if( cl->reliable )
					TV_Downstream_DropClient( cl, DROP_TYPE_GENERAL, "Error receiving packet: %s", NET_ErrorString() );
			}
			else
			{
				if( *(int *)msg.data == -1 )
				{
					TV_Downstream_UpstreamlessPacket( cl->netchan.socket, &address, &msg );
				}
				else
				{
					if( TV_Downstream_ProcessPacket( &cl->netchan, &msg ) )
					{
						cl->lastPacketReceivedTime = tvs.realtime;
						TV_Downstream_ParseClientMessage( cl, &msg );
					}
				}
			}
		}
	}
}
Exemplo n.º 11
0
/*
* TV_Downstream_DropClient
*/
void TV_Downstream_DropClient( client_t *drop, int type, const char *format, ... )
{
	va_list	argptr;
	char string[1024];
	msg_t Message;
	qbyte MessageData[MAX_MSGLEN];

	va_start( argptr, format );
	Q_vsnprintfz( string, sizeof( string ), format, argptr );
	va_end( argptr );

	Com_Printf( "%s" S_COLOR_WHITE " dropped: %s\n", drop->name, string );

	TV_Downstream_InitClientMessage( drop, &Message, MessageData, sizeof( MessageData ) );

	TV_Downstream_SendServerCommand( drop, "disconnect %i \"%s\"", type, string );
	TV_Downstream_AddReliableCommandsToMessage( drop, &Message );

	TV_Downstream_SendMessageToClient( drop, &Message );
	Netchan_PushAllFragments( &drop->netchan );

	if( drop->relay && /*drop->relay->state == CA_ACTIVE && */drop->state >= CS_CONNECTING )
		TV_Relay_ClientDisconnect( drop->relay, drop );

	// make sure everything is clean
	TV_Downstream_ClientResetCommandBuffers( drop, qtrue );

	SNAP_FreeClientFrames( drop );

	if( drop->download.name )
	{
		if( drop->download.data )
		{
			FS_FreeBaseFile( drop->download.data );
			drop->download.data = NULL;
		}

		Mem_ZoneFree( drop->download.name );
		drop->download.name = NULL;

		drop->download.size = 0;
		drop->download.timeout = 0;
	}

	if( drop->individual_socket )
		NET_CloseSocket( &drop->socket );

	if( drop->mv )
	{
		tvs.nummvclients--;
		drop->mv = qfalse;
	}

	memset( &drop->flood, 0, sizeof( drop->flood ) );

	drop->edict = NULL;
	drop->relay = NULL;
	drop->tv = qfalse;
	drop->state = CS_ZOMBIE;    // become free in a few seconds
	drop->name[0] = 0;
}