Method ProcessMessage

neo/framework/async/AsyncServer.cpp:2177–2235

================== idAsyncServer::ProcessMessage ================== */

==================
*/
bool idAsyncServer::ProcessMessage( const netadr_t from, idBitMsg &msg ) {
	int			i, id, sequence;
	idBitMsg	outMsg;
	byte		msgBuf[MAX_MESSAGE_SIZE];

	id = msg.ReadShort();

	// check for a connectionless message
	if ( id == CONNECTIONLESS_MESSAGE_ID ) {
		return ConnectionlessMessage( from, msg );
	}

	if ( msg.GetRemaingData() < 4 ) {
		common->DPrintf( "%s: tiny packet\n", Sys_NetAdrToString( from ) );
		return false;
	}

	// find out which client the message is from
	for ( i = 0; i < MAX_ASYNC_CLIENTS; i++ ) {
		serverClient_t &client = clients[i];

		if ( client.clientState == SCS_FREE ) {
			continue;
		}

		// This does not compare the UDP port, because some address translating
		// routers will change that at arbitrary times.
		if ( !Sys_CompareNetAdrBase( from, client.channel.GetRemoteAddress() ) || id != client.clientId ) {
			continue;
		}

		// make sure it is a valid, in sequence packet
		if ( !client.channel.Process( from, serverTime, msg, sequence ) ) {
			return false;		// out of order, duplicated, fragment, etc.
		}

		// zombie clients still need to do the channel processing to make sure they don't
		// need to retransmit the final reliable message, but they don't do any other processing
		if ( client.clientState == SCS_ZOMBIE ) {
			return false;
		}

		client.lastPacketTime = serverTime;

		ProcessReliableClientMessages( i );
		ProcessUnreliableClientMessage( i, msg );

		return false;
	}

	// if we received a sequenced packet from an address we don't recognize,
	// send an out of band disconnect packet to it
	outMsg.Init( msgBuf, sizeof( msgBuf ) );
	outMsg.WriteShort( CONNECTIONLESS_MESSAGE_ID );
	outMsg.WriteString( "disconnect" );
	serverPort.SendPacket( from, outMsg.GetData(), outMsg.GetSize() );

	return false;