Make UDP query actually work.

This commit is contained in:
md_5 2013-11-06 20:02:37 +11:00
parent 8e390b5714
commit b4cd88c13d

View File

@ -7,6 +7,7 @@ import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.socket.DatagramPacket;
import java.nio.ByteOrder;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.TimeUnit;
@ -39,7 +40,7 @@ public class QueryHandler extends SimpleChannelInboundHandler<DatagramPacket>
{
for ( char c : s.toCharArray() )
{
buf.writeChar( c );
buf.writeByte( c );
}
buf.writeByte( 0x00 );
}
@ -48,7 +49,7 @@ public class QueryHandler extends SimpleChannelInboundHandler<DatagramPacket>
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception
{
ByteBuf in = msg.content();
if ( in.readUnsignedByte() != 0xFE && in.readUnsignedByte() != 0xFD )
if ( in.readUnsignedByte() != 0xFE || in.readUnsignedByte() != 0xFD )
{
throw new IllegalStateException( "Incorrect magic!" );
}
@ -72,7 +73,7 @@ public class QueryHandler extends SimpleChannelInboundHandler<DatagramPacket>
if ( type == 0x00 )
{
int challengeToken = out.readInt();
int challengeToken = in.readInt();
Long session = sessions.get( challengeToken );
if ( session == null || System.currentTimeMillis() - session > TimeUnit.SECONDS.toMillis( 30 ) )
{
@ -92,18 +93,18 @@ public class QueryHandler extends SimpleChannelInboundHandler<DatagramPacket>
writeNumber( out, listener.getMaxPlayers() ); // Max Players
writeShort( out, listener.getHost().getPort() ); // Port
writeString( out, listener.getHost().getHostString() ); // IP
} else if ( in.readableBytes() == 8 )
} else if ( in.readableBytes() == 4 )
{
// Long Response
out.writeBytes( new byte[ 11 ] );
Map<String, String> data = new HashMap<>();
Map<String, String> data = new LinkedHashMap<>();
data.put( "hostname", listener.getMotd() );
data.put( "gametype", "SMP" );
// Start Extra Info
data.put( "game_id", "MINECRAFT" );
data.put( "version", bungee.getGameVersion() );
// data.put( "plugins","");
data.put( "plugins", "" );
// End Extra Info
data.put( "map", "BungeeCord_Proxy" );
data.put( "numplayers", Integer.toString( bungee.getOnlineCount() ) );
@ -115,12 +116,11 @@ public class QueryHandler extends SimpleChannelInboundHandler<DatagramPacket>
{
writeString( out, entry.getKey() );
writeString( out, entry.getValue() );
}
out.writeByte( 0x00 ); // Null
// Padding
out.writeBytes( new byte[ 10 ] );
writeString( out, "\01player_\00" );
// Player List
for ( ProxiedPlayer p : bungee.getPlayers() )
{