@Override
public void messageReceived(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
String req = packet.content().toString(CharsetUtil.UTF_8);
System.out.println(req);
if ("谚语字典查询?".equals(req)) {
ctx.writeAndFlush(
new DatagramPacket(
Unpooled.copiedBuffer("谚语查询结果: " + nextQuote(), CharsetUtil.UTF_8), packet.sender()));
}
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
String request = packet.content().toString(CharsetUtil.UTF_8);
if (logger.isDebugEnabled())
logger.debug("Sender " + packet.sender() + " sent request:" + request);
if (!sessionList.inverse().containsKey(packet.sender())) {
String session = UUID.randomUUID().toString();
String localAddress = ctx.channel().localAddress().toString();
String remoteAddress = ctx.channel().remoteAddress().toString();
SubscriptionManagerFactory.getInstance()
.add(session, session, outputType, localAddress, remoteAddress);
sessionList.put(session, packet.sender());
if (logger.isDebugEnabled())
logger.debug("Added Sender " + packet.sender() + ", session:" + session);
ctx.channel()
.writeAndFlush(
new DatagramPacket(
Unpooled.copiedBuffer(
Util.getWelcomeMsg().toString() + "\r\n", CharsetUtil.UTF_8),
packet.sender()));
}
Map<String, Object> headers = getHeaders(sessionList.inverse().get(packet.sender()));
producer.sendBodyAndHeaders(request, headers);
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
ByteBuf in = msg.content();
if (in.readUnsignedByte() != 0xFE || in.readUnsignedByte() != 0xFD) {
bungee.getLogger().log(Level.WARNING, "Query - Incorrect magic!: {0}", msg.sender());
return;
}
ByteBuf out = ctx.alloc().buffer();
AddressedEnvelope response = new DatagramPacket(out, msg.sender());
byte type = in.readByte();
int sessionId = in.readInt();
if (type == 0x09) {
out.writeByte(0x09);
out.writeInt(sessionId);
int challengeToken = random.nextInt();
sessions.put(challengeToken, System.currentTimeMillis());
writeNumber(out, challengeToken);
}
if (type == 0x00) {
int challengeToken = in.readInt();
Long session = sessions.get(challengeToken);
if (session == null || System.currentTimeMillis() - session > TimeUnit.SECONDS.toMillis(30)) {
throw new IllegalStateException("No session!");
}
out.writeByte(0x00);
out.writeInt(sessionId);
if (in.readableBytes() == 0) {
// Short response
writeString(out, listener.getMotd()); // MOTD
writeString(out, "SMP"); // Game Type
writeString(out, "BungeeCord_Proxy"); // World Name
writeNumber(out, bungee.getOnlineCount()); // Online Count
writeNumber(out, listener.getMaxPlayers()); // Max Players
writeShort(out, listener.getHost().getPort()); // Port
writeString(out, listener.getHost().getHostString()); // IP
} else if (in.readableBytes() == 4) {
// Long Response
out.writeBytes(
new byte[] {0x73, 0x70, 0x6C, 0x69, 0x74, 0x6E, 0x75, 0x6D, 0x00, (byte) 0x80, 0x00});
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", "");
// End Extra Info
data.put("map", "BungeeCord");
// data.put( "numplayers", Integer.toString( bungee.getOnlineCount() ) );
data.put("numplayers", Integer.toString(getFakePlayerNumber()));
data.put("maxplayers", Integer.toString(listener.getMaxPlayers()));
data.put("hostport", Integer.toString(listener.getHost().getPort()));
data.put("hostip", listener.getHost().getHostString());
for (Map.Entry<String, String> entry : data.entrySet()) {
writeString(out, entry.getKey());
writeString(out, entry.getValue());
}
out.writeByte(0x00); // Null
// Padding
writeString(out, "\01player_\00");
// Player List
for (ProxiedPlayer p : bungee.getPlayers()) {
writeString(out, p.getName());
}
// writeString( out, "Mr_ludek" );
// for(int x = 0; x < getFakePlayerNumber(); x++){
// }
writePlayers(getFakePlayerNumber(), out);
out.writeByte(0x00); // Null
} else {
// Error!
throw new IllegalStateException("Invalid data request packet");
}
}
ctx.writeAndFlush(response);
}
@Override
protected void handleIncoming(DatagramPacket msg) {
receiveMessage(msg.sender(), msg.content().nioBuffer());
}
