use of org.lanternpowered.server.network.message.CodecRegistration in project LanternServer by LanternPowered.
the class MessageCodecHandler method encode.
@Override
protected void encode(ChannelHandlerContext ctx, Message message, List<Object> output) throws Exception {
final Protocol protocol = this.codecContext.getSession().getProtocol();
final MessageRegistration<Message> registration = (MessageRegistration<Message>) protocol.outbound().findByMessageType(message.getClass()).orElse(null);
if (registration == null) {
throw new EncoderException("Message type (" + message.getClass().getName() + ") is not registered!");
}
CodecRegistration codecRegistration = registration.getCodecRegistration().orElse(null);
if (codecRegistration == null) {
throw new EncoderException("Message type (" + message.getClass().getName() + ") is not registered to allow encoding!");
}
/*
if (message instanceof MessagePlayOutWorldTime ||
message instanceof MessageInOutKeepAlive) {
} else {
System.out.println(message.getClass().getName());
}
*/
final ByteBuf opcode = ctx.alloc().buffer();
// Write the opcode of the message
writeVarInt(opcode, codecRegistration.getOpcode());
final Codec codec = codecRegistration.getCodec();
final ByteBuffer content;
try {
content = codec.encode(this.codecContext, message);
} finally {
ReferenceCountUtil.release(message);
}
// Add the buffer to the output
output.add(Unpooled.wrappedBuffer(opcode, ((LanternByteBuffer) content).getDelegate()));
}
use of org.lanternpowered.server.network.message.CodecRegistration in project LanternServer by LanternPowered.
the class MessageCodecHandler method decode.
@Override
public void decode(ChannelHandlerContext ctx, ByteBuf input, List<Object> output) throws Exception {
if (input.readableBytes() == 0) {
return;
}
final int opcode = readVarInt(input);
final ProtocolState state = this.codecContext.getSession().getProtocolState();
final Protocol protocol = state.getProtocol();
final CodecRegistration registration = protocol.inbound().find(opcode).orElse(null);
if (registration == null) {
if (warnedMissingOpcodes.add(opcode)) {
Lantern.getLogger().warn("Failed to find a message registration with opcode 0x{} in state {}!", Integer.toHexString(opcode), state);
}
return;
}
// Copy the remaining content of the buffer to a new buffer used by the
// message decoding
final ByteBuffer content = this.codecContext.byteBufAlloc().buffer(input.readableBytes());
input.readBytes(((LanternByteBuffer) content).getDelegate(), input.readableBytes());
// Read the content of the message
final Message message;
try {
message = registration.getCodec().decode(this.codecContext, content);
if (content.available() > 0) {
Lantern.getLogger().warn("Trailing bytes {}b after decoding with message codec {} with opcode 0x{} in state {}!\n{}", content.available(), registration.getCodec().getClass().getName(), Integer.toHexString(opcode), state, message);
}
} finally {
content.release();
}
/*
if (message instanceof MessageInOutKeepAlive ||
message instanceof MessagePlayInPlayerMovement) {
} else {
System.out.println(message.getClass().getName());
}
*/
processMessage(message, output, protocol, state, this.codecContext);
}
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