protected override void ChannelRead0(IChannelHandlerContext context, IByteBuffer input)
{
if (_logger.IsTrace)
{
_logger.Trace($"Channel read {nameof(NettyHandshakeHandler)} from {context.Channel.RemoteAddress}");
}
if (_role == HandshakeRole.Recipient)
{
if (_logger.IsTrace)
{
_logger.Trace($"AUTH received from {context.Channel.RemoteAddress}");
}
byte[] authData = new byte[input.ReadableBytes];
input.ReadBytes(authData);
Packet ack = _service.Ack(_handshake, new Packet(authData));
//_p2PSession.RemoteNodeId = _remoteId;
if (_logger.IsTrace)
{
_logger.Trace($"Sending ACK to {RemoteId} @ {context.Channel.RemoteAddress}");
}
IByteBuffer buffer = PooledByteBufferAllocator.Default.Buffer();
buffer.WriteBytes(ack.Data);
context.WriteAndFlushAsync(buffer);
}
else
{
if (_logger.IsTrace)
{
_logger.Trace($"Received ACK from {RemoteId} @ {context.Channel.RemoteAddress}");
}
byte[] ackData = new byte[input.ReadableBytes];
input.ReadBytes(ackData);
_service.Agree(_handshake, new Packet(ackData));
}
_initCompletionSource?.SetResult(input);
_session.Handshake(_handshake.RemoteNodeId);
FrameCipher frameCipher = new FrameCipher(_handshake.Secrets.AesSecret);
FrameMacProcessor macProcessor = new FrameMacProcessor(_session.RemoteNodeId, _handshake.Secrets);
if (_role == HandshakeRole.Recipient)
{
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(LengthFieldBasedFrameDecoder)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast("enc-handshake-dec", new LengthFieldBasedFrameDecoder(ByteOrder.BigEndian, ushort.MaxValue, 0, 2, 0, 0, true));
}
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(ReadTimeoutHandler)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast(new ReadTimeoutHandler(TimeSpan.FromSeconds(30))); // read timeout instead of session monitoring
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(ZeroFrameDecoder)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast(new ZeroFrameDecoder(frameCipher, macProcessor, _logManager));
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(ZeroFrameEncoder)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast(new ZeroFrameEncoder(frameCipher, macProcessor, _logManager));
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(ZeroFrameMerger)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast(new ZeroFrameMerger(_logManager));
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(ZeroPacketSplitter)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast(new ZeroPacketSplitter(_logManager));
PacketSender packetSender = new PacketSender(_serializationService, _logManager);
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(PacketSender)} for {_session.RemoteNodeId} @ {context.Channel.RemoteAddress}");
}
context.Channel.Pipeline.AddLast(packetSender);
if (_logger.IsTrace)
{
_logger.Trace($"Registering {nameof(ZeroNettyP2PHandler)} for {RemoteId} @ {context.Channel.RemoteAddress}");
}
ZeroNettyP2PHandler handler = new ZeroNettyP2PHandler(_session, _logManager);
context.Channel.Pipeline.AddLast(_group, handler);
handler.Init(packetSender, context);
if (_logger.IsTrace)
{
_logger.Trace($"Removing {nameof(NettyHandshakeHandler)}");
}
context.Channel.Pipeline.Remove(this);
if (_logger.IsTrace)
{
_logger.Trace($"Removing {nameof(LengthFieldBasedFrameDecoder)}");
}
context.Channel.Pipeline.Remove <LengthFieldBasedFrameDecoder>();
}
private void Agree()
{
_initiatorService.Agree(_initiatorHandshake, _ack);
}
