public bool Decode(ChannelHandlerContext ctx, AlternativeCompositeByteBuf buffer, IPEndPoint recipient, IPEndPoint sender)
{
Logger.Debug("Decoding of TomP2P starts now. Readable: {0}.", buffer.ReadableBytes);
try
{
long readerBefore = buffer.ReaderIndex;
// set the sender of this message for handling timeout
var attrInetAddr = ctx.Attr(InetAddressKey);
attrInetAddr.Set(sender);
if (Message == null)
{
bool doneHeader = DecodeHeader(buffer, recipient, sender);
if (doneHeader)
{
// store the sender as an attribute
var attrPeerAddr = ctx.Attr(PeerAddressKey);
attrPeerAddr.Set(Message.Sender);
Message.SetIsUdp(ctx.Channel.IsUdp);
if (Message.IsFireAndForget() && Message.IsUdp)
{
TimeoutFactory.RemoveTimeout(ctx);
}
}
else
{
return false;
}
}
bool donePayload = DecodePayload(buffer);
//DecodeSignature(buffer, readerBefore, donePayload);
// TODO discardSomeReadBytes -> performance improvement
return donePayload;
}
catch (Exception ex)
{
ctx.FireExceptionCaught(ex);
Console.WriteLine(ex.ToString());
return true;
}
}
public override void UserEventTriggered(ChannelHandlerContext ctx, object evt)
{
if (evt is IdleStateHandlerTomP2P)
{
Logger.Warn("Channel timeout for channel {0} {1}.", _name, ctx.Channel);
PeerAddress recipient;
if (_tcsResponse != null)
{
// client-side
var requestMessage = (Message.Message)_tcsResponse.Task.AsyncState;
Logger.Warn("Request status is {0}.", requestMessage);
ctx.Channel.Closed +=
channel =>
_tcsResponse.SetException(
new TaskFailedException(String.Format("{0} is idle: {1}.", ctx.Channel, evt)));
ctx.FireTimeout();
ctx.Channel.Close();
recipient = requestMessage.Recipient;
}
else
{
// server-side
// .NET-specific:
// Don't close the channel, as this would close all service loops on a server.
// instead, set the session to be timed out.
ctx.FireTimeout();
// check if we have set an attribute at least
// (if we have already decoded the header)
var attrPeerAddr = ctx.Attr(Decoder.PeerAddressKey);
recipient = attrPeerAddr.Get();
}
if (_peerStatusListeners == null)
{
return;
}
var socketAddr = ctx.Channel.RemoteEndPoint;
if (socketAddr == null)
{
var attrInetAddr = ctx.Attr(Decoder.InetAddressKey);
socketAddr = attrInetAddr.Get();
}
lock (_peerStatusListeners)
{
foreach (var listener in _peerStatusListeners)
{
if (recipient != null)
{
listener.PeerFailed(recipient,
new PeerException(PeerException.AbortCauseEnum.Timeout, "Timeout!"));
}
else
{
if (socketAddr != null)
{
listener.PeerFailed(new PeerAddress(Number160.Zero, socketAddr.Address),
new PeerException(PeerException.AbortCauseEnum.Timeout, "Timeout!"));
}
else
{
Logger.Warn("Cannot determine the sender's address.");
}
}
}
}
}
}