/// <summary>
/// Handles a buffered frame (variable length). Returns false the underyling connection should stop receiving.
/// </summary>
public bool HandleFrame(ByteBuffer buffer)
{
lock (stateSyncRoot)
{
try
{
if (State.IsExpectingProtocolHeader())
{
HandleHeaderNegotiation(buffer);
}
if (State.ShouldIgnoreReceivedData())
{
return(true);
}
ushort remoteChannelNumber = 0;
var frame = AmqpCodec.DecodeFrame(buffer, out remoteChannelNumber);
LastFrameReceivedDateTime = DateTime.UtcNow;
if (frame == null)
{
trace.Debug("Received Empty Frame");
return(true);
}
if (Trace.IsDebugEnabled)
{
var payloadSize = buffer.LengthAvailableToRead > 0 ? "Payload " + buffer.LengthAvailableToRead.ToString() + " Bytes" : "";
trace.Debug("RCVD CH({0}) {1} {2}", remoteChannelNumber.ToString(), frame.ToString(), payloadSize);
}
HandleConnectionFrame(frame, remoteChannelNumber, buffer);
return(true);
}
catch (AmqpException amqpException)
{
trace.Error(amqpException);
CloseConnection(amqpException.Error);
return(false);
}
catch (Exception fatalException)
{
trace.Fatal(fatalException, "Closing Connection due to fatal exception.");
var error = new Error()
{
Condition = ErrorCode.InternalError,
Description = "Closing Connection due to fatal exception: " + fatalException.Message,
};
CloseConnection(error);
return(false);
}
}
}
protected AmqpFrame DecodeLastFrame(out ushort channelNumber)
{
return(AmqpCodec.DecodeFrame(socket.WriteBuffer.Last(), out channelNumber));
}