public void ReadAndDispatch()
{
try
{
byte frameType = _reader.ReadByte();
// Console.WriteLine("Frame type " + frameType);
if (frameType == 'A')
{
// wtf
Console.WriteLine("Meh, protocol header received for some reason. darn it!");
}
ushort channel = _reader.ReadUInt16();
int payloadLength = _reader.ReadInt32();
// Console.WriteLine("> Incoming Frame (" + frameType + ") for channel [" + channel + "] payload size: " + payloadLength);
// needs special case for heartbeat, flow, etc..
// since they are not replies to methods we sent and alter the client's behavior
ushort classId = 0;
ushort methodId = 0;
if (frameType == AmqpConstants.FrameMethod)
{
classId = _reader.ReadUInt16();
methodId = _reader.ReadUInt16();
var classMethodId = classId << 16 | methodId;
// Console.WriteLine("> Incoming Method: class " + classId + " method " + methodId + " classMethodId " + classMethodId);
_frameProcessor.DispatchMethod(channel, classMethodId);
}
else if (frameType == AmqpConstants.FrameHeartbeat)
{
Console.WriteLine("received FrameHeartbeat");
}
byte frameEndMarker = _reader.ReadByte();
if (frameEndMarker != AmqpConstants.FrameEnd)
{
throw new Exception("Expecting frame end, but found " + frameEndMarker);
}
}
catch (ThreadAbortException)
{
// no-op
}
catch (Exception ex)
{
Console.WriteLine("Frame Reader error: " + ex);
throw;
}
}
public object ReadFieldValue()
{
object value = null;
byte discriminator = _reader.ReadByte();
switch ((char)discriminator)
{
case 'S':
value = (string)this.ReadLongstr();
break;
case 'I':
value = (Int32)_reader.ReadInt32();
break;
case 'A':
value = (IList)this.ReadArray();
break;
case 'b':
value = (sbyte)_reader.ReadSByte();
break;
case 'd':
value = (double)_reader.ReadDouble();
break;
case 'f':
value = (float)_reader.ReadSingle();
break;
case 'l':
value = (long)_reader.ReadInt64();
break;
case 's':
value = (short)_reader.ReadInt16();
break;
case 't':
value = _reader.ReadByte() != 0;
break;
// case 'x':
// value = new BinaryTableValue(ReadLongstr(reader));
// break;
// case 'D':
// // value = ReadDecimal(reader);
// break;
case 'T':
value = (AmqpTimestamp)ReadTimestamp();
break;
case 'F':
value = (IDictionary <string, object>) this.ReadTable();
break;
case 'V':
value = null;
break;
default:
throw new Exception("Unexpected type discriminator: " + (char)discriminator);
}
return(value);
}
public void ReadAndDispatch()
{
try
{
byte frameType = _reader.ReadByte();
if (frameType == 'A')
{
var msg = "Invalid frame received " + frameType;
LogAdapter.LogError(LogSource, msg);
throw new Exception(msg);
}
ushort channel = _reader.ReadUInt16();
int payloadLength = _reader.ReadInt32();
// needs special case for heartbeat, flow, etc..
// since they are not replies to methods we sent and alter the client's behavior
ushort classId, methodId;
classId = methodId = 0;
if (frameType == AmqpConstants.FrameMethod)
{
classId = _reader.ReadUInt16();
methodId = _reader.ReadUInt16();
var classMethodId = classId << 16 | methodId;
if (LogAdapter.ProtocolLevelLogEnabled)
{
LogAdapter.LogDebug(LogSource, "> Incoming Frame (" + frameType + ") for channel [" + channel + "] class (" + classId + ") method (" + methodId + ") payload size: " + payloadLength);
}
_frameProcessor.DispatchMethod(channel, classMethodId);
}
else if (frameType == AmqpConstants.FrameHeartbeat)
{
if (LogAdapter.ProtocolLevelLogEnabled)
{
LogAdapter.LogDebug(LogSource, "Received FrameHeartbeat");
}
_frameProcessor.DispatchHeartbeat();
}
byte frameEndMarker = _reader.ReadByte();
if (frameEndMarker != AmqpConstants.FrameEnd)
{
var msg = "Expecting frame end, but found " + frameEndMarker + ". The original class and method: " + classId + " " + methodId;
LogAdapter.LogError(LogSource, msg);
throw new Exception(msg);
}
}
catch (ThreadAbortException)
{
// no-op
}
catch (Exception ex)
{
if (LogAdapter.IsErrorEnabled)
{
LogAdapter.LogError(LogSource, "Frame Reader error", ex);
}
throw;
}
}
