internal static ByteBuffer EncodeCommand(FrameType type, ushort channel, Performative command, int payloadSize)
{
int frameSize = HeaderSize;
if (command != null)
{
frameSize += AmqpCodec.GetSerializableEncodeSize(command);
}
frameSize += payloadSize;
ByteBuffer buffer = new ByteBuffer(frameSize, false, false);
AmqpBitConverter.WriteUInt(buffer, (uint)frameSize);
AmqpBitConverter.WriteUByte(buffer, DefaultDataOffset);
AmqpBitConverter.WriteUByte(buffer, (byte)type);
AmqpBitConverter.WriteUShort(buffer, channel);
if (command != null)
{
AmqpCodec.EncodeSerializable(command, buffer);
}
return(buffer);
}
public static void Log(object source, bool send, Performative command)
{
AmqpDebugImpl instance = AmqpDebugImpl.GetInstance(source);
ulong code = command.DescriptorCode;
uint p1 = 0;
uint p2 = 0;
if (code == Transfer.Code)
{
Transfer transfer = (Transfer)command;
p1 = transfer.DeliveryId ?? 0;
p2 = transfer.Settled() ? 1u : 0u;
}
else if (code == Disposition.Code)
{
Disposition disp = (Disposition)command;
p1 = disp.First ?? 0;
p2 = disp.Last ?? p1;
}
else if (code == Flow.Code)
{
Flow flow = (Flow)command;
p1 = flow.IncomingWindow ?? 0;
p2 = flow.NextIncomingId ?? 0;
if (flow.Handle.HasValue)
{
instance.LogInternal(send, code, flow.DeliveryCount.Value, flow.LinkCredit.Value);
}
}
instance.LogInternal(send, code, p1, p2);
}
public void WriteFrame(Performative command, bool needReply)
{
try
{
#if DEBUG
Frame frame = new Frame(FrameType.Sasl) { Command = command };
frame.Trace(true);
AmqpTrace.Provider.AmqpLogOperationVerbose(this, TraceOperation.Send, frame);
#endif
ByteBuffer buffer = Frame.EncodeCommand(FrameType.Sasl, 0, command, 0);
TransportAsyncCallbackArgs args = new TransportAsyncCallbackArgs();
args.SetBuffer(buffer);
args.CompletedCallback = onWriteFrameComplete;
args.UserToken = this;
args.UserToken2 = needReply;
this.writer.WriteBuffer(args);
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
this.HandleException("WriteFrame", exception);
}
}
public static ByteBuffer EncodeCommand(FrameType type, ushort channel, Performative command, int payloadSize)
{
int frameSize = HeaderSize;
if (command != null)
{
frameSize += AmqpCodec.GetSerializableEncodeSize(command);
}
frameSize += payloadSize;
ByteBuffer buffer = new ByteBuffer(frameSize, false, false);
AmqpBitConverter.WriteUInt(buffer, (uint)frameSize);
AmqpBitConverter.WriteUByte(buffer, DefaultDataOffset);
AmqpBitConverter.WriteUByte(buffer, (byte)type);
AmqpBitConverter.WriteUShort(buffer, channel);
if (command != null)
{
AmqpCodec.EncodeSerializable(command, buffer);
}
return buffer;
}
public void SendCommand(Performative command, ArraySegment<byte>[] payload)
{
AmqpDebug.Log(this, true, command);
this.connection.SendCommand(command, this.LocalChannel, payload);
}
public void SendCommand(Performative command)
{
this.SendCommand(command, null);
}
public void SendCommand(Performative command, ushort channel, ArraySegment<byte>[] payload)
{
#if DEBUG
Frame frame = new Frame();
frame.Channel = channel;
frame.Command = command;
frame.Trace(true, this, channel, command, -1);
AmqpTrace.Provider.AmqpLogOperationVerbose(this, TraceOperation.Send, frame);
#endif
int frameSize = 0;
if (payload == null)
{
// The frame buffer is disposed when the write completes
ByteBuffer buffer = Frame.EncodeCommand(FrameType.Amqp, channel, command, 0);
frameSize = buffer.Length;
this.SendBuffer(buffer);
}
else
{
ByteBuffer[] buffers = new ByteBuffer[1 + payload.Length];
int payloadSize = 0;
for (int i = 0; i < payload.Length; ++i)
{
ArraySegment<byte> segment = payload[i];
payloadSize += segment.Count;
buffers[i + 1] = new ByteBuffer(segment);
}
// The frame buffer is disposed when the write completes
ByteBuffer cmdBuffer = Frame.EncodeCommand(FrameType.Amqp, channel, command, payloadSize);
frameSize = cmdBuffer.Length + payloadSize;
buffers[0] = cmdBuffer;
this.SendBuffers(buffers);
}
this.heartBeat.OnSend();
if (this.UsageMeter != null)
{
this.UsageMeter.OnWrite(this, command == null ? 0 : command.DescriptorCode, frameSize);
}
}
public static void Log(object source, bool send, Performative command)
{
#if AMQP_DEBUG
AmqpDebugImpl.Log(source, send, command);
#endif
}
public OpenEventArgs(Performative command)
{
this.command = command;
}
void HandleSaslCommand(Performative command)
{
if (command.DescriptorCode == SaslMechanisms.Code)
{
this.OnSaslServerMechanisms((SaslMechanisms)command);
}
else if (command.DescriptorCode == SaslInit.Code)
{
this.OnSaslInit((SaslInit)command);
}
else if (command.DescriptorCode == SaslChallenge.Code)
{
this.saslHandler.OnChallenge((SaslChallenge)command);
}
else if (command.DescriptorCode == SaslResponse.Code)
{
this.saslHandler.OnResponse((SaslResponse)command);
}
else if (command.DescriptorCode == SaslOutcome.Code)
{
this.OnSaslOutcome((SaslOutcome)command);
}
else
{
throw new AmqpException(AmqpErrorCode.NotAllowed, command.ToString());
}
}
