static int ReceiveFromBuffer(ByteBuffer byteBuffer, byte[] buffer, int offset, int count)
{
int len = byteBuffer.Length;
if (len <= count)
{
Buffer.BlockCopy(byteBuffer.Buffer, byteBuffer.Offset, buffer, offset, len);
byteBuffer.Reset();
return(len);
}
else
{
Buffer.BlockCopy(byteBuffer.Buffer, byteBuffer.Offset, buffer, offset, count);
byteBuffer.Complete(count);
return(count);
}
}
internal int SendCommand(ushort channel, Transfer transfer, bool first, ByteBuffer payload, int reservedBytes)
{
this.ThrowIfClosed("Send");
ByteBuffer buffer = this.AllocateBuffer(Frame.CmdBufferSize);
Frame.Encode(buffer, FrameType.Amqp, channel, transfer);
int payloadSize = payload.Length;
int frameSize = buffer.Length + payloadSize;
bool more = frameSize > this.remoteMaxFrameSize;
if (more)
{
transfer.More = true;
buffer.Reset();
Frame.Encode(buffer, FrameType.Amqp, channel, transfer);
frameSize = (int)this.remoteMaxFrameSize;
payloadSize = frameSize - buffer.Length;
}
AmqpBitConverter.WriteInt(buffer.Buffer, buffer.Offset, frameSize);
ByteBuffer frameBuffer;
if (first && !more && reservedBytes >= buffer.Length)
{
// optimize for most common case: single-transfer message
frameBuffer = this.WrapBuffer(payload, payload.Offset - buffer.Length, frameSize);
Array.Copy(buffer.Buffer, buffer.Offset, frameBuffer.Buffer, frameBuffer.Offset, buffer.Length);
buffer.ReleaseReference();
}
else
{
AmqpBitConverter.WriteBytes(buffer, payload.Buffer, payload.Offset, payloadSize);
frameBuffer = buffer;
}
payload.Complete(payloadSize);
this.writer.Send(frameBuffer);
if (Trace.TraceLevel >= TraceLevel.Frame)
{
Trace.WriteLine(TraceLevel.Frame, "SEND (ch={0}) {1} payload {2}", channel, transfer, payloadSize);
}
return(payloadSize);
}
static int ReceiveFromBuffer(ByteBuffer byteBuffer, byte[] buffer, int offset, int count)
{
int len = byteBuffer.Length;
if (len <= count)
{
Buffer.BlockCopy(byteBuffer.Buffer, byteBuffer.Offset, buffer, offset, len);
byteBuffer.Reset();
return len;
}
else
{
Buffer.BlockCopy(byteBuffer.Buffer, byteBuffer.Offset, buffer, offset, count);
byteBuffer.Complete(count);
return count;
}
}
