private ArraySegment <byte> CreatePreamble()
{
EncodedVia encodedVia = new EncodedVia(this.Via.AbsoluteUri);
EncodedContentType encodedContentType = EncodedContentType.Create(this.MessageEncoder.ContentType);
// calculate preamble length
int startSize = ClientDuplexEncoder.ModeBytes.Length + SessionEncoder.CalcStartSize(encodedVia, encodedContentType);
int preambleEndOffset = 0;
if (_upgrade == null)
{
preambleEndOffset = startSize;
startSize += ClientDuplexEncoder.PreambleEndBytes.Length;
}
byte[] startBytes = Fx.AllocateByteArray(startSize);
Buffer.BlockCopy(ClientDuplexEncoder.ModeBytes, 0, startBytes, 0, ClientDuplexEncoder.ModeBytes.Length);
SessionEncoder.EncodeStart(startBytes, ClientDuplexEncoder.ModeBytes.Length, encodedVia, encodedContentType);
if (preambleEndOffset > 0)
{
Buffer.BlockCopy(ClientDuplexEncoder.PreambleEndBytes, 0, startBytes, preambleEndOffset, ClientDuplexEncoder.PreambleEndBytes.Length);
}
return(new ArraySegment <byte>(startBytes, 0, startSize));
}
private ArraySegment <byte> EncodeSessionPreamble()
{
EncodedVia via = new EncodedVia(this.Via.AbsoluteUri);
EncodedContentType contentType = EncodedContentType.Create(this.encoder.ContentType);
int bufferSize = (ClientSimplexEncoder.ModeBytes.Length + SessionEncoder.CalcStartSize(via, contentType)) + SessionEncoder.PreambleEndBytes.Length;
byte[] dst = this.Factory.BufferManager.TakeBuffer(bufferSize);
Buffer.BlockCopy(ClientSimplexEncoder.ModeBytes, 0, dst, 0, ClientSimplexEncoder.ModeBytes.Length);
SessionEncoder.EncodeStart(dst, ClientSimplexEncoder.ModeBytes.Length, via, contentType);
Buffer.BlockCopy(SessionEncoder.PreambleEndBytes, 0, dst, bufferSize - SessionEncoder.PreambleEndBytes.Length, SessionEncoder.PreambleEndBytes.Length);
return(new ArraySegment <byte>(dst, 0, bufferSize));
}
ArraySegment <byte> EncodeSessionPreamble()
{
EncodedVia encodedVia = new EncodedVia(this.Via.AbsoluteUri);
EncodedContentType encodedContentType = EncodedContentType.Create(this.encoder.ContentType);
int startSize = ClientSimplexEncoder.ModeBytes.Length
+ SessionEncoder.CalcStartSize(encodedVia, encodedContentType)
+ ClientSimplexEncoder.PreambleEndBytes.Length;
byte[] startBytes = this.Factory.BufferManager.TakeBuffer(startSize);
Buffer.BlockCopy(ClientSimplexEncoder.ModeBytes, 0, startBytes, 0, ClientSimplexEncoder.ModeBytes.Length);
SessionEncoder.EncodeStart(startBytes, ClientSimplexEncoder.ModeBytes.Length, encodedVia, encodedContentType);
Buffer.BlockCopy(ClientSimplexEncoder.PreambleEndBytes, 0, startBytes, startSize - ClientSimplexEncoder.PreambleEndBytes.Length, ClientSimplexEncoder.PreambleEndBytes.Length);
return(new ArraySegment <byte>(startBytes, 0, startSize));
}
private ArraySegment <byte> CreatePreamble()
{
EncodedVia via = new EncodedVia(this.Via.AbsoluteUri);
EncodedContentType contentType = EncodedContentType.Create(base.MessageEncoder.ContentType);
int size = ClientDuplexEncoder.ModeBytes.Length + SessionEncoder.CalcStartSize(via, contentType);
int dstOffset = 0;
if (this.upgrade == null)
{
dstOffset = size;
size += SessionEncoder.PreambleEndBytes.Length;
}
byte[] dst = DiagnosticUtility.Utility.AllocateByteArray(size);
Buffer.BlockCopy(ClientDuplexEncoder.ModeBytes, 0, dst, 0, ClientDuplexEncoder.ModeBytes.Length);
SessionEncoder.EncodeStart(dst, ClientDuplexEncoder.ModeBytes.Length, via, contentType);
if (dstOffset > 0)
{
Buffer.BlockCopy(SessionEncoder.PreambleEndBytes, 0, dst, dstOffset, SessionEncoder.PreambleEndBytes.Length);
}
return(new ArraySegment <byte>(dst, 0, size));
}