public override void OnReceiveData(ChoConnectionState state)
{
while (state.AvailableData > 0)
{
int readBytes = state.Read(state.Buffer, 0, state.Buffer.Length);
byte[] buffer = state.Buffer.Take(readBytes).ToArray();
if (_inbuffer == null)
{
_inbuffer = buffer;
_headerFound = false;
}
else
{
_inbuffer = ChoByteArrayEx.Combine(_inbuffer, buffer);
}
try
{
if (!_headerFound)
{
_msgBodySize = ProcessHeader(out _headerFound);
}
if (_headerFound)
{
ProcessBody(state, _msgBodySize);
}
}
catch (Exception ex)
{
ChoTrace.Write(ex);
}
}
}
private bool ProcessBody(ChoConnectionState state, int msgBodySize)
{
if (_inbuffer.Length < msgBodySize)
{
return(false);
}
try
{
MemoryStream instream = new MemoryStream();
instream.Write(_inbuffer, 0, msgBodySize);
_inbuffer = ChoByteArrayEx.SubArray(_inbuffer, msgBodySize);
instream.Flush();
instream.Position = 0;
InvokeObjectReceived(state, instream.GetBuffer());
}
catch (Exception ex)
{
ChoTrace.Write(ex);
}
finally
{
//_inbuffer = null;
_headerFound = false;
}
return(true);
}
private bool ProcessBody()
{
if (_inbuffer.Length < _msgBodySize)
{
return(false);
}
MemoryStream _instream = new MemoryStream();
_instream.Write(_inbuffer, 0, _msgBodySize);
_inbuffer = ChoByteArrayEx.SubArray(_inbuffer, _msgBodySize);
_instream.Flush();
_instream.Position = 0;
try
{
var packet = _formatter.Deserialize(_instream);
OnObject(packet);
}
finally
{
_headerFound = false;
}
return(true);
}
public override void OnReceiveData(ChoConnectionState state)
{
while (state.AvailableData > 0)
{
int readBytes = state.Read(state._buffer, 0, state._buffer.Length);
byte[] buffer = state._buffer.Take(readBytes).ToArray();
if (_inbuffer == null)
{
_inbuffer = buffer;
}
else
{
_inbuffer = ChoByteArrayEx.Combine(_inbuffer, buffer);
}
if (!_headerFound)
{
_msgBodySize = ProcessHeader();
if (_headerFound)
{
ProcessBody();
}
}
else
{
ProcessBody();
}
}
}
public override byte[] Marshal(byte[] buffer, out int length)
{
var header = new byte[8];
byte[] streamLength = BitConverter.GetBytes((Int32)buffer.Length);
Buffer.BlockCopy(_version, 0, header, 0, _version.Length);
Buffer.BlockCopy(streamLength, 0, header, _version.Length, streamLength.Length);
byte[] ret = ChoByteArrayEx.Combine(header, buffer.Take((Int32)buffer.Length).ToArray());
length = ret != null ? ret.Length : 0;
return(ret);
}
private int ProcessHeader()
{
if (_inbuffer.Length < 8)
{
return(-1);
}
_headerFound = true;
int version = BitConverter.ToInt32(_inbuffer, 0);
int bodySize = BitConverter.ToInt32(_inbuffer, 4);
_inbuffer = ChoByteArrayEx.SubArray(_inbuffer, 8);
return(bodySize);
}
/// <summary>
/// Send an object.
/// </summary>
/// <param name="value">Object to send</param>
/// <remarks>
/// Must be marked as serializable and connection must be open.
/// </remarks>
public override byte[] ToByteArray(object value)
{
var stream = new MemoryStream();
stream.Position = 0;
_formatter.Serialize(stream, value);
byte[] body = stream.GetBuffer();
var header = new byte[8];
byte[] streamLength = BitConverter.GetBytes((Int32)stream.Length);
Buffer.BlockCopy(_version, 0, header, 0, _version.Length);
Buffer.BlockCopy(streamLength, 0, header, _version.Length, streamLength.Length);
return(ChoByteArrayEx.Combine(header, body.Take((Int32)stream.Length).ToArray()));
}
