public override void Append(byte[] someBytes, bool asFrame = false)
{
byte[] data = someBytes;
if (asFrame)
{
UInt64 dataLength;
if (InternalState == DataState.Empty)
{
byte[] headerBytes = _header.FromBytes(someBytes);
Payload.Add(new ArraySegment <byte>(headerBytes));
int dataStart = headerBytes.Length;
data =
new byte[
Math.Min(Convert.ToInt32(Math.Min(_header.PayloadSizeRemaining, int.MaxValue)),
someBytes.Length - dataStart)];
dataLength = Math.Min(_header.PayloadSizeRemaining, Convert.ToUInt64(someBytes.Length - dataStart));
Array.Copy(someBytes, dataStart, data, 0, Convert.ToInt32(dataLength));
Format = DataFormat.Frame;
}
else
{
dataLength = Math.Min(Convert.ToUInt64(data.Length), _header.PayloadSizeRemaining);
data = new byte[dataLength];
Array.Copy(someBytes, 0, data, 0, Convert.ToInt32(dataLength));
}
_header.PayloadSizeRemaining -= dataLength;
switch (_header.OpCode)
{
case OpCode.Close:
InternalState = DataState.Closed;
break;
case OpCode.Ping:
InternalState = DataState.Ping;
break;
case OpCode.Pong:
InternalState = DataState.Pong;
break;
default:
InternalState = _header.PayloadSizeRemaining == 0 ? DataState.Complete : DataState.Receiving;
break;
}
}
else
{
Format = DataFormat.Raw;
}
Payload.Add(new ArraySegment <byte>(data));
}
public override int Append(byte[] someBytes, int receivedByteCount = -1, bool asFrame = false, long maxLength = 0)
{
if (receivedByteCount < 0)
{
receivedByteCount = someBytes.Length;
}
int readCount;
if (asFrame)
{
// append data while receiving from network
int dataLength;
if (InternalState == DataState.Empty)
{
int dataStart;
byte[] headerBytes = _header.FromBytes(someBytes, receivedByteCount, out dataStart);
if (headerBytes == null)
{
return(0); // not all header bytes received
}
// header received
if (_header.PayloadSize < 0 || _header.PayloadSize > maxLength)
{
return(-1); // invalid data - disconnect
}
Payload.Add(new ArraySegment <byte>(headerBytes));
dataLength = Convert.ToInt32(Math.Min(_header.PayloadSizeRemaining, (long)(receivedByteCount - dataStart)));
var data = new byte[dataLength];
Array.Copy(someBytes, dataStart, data, 0, dataLength);
Format = DataFormat.Frame;
Payload.Add(new ArraySegment <byte>(data));
readCount = dataStart + dataLength;
}
else
{
dataLength = Convert.ToInt32(Math.Min(_header.PayloadSizeRemaining, (long)receivedByteCount));
var data = new byte[dataLength];
Array.Copy(someBytes, 0, data, 0, dataLength);
Payload.Add(new ArraySegment <byte>(data));
readCount = dataLength;
}
_header.PayloadSizeRemaining -= (long)dataLength;
switch (_header.OpCode)
{
case OpCode.Close:
InternalState = DataState.Closed;
break;
case OpCode.Ping:
InternalState = DataState.Ping;
break;
case OpCode.Pong:
InternalState = DataState.Pong;
break;
default:
InternalState = _header.PayloadSizeRemaining == 0 ? DataState.Complete : DataState.Receiving;
break;
}
}
else
{
// append user data to send later on - or append authentication header
Format = DataFormat.Raw;
Payload.Add(new ArraySegment <byte>(someBytes, 0, receivedByteCount));
readCount = receivedByteCount;
}
return(readCount);
}
public override int Append(byte[] someBytes, int receivedByteCount = -1, bool asFrame = false)
{
byte[] data = someBytes;
if (receivedByteCount < 0)
{
receivedByteCount = someBytes.Length;
}
int readCount;
if (asFrame)
{
int dataLength;
if (InternalState == DataState.Empty)
{
int dataStart;
byte[] headerBytes = _header.FromBytes(someBytes, receivedByteCount, out dataStart);
if (headerBytes == null)
{
return(0); // not all header bytes received
}
Payload.Add(new ArraySegment <byte>(headerBytes));
dataLength = Math.Min(Convert.ToInt32(_header.PayloadSizeRemaining), (receivedByteCount - dataStart));
data = new byte[dataLength];
Array.Copy(someBytes, dataStart, data, 0, dataLength);
Format = DataFormat.Frame;
readCount = dataStart + dataLength;
}
else
{
dataLength = Math.Min(Convert.ToInt32(_header.PayloadSizeRemaining), receivedByteCount);
data = new byte[dataLength];
Array.Copy(someBytes, 0, data, 0, dataLength);
readCount = dataLength;
}
_header.PayloadSizeRemaining -= Convert.ToUInt64(dataLength);
switch (_header.OpCode)
{
case OpCode.Close:
InternalState = DataState.Closed;
break;
case OpCode.Ping:
InternalState = DataState.Ping;
break;
case OpCode.Pong:
InternalState = DataState.Pong;
break;
default:
InternalState = _header.PayloadSizeRemaining == 0 ? DataState.Complete : DataState.Receiving;
break;
}
}
else
{
Format = DataFormat.Raw;
readCount = data.Length;
}
Payload.Add(new ArraySegment <byte>(data));
return(readCount);
}