public bool ReadFrame(out PipeFrame frame)
{
if (!this.IsConnected)
{
throw new InvalidPipeException("Cannot read Native Stream as pipe is not connected");
}
int count = NativePipe.ReadFrame(this._buffer, this._buffer.Length);
if (count <= 0)
{
this._lasterr = NativePipe.PipeReadError.ReadEmptyMessage;
if (count < 0)
{
this._lasterr = (NativePipe.PipeReadError)count;
this.Logger.Error("Native pipe failed to read: {0}", (object)this._lasterr.ToString());
this.Close();
}
frame = new PipeFrame();
return(false);
}
using (MemoryStream memoryStream = new MemoryStream(this._buffer, 0, count))
{
frame = new PipeFrame();
if (frame.ReadStream((Stream)memoryStream) && frame.Length != 0U)
{
return(true);
}
this.Logger.Error("Pipe failed to read from the data received by the stream.");
return(false);
}
}
/// <summary>
/// Attempts to read a frame
/// </summary>
/// <param name="frame"></param>
/// <returns></returns>
public bool ReadFrame(out PipeFrame frame)
{
//Make sure we are connected
if (!IsConnected)
{
throw new InvalidPipeException("Cannot read Native Stream as pipe is not connected");
}
//Try and read the frame from the native pipe
int bytesRead = NativePipe.ReadFrame(_buffer, _buffer.Length);
if (bytesRead <= 0)
{
//Update the error message
_lasterr = NativePipe.PipeReadError.ReadEmptyMessage;
//A error actively occured. If it is 0 we just read no bytes.
if (bytesRead < 0)
{
//We have a pretty bad error, we will log it for prosperity.
_lasterr = (NativePipe.PipeReadError)bytesRead;
Logger.Error("Native pipe failed to read: {0}", _lasterr.ToString());
//Close this pipe
this.Close();
}
//Return a empty frame and return false (read failure).
frame = default(PipeFrame);
return(false);
}
//Parse the pipe
using (MemoryStream stream = new MemoryStream(_buffer, 0, bytesRead))
{
//Try to parse the stream
frame = new PipeFrame();
if (frame.ReadStream(stream) && frame.Length != 0)
{
return(true);
}
//We failed
Logger.Error("Pipe failed to read from the data received by the stream.");
return(false);
}
}
