/// <summary>
/// Class managing the reception of an in-band bytestream.
/// </summary>
/// <param name="DataCallback">Method called when binary data has been received.</param>
/// <param name="CloseCallback">Method called when stream has been closed.</param>
/// <param name="State">State object</param>
/// <param name="BlockSize">Block size.</param>
public IncomingStream(DataReceivedEventHandler DataCallback, StreamClosedEventHandler CloseCallback, object State, int BlockSize)
{
this.dataCallback = DataCallback;
this.closeCallback = CloseCallback;
this.state = State;
this.blockSize = BlockSize;
}
/// <summary>
/// Call this method to accept the incoming stream.
/// </summary>
/// <param name="DataCallback">Method called when data has been received.</param>
/// <param name="CloseCallback">Method called when stream has been closed.</param>
/// <param name="State">State object to pass on to the callback method.</param>
/// <returns>If the stream acceptance was completed (true), or if somebody else accepted the stream beforehand (false).</returns>
public bool AcceptStream(DataReceivedEventHandler DataCallback, StreamClosedEventHandler CloseCallback, object State)
{
if (this.dataCallback is null)
{
this.dataCallback = DataCallback;
this.closeCallback = CloseCallback;
this.state = State;
return(true);
}
else
{
return(false);
}
}
internal void Closed(CloseReason Reason)
{
if (this.closeCallback != null)
{
try
{
this.closeCallback(this, new StreamClosedEventArgs(Reason, this.state));
}
catch (Exception ex)
{
Log.Critical(ex);
}
finally
{
this.closeCallback = null;
this.dataCallback = null;
}
}
}
