internal virtual async void BindAsync(StreamSocket socketStream)
{
this.ConnectionStatus = ConnectionStatus.Connecting;
this.streamSocket = socketStream;
try
{
cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(socketObject.CancellationTokenSource.Token);
using (DataReader dataReader = new DataReader(socketStream.InputStream))
{
CancellationToken cancellationToken = cancellationTokenSource.Token;
//setup
cancellationToken.ThrowIfCancellationRequested();
dataReader.InputStreamOptions = InputStreamOptions.Partial;
this.ConnectionStatus = ConnectionStatus.Connected;
//Send a Hello message across
await Parse("Hello" + Environment.NewLine).ConfigureAwait(false);
loadOperation = dataReader.LoadAsync(bufferSize);
uint bytesAvailable = await loadOperation.AsTask(cancellationToken).ConfigureAwait(false);
while (bytesAvailable > 0 && loadOperation.Status == Windows.Foundation.AsyncStatus.Completed)
{
await streamAccess.WaitAsync().ConfigureAwait(false);
if (streamWritePosition == streamReadPosition)
{
streamReadPosition = 0;
streamWritePosition = 0;
memoryStream.SetLength(0);
}
memoryStream.Position = streamWritePosition;
byte[] buffer = dataReader.ReadBuffer(bytesAvailable).ToArray();
await memoryStream.WriteAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
streamWritePosition = memoryStream.Position;
streamAccess.Release();
await ParseStream().ConfigureAwait(false);
bytesRead += bytesAvailable;
loadOperation = dataReader.LoadAsync(bufferSize);
bytesAvailable = await loadOperation.AsTask(cancellationToken).ConfigureAwait(false);
}
dataReader.DetachBuffer();
dataReader.DetachStream();
}
}
catch (TaskCanceledException) { }
catch (Exception exception)
{
socketObject.ConnectionStatus = ConnectionStatus.Failed;
Debug.WriteLine(string.Format("Error receiving data: {0}", exception.Message));
}
await socketObject.CloseSession(this.sessionId).ConfigureAwait(false);
this.ConnectionStatus = ConnectionStatus.Disconnected;
this.OnMessageReceived -= socketObject.Instance_OnMessageReceived;
}
public override async Task CloseChannel(Guid sessionId)
{
await instance.CloseSession(sessionId).ConfigureAwait(false);
}