private async Task RunSampleAsync(ModuleClient moduleClient, bool acceptDeviceStreamingRequest, CancellationTokenSource cancellationTokenSource)
{
Console.WriteLine("Creating DeviceStreamRequest");
DeviceStreamRequest streamRequest = await moduleClient.WaitForDeviceStreamRequestAsync(cancellationTokenSource.Token).ConfigureAwait(false);
if (streamRequest != null)
{
if (acceptDeviceStreamingRequest)
{
await moduleClient.AcceptDeviceStreamRequestAsync(streamRequest, cancellationTokenSource.Token).ConfigureAwait(false);
using (ClientWebSocket webSocket = await DeviceStreamingCommon.GetStreamingClientAsync(streamRequest.Uri, streamRequest.AuthorizationToken, cancellationTokenSource.Token).ConfigureAwait(false))
{
using (TcpClient tcpClient = new TcpClient())
{
await tcpClient.ConnectAsync(_hostName, _port).ConfigureAwait(false);
using (NetworkStream localStream = tcpClient.GetStream())
{
Console.WriteLine("Starting streaming");
await Task.WhenAny(
HandleIncomingDataAsync(localStream, webSocket, cancellationTokenSource.Token),
HandleOutgoingDataAsync(localStream, webSocket, cancellationTokenSource.Token)
).ConfigureAwait(false);
localStream.Close();
}
}
if (webSocket.State == WebSocketState.Open)
{
await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, cancellationTokenSource.Token).ConfigureAwait(false);
}
Console.WriteLine($"{DateTime.UtcNow} - Streaming stopped");
}
}
else
{
await moduleClient.RejectDeviceStreamRequestAsync(streamRequest, cancellationTokenSource.Token).ConfigureAwait(false);
}
}
}
public async Task RunSampleAsync(bool acceptDeviceStreamingRequest)
{
byte[] buffer = new byte[1024];
using (var cancellationTokenSource = new CancellationTokenSource(TimeSpan.FromMinutes(5)))
{
DeviceStreamRequest streamRequest = null;
if (this._deviceClient != null)
{
streamRequest = await _deviceClient.WaitForDeviceStreamRequestAsync(cancellationTokenSource.Token).ConfigureAwait(false);
}
else if (this._moduleClient != null)
{
streamRequest = await _moduleClient.WaitForDeviceStreamRequestAsync(cancellationTokenSource.Token).ConfigureAwait(false);
}
if (streamRequest != null)
{
if (acceptDeviceStreamingRequest)
{
if (this._deviceClient != null)
{
await _deviceClient.AcceptDeviceStreamRequestAsync(streamRequest, cancellationTokenSource.Token).ConfigureAwait(false);
}
else if (this._moduleClient != null)
{
await _moduleClient.AcceptDeviceStreamRequestAsync(streamRequest, cancellationTokenSource.Token).ConfigureAwait(false);
}
using (ClientWebSocket webSocket = await DeviceStreamingCommon.GetStreamingClientAsync(streamRequest.Url, streamRequest.AuthorizationToken, cancellationTokenSource.Token).ConfigureAwait(false))
{
WebSocketReceiveResult receiveResult = await webSocket.ReceiveAsync(new ArraySegment <byte>(buffer, 0, buffer.Length), cancellationTokenSource.Token).ConfigureAwait(false);
Console.WriteLine("Received stream data: {0}", Encoding.UTF8.GetString(buffer, 0, receiveResult.Count));
await webSocket.SendAsync(new ArraySegment <byte>(buffer, 0, receiveResult.Count), WebSocketMessageType.Binary, true, cancellationTokenSource.Token).ConfigureAwait(false);
Console.WriteLine("Sent stream data: {0}", Encoding.UTF8.GetString(buffer, 0, receiveResult.Count));
await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, String.Empty, cancellationTokenSource.Token).ConfigureAwait(false);
}
}
else
{
if (this._deviceClient != null)
{
await _deviceClient.RejectDeviceStreamRequestAsync(streamRequest, cancellationTokenSource.Token).ConfigureAwait(false);
}
else if (this._moduleClient != null)
{
await _moduleClient.RejectDeviceStreamRequestAsync(streamRequest, cancellationTokenSource.Token).ConfigureAwait(false);
}
}
}
if (this._deviceClient != null)
{
await _deviceClient.CloseAsync().ConfigureAwait(false);
}
else if (this._moduleClient != null)
{
await _moduleClient.CloseAsync().ConfigureAwait(false);
}
}
}
