public async Task DisconnectAsync()
{
if (WS is null)
{
return;
}
// TODO: requests cleanup code, sub-protocol dependent.
if (WS.State == WebSocketState.Open)
{
CTS.CancelAfter(TimeSpan.FromSeconds(2));
await WS.CloseOutputAsync(WebSocketCloseStatus.Empty, "", CancellationToken.None);
await WS.CloseAsync(WebSocketCloseStatus.NormalClosure, "", CancellationToken.None);
}
WS.Dispose();
WS = null;
CTS.Dispose();
CTS = null;
}
public async Task ConnectAsync(string url)
{
if (WS != null)
{
if (WS.State == WebSocketState.Open)
{
return;
}
else
{
WS.Dispose();
}
}
WS = new ClientWebSocket();
if (CTS != null)
{
CTS.Dispose();
}
CTS = new CancellationTokenSource();
await WS.ConnectAsync(new Uri(url), CTS.Token);
await Task.Factory.StartNew(ReceiveLoop, CTS.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
}
