public async Task Invoke(HttpContext context)
{
if (!context.WebSockets.IsWebSocketRequest)
{
await _next.Invoke(context);
return;
}
CancellationToken ct = context.RequestAborted;
using (WebSocket currentSocket = await context.WebSockets.AcceptWebSocketAsync())
{
var resultId = await ReceiveStringAsync(currentSocket, ct);
var cnt = 0;
while (!ct.IsCancellationRequested && !currentSocket.CloseStatus.HasValue)
{
var resultClient = ResultClient.Create();
var actualResult = await resultClient.Get(new Guid(resultId));
await SendStringAsync(currentSocket, $"{actualResult} {cnt++}", ct);
await Task.Delay(1000);
}
await currentSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "Closing", ct);
}
}
protected override async Task RunAsync(CancellationToken cancellationToken)
{
while (true)
{
try
{
var queueClient = QueueClient.Create(_queueName);
var message = await queueClient.GetMessageAsync();
if (message != null)
{
string response;
response = await RunSproAsync(message.SessionType, message.UserName);
//response = $"ANSWER FOR {message.MessageId} : {message.UserName} {message.SessionType}";
var resultClient = ResultClient.Create();
await resultClient.Set(message.MessageId, response).ConfigureAwait(false);
}
else
{
await Task.Delay(1000);
}
}
catch (Exception ex)
{
ServiceEventSource.Current.ServiceMessage(this.Context, "EXCEPTION : " + ex.ToString());
await Task.Delay(250);
}
}
}
