public async Task WriteNotifications(Func <string, bool> shouldWriteByDb)
{
var receiveBuffer = new ArraySegment <byte>(new byte[1024]);
var receive = _webSocket.ReceiveAsync(receiveBuffer, _resourceShutdown);
var asyncQueue = new AsyncQueue <DynamicJsonValue>();
try
{
var sp = shouldWriteByDb == null ? null : Stopwatch.StartNew();
using (_notificationsBase.TrackActions(asyncQueue, this))
{
while (_resourceShutdown.IsCancellationRequested == false)
{
// we use this to detect client-initialized closure
if (receive.IsCompleted)
{
break;
}
var tuple = await asyncQueue.TryDequeueAsync(TimeSpan.FromSeconds(5));
if (tuple.Item1 == false)
{
await SendHeartbeat();
continue;
}
if (shouldWriteByDb != null &&
shouldWriteByDb((string)tuple.Item2["Database"]) == false)
{
if (sp.ElapsedMilliseconds > 5000)
{
sp.Restart();
await SendHeartbeat();
}
continue;
}
await WriteToWebSocket(tuple.Item2);
}
}
}
catch (OperationCanceledException)
{
}
}
public async Task WriteNotifications(Func <string, bool> shouldWriteByDb, Action firstTime = null)
{
var receiveBuffer = new ArraySegment <byte>(new byte[1024]);
var receive = _webSocket.ReceiveAsync(receiveBuffer, _resourceShutdown);
var asyncQueue = new AsyncQueue <DynamicJsonValue>();
try
{
using (_notificationsBase.TrackActions(asyncQueue, this))
{
firstTime?.Invoke();
while (_resourceShutdown.IsCancellationRequested == false)
{
// we use this to detect client-initialized closure
if (receive.IsCompleted)
{
break;
}
var tuple = await asyncQueue.TryDequeueAsync(TimeSpan.FromSeconds(5));
if (tuple.Item1 == false)
{
await _webSocket.SendAsync(WebSocketHelper.Heartbeat, WebSocketMessageType.Text, true, _resourceShutdown);
continue;
}
if (shouldWriteByDb != null &&
shouldWriteByDb((string)tuple.Item2["Database"]) == false)
{
continue;
}
await WriteToWebSocket(tuple.Item2);
}
}
}
catch (OperationCanceledException)
{
}
}
public async Task WriteNotifications(Func <string, bool> shouldWriteByDb)
{
var receiveBuffer = new ArraySegment <byte>(new byte[1024]);
var receive = _webSocket.ReceiveAsync(receiveBuffer, _resourceShutdown);
var asyncQueue = new AsyncQueue <DynamicJsonValue>();
try
{
using (_notificationsBase.TrackActions(asyncQueue, this, shouldWriteByDb))
{
AfterTrackActionsRegistration?.Invoke();
while (_resourceShutdown.IsCancellationRequested == false)
{
// we use this to detect client-initialized closure
if (receive.IsCompleted)
{
break;
}
var tuple = await asyncQueue.TryDequeueAsync(TimeSpan.FromSeconds(5));
if (tuple.Item1 == false)
{
await SendHeartbeat();
continue;
}
await WriteToWebSocket(tuple.Item2);
}
}
}
catch (OperationCanceledException)
{
}
}
