public async Task TestCancel(int timeout)
{
bool executed = false;
var delayedTask = new DelayedTask(() =>
{
executed = true;
return(Task.CompletedTask);
}, 500);
Assert.IsNull(delayedTask.Canceled);
await Task.Delay(100).ConfigureAwait(false);
delayedTask.Cancel();
if (timeout < 0)
{
await delayedTask.Task.ConfigureAwait(false);
}
else
{
await Task.Delay(timeout).ConfigureAwait(false);
}
Assert.IsTrue(delayedTask.Canceled ?? false);
Assert.IsFalse(executed);
}
protected override void OnClosing(CancelEventArgs e)
{
_saveConfigDelayed.Cancel();
SaveConfig();
e.Cancel = true;
Hide();
IPDFViewer.CloseDocument();
IPDFViewer.PDFElement = null;
base.OnClosing(e);
}
public async Task StartSendPriorityMessage(Message message, IClient exclude, long excludeFcmAccountId)
{
var sessions = await database.ChannelMembers.AsQueryable()
.Where(m => m.ChannelId == message.ChannelId)
.Join(database.Sessions, m => m.AccountId, s => s.AccountId, (m, s) => new { s.AccountId, s.SessionId })
.OrderBy(s => s.AccountId)
.ToArrayAsync().ConfigureAwait(false);
long lastAccountId = default;
DelayedTask lastTimer = null;
foreach (var session in sessions)
{
if (session.AccountId != lastAccountId)
{
lastAccountId = session.AccountId;
lastTimer = new DelayedTask(() =>
{
if (session.AccountId != excludeFcmAccountId)
{
return(notification.SendFcmNotification(session.AccountId));
}
else
{
return(Task.CompletedTask);
}
}, fcmOptions.Value.PriorityMessageAckTimeout);
}
// Declare a separate variable that can be safely captured and is not changed with the next iteration
DelayedTask timer = lastTimer;
void callback(IClient client, Packet packet)
{
if (packet is P22MessageReceived received && received.Dependencies[0].MessageId == message.MessageId)
{
timer.Cancel(); // Cancel timer because message has been received
client.PacketReceived -= callback;
}
}
if (connections.TryGet(session.SessionId, out IClient client) && !ReferenceEquals(client, exclude))
{
client.PacketReceived += callback;
_ = client.Enqueue(message.ToPacket(packets, client.AccountId));
}
}
}
