public bool AddFrontend(CoreDispatcher d, ISignalFrontend w)
{
Logger.LogTrace("AddFrontend() locking");
SemaphoreSlim.Wait(CancelSource.Token);
try
{
Logger.LogTrace("AddFrontend() locked");
if (Running && LikelyHasValidStore)
{
Logger.LogInformation("Registering frontend of dispatcher {0}", w.GetHashCode());
Frames.Add(d, w);
w.ReplaceConversationList(GetConversations());
DisappearingMessagesManager.AddFrontend(d, w);
return(true);
}
else
{
Logger.LogInformation("Ignoring AddFrontend call");
return(false);
}
}
finally
{
SemaphoreSlim.Release();
Logger.LogTrace("AddFrontend() released");
}
}
internal void UpdateMessageExpiration(SignalMessage message, uint conversationExpireTimeSeconds)
{
if (message.Type == Signal_Windows.Models.SignalMessageType.Normal && message.ExpiresAt == 0)
{
long messageExpiration;
if (conversationExpireTimeSeconds == 0)
{
messageExpiration = 0;
}
else
{
messageExpiration = Util.CurrentTimeMillis() + (long)TimeSpan.FromSeconds(conversationExpireTimeSeconds).TotalMilliseconds;
}
if (messageExpiration > 0)
{
message.ExpiresAt = messageExpiration;
SignalDBContext.UpdateMessageExpiresAt(message);
DisappearingMessagesManager.QueueForDeletion(message);
}
}
}
public async Task RemoveFrontend(CoreDispatcher d)
{
Logger.LogTrace("RemoveFrontend() locking");
await SemaphoreSlim.WaitAsync(CancelSource.Token);
try
{
Logger.LogTrace("RemoveFrontend() locked");
Logger.LogInformation("Unregistering frontend of dispatcher {0}", d.GetHashCode());
DisappearingMessagesManager.RemoveFrontend(d);
Frames.Remove(d);
}
catch (Exception e)
{
Logger.LogCritical($"RemoveFrontend failed(): {e.Message} ({e.GetType()})\n{e.StackTrace}");
}
finally
{
SemaphoreSlim.Release();
Logger.LogTrace("RemoveFrontend() released");
}
}
