private void ConnectionOnTerminatedUnexpectedly()
{
_isTerminating = true;
try
{
foreach (var kvp in _clientSessions)
{
var session = kvp.Value;
try
{
_log.Info($"Disconnected client due to unhandled error: {session}");
ClientDisconnected?.Invoke(session.ToIdentity());
}
catch (Exception ex)
{
_log.Error(ex);
}
}
}
finally
{
TerminatedUnexpectedly?.Invoke();
DisposeImpl(false);
}
}
internal void UnexpectedTermination(Exception exception)
{
TerminateAsync();
OngoingInitialisation = false;
var secondsOfActiveConnection = (DateTime.Now - (_currentConnectionStarted ?? DateTime.Now)).TotalSeconds;
Debug.WriteLine($"Event Listener terminated unexpectedly after {secondsOfActiveConnection} seconds.");
if (AutoReconnect)
{
Debug.WriteLine($"{exception.GetType()} occured.");
if (_firstReconnectAttempt == null)
{
_firstReconnectAttempt = DateTime.Now;
}
if (((DateTime)_firstReconnectAttempt).AddMinutes(1) < DateTime.Now)
{
_abortionRequested = false;
_attempts = 0;
_firstReconnectAttempt = null;
Debug.WriteLine("Attempting to reconnect...");
AttemptedReconnect?.Invoke(this, new AttemptedReconnectEvent(_attempts));
InitializeAsync();
}
else //recently attempted to reconnect
{
_attempts++;
Debug.WriteLine($"Attempting to reconnect... {_attempts}");
AttemptedReconnect?.Invoke(this, new AttemptedReconnectEvent(_attempts));
if (_attempts >= 3)
{
_abortionRequested = true;
_attempts = 0;
_firstReconnectAttempt = null;
Debug.WriteLine($"Too many reconnection attempts ({_attempts})");
Debug.WriteLine($"Event subscription will be terminated. ({_attempts})");
TerminatedUnexpectedly?.Invoke(this, new TerminatedUnexpectedlyEvent(exception));
Debug.WriteLine("New initialisation required.");
}
else
{
InitializeAsync();
}
}
}
else
{
Debug.WriteLine($"Event subscription will be terminated. ({_attempts})");
TerminatedUnexpectedly?.Invoke(this, new TerminatedUnexpectedlyEvent(exception));
AutoReconnect = false;
Debug.WriteLine("New initialisation required.");
}
}
private void ConnectionOnTerminatedUnexpectedly()
{
_isTerminatedUnexpectedly = true;
TerminatedUnexpectedly?.Invoke();
Dispose();
}