/// <summary> /// record a connection issue, filling in timestamps etc. /// and notify the listener /// </summary> /// <param name="newIssue">the connection issue to be recorded</param> /// <param name="listener">the listener for connection issues</param> /// <param name="services">for reporting exceptions in listener</param> public void Record(ConnectionIssue newIssue, IConnectionIssueListener listener, ILogConsistencyProtocolServices services) { newIssue.TimeStamp = DateTime.UtcNow; if (Issue != null) { newIssue.TimeOfFirstFailure = Issue.TimeOfFirstFailure; newIssue.NumberOfConsecutiveFailures = Issue.NumberOfConsecutiveFailures + 1; newIssue.RetryDelay = newIssue.ComputeRetryDelay(Issue.RetryDelay); } else { newIssue.TimeOfFirstFailure = newIssue.TimeStamp; newIssue.NumberOfConsecutiveFailures = 1; newIssue.RetryDelay = newIssue.ComputeRetryDelay(null); } Issue = newIssue; try { listener.OnConnectionIssue(newIssue); } catch (Exception e) { services.CaughtUserCodeException("OnConnectionIssue", nameof(Record), e); } }
public NotificationTracker(ILogConsistencyProtocolServices services, IEnumerable <string> remoteInstances, int maxNotificationBatchSize, IConnectionIssueListener listener) { this.services = services; this.listener = listener; sendWorkers = new Dictionary <string, NotificationWorker>(); this.maxNotificationBatchSize = maxNotificationBatchSize; foreach (var x in remoteInstances) { services.Log(Severity.Verbose, "Now sending notifications to {0}", x); sendWorkers.Add(x, new NotificationWorker(this, x)); } }
/// <summary> /// if there is a recorded issue, notify listener and clear it. /// </summary> /// <param name="listener">the listener for connection issues</param> /// <param name="services">for reporting exceptions in listener</param> public void Resolve(IConnectionIssueListener listener, ILogConsistencyProtocolServices services) { if (Issue != null) { try { listener.OnConnectionIssueResolved(Issue); } catch (Exception e) { services.CaughtUserCodeException("OnConnectionIssueResolved", nameof(Record), e); } Issue = null; } }