/// <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;
}
}
