public WatchableService(string name,
string displayName,
ILoggerFactory loggerFactory,
IEmailSender emailService,
IConfiguration configuration)
{
Name = name;
DisplayName = displayName;
Metrics["Total Requests"] = TotalRequestCount.ToString();
Metrics["Successful Requests"] = SuccessfulRequestCount.ToString();
Metrics["Failed Requests"] = FailedRequestCount.ToString();
Metrics["Last Request Time"] = "";
Metrics["Min Request Time"] = "";
Metrics["Max Request Time"] = "";
Metrics["Avg Request Time"] = "";
Metrics["Total Request Time"] = "";
_logger = loggerFactory.CreateLogger(Name);
_emailService = emailService;
_adminEmails = configuration["Watcher:AdminEmails"];
_emailErrorSubject = configuration["Watcher:ErrorEmailSubject"] ?? "GRAFT Service Error (_service_name_)";
_emailWarningSubject = configuration["Watcher:WarningEmailSubject"] ?? "GRAFT Service Warninig (_service_name_)";
_emailRestoreSubject = configuration["Watcher:RestoreEmailSubject"] ?? "GRAFT Service Restore (_service_name_)";
_sendErrorEmail = Convert.ToBoolean(configuration[$"{Name}:SendErrorEmail"] ?? "true");
_sendWarningEmail = Convert.ToBoolean(configuration[$"{Name}:SendWarningEmail"] ?? "true");
_sendRestoreEmail = Convert.ToBoolean(configuration[$"{Name}:SendRestoreEmail"] ?? "true");
if (_emailErrorSubject != null)
{
_emailErrorSubject = _emailErrorSubject.Replace("_service_name_", DisplayName);
}
if (_emailWarningSubject != null)
{
_emailWarningSubject = _emailWarningSubject.Replace("_service_name_", DisplayName);
}
if (_emailRestoreSubject != null)
{
_emailRestoreSubject = _emailRestoreSubject.Replace("_service_name_", DisplayName);
}
_logger.LogInformation("Service started");
}
protected void UpdateStopwatchMetrics(Stopwatch sw, bool success)
{
TotalRequestCount++;
if (success)
{
SuccessfulRequestCount++;
}
else
{
FailedRequestCount++;
}
_lastElapsedTime = sw.Elapsed;
if (sw.Elapsed < _minElapsedTime)
{
_minElapsedTime = sw.Elapsed;
}
if (sw.Elapsed > _maxElapsedTime)
{
_maxElapsedTime = sw.Elapsed;
}
_totalElapsedTime += sw.Elapsed;
_avgElapsedTime = _totalElapsedTime / TotalRequestCount;
Metrics["Total Requests"] = TotalRequestCount.ToString();
Metrics["Successful Requests"] = SuccessfulRequestCount.ToString();
Metrics["Failed Requests"] = FailedRequestCount.ToString();
Metrics["Last Request Time"] = _lastElapsedTime.ToString();
Metrics["Min Request Time"] = _minElapsedTime.ToString();
Metrics["Max Request Time"] = _maxElapsedTime.ToString();
Metrics["Avg Request Time"] = _avgElapsedTime.ToString();
Metrics["Total Request Time"] = _totalElapsedTime.ToString();
}
