protected override void OnStart(string[] args)
{
try
{
AppDomain currentDomain = AppDomain.CurrentDomain;
currentDomain.UnhandledException += UnhandledExceptionEventHandler;
string info = string.Format(Emailer.startedMessageTempl, Environment.MachineName, DateTime.Now);
log.Info(info);
InitializeDivaInstance();
InitializeSettings(GetSettingsFromDatabase());
ServiceDAO.ResetIlcState();
ExecutorFactory.Instance.ConstructExecutor(ServiceDAO.GetScenarios());
projectIdsByCronExpressions = GetProjectIdsByCronExpressions();
InitializeSchedulerAsync();
settingsReloadTimer = new Timer(CheckSettingsVersionAndReloadIfNeeded, null, TIMER_DUE, TIMER_PERIOD);
fileWatcher = new FileSystemWatcher(Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName));
fileWatcher.NotifyFilter = NotifyFilters.LastWrite;
fileWatcher.Filter = Process.GetCurrentProcess().MainModule.ModuleName + ".config";
fileWatcher.EnableRaisingEvents = true;
fileWatcher.Changed += OnConfigFileChanged;
if (Emailer.SendEmail("", info, AppSettings.GetCommonRecipientEmailAddresses()))
{
scheduler.Start();
// Normal exit
return;
}
log.Error("Failed to send email. Service will be stopped.");
}
catch (CompileErrorException e)
{
log.Error("Script compiler error.");
Emailer.SendEmail(e.Message, "Script compiler error.",
AppSettings.GetCommonRecipientEmailAddresses(), e.FileName);
}
catch (Exception e)
{
String failureMessage = e.Message + "\n" + e.StackTrace;
log.Error("OnStart()", e);
// Error handling
Emailer.SendEmail(failureMessage, Emailer.generalFailureSubject,
AppSettings.GetCommonRecipientEmailAddresses());
}
Stop();
}
IDictionary <CronExpression, List <int> > GetProjectIdsByCronExpressions()
{
log.Info("Getting project Ids grouped by cron expressions.");
IList <KeyValuePair <string, int> > list = ServiceDAO.GetCronStringsByProjectIds();
Dictionary <CronExpression, List <int> > expressions = new Dictionary <CronExpression, List <int> >(new CronComparer());
foreach (KeyValuePair <string, int> kvp in list)
{
CronExpression cronExp = new CronExpression(kvp.Key);
List <int> projectsList;
if (!expressions.TryGetValue(cronExp, out projectsList))
{
projectsList = new List <int>();
expressions[cronExp] = projectsList;
}
projectsList.Add(kvp.Value);
}
return(expressions);
}
private bool IsReloadNeeded()
{
if (configFileChanged)
{
return(true);
}
try
{
uint ver = ServiceDAO.GetSettingsVersion();
if (AppSettings.GetSettingsVersion() != ver)
{
log.Info("Service settings have been changed from " + AppSettings.GetSettingsVersion() +
" to " + ver);
return(true);
}
}
catch (Exception ex)
{
log.Info("Can't get service settings version from database", ex);
}
return(false);
}
private IDictionary GetSettingsFromDatabase()
{
log.Info("Getting settings from database.");
return(ServiceDAO.GetIlcConfigurationSettings());
}