protected override void OnStop()
{
// Signal the timer to stop running.
timer.Enabled = false;
eventLog.Log(new Event(EVENT_LOG_SOURCE_NAME, DateTime.Now, Event.SeverityLevels.Information, EVENT_LOG_CATEGORY_GENERAL,
"Expiration service stopped."));
}
/// <summary>
/// Logs an event to the event log.
/// </summary>
/// <param name="eventToLog">The event to Log.</param>
/// <returns>True if the event was logged, false otherwise.</returns>
public static bool Log(Event eventToLog)
{
// It's necessary to sleep to iterate the timestamp so the log will accept the entry.
Thread.Sleep(10);
return(eventLog.Log(eventToLog));
}
/// <summary>
/// Loads configuration data, and readies the service for execution.
/// </summary>
protected void InitializeService()
{
// Get the connection string for the database.
databaseConnectionString = (new ConfigurationItem(AppDomain.CurrentDomain.BaseDirectory + CONFIG_ITEM_DIRECTORY, DATABASE_CONNECTION_STRING_CONFIGURATION_ITEM_NAME, true)).Value;
// Create a SQL Event log instance for logging application events.
eventLog = new SqlEventLog(databaseConnectionString, typeof(MSStoredProcedure));
if (eventLog == null)
{
throw new ApplicationException("Unable to initialize event log.");
}
eventLog.Log(new Event(EVENT_LOG_SOURCE_NAME, DateTime.Now, Event.SeverityLevels.Information, EVENT_LOG_CATEGORY_GENERAL,
"Expiration service started."));
// Read the application's configuration from it's configuration item.
ReadApplicationConfig();
// Get the override payload template.
string payloadFilePath = AppDomain.CurrentDomain.BaseDirectory + OVERRIDE_PAYLOAD_TEMPLATE_PATH;
if (File.Exists(payloadFilePath))
{
try
{
unregisterPayloadTemplate = File.ReadAllAsText(payloadFilePath);
eventLog.Log(new Event(EVENT_LOG_SOURCE_NAME, DateTime.Now, Event.SeverityLevels.Information, EVENT_LOG_CATEGORY_GENERAL,
"Loaded unregister payload from " + payloadFilePath + " . "));
}
catch
{
eventLog.Log(new Event(EVENT_LOG_SOURCE_NAME, DateTime.Now, Event.SeverityLevels.Error, EVENT_LOG_CATEGORY_GENERAL,
"Unable to load unregister payload from " + payloadFilePath + " ."));
throw new ApplicationException("Unable to load unregister paylod. Check log for more details.");
}
}
}