static int Main(string[] args)
{
try
{
// Always reset the current working directory to where the executable is
// Absolutely necessary for services, and probably the desired behavior for
// console processes as well.
var path = Path.GetDirectoryName(Path.GetFullPath(Environment.GetCommandLineArgs()[0]));
if (!string.IsNullOrEmpty(path))
Directory.SetCurrentDirectory(path);
// Initialize the logging system
Logger.Configuration.Path = path;
Logger.Configuration.ProcessName = "cronical";
Logger.Configuration.Retention = 3;
// CTRL-C subprocess handler
if ((args.FirstOrDefault() ?? "") == "ctrlc")
{
InjectCtrlC.Handle(args);
return 0;
}
Logger.Configuration.EchoToConsole = true;
_opts = new CommandLineOptions(args);
if (!File.Exists(_opts.ConfigFile))
throw new FileNotFoundException("Can't find cron data file " + _opts.ConfigFile);
Logger.Configuration.Severity = _opts.DebugLogs ? LogSeverity.Debug : LogSeverity.Default;
Logger.Notice("Cronical booting up");
var service = new Service { Filename = _opts.ConfigFile };
if (_opts.InstallService)
{
// Install the program as a Windows service
InstallService(_opts);
return 0;
}
if (_opts.RemoveService)
{
// Remove the program from the list of Windows services
RemoveService(_opts);
return 0;
}
if (_opts.Console)
{
Logger.Log("Starting Cronical as a console program...");
RunStandalone(service);
}
else
{
Logger.Log("Starting Cronical as a service...");
ServiceBase.Run(service);
}
return 0;
}
catch (OperationCanceledException)
{
// Thrown when we abort startup, perhaps to display help ... just exit
return 1;
}
catch (Exception ex)
{
Logger.Error(ex.GetType().Name + ": " + ex.Message);
return 1;
}
}
private static void RunStandalone(Service service)
{
var ctrlCFired = false;
service.Initialize();
try
{
var breakEvent = new ManualResetEvent(false);
Console.CancelKeyPress += (sender, args) =>
{
args.Cancel = true;
breakEvent.Set();
if (ctrlCFired == false)
{
Logger.Notice("Break signaled, exiting");
ctrlCFired = true;
}
};
// Run until CTRL-C or CTRL-BREAK
breakEvent.WaitOne();
}
finally
{
service.Shutdown();
}
}