static int Main(string[] args)
{
Debug.Listeners.Add(new TextWriterTraceListener(Console.Out));
Debug.AutoFlush = true;
KayakOptions options = null;
try
{
options = new KayakOptionParser().Parse(args);
}
catch (OptionException e)
{
Console.Write("kayak: ");
Console.WriteLine(e.Message);
Console.WriteLine("Type `kayak --help` for more information.");
}
if (options.ShowHelp)
{
options.PrintHelp();
return(0);
}
if (options == null)
{
return(1);
}
try
{
// all configuration strings search
// AppDomain.CurrentDomain.SetupInformation.ApplicationBase for DLLs.
// to change that path, we'd need to create a new app domain with a different
// application base.
//var domain = AppDomain.CreateDomain("KayakScheduler domain", null, new AppDomainSetup()
//{
// ApplicationBase = Directory.GetCurrentDirectory(),
// ApplicationTrust = new ApplicationTrust(new PermissionSet(PermissionState.Unrestricted), Enumerable.Empty<StrongName>())
//});
//var launcher = (Launcher)domain.CreateInstanceFromAndUnwrap(
// Assembly.GetExecutingAssembly().CodeBase,
// typeof(Launcher).FullName);
new Launcher().LaunchScheduler(options);
//AppDomain.Unload(domain);
}
catch (Exception e)
{
Console.Error.WriteLine("kayak: failed to launch scheduler");
Console.Error.WriteLine(e.Message);
Console.Error.WriteStackTrace(e);
return(-1);
}
return(0);
}
public void LaunchScheduler(KayakOptions options)
{
// okay the default delegate kinds sucks because if the user's program doesn't
// explicitly call stop the thread essentially hangs, becaues the event loop
// frame never returns, it's just waiting on another task.
//
// something of a halting problem.
// would be better if scheduler just stopped when no more callbacks were queued.
//
// for now, you should use gate if you don't provide a delegate. scheduler and process args
// are passed in via env. call stop eventually, or be okay with your program never terminating
var kayakDelegate =
new KayakDelegateLoader().Load(options.KayakConfiguration)
?? new DefaultKayakDelegate();
var scheduler = KayakScheduler.Factory.Create(kayakDelegate);
scheduler.Post(() => kayakDelegate.OnStart(scheduler, options.RemainingArguments));
var gateOptions = options.GateOptions;
if (gateOptions != null)
{
var gateConfiguration = gateOptions.GateConfiguration;
var listenEndPoint = gateOptions.ListenEndPoint ?? new IPEndPoint(IPAddress.Any, 8000);
var context = new Dictionary <string, object>()
{
{ "kayak.ListenEndPoint", listenEndPoint },
{ "kayak.Arguments", options.RemainingArguments }
};
var config = DefaultConfigurationLoader.LoadConfiguration(gateConfiguration);
if (config == null)
{
throw new Exception("Could not load Gate configuration from configuration string '" + gateConfiguration + "'");
}
var app = AppBuilder.BuildConfiguration(config);
var server = KayakServer.Factory.CreateGate(app, scheduler, context);
scheduler.Post(() =>
{
Console.WriteLine("kayak: binding gate app to '" + listenEndPoint + "'");
server.Listen(listenEndPoint);
});
}
// blocks until Stop is called
scheduler.Start();
}
public void LaunchScheduler(KayakOptions options)
{
// okay the default delegate kinds sucks because if the user's program doesn't
// explicitly call stop the thread essentially hangs, becaues the event loop
// frame never returns, it's just waiting on another task.
//
// something of a halting problem.
// would be better if scheduler just stopped when no more callbacks were queued.
//
// for now, you should use gate if you don't provide a delegate. scheduler and process args
// are passed in via env. call stop eventually, or be okay with your program never terminating
var kayakDelegate =
new KayakDelegateLoader().Load(options.KayakConfiguration)
?? new DefaultKayakDelegate();
var scheduler = KayakScheduler.Factory.Create(kayakDelegate);
scheduler.Post(() => kayakDelegate.OnStart(scheduler, options.RemainingArguments));
var gateOptions = options.GateOptions;
if (gateOptions != null)
{
var gateConfiguration = gateOptions.GateConfiguration;
var listenEndPoint = gateOptions.ListenEndPoint ?? new IPEndPoint(IPAddress.Any, 8000);
var context = new Dictionary<string, object>()
{
{ "kayak.ListenEndPoint", listenEndPoint },
{ "kayak.Arguments", options.RemainingArguments }
};
var config = DefaultConfigurationLoader.LoadConfiguration(gateConfiguration);
if (config == null)
throw new Exception("Could not load Gate configuration from configuration string '" + gateConfiguration + "'");
var app = AppBuilder.BuildConfiguration(config);
var server = KayakServer.Factory.CreateGate(app, scheduler, context);
scheduler.Post(() =>
{
Console.WriteLine("kayak: binding gate app to '" + listenEndPoint + "'");
server.Listen(listenEndPoint);
});
}
// blocks until Stop is called
scheduler.Start();
}
public KayakOptions Parse(string[] args)
{
bool useGate = false;
string gateConfiguration = null;
string listenEndPoint = null;
List <string> remaining = null;
KayakOptions options = new KayakOptions();
options.optionSet = new OptionSet()
{
{ "g|gate:", "A Gate configuration string",
v => { useGate = true; gateConfiguration = v; } },
{ "b|bind=", "The endpoint the server should bind to (use in combination with -g/--gate",
v => listenEndPoint = v },
{ "h|?|help", "Print help and exit", v => options.ShowHelp = true },
};
remaining = options.optionSet.Parse(args);
if (remaining.Count > 0)
{
options.KayakConfiguration = remaining[0];
remaining.RemoveAt(0);
}
options.RemainingArguments = remaining.ToArray();
if (useGate)
{
options.GateOptions = new GateOptions();
options.GateOptions.GateConfiguration = gateConfiguration;
options.GateOptions.ListenEndPoint = parseEP(listenEndPoint);
}
return(options);
}
public KayakOptions Parse(string[] args)
{
bool useGate = false;
string gateConfiguration = null;
string listenEndPoint = null;
List<string> remaining = null;
KayakOptions options = new KayakOptions();
options.optionSet = new OptionSet()
{
{ "g|gate:", "A Gate configuration string",
v => { useGate = true; gateConfiguration = v; } },
{ "b|bind=", "The endpoint the server should bind to (use in combination with -g/--gate",
v => listenEndPoint = v },
{ "h|?|help", "Print help and exit", v => options.ShowHelp = true },
};
remaining = options.optionSet.Parse(args);
if (remaining.Count > 0)
{
options.KayakConfiguration = remaining[0];
remaining.RemoveAt(0);
}
options.RemainingArguments = remaining.ToArray();
if (useGate)
{
options.GateOptions = new GateOptions();
options.GateOptions.GateConfiguration = gateConfiguration;
options.GateOptions.ListenEndPoint = parseEP(listenEndPoint);
}
return options;
}
