ln.application/Application.cs

128 lines
3.9 KiB
C#

using System;
using ln.http;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using ln.logging;
using ln.types;
using System.Net;
using ln.application.service;
using ln.http.resources;
namespace ln.application
{
public class Application : IApplicationInterface
{
public ArgumentContainer Arguments { get; protected set; }
public HTTPServer HttpServer { get; private set; }
public ServiceContainer ServiceContainer { get; }
public ResourceApplication HTTPApplication { get; private set; }
public MemoryLogger MemoryLogger { get; }
public Application()
{
MemoryLogger = new MemoryLogger(8192);
Logger.Default.Backends.Add(MemoryLogger);
Arguments = new ArgumentContainer()
.Add((char)0, "log-level", "INFO")
.Add('l', "http-listen","0.0.0.0")
.Add('p', "http-port", "8080");
ServiceContainer = new ServiceContainer(this);
}
public virtual void PrepareStart()
{
}
public void Start(String[] arguments)
{
Arguments.Parse(arguments);
Logger.ConsoleLogger.MaxLogLevel = (LogLevel)Enum.Parse(typeof(LogLevel), Arguments["log-level"].Value);
/* Startup Sequence */
Logging.Log(LogLevel.INFO, "Calling PrepareStart()");
PrepareStart();
/* HTTP Server */
Logging.Log(LogLevel.INFO, "Start: HTTPServer on {0}:{1}", Arguments['l'].Value, Arguments['p'].IntegerValue);
HttpServer = new HTTPServer();
HttpServer.AddEndpoint(new System.Net.IPEndPoint(
IPAddress.Parse(Arguments['l'].Value),
Arguments['p'].IntegerValue
));
HttpServer.Start();
HTTPApplication = new ResourceApplication();
HttpServer.DefaultApplication = HTTPApplication;
/* Application Services */
foreach (ServiceDefinition serviceDefinition in ServiceContainer)
{
if (serviceDefinition.AutoStart)
ServiceContainer.Start(serviceDefinition);
}
}
public void Stop()
{
Logging.Log(LogLevel.INFO, "Application shutdown requested");
/* Application Services */
foreach (ServiceDefinition serviceDefinition in ServiceContainer)
{
if (serviceDefinition.IsAlive)
{
ServiceContainer.Stop(serviceDefinition);
if (serviceDefinition.IsAlive)
throw new Exception("application service could not be stopped");
}
}
/* HTTP Server */
Logging.Log(LogLevel.INFO, "Stopping HTTP server");
HttpServer.Stop();
}
/*
* Plugin Classes
*/
Dictionary<Type, List<object>> pluginInstances = new Dictionary<Type, List<object>>();
public void RegisterPluginInstance<PC>(PC pluginInstance) => RegisterPluginInstance(typeof(PC),pluginInstance);
public void RegisterPluginInstance(Type type,object pluginInstance)
{
if (!pluginInstances.ContainsKey(type))
pluginInstances.Add(type, new List<object>());
if (!pluginInstances[type].Contains(pluginInstance))
pluginInstances[type].Add(pluginInstance);
}
public IEnumerable<PC> GetPluginInstances<PC>()
{
Type pluginType = typeof(PC);
if (!pluginInstances.ContainsKey(pluginType))
return new PC[0];
return pluginInstances[pluginType].Select((ut) => (PC)ut);
}
public IEnumerable GetPluginInstances(Type pluginType)
{
if (!pluginInstances.ContainsKey(pluginType))
return new object[0];
return pluginInstances[pluginType];
}
}
}