forked from FireflyServer/firefly
/
ServerFactory.cs
127 lines (107 loc) · 4.34 KB
/
ServerFactory.cs
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using System;
using System.Diagnostics;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using Firefly.Utils;
using Gate.Owin;
// ReSharper disable AccessToModifiedClosure
namespace Firefly.Http
{
public class ServerFactory
{
private readonly IFireflyService _services;
public ServerFactory()
: this(new FireflyService())
{
}
public ServerFactory(IServerTrace trace)
: this(new FireflyService { Trace = trace })
{
}
public ServerFactory(IFireflyService services)
{
_services = services;
}
public IDisposable Create(AppDelegate app, int port)
{
return Create(app, new IPEndPoint(0, port));
}
public IDisposable Create(AppDelegate app, int port, string hostname)
{
return Create(app, new DnsEndPoint(hostname, port, AddressFamily.InterNetwork));
}
public IDisposable Create(AppDelegate app, EndPoint endpoint)
{
_services.Trace.Event(TraceEventType.Start, TraceMessage.ServerFactory);
var listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
listenSocket.Bind(endpoint);
listenSocket.Listen(-1);
WaitCallback connectionExecute = connection =>
{
_services.Trace.Event(TraceEventType.Verbose, TraceMessage.ServerFactoryConnectionExecute);
((Connection)connection).Execute();
};
var stop = false;
var acceptEvent = new SocketAsyncEventArgs();
Action accept =
() =>
{
while (!stop)
{
_services.Trace.Event(TraceEventType.Verbose, TraceMessage.ServerFactoryAcceptAsync);
if (listenSocket.AcceptAsync(acceptEvent))
return;
_services.Trace.Event(TraceEventType.Verbose, TraceMessage.ServerFactoryAcceptCompletedSync);
if (acceptEvent.SocketError != SocketError.Success)
{
_services.Trace.Event(TraceEventType.Error, TraceMessage.ServerFactoryAcceptSocketError);
}
if (acceptEvent.SocketError == SocketError.Success &&
acceptEvent.AcceptSocket != null)
{
ThreadPool.QueueUserWorkItem(
connectionExecute,
new Connection(
_services,
app,
new SocketWrapper(acceptEvent.AcceptSocket),
OnDisconnect));
}
acceptEvent.AcceptSocket = null;
}
};
acceptEvent.Completed +=
(_, __) =>
{
_services.Trace.Event(TraceEventType.Verbose, TraceMessage.ServerFactoryAcceptCompletedAsync);
if (acceptEvent.SocketError == SocketError.Success &&
acceptEvent.AcceptSocket != null)
{
ThreadPool.QueueUserWorkItem(
connectionExecute,
new Connection(
_services,
app,
new SocketWrapper(acceptEvent.AcceptSocket),
OnDisconnect));
}
acceptEvent.AcceptSocket = null;
accept();
};
accept();
return new Disposable(
() =>
{
_services.Trace.Event(TraceEventType.Stop, TraceMessage.ServerFactory);
stop = true;
listenSocket.Close();
acceptEvent.Dispose();
});
}
private static void OnDisconnect(ISocket obj)
{
obj.Close();
}
}
}