85 lines
2.5 KiB
Plaintext
85 lines
2.5 KiB
Plaintext
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///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: Driver.sg
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//
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// Note: The common driver-code for web apps that are compiled to standalone
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// executables
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//
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using System;
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using Microsoft.SingSharp;
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using Microsoft.SingSharp.Runtime;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.WebApps;
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using Microsoft.Singularity.WebApps.Contracts;
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using System.Web;
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using System.Threading;
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namespace Microsoft.Singularity.WebApps
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{
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public class Driver
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{
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#if THREAD_POOL
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private const int workerThreads = 16;
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private const int maxWorkItems = workerThreads * 128;
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#endif
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internal class ThreadHelper
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{
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private IHttpRequest! m_Request;
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private IWebApp! m_WebApp;
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public ThreadHelper(IWebApp! webApp, IHttpRequest! request)
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{
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m_Request = request;
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m_WebApp = webApp;
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}
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public void Run()
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{
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m_WebApp.ProcessRequest(m_Request);
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}
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}
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public static void ServiceChannel(IWebApp! webApp, WebAppContract.Exp:ProcessingState! conn)
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{
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#if THREAD_POOL
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WebAppsThreadPool threadPool =
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new WebAppsThreadPool(workerThreads, maxWorkItems);
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#endif
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while (true)
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{
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switch receive
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{
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case conn.Process(HttpRequestContract.Imp:Start! newConn) :
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{
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// Wrap the new connection
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RemoteHttpRequest request = new RemoteHttpRequest(newConn);
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ThreadHelper threadHelper = new ThreadHelper(webApp, request);
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// Service the request on a new thread
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#if THREAD_POOL
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threadPool.QueueUserWorkItem(
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new ThreadStart(threadHelper.Run));
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#else
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Thread newThread = new Thread(new ThreadStart(threadHelper.Run));
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newThread.Start();
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#endif
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// Ack
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conn.SendOK();
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}
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break;
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case conn.ChannelClosed():
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return;
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}
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}
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}
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}
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}
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