1. 程式人生 > >ASP.NET一個簡易的WebServer,用控制檯程式模擬IIS 托起web服務

ASP.NET一個簡易的WebServer,用控制檯程式模擬IIS 托起web服務

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  public delegate void ProcessRequestHandler(string page, string query, TextWriter writer);
    public class WebServer : MarshalByRefObject, IRegisteredObject
    {
        public void ProcessRequest(string page, string query, TextWriter writer)
        {
            SimpleWorkerRequest worker = new
SimpleWorkerRequest(page, query, writer); HttpRuntime.ProcessRequest(worker); } public void Stop(bool immediate) { HostingEnvironment.UnregisterObject(this); } } public class SimpleHttpListener { ProcessRequestHandler ProcessRequest;
public void SetProcessRequest(ProcessRequestHandler handler) { this.ProcessRequest = handler; } static string PhysicRoot = string.Empty;   public void Run()         {             if (!HttpListener.IsSupported)                 throw new InvalidOperationException("使用 HttpListener 必須為 Windows XP SP2 或 Server 2003 以上系統!");             string[] prefixes = new string[] { "http://localhost:49152/" };             HttpListener listener = new HttpListener();             foreach (string item in prefixes)             {                 listener.Prefixes.Add(item);             }             listener.Start();             Console.WriteLine("開始監聽.....");             while (true)             {                 HttpListenerContext context = listener.GetContext();                 HttpListenerRequest request = context.Request;                 Console.WriteLine("{0} {1} HTTP/1.1", request.HttpMethod, request.RawUrl);                 HttpListenerResponse response = context.Response;                 using (StreamWriter writer = new StreamWriter(response.OutputStream))                 {                     StringWriter sw = new StringWriter();                     string content = string.Empty;                     string filename = request.Url.LocalPath.ToLower();                     Regex reg = new Regex("(.aspx|.ashx|.svc|.asmx)");                     Match m = reg.Match(filename);                     if (m.Success)                     {                         string path = request.Url.AbsolutePath;                         string query = request.Url.Query.Replace("?", string.Empty);                         string prefx = m.Groups[0].Value;                         if (!filename.EndsWith(prefx))                         {                             int index = path.IndexOf(prefx);                             index = index + prefx.Length;                             query = path.Substring(index);                             path = path.Substring(0, index);                         }                         path = Path.GetFileName(path);                         this.ProcessRequest(path, query, sw);                         content = sw.ToString();                         sw.Close();                         response.ContentLength64 = Encoding.UTF8.GetByteCount(content);                         response.ContentType = "text/html; charset=UTF-8";                         writer.Write(content);                     }                     else                     {                         string filePath = Path.Combine(PhysicRoot, request.Url.AbsolutePath.Substring(1));                         lock (this)                         {                             byte[] buffer = new byte[4096];                             if (File.Exists(filePath))                             {                                 using (StreamReader sr = new StreamReader(filePath))                                 {                                     response.ContentLength64 = sr.BaseStream.Length;                                     int readLength = sr.BaseStream.Read(buffer, 0, buffer.Length);                                     while (readLength > 0)                                     {                                         writer.BaseStream.Write(buffer, 0, readLength);                                         readLength = sr.BaseStream.Read(buffer, 0, buffer.Length);                                     }                                 }                             }                             else                             {                                 string msg = "not found:" + filePath;                                 byte[] data = Encoding.UTF8.GetBytes(msg);                                 writer.BaseStream.Write(data, 0, data.Length);                             }                         }                     }                     Console.WriteLine("\r\nProcess Ok.\r\n");                 }                 if (Console.KeyAvailable)                     break;             }             listener.Stop();         }
public static void Start() { PhysicRoot = @"C:\Users\majiang\Documents\Visual Studio 2010\Projects\Jquery\Jquery"; WebServer server = CreateWorkerAppDomainWithHost(typeof(WebServer), "/", PhysicRoot) as WebServer; //WebServer server = ApplicationHost.CreateApplicationHost(typeof(WebServer), "/", @"C:\Users\majiang\Documents\Visual Studio 2010\Projects\Jquery\Jquery") as WebServer; SimpleHttpListener listener = new SimpleHttpListener(); listener.SetProcessRequest(server.ProcessRequest); listener.Run(); } static object CreateWorkerAppDomainWithHost(Type hostType, string virtualPath, string physicalPath) { string uniqueAppString = string.Concat(virtualPath, physicalPath).ToLowerInvariant(); string appid = (uniqueAppString.GetHashCode()).ToString("X", CultureInfo.InvariantCulture); var appmanager = ApplicationManager.GetApplicationManager(); var buildManagerHostType = typeof(HttpRuntime).Assembly.GetType("System.Web.Compilation.BuildManagerHost"); var buildManagerHost = appmanager.CreateObject(appid, buildManagerHostType, virtualPath, physicalPath, false); buildManagerHostType.InvokeMember("RegisterAssembly", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.NonPublic, null, buildManagerHost, new object[] { hostType.Assembly.FullName, hostType.Assembly.Location }); return appmanager.CreateObject(appid, hostType, virtualPath, physicalPath, false); } }
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