mcs/class/System.ServiceModel/System.ServiceModel.Channels/HttpListenerManager.cs

   1 //
   2 // HttpListenerManager.cs
   3 //
   4 // Author:
   5 //      Vladimir Krasnov <vladimirk@mainsoft.com>
   6 //
   7 // Copyright (C) 2005-2006 Mainsoft, Inc.  http://www.mainsoft.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.Collections.Generic;
  30 using System.Text;
  31 using System.Net;
  32
  33 namespace System.ServiceModel.Channels
  34 {
  35         internal class HttpListenerManager<TChannel> where TChannel : class, IChannel
  36         {
  37                 static Dictionary<Uri, HttpListener> opened_listeners;
  38                 static Dictionary<Uri, List<HttpSimpleChannelListener<TChannel>>> registered_channels;
  39                 HttpSimpleChannelListener<TChannel> channel_listener;
  40                 HttpListener http_listener;
  41
  42                 static HttpListenerManager ()
  43                 {
  44                         opened_listeners = new Dictionary<Uri, HttpListener> ();
  45                         registered_channels = new Dictionary<Uri, List<HttpSimpleChannelListener<TChannel>>> ();
  46                 }
  47
  48                 public HttpListenerManager (HttpSimpleChannelListener<TChannel> channel_listener)
  49                 {
  50                         this.channel_listener = channel_listener;
  51                 }
  52
  53                 public void Open (TimeSpan timeout)
  54                 {
  55                         lock (opened_listeners) {
  56                                 if (!opened_listeners.ContainsKey (channel_listener.Uri)) {
  57                                         HttpListener listener = new HttpListener ();
  58
  59                                         string uriString = channel_listener.Uri.ToString ();
  60                                         if (!uriString.EndsWith ("/", StringComparison.Ordinal))
  61                                                 uriString += "/";
  62                                         listener.Prefixes.Add (uriString);
  63                                         listener.Start ();
  64
  65                                         opened_listeners [channel_listener.Uri] = listener;
  66                                         List<HttpSimpleChannelListener<TChannel>> registeredList = new List<HttpSimpleChannelListener<TChannel>> ();
  67                                         registered_channels [channel_listener.Uri] = registeredList;
  68                                 }
  69
  70                                 http_listener = opened_listeners [channel_listener.Uri];
  71                                 registered_channels [channel_listener.Uri].Add (channel_listener);
  72                         }
  73                 }
  74
  75                 public void Stop ()
  76                 {
  77                         lock (opened_listeners) {
  78                                 if (http_listener == null)
  79                                         return;
  80                                 List<HttpSimpleChannelListener<TChannel>> channelsList = registered_channels [channel_listener.Uri];
  81                                 channelsList.Remove (channel_listener);
  82                                 if (channelsList.Count == 0) {
  83                                         if (http_listener.IsListening)
  84                                                 http_listener.Stop ();
  85                                         ((IDisposable) http_listener).Dispose ();
  86
  87                                         opened_listeners.Remove (channel_listener.Uri);
  88                         }
  89                 }
  90
  91                 public HttpListener HttpListener
  92                 {
  93                         get { return http_listener; }
  94                 }
  95         }
  96 }