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

   1 //\r
   2 // HttpChannelManager.cs\r
   3 //\r
   4 // Author:\r
   5 //      Vladimir Krasnov <vladimirk@mainsoft.com>\r
   6 //\r
   7 // Copyright (C) 2005-2006 Mainsoft, Inc.  http://www.mainsoft.com\r
   8 //\r
   9 // Permission is hereby granted, free of charge, to any person obtaining\r
  10 // a copy of this software and associated documentation files (the\r
  11 // "Software"), to deal in the Software without restriction, including\r
  12 // without limitation the rights to use, copy, modify, merge, publish,\r
  13 // distribute, sublicense, and/or sell copies of the Software, and to\r
  14 // permit persons to whom the Software is furnished to do so, subject to\r
  15 // the following conditions:\r
  16 // \r
  17 // The above copyright notice and this permission notice shall be\r
  18 // included in all copies or substantial portions of the Software.\r
  19 // \r
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  27 //\r
  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 HttpChannelManager<TChannel> where TChannel : class, IChannel
  36         {
  37                 static Dictionary<Uri, HttpListener> opened_listeners;\r
  38                 static Dictionary<Uri, List<HttpChannelListener<TChannel>>> registered_channels;
  39                 HttpChannelListener<TChannel> channel_listener;
  40                 HttpListener http_listener;
  41
  42                 static HttpChannelManager ()
  43                 {
  44                         opened_listeners = new Dictionary<Uri, HttpListener> ();\r
  45                         registered_channels = new Dictionary<Uri, List<HttpChannelListener<TChannel>>> ();
  46                 }
  47
  48                 public HttpChannelManager (HttpChannelListener<TChannel> channel_listener)
  49                 {
  50                         this.channel_listener = channel_listener;
  51                 }
  52
  53                 public void Open (TimeSpan timeout)
  54                 {\r
  55                         lock (opened_listeners) {\r
  56                                 if (!opened_listeners.ContainsKey (channel_listener.Uri)) {\r
  57                                         HttpListener listener = new HttpListener ();\r
  58 \r
  59                                         string uriString = channel_listener.Uri.ToString ();\r
  60                                         if (!uriString.EndsWith ("/", StringComparison.Ordinal))\r
  61                                                 uriString += "/";\r
  62                                         listener.Prefixes.Add (uriString);\r
  63                                         listener.Start ();\r
  64 \r
  65                                         opened_listeners [channel_listener.Uri] = listener;\r
  66                                         List<HttpChannelListener<TChannel>> registeredList = new List<HttpChannelListener<TChannel>> ();                                        \r
  67                                         registered_channels [channel_listener.Uri] = registeredList;\r
  68                                 }\r
  69 \r
  70                                 http_listener = opened_listeners [channel_listener.Uri];\r
  71                                 registered_channels [channel_listener.Uri].Add (channel_listener);                              \r
  72                         }
  73                 }
  74
  75                 public void Stop ()
  76                 {\r
  77                         lock (opened_listeners) {\r
  78                                 if (http_listener == null)\r
  79                                         return;\r
  80                                 List<HttpChannelListener<TChannel>> channelsList = registered_channels [channel_listener.Uri];\r
  81                                 channelsList.Remove (channel_listener);\r
  82                                 if (channelsList.Count == 0) {                                  \r
  83                                         if (http_listener.IsListening)\r
  84                                                 http_listener.Stop ();\r
  85                                         ((IDisposable) http_listener).Dispose ();\r
  86 \r
  87                                         opened_listeners.Remove (channel_listener.Uri);                         \r
  88                                 }                               \r
  89                         }
  90                 }
  91
  92                 public HttpListener HttpListener
  93                 {
  94                         get { return http_listener; }
  95                 }
  96         }
  97 }