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

   1 //
   2 // SvcHttpHandler.cs
   3 //
   4 // Author:
   5 //      Ankit Jain  <jankit@novell.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc.  http://www.novell.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.Web;
  30 using System.Threading;
  31
  32 using System.ServiceModel;
  33 using System.ServiceModel.Activation;
  34 using System.ServiceModel.Configuration;
  35 using System.ServiceModel.Description;
  36
  37 namespace System.ServiceModel.Channels {
  38
  39         internal class SvcHttpHandler : IHttpHandler
  40         {
  41                 Type type;
  42                 Type factory_type;
  43                 string path;
  44                 Uri request_url;
  45                 ServiceHostBase host;
  46
  47                 AspNetReplyChannel reply_channel;
  48                 AutoResetEvent wait = new AutoResetEvent (false);
  49                 AutoResetEvent listening = new AutoResetEvent (false);
  50
  51                 public SvcHttpHandler (Type type, Type factoryType, string path)
  52                 {
  53                         this.type = type;
  54                         this.factory_type = factoryType;
  55                         this.path = path;
  56                 }
  57
  58                 public bool IsReusable
  59                 {
  60                         get { return true; }
  61                 }
  62
  63                 public bool WaitForRequest (AspNetReplyChannel reply_channel, TimeSpan timeout)
  64                 {
  65                         this.reply_channel = reply_channel;
  66                         listening.Set ();
  67
  68                         return wait.WaitOne (timeout, false);
  69                 }
  70
  71                 public void ProcessRequest (HttpContext context)
  72                 {
  73                         request_url = context.Request.Url;
  74                         EnsureServiceHost ();
  75
  76                         reply_channel.Context = context;
  77                         wait.Set ();
  78
  79                         listening.WaitOne ();
  80                         reply_channel.Context = null;
  81                 }
  82
  83                 public void Close ()
  84                 {
  85                         host.Close ();
  86                         host = null;
  87                 }
  88
  89                 void ApplyConfiguration (ServiceHost host)
  90                 {
  91                         foreach (ServiceElement service in ConfigUtil.ServicesSection.Services) {
  92                                 foreach (ServiceEndpointElement endpoint in service.Endpoints) {
  93                                         // FIXME: consider BindingName as well
  94                                         ServiceEndpoint se = host.AddServiceEndpoint (
  95                                                 endpoint.Contract,
  96                                                 ConfigUtil.CreateBinding (endpoint.Binding, endpoint.BindingConfiguration),
  97                                                 new Uri (path));
  98                                 }
  99                                 // behaviors
 100                                 ServiceBehaviorElement behavior = ConfigUtil.BehaviorsSection.ServiceBehaviors.Find (service.BehaviorConfiguration);
 101                                 if (behavior != null) {
 102                                         foreach (BehaviorExtensionElement bxel in behavior) {
 103                                                 IServiceBehavior b = null;
 104                                                 ServiceMetadataPublishingElement meta = bxel as ServiceMetadataPublishingElement;
 105                                                 if (meta != null) {
 106                                                         ServiceMetadataBehavior smb = meta.CreateBehavior () as ServiceMetadataBehavior;
 107                                                         smb.HttpGetUrl = request_url;
 108                                                         // FIXME: HTTPS as well
 109                                                         b = smb;
 110                                                 }
 111                                                 if (b != null)
 112                                                         host.Description.Behaviors.Add (b);
 113                                         }
 114                                 }
 115                         }
 116                 }
 117
 118                 void EnsureServiceHost ()
 119                 {
 120                         if (reply_channel != null)
 121                                 return;
 122
 123                         //ServiceHost for this not created yet
 124                         var baseUri = new Uri (HttpContext.Current.Request.Url.GetLeftPart (UriPartial.Path));
 125                         if (factory_type != null) {
 126                                 host = ((ServiceHostFactory) Activator.CreateInstance (factory_type)).CreateServiceHost (type, new Uri [] {baseUri});
 127                         }
 128                         else
 129                                 host = new ServiceHost (type, baseUri);
 130
 131 #if true
 132                         //FIXME: Binding: Get from web.config.
 133                         host.AddServiceEndpoint (ContractDescription.GetContract (type).Name,
 134                                 new BasicHttpBinding (), new Uri (path, UriKind.Relative));
 135 #else
 136                         ApplyConfiguration (host);
 137 #endif
 138
 139                         host.Open ();
 140
 141                         listening.WaitOne ();
 142                 }
 143         }
 144 }