mcs/class/System.ServiceModel/System.ServiceModel/OperationContext.cs

   1 //
   2 // OperationContext.cs
   3 //
   4 // Author: Atsushi Enomoto (atsushi@ximian.com)
   5 //
   6 // Copyright (C) 2005,2007 Novell, Inc (http://www.novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 using System;
  28 using System.Collections.Generic;
  29 using System.Collections.ObjectModel;
  30 using System.ServiceModel.Channels;
  31 using System.ServiceModel.Dispatcher;
  32 using System.ServiceModel.Security;
  33 using System.Threading;
  34
  35 namespace System.ServiceModel
  36 {
  37         public sealed class OperationContext : IExtensibleObject<OperationContext>
  38         {
  39                 // generated guid (no special meaning)
  40                 const string operation_context_name = "c15795e2-bb44-4cfb-a89c-8529feb170cb";
  41                 Message incoming_message;
  42                 IDefaultCommunicationTimeouts timeouts;
  43
  44                 public static OperationContext Current {
  45                         get { return Thread.GetData (Thread.GetNamedDataSlot (operation_context_name)) as OperationContext; }
  46                         set { Thread.SetData (Thread.GetNamedDataSlot (operation_context_name), value); }
  47                 }
  48
  49                 EndpointDispatcher dispatcher;
  50                 IContextChannel channel;
  51                 RequestContext request_ctx;
  52                 ExtensionCollection<OperationContext> extensions;
  53                 MessageHeaders outgoing_headers;
  54                 MessageProperties outgoing_properties;
  55                 InstanceContext instance_context;
  56
  57                 public OperationContext (IContextChannel channel)
  58                 {
  59                         if (channel == null)
  60                                 throw new ArgumentNullException ("channel");
  61                         this.channel = channel;
  62                 }
  63
  64                 public event EventHandler OperationCompleted;
  65
  66                 public IContextChannel Channel {
  67                         get { return channel; }
  68                 }
  69
  70                 public EndpointDispatcher EndpointDispatcher {
  71                         get { return dispatcher; }
  72                         set { dispatcher = value; }
  73                 }
  74
  75                 public IExtensionCollection<OperationContext> Extensions {
  76                         get {
  77                                 if (extensions == null)
  78                                         extensions = new ExtensionCollection<OperationContext> (this);
  79                                 return extensions;
  80                         }
  81                 }
  82
  83                 public bool HasSupportingTokens {
  84                         get { return SupportingTokens != null ? SupportingTokens.Count > 0 : false; }
  85                 }
  86
  87                 public ServiceHostBase Host {
  88                         get { return dispatcher != null ? dispatcher.ChannelDispatcher.Host : null; }
  89                 }
  90
  91                 public MessageHeaders IncomingMessageHeaders {
  92                         get { return request_ctx != null ? request_ctx.RequestMessage.Headers : null; }
  93                 }
  94
  95                 public MessageProperties IncomingMessageProperties {
  96                         get { return request_ctx != null ? request_ctx.RequestMessage.Properties : null; }
  97                 }
  98
  99                 public MessageVersion IncomingMessageVersion {
 100                         get { return request_ctx != null ? request_ctx.RequestMessage.Version : null; }
 101                 }
 102
 103                 [MonoTODO]
 104                 public InstanceContext InstanceContext {
 105                         get {
 106                                 return instance_context;
 107                         }
 108                         internal set {
 109                                 instance_context = value;
 110                         }
 111                 }
 112
 113                 [MonoTODO]
 114                 public bool IsUserContext {
 115                         get { throw new NotImplementedException (); }
 116                 }
 117
 118                 public MessageHeaders OutgoingMessageHeaders {
 119                         get {
 120                                 if (outgoing_headers == null)
 121                                         outgoing_headers = new MessageHeaders (MessageVersion.Default);
 122                                 return outgoing_headers;
 123                         }
 124                 }
 125
 126                 public MessageProperties OutgoingMessageProperties {
 127                         get {
 128                                 if (outgoing_properties == null)
 129                                         outgoing_properties = new MessageProperties ();
 130                                 return outgoing_properties;
 131                         }
 132                 }
 133
 134                 public RequestContext RequestContext {
 135                         get { return request_ctx; }
 136                         set { request_ctx = value; }
 137                 }
 138
 139                 public ServiceSecurityContext ServiceSecurityContext {
 140                         get { return IncomingMessageProperties != null ? IncomingMessageProperties.Security.ServiceSecurityContext : null; }
 141                 }
 142
 143                 [MonoTODO]
 144                 public string SessionId {
 145                         get { throw new NotImplementedException (); }
 146                 }
 147
 148                 public ICollection<SupportingTokenSpecification> SupportingTokens {
 149                         get { return IncomingMessageProperties != null ? IncomingMessageProperties.Security.IncomingSupportingTokens : null; }
 150                 }
 151
 152                 public T GetCallbackChannel<T> ()
 153                 {
 154                         if (!(channel is IDuplexContextChannel))
 155                                 return default (T);
 156                         IDuplexContextChannel duplex = (IDuplexContextChannel) channel;
 157                         foreach (IChannel ch in duplex.CallbackInstance.IncomingChannels)
 158                                 if (typeof (T).IsAssignableFrom (ch.GetType ()))
 159                                         return (T) (object) ch;
 160                         foreach (IChannel ch in duplex.CallbackInstance.OutgoingChannels)
 161                                 if (typeof (T).IsAssignableFrom (ch.GetType ()))
 162                                         return (T) (object) ch;
 163                         return default (T);
 164                 }
 165
 166                 [MonoTODO]
 167                 public void SetTransactionComplete ()
 168                 {
 169                         throw new NotImplementedException ();
 170                 }
 171
 172                 internal Message IncomingMessage {
 173                         get {
 174                                 return incoming_message;
 175                         }
 176                         set {
 177                                 incoming_message = value;
 178                         }
 179                 }
 180
 181                 internal IDefaultCommunicationTimeouts CommunicationTimeouts
 182                 {
 183                         get {
 184                                 return timeouts;
 185                         }
 186                         set {
 187                                 timeouts = value;
 188                         }
 189                 }
 190         }
 191 }