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
  43                 public static OperationContext Current {
  44                         get { return Thread.GetData (Thread.GetNamedDataSlot (operation_context_name)) as OperationContext; }
  45                         set { Thread.SetData (Thread.GetNamedDataSlot (operation_context_name), value); }
  46                 }
  47
  48 #if !NET_2_1
  49                 EndpointDispatcher dispatcher;
  50 #endif
  51                 IContextChannel channel;
  52                 RequestContext request_ctx;
  53                 ExtensionCollection<OperationContext> extensions;
  54                 MessageHeaders outgoing_headers;
  55                 MessageProperties outgoing_properties;
  56                 InstanceContext instance_context;
  57
  58                 public OperationContext (IContextChannel channel)
  59                 {
  60                         if (channel == null)
  61                                 throw new ArgumentNullException ("channel");
  62                         this.channel = channel;
  63                 }
  64
  65                 public event EventHandler OperationCompleted;
  66
  67                 public IContextChannel Channel {
  68                         get { return channel; }
  69                 }
  70
  71                 public IExtensionCollection<OperationContext> Extensions {
  72                         get {
  73                                 if (extensions == null)
  74                                         extensions = new ExtensionCollection<OperationContext> (this);
  75                                 return extensions;
  76                         }
  77                 }
  78
  79
  80 #if !NET_2_1
  81                 public EndpointDispatcher EndpointDispatcher {
  82                         get { return dispatcher; }
  83                         set { dispatcher = value; }
  84                 }
  85                 public bool HasSupportingTokens {
  86                         get { return SupportingTokens != null ? SupportingTokens.Count > 0 : false; }
  87                 }
  88
  89                 public ServiceHostBase Host {
  90                         get { return dispatcher != null ? dispatcher.ChannelDispatcher.Host : null; }
  91                 }
  92 #endif
  93
  94                 public MessageHeaders IncomingMessageHeaders {
  95                         get { return incoming_message != null ? incoming_message.Headers : null; }
  96                 }
  97
  98                 public MessageProperties IncomingMessageProperties {
  99                         get { return incoming_message != null ? incoming_message.Properties : null; }
 100                 }
 101
 102                 public MessageVersion IncomingMessageVersion {
 103                         get { return incoming_message != null ? incoming_message.Version : null; }
 104                 }
 105
 106                 [MonoTODO]
 107                 public InstanceContext InstanceContext {
 108                         get {
 109                                 return instance_context;
 110                         }
 111                         internal set {
 112                                 instance_context = value;
 113                         }
 114                 }
 115
 116                 [MonoTODO]
 117                 public bool IsUserContext {
 118                         get { throw new NotImplementedException (); }
 119                 }
 120
 121                 public MessageHeaders OutgoingMessageHeaders {
 122                         get {
 123                                 if (outgoing_headers == null)
 124                                         outgoing_headers = new MessageHeaders (MessageVersion.Default);
 125                                 return outgoing_headers;
 126                         }
 127                 }
 128
 129                 public MessageProperties OutgoingMessageProperties {
 130                         get {
 131                                 if (outgoing_properties == null)
 132                                         outgoing_properties = new MessageProperties ();
 133                                 return outgoing_properties;
 134                         }
 135                 }
 136
 137                 public RequestContext RequestContext {
 138                         get { return request_ctx; }
 139                         set { request_ctx = value; }
 140                 }
 141
 142                 public string SessionId {
 143                         get { return Channel.SessionId; }
 144                 }
 145
 146 #if !NET_2_1
 147                 public ServiceSecurityContext ServiceSecurityContext {
 148                         get { return IncomingMessageProperties != null ? IncomingMessageProperties.Security.ServiceSecurityContext : null; }
 149                 }
 150
 151                 public ICollection<SupportingTokenSpecification> SupportingTokens {
 152                         get { return IncomingMessageProperties != null ? IncomingMessageProperties.Security.IncomingSupportingTokens : null; }
 153                 }
 154
 155                 public T GetCallbackChannel<T> ()
 156                 {
 157                         if (!(channel is IDuplexContextChannel))
 158                                 return default (T);
 159                         IDuplexContextChannel duplex = (IDuplexContextChannel) channel;
 160                         foreach (IChannel ch in duplex.CallbackInstance.IncomingChannels)
 161                                 if (typeof (T).IsAssignableFrom (ch.GetType ()))
 162                                         return (T) (object) ch;
 163                         foreach (IChannel ch in duplex.CallbackInstance.OutgoingChannels)
 164                                 if (typeof (T).IsAssignableFrom (ch.GetType ()))
 165                                         return (T) (object) ch;
 166                         return default (T);
 167                 }
 168
 169                 [MonoTODO]
 170                 public void SetTransactionComplete ()
 171                 {
 172                         throw new NotImplementedException ();
 173                 }
 174 #endif
 175
 176                 internal Message IncomingMessage {
 177                         get {
 178                                 return incoming_message;
 179                         }
 180                         set {
 181                                 incoming_message = value;
 182                         }
 183                 }
 184         }
 185 }