1 //
2 // RequestChannelBase.cs
3 //
4 // Author:
5 //	Atsushi Enomoto <atsushi@ximian.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.Collections.Generic;
30 using System.IO;
31 using System.Net;
32 using System.Net.Security;
33 using System.ServiceModel;
34 using System.ServiceModel.Description;
35 using System.ServiceModel.Security;
36 
37 namespace System.ServiceModel.Channels
38 {
39 	internal abstract class RequestChannelBase : DiscoveryChannelBase, IRequestChannel
40 	{
41 		ChannelFactoryBase channel_factory;
42 		EndpointAddress address;
43 		Uri via;
44 
RequestChannelBase(ChannelFactoryBase factory, EndpointAddress address, Uri via)45 		public RequestChannelBase (ChannelFactoryBase factory, EndpointAddress address, Uri via)
46 			: base (factory)
47 		{
48 			this.channel_factory = factory;
49 			this.address = address;
50 			this.via = via;
51 		}
52 
53 		public EndpointAddress RemoteAddress {
54 			get { return address; }
55 		}
56 
57 		public Uri Via {
58 			get { return via ?? RemoteAddress.Uri; }
59 		}
60 
GetProperty()61 		public override T GetProperty<T> ()
62 		{
63 			if (typeof (T) == typeof (MessageVersion) && channel_factory is IHasMessageEncoder)
64 				return (T) (object) ((IHasMessageEncoder) channel_factory).MessageEncoder.MessageVersion;
65 			if (typeof (T) == typeof (IChannelFactory))
66 				return (T) (object) channel_factory;
67 			return base.GetProperty<T> ();
68 		}
69 
70 		// Request
71 
Request(Message message)72 		public Message Request (Message message)
73 		{
74 			return Request (message, DefaultSendTimeout);
75 		}
76 
Request(Message message, TimeSpan timeout)77 		public abstract Message Request (Message message, TimeSpan timeout);
78 
BeginRequest(Message message, AsyncCallback callback, object state)79 		public IAsyncResult BeginRequest (Message message, AsyncCallback callback, object state)
80 		{
81 			return BeginRequest (message, DefaultSendTimeout, callback, state);
82 		}
83 
84 		Func<Message,TimeSpan,Message> request_delegate;
85 
BeginRequest(Message message, TimeSpan timeout, AsyncCallback callback, object state)86 		public virtual IAsyncResult BeginRequest (Message message, TimeSpan timeout, AsyncCallback callback, object state)
87 		{
88 			if (request_delegate == null)
89 				request_delegate = new Func<Message,TimeSpan,Message> (Request);
90 			return request_delegate.BeginInvoke (message, timeout, callback, state);
91 		}
92 
EndRequest(IAsyncResult result)93 		public virtual Message EndRequest (IAsyncResult result)
94 		{
95 			return request_delegate.EndInvoke (result);
96 		}
97 
98 		// Open and Close
99 		Action<TimeSpan> open_delegate;
100 
OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)101 		protected override IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
102 		{
103 			if (open_delegate == null)
104 				open_delegate = new Action<TimeSpan> (OnOpen);
105 			return open_delegate.BeginInvoke (timeout, callback, state);
106 		}
107 
OnEndOpen(IAsyncResult result)108 		protected override void OnEndOpen (IAsyncResult result)
109 		{
110 			open_delegate.EndInvoke (result);
111 		}
112 
113 		Action<TimeSpan> close_delegate;
114 
OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)115 		protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
116 		{
117 			if (close_delegate == null)
118 				close_delegate = new Action<TimeSpan> (OnClose);
119 			return close_delegate.BeginInvoke (timeout, callback, state);
120 		}
121 
OnEndClose(IAsyncResult result)122 		protected override void OnEndClose (IAsyncResult result)
123 		{
124 			close_delegate.EndInvoke (result);
125 		}
126 	}
127 }
128