Implemented basic UDP transport.
[mono.git] / mcs / class / System.ServiceModel.Discovery / System.ServiceModel.Discovery.Udp / UdpChannelFactory.cs
1 //
2 // Author: Atsushi Enomoto <atsushi@ximian.com>
3 //
4 // Copyright (C) 2010 Novell, Inc (http://www.novell.com)
5 //
6 // Permission is hereby granted, free of charge, to any person obtaining
7 // a copy of this software and associated documentation files (the
8 // "Software"), to deal in the Software without restriction, including
9 // without limitation the rights to use, copy, modify, merge, publish,
10 // distribute, sublicense, and/or sell copies of the Software, and to
11 // permit persons to whom the Software is furnished to do so, subject to
12 // the following conditions:
13 // 
14 // The above copyright notice and this permission notice shall be
15 // included in all copies or substantial portions of the Software.
16 // 
17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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24 //
25 using System;
26 using System.IO;
27 using System.Net.Sockets;
28 using System.ServiceModel;
29 using System.ServiceModel.Channels;
30
31 namespace System.ServiceModel.Discovery
32 {
33         internal class UdpChannelFactory : ChannelFactoryBase<IDuplexChannel>
34         {
35                 public UdpChannelFactory (UdpTransportBindingElement source, BindingContext ctx)
36                 {
37                         Source = source;
38                         Context = ctx;
39                 }
40                 
41                 protected override void OnOpen (TimeSpan timeout)
42                 {
43                 }
44                 
45                 protected override void OnClose (TimeSpan timeout)
46                 {
47                 }
48                 
49                 Action<TimeSpan> open_delegate, close_delegate;
50                 
51                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
52                 {
53                         if (open_delegate == null)
54                                 open_delegate = new Action<TimeSpan> (OnOpen);
55                         return open_delegate.BeginInvoke (timeout, callback, state);
56                 }
57                 
58                 protected override void OnEndOpen (IAsyncResult result)
59                 {
60                         open_delegate.EndInvoke (result);
61                 }
62                 
63                 protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
64                 {
65                         if (close_delegate == null)
66                                 close_delegate = new Action<TimeSpan> (OnClose);
67                         return close_delegate.BeginInvoke (timeout, callback, state);
68                 }
69                 
70                 protected override void OnEndClose (IAsyncResult result)
71                 {
72                         close_delegate.EndInvoke (result);
73                 }
74                 
75                 protected override IDuplexChannel OnCreateChannel (EndpointAddress address, Uri via)
76                 {
77                         if (address.Uri.Scheme != "soap.udp")
78                                 throw new ArgumentException (String.Format ("Unexpected endpoint address URI scheme: expected 'soap.udp' but got '{0}'", address.Uri.Scheme));
79                         return new UdpDuplexChannel (this, Context, address, via);
80                 }
81                 
82                 public UdpTransportBindingElement Source { get; private set; }
83                 public BindingContext Context { get; private set; }
84         }
85 }