2 // HttpChannelListenerEntry.cs
5 // Atsushi Enomoto <atsushi@ximian.com>
7 // Copyright (C) 2010 Novell, Inc. http://www.novell.com
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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
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26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 using System.Collections.Generic;
30 using System.Collections.ObjectModel;
33 using System.Net.Security;
34 using System.ServiceModel;
35 using System.ServiceModel.Channels;
36 using System.ServiceModel.Description;
37 using System.ServiceModel.Dispatcher;
38 using System.ServiceModel.Security;
40 using System.Threading;
42 namespace System.ServiceModel.Channels.Http
44 class HttpChannelListenerEntry
46 public HttpChannelListenerEntry (ChannelDispatcher channel, EventWaitHandle waitHandle)
48 ChannelDispatcher = channel;
49 WaitHandle = waitHandle;
50 ContextQueue = new Queue<HttpContextInfo> ();
51 RetrieverLock = new object ();
54 public object RetrieverLock { get; private set; }
55 public ChannelDispatcher ChannelDispatcher { get; private set; }
56 public EventWaitHandle WaitHandle { get; private set; }
57 public Queue<HttpContextInfo> ContextQueue { get; private set; }
59 internal static int CompareEntries (HttpChannelListenerEntry e1, HttpChannelListenerEntry e2)
61 if (e1.ChannelDispatcher.Endpoints.Count == 0)
63 if (e2.ChannelDispatcher.Endpoints.Count == 0)
65 // select the highest filter priority value in the Endpoints.
66 int p1 = e1.ChannelDispatcher.Endpoints.OrderByDescending (e => e.FilterPriority).First ().FilterPriority;
67 int p2 = e2.ChannelDispatcher.Endpoints.OrderByDescending (e => e.FilterPriority).First ().FilterPriority;
68 // then return the channel dispatcher with higher priority first.
72 const UriComponents cmpflag = UriComponents.HttpRequestUrl ^ UriComponents.Query;
73 const UriFormat fmtflag = UriFormat.SafeUnescaped;
75 internal bool FilterHttpContext (HttpContextInfo ctx)
77 if (ChannelDispatcher == null)
78 return true; // no mex can be involved.
79 if (ctx.Request.HttpMethod.ToUpper () != "GET")
80 return !ChannelDispatcher.IsMex; // non-GET request never matches mex channel dispatcher.
81 var sme = ChannelDispatcher.Host.Extensions.Find<ServiceMetadataExtension> ();
83 return true; // no mex can be involved.
85 var listener = ChannelDispatcher.Listener;
86 var mex = sme.Instance;
88 // now the request is GET, and we have to return true or false based on the matrix below:
89 // matches wsdl or help| yes | no |
90 // mex | yes | no | yes | no |
91 // --------------------+-----+----+-----+----+
95 (mex.WsdlUrl != null && Uri.Compare (ctx.Request.Url, mex.WsdlUrl, cmpflag, fmtflag, StringComparison.Ordinal) == 0) ||
96 (mex.HelpUrl != null && Uri.Compare (ctx.Request.Url, mex.HelpUrl, cmpflag, fmtflag, StringComparison.Ordinal) == 0);
98 return !(match ^ ChannelDispatcher.IsMex);