mcs/class/System.ServiceModel.Discovery/System.ServiceModel.Discovery.VersionApril2005/DiscoveryTargetClientApril2005.cs

   1 //
   2 // Author: Atsushi Enomoto <atsushi@ximian.com>
   3 //
   4 // Copyright (C) 2009,2010 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
  23 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24 //
  25 using System;
  26 using System.Collections.Generic;
  27 using System.Collections.ObjectModel;
  28 using System.ComponentModel;
  29 using System.Linq;
  30 using System.ServiceModel;
  31 using System.ServiceModel.Channels;
  32 using System.ServiceModel.Description;
  33 using System.ServiceModel.Dispatcher;
  34 using System.Threading;
  35
  36 namespace System.ServiceModel.Discovery.VersionApril2005
  37 {
  38         internal class DiscoveryTargetClientApril2005 : DuplexClientBase<IDiscoveryTargetContractApril2005>, DiscoveryClient.IDiscoveryCommon
  39         {
  40                 public DiscoveryTargetClientApril2005 (ServiceEndpoint endpoint)
  41                         : this (new DiscoveryTargetCallbackApril2005 (), endpoint)
  42                 {
  43                 }
  44
  45                 DiscoveryTargetClientApril2005 (DiscoveryTargetCallbackApril2005 instance, ServiceEndpoint endpoint)
  46                         : base (instance, endpoint)
  47                 {
  48                         instance.ReplyFindCompleted += delegate (MessageContractsApril2005.FindResponse response) {
  49                                 find_completed = delegate { return response; };
  50                                 reply_find_handle.Set ();
  51                         };
  52                         instance.ReplyResolveCompleted += delegate (MessageContractsApril2005.ResolveResponse response) {
  53                                 resolve_completed = delegate { return response; };
  54                                 reply_resolve_handle.Set ();
  55                         };
  56                 }
  57
  58                 // Find
  59
  60                 Func<FindCriteria,FindResponse> find_delegate;
  61                 Func<MessageContractsApril2005.FindResponse> find_completed;
  62                 ManualResetEvent reply_find_handle = new ManualResetEvent (false);
  63
  64                 public IAsyncResult BeginFind (FindCriteria criteria, AsyncCallback callback, object state)
  65                 {
  66                         if (find_delegate == null)
  67                                 find_delegate = new Func<FindCriteria,FindResponse> (Find);
  68                         return find_delegate.BeginInvoke (criteria, callback, state);
  69                 }
  70
  71                 public FindResponse EndFind (IAsyncResult result)
  72                 {
  73                         return find_delegate.EndInvoke (result);
  74                 }
  75
  76                 FindResponse Find (FindCriteria criteria)
  77                 {
  78                         var req = new MessageContractsApril2005.FindRequest () { Body = new FindCriteriaApril2005 (criteria) };
  79                         Channel.BeginFind (req, delegate (IAsyncResult result) {
  80                                 Channel.EndFind (result);
  81                         }, null);
  82
  83                         var timeout = InnerChannel.OperationTimeout < criteria.Duration ? InnerChannel.OperationTimeout : criteria.Duration;
  84                         if (!reply_find_handle.WaitOne (timeout))
  85                                 throw new EndpointNotFoundException ("The discovery client could not receive Find operation response within the operation timeout.");
  86                         try {
  87                                 var ir = find_completed ();
  88                                 var ret = new FindResponse ();
  89                                 foreach (var fr in ir.Body)
  90                                         ret.Endpoints.Add (fr.ToEndpointDiscoveryMetadata ());
  91                                 return ret;
  92                         } finally {
  93                                 find_completed = null;
  94                         }
  95                 }
  96
  97                 // Resolve
  98
  99                 Func<ResolveCriteria,ResolveResponse> resolve_delegate;
 100                 Func<MessageContractsApril2005.ResolveResponse> resolve_completed;
 101                 ManualResetEvent reply_resolve_handle = new ManualResetEvent (false);
 102
 103                 public IAsyncResult BeginResolve (ResolveCriteria criteria, AsyncCallback callback, object state)
 104                 {
 105                         if (resolve_delegate == null)
 106                                 resolve_delegate = new Func<ResolveCriteria,ResolveResponse> (Resolve);
 107                         return resolve_delegate.BeginInvoke (criteria, callback, state);
 108                 }
 109
 110                 public ResolveResponse EndResolve (IAsyncResult result)
 111                 {
 112                         return resolve_delegate.EndInvoke (result);
 113                 }
 114
 115                 public ResolveResponse Resolve (ResolveCriteria criteria)
 116                 {
 117                         var req = new MessageContractsApril2005.ResolveRequest () { Body = new ResolveCriteriaApril2005 (criteria) };
 118                         Channel.BeginResolve (req, delegate (IAsyncResult result) {
 119                                 Channel.EndResolve (result);
 120                         }, null);
 121
 122                         var timeout = InnerChannel.OperationTimeout < criteria.Duration ? InnerChannel.OperationTimeout : criteria.Duration;
 123                         if (!reply_find_handle.WaitOne (timeout))
 124                                 throw new TimeoutException ();
 125                         try {
 126                                 var ir = resolve_completed ();
 127                                 var metadata = ir.Body.ToEndpointDiscoveryMetadata ();
 128                                 var sequence = ir.MessageSequence.ToDiscoveryMessageSequence ();
 129                                 return new ResolveResponse (metadata, sequence);
 130                         } finally {
 131                                 resolve_completed = null;
 132                         }
 133                 }
 134
 135                 internal class DiscoveryTargetCallbackApril2005 : IDiscoveryTargetCallbackContractApril2005
 136                 {
 137                         public event Action<MessageContractsApril2005.FindResponse> ReplyFindCompleted;
 138                         public event Action<MessageContractsApril2005.ResolveResponse> ReplyResolveCompleted;
 139
 140                         public void ReplyFind (MessageContractsApril2005.FindResponse message)
 141                         {
 142                                 if (ReplyFindCompleted != null)
 143                                         ReplyFindCompleted (message);
 144                         }
 145
 146                         public void ReplyResolve (MessageContractsApril2005.ResolveResponse message)
 147                         {
 148                                 if (ReplyResolveCompleted != null)
 149                                         ReplyResolveCompleted (message);
 150                         }
 151                 }
 152         }
 153 }