mcs/class/System.ServiceModel/System.ServiceModel/ChannelFactory_1.cs

   1 //
   2 // generic ChannelFactory_1.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2005 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.ObjectModel;
  30 using System.Reflection;
  31 using System.Runtime.Remoting;
  32 using System.ServiceModel.Channels;
  33 using System.ServiceModel.Description;
  34 using System.ServiceModel.Dispatcher;
  35 using System.ServiceModel.MonoInternal;
  36
  37 namespace System.ServiceModel
  38 {
  39         // LAMESPEC: TChannel should have been defined as "where TChannel : IClientChannel".
  40         // The returned channel is actually used as IClientChannel.
  41         // (That's also likely why the type parameter name is TChannel, not TContract.)
  42         public class ChannelFactory<TChannel>
  43                 : ChannelFactory, IChannelFactory<TChannel>
  44         {
  45                 public ChannelFactory ()
  46                 {
  47                 }
  48
  49                 protected ChannelFactory (Type type)
  50                 {
  51                         if (type == null)
  52                                 throw new ArgumentNullException ("type");
  53                         if (!type.IsInterface)
  54                                 throw new InvalidOperationException ("The type argument to the generic ChannelFactory constructor must be an interface type.");
  55
  56                         InitializeEndpoint (CreateDescription ());
  57                 }
  58
  59                 public ChannelFactory (string endpointConfigurationName)
  60                 {
  61                         if (endpointConfigurationName == null)
  62                                 throw new ArgumentNullException ("endpointConfigurationName");
  63
  64                         InitializeEndpoint (endpointConfigurationName, null);
  65                 }
  66
  67                 public ChannelFactory (string endpointConfigurationName,
  68                         EndpointAddress remoteAddress)
  69                 {
  70                         if (endpointConfigurationName == null)
  71                                 throw new ArgumentNullException ("endpointConfigurationName");
  72
  73                         InitializeEndpoint (endpointConfigurationName, remoteAddress);
  74                 }
  75
  76                 public ChannelFactory (ServiceEndpoint endpoint)
  77                 {
  78                         if (endpoint == null)
  79                                 throw new ArgumentNullException ("serviceEndpoint");
  80
  81                         InitializeEndpoint (endpoint);
  82                 }
  83
  84                 public ChannelFactory (Binding binding, string remoteAddress)
  85                         : this (binding, new EndpointAddress (remoteAddress))
  86                 {
  87                 }
  88
  89                 public ChannelFactory (Binding binding)
  90                         : this (binding, (EndpointAddress) null)
  91                 {
  92                 }
  93
  94                 public ChannelFactory (Binding binding, EndpointAddress remoteAddress)
  95                         : this (typeof (TChannel))
  96                 {
  97                         if (binding == null)
  98                                 throw new ArgumentNullException ();
  99
 100                         Endpoint.Binding = binding;
 101                         Endpoint.Address = remoteAddress;
 102                 }
 103
 104                 internal object OwnerClientBase { get; set; }
 105
 106                 public TChannel CreateChannel ()
 107                 {
 108                         EnsureOpened ();
 109
 110                         return CreateChannel (Endpoint.Address);
 111                 }
 112
 113                 public TChannel CreateChannel (EndpointAddress address)
 114                 {
 115                         return CreateChannel (address, null);
 116                 }
 117
 118                 static TChannel CreateChannelCore (ChannelFactory<TChannel> cf, Func<ChannelFactory<TChannel>, TChannel> f)
 119                 {
 120                         var ch = f (cf);
 121                         ((ICommunicationObject) (object) ch).Closed += delegate {
 122                                 if (cf.State == CommunicationState.Opened)
 123                                         cf.Close ();
 124                         };
 125                         return ch;
 126                 }
 127
 128                 public static TChannel CreateChannel (Binding binding, EndpointAddress address)
 129                 {
 130                         return CreateChannelCore (new ChannelFactory<TChannel> (binding, address), f => f.CreateChannel ());
 131                 }
 132
 133                 public static TChannel CreateChannel (Binding binding, EndpointAddress address, Uri via)
 134                 {
 135                         return CreateChannelCore (new ChannelFactory<TChannel> (binding), f => f.CreateChannel (address, via));
 136                 }
 137
 138                 public virtual TChannel CreateChannel (EndpointAddress address, Uri via)
 139                 {
 140 #if FULL_AOT_RUNTIME
 141                         throw new InvalidOperationException ("MonoTouch does not support dynamic proxy code generation. Override this method or its caller to return specific client proxy instance");
 142 #else
 143                         var existing = Endpoint.Address;
 144                         try {
 145
 146                         Endpoint.Address = address;
 147                         EnsureOpened ();
 148                         Endpoint.Validate ();
 149 #if DISABLE_REAL_PROXY
 150                         Type type = ClientProxyGenerator.CreateProxyType (typeof (TChannel), Endpoint.Contract, false);
 151                         // in .NET and SL2, it seems that the proxy is RealProxy.
 152                         // But since there is no remoting in SL2 (and we have
 153                         // no special magic), we have to use different approach
 154                         // that should work either.
 155                         var proxy = (IClientChannel) Activator.CreateInstance (type, new object [] {Endpoint, this, address ?? Endpoint.Address, via});
 156 #else
 157                         var proxy = (IClientChannel) new ClientRealProxy (typeof (TChannel), new ClientRuntimeChannel (Endpoint, this, address ?? Endpoint.Address, via), false).GetTransparentProxy ();
 158 #endif
 159                         proxy.Opened += delegate {
 160                                 OpenedChannels.Add (proxy);
 161                         };
 162                         proxy.Closing += delegate {
 163                                 OpenedChannels.Remove (proxy);
 164                         };
 165
 166                         return (TChannel) proxy;
 167                         } catch (TargetInvocationException ex) {
 168                                 if (ex.InnerException != null)
 169                                         throw ex.InnerException;
 170                                 else
 171                                         throw;
 172                         } finally {
 173                                 Endpoint.Address = existing;
 174                         }
 175 #endif
 176                 }
 177
 178                 protected static TChannel CreateChannel (string endpointConfigurationName)
 179                 {
 180                         return CreateChannelCore (new ChannelFactory<TChannel> (endpointConfigurationName), f => f.CreateChannel ());
 181                 }
 182
 183                 protected override ServiceEndpoint CreateDescription ()
 184                 {
 185                         ContractDescription cd = ContractDescription.GetContract (typeof (TChannel));
 186                         ServiceEndpoint ep = new ServiceEndpoint (cd);
 187                         ep.Behaviors.Add (new ClientCredentials ());
 188                         return ep;
 189                 }
 190         }
 191
 192         class DummyClientBase<T> : ClientBase<T> where T : class
 193         {
 194                 public DummyClientBase (ChannelFactory<T> factory)
 195                         : base (factory)
 196                 {
 197                 }
 198         }
 199 }