143 lines
4.6 KiB
C#
143 lines
4.6 KiB
C#
//
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// ClientRealProxy.cs
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//
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// Author:
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// Atsushi Enomoto <atsushi@ximian.com>
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//
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// Copyright (C) 2011 Novell, Inc. http://www.novell.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if !DISABLE_REAL_PROXY
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.Remoting;
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using System.Runtime.Remoting.Messaging;
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using System.Runtime.Remoting.Proxies;
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using System.ServiceModel.Channels;
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using System.ServiceModel.Description;
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using System.ServiceModel.Dispatcher;
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using System.ServiceModel.MonoInternal;
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using System.Threading;
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namespace System.ServiceModel
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{
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class ClientRealProxy : RealProxy, IRemotingTypeInfo
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{
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public ClientRealProxy (Type type, IInternalContextChannel channel, bool isDuplex)
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: base (type)
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{
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this.channel = channel;
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this.isDuplex = isDuplex;
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}
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bool isDuplex;
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IInternalContextChannel channel;
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Dictionary<object,object[]> saved_params = new Dictionary<object,object[]> ();
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// It is used for such case that EndProcess() gets invoked
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// before storing params is done after BeginProcess().
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ManualResetEvent wait = new ManualResetEvent (false);
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#region IRemotingTypeInfo
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public virtual string TypeName { get; set; }
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static bool CanCastTo<T> (Type type)
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{
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return typeof (T) == type || typeof (T).GetInterfaces ().Contains (type);
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}
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public virtual bool CanCastTo (Type t, object o)
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{
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if (CanCastTo<IClientChannel> (t))
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return true;
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#if !MOBILE
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if (isDuplex && CanCastTo<IDuplexContextChannel> (t))
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return true;
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#endif
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return false;
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}
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#endregion
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public override IMessage Invoke (IMessage inputMessage)
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{
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try {
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return DoInvoke (inputMessage);
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} catch (TargetInvocationException ex) {
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if (ex.InnerException != null)
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throw ex.InnerException;
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throw;
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}
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}
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IMessage DoInvoke (IMessage inputMessage)
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{
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var inmsg = (IMethodCallMessage) inputMessage;
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var od = channel.Contract.Operations.FirstOrDefault (o => inmsg.MethodBase.Equals (o.SyncMethod) || inmsg.MethodBase.Equals (o.BeginMethod) || inmsg.MethodBase.Equals (o.EndMethod));
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if (od == null) {
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// Then IContextChannel methods.
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var ret = inmsg.MethodBase.Invoke (channel, inmsg.InArgs);
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return new ReturnMessage (ret, null, 0, null, inmsg);
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} else {
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object [] pl;
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MethodBase method = null;
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List<object> outArgs = null;
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object ret;
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if (inmsg.MethodBase.Equals (od.SyncMethod)) {
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// sync invocation
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pl = new object [inmsg.MethodBase.GetParameters ().Length];
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Array.Copy (inmsg.Args, pl, inmsg.ArgCount);
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ret = channel.Process (inmsg.MethodBase, od.Name, pl, OperationContext.Current);
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method = od.SyncMethod;
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} else if (inmsg.MethodBase.Equals (od.BeginMethod)) {
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// async invocation
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pl = new object [inmsg.ArgCount - 2];
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Array.Copy (inmsg.Args, 0, pl, 0, pl.Length);
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ret = channel.BeginProcess (inmsg.MethodBase, od.Name, pl, (AsyncCallback) inmsg.Args [inmsg.ArgCount - 2], inmsg.Args [inmsg.ArgCount - 1]);
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saved_params [ret] = pl;
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wait.Set ();
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} else {
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var result = (IAsyncResult) inmsg.InArgs [0];
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wait.WaitOne ();
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pl = saved_params [result];
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wait.Reset ();
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saved_params.Remove (result);
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ret = channel.EndProcess (inmsg.MethodBase, od.Name, pl, result);
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method = od.BeginMethod;
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}
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if (method != null && method.GetParameters ().Any (pi => pi.IsOut || pi.ParameterType.IsByRef))
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return new ReturnMessage (ret, pl, pl.Length, null, inmsg);
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else
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return new ReturnMessage (ret, outArgs != null ? outArgs.ToArray () : null, outArgs != null ? outArgs.Count : 0, null, inmsg);
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}
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}
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}
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}
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#endif
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