Merge pull request #3224 from ludovic-henry/iolayer-extract-wait-handle
[mono.git] / mcs / class / corlib / System.Runtime.Remoting.Proxies / RemotingProxy.cs
index 06eeb0dbae6d88488845243605797768668cf9e4..02f6d2b8d36d11ca09a33e65473967fe7f14211c 100644 (file)
 //
 // Authors:
 //   Dietmar Maurer (dietmar@ximian.com)
+//   Lluis Sanchez Gual (lsg@ctv.es)
 //
 // (C) 2001 Ximian, Inc.  http://www.ximian.com
 //
 
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
 using System;
+using System.Reflection;
 using System.Runtime.Remoting.Messaging;
+using System.Runtime.Remoting.Activation;
 using System.Runtime.Remoting.Channels;
+using System.Runtime.Remoting.Contexts;
 using System.Runtime.CompilerServices;
+using System.Threading;
 
 
 namespace System.Runtime.Remoting.Proxies
 {
 
-       public class RemotingProxy : RealProxy {
+       internal class RemotingProxy : RealProxy, IRemotingTypeInfo
+       {
+               static MethodInfo _cache_GetTypeMethod = typeof(System.Object).GetMethod("GetType");
+               static MethodInfo _cache_GetHashCodeMethod = typeof(System.Object).GetMethod("GetHashCode");
 
-               IMessageSink sink;
-               
-               
-               public RemotingProxy (Type type, IMessageSink sink) : base (type)
+               IMessageSink _sink;
+               bool _hasEnvoySink;
+               ConstructionCall _ctorCall;
+
+               internal RemotingProxy (Type type, ClientIdentity identity) : base (type, identity)
+               {
+                       _sink = identity.ChannelSink;
+                       _hasEnvoySink = false;
+                       _targetUri = identity.TargetUri;
+               }
+
+               internal RemotingProxy (Type type, string activationUrl, object[] activationAttributes) : base (type)
                {
-                       this.sink = sink;
+                       _hasEnvoySink = false;
+                       _ctorCall = ActivationServices.CreateConstructionCall (type, activationUrl, activationAttributes);
                }
 
                public override IMessage Invoke (IMessage request)
                {
-                       return sink.SyncProcessMessage (request);
+                       IMethodCallMessage mm = request as IMethodCallMessage;
+
+                       if (mm != null) {
+                               if (mm.MethodBase == _cache_GetHashCodeMethod)
+                                       return new MethodResponse(ObjectIdentity.GetHashCode(), null, null, mm);
+       
+                               if (mm.MethodBase == _cache_GetTypeMethod)
+                                       return new MethodResponse(GetProxiedType(), null, null, mm);
+                       }
+                       
+                       IInternalMessage im = request as IInternalMessage;
+                       if (im != null) {
+                               if (im.Uri == null) im.Uri = _targetUri;
+                               im.TargetIdentity = _objectIdentity;
+                       }
+
+                       _objectIdentity.NotifyClientDynamicSinks (true, request, true, false);
+
+                       IMessage response;
+                       IMessageSink sink;
+
+                       // Needs to go through the client context sink?
+                       if (Thread.CurrentContext.HasExitSinks && !_hasEnvoySink)
+                               sink = Thread.CurrentContext.GetClientContextSinkChain ();
+                       else
+                               sink = _sink;
+
+                       MonoMethodMessage mMsg = request as MonoMethodMessage;
+                       if (mMsg == null || mMsg.CallType == CallType.Sync)
+                               response = sink.SyncProcessMessage (request);
+                       else
+                       {
+                               AsyncResult ares = mMsg.AsyncResult;
+                               IMessageCtrl mctrl = sink.AsyncProcessMessage (request, ares);
+                               if (ares != null) ares.SetMessageCtrl (mctrl);
+                               response = new ReturnMessage (null, new object[0], 0, null, mMsg);
+                       }
+
+                       _objectIdentity.NotifyClientDynamicSinks (false, request, true, false);
+
+                       return response;
+               }
+
+               internal void AttachIdentity (Identity identity)
+               {
+                       _objectIdentity = identity;
+
+                       if (identity is ClientActivatedIdentity)        // It is a CBO
+                       {
+                               ClientActivatedIdentity cai = (ClientActivatedIdentity)identity;
+                               _targetContext = cai.Context;
+                               AttachServer (cai.GetServerObject ());
+                               cai.SetClientProxy ((MarshalByRefObject) GetTransparentProxy());
+                       }
+
+                       if (identity is ClientIdentity)
+                       {
+                               ((ClientIdentity)identity).ClientProxy = (MarshalByRefObject) GetTransparentProxy();
+                               _targetUri = ((ClientIdentity)identity).TargetUri;
+                       }
+                       else
+                               _targetUri = identity.ObjectUri;
+
+                       if (_objectIdentity.EnvoySink != null)
+                       {
+                               _sink = _objectIdentity.EnvoySink;
+                               _hasEnvoySink = true;
+                       }
+                       else 
+                               _sink = _objectIdentity.ChannelSink;
+
+                       _ctorCall = null;       // Object already constructed
+               }
+
+               internal IMessage ActivateRemoteObject (IMethodMessage request)
+               {
+                       if (_ctorCall == null)  // It must be a WKO
+                               return new ConstructionResponse (this, null, (IMethodCallMessage) request);     // Ignore constructor call for WKOs
+
+                       _ctorCall.CopyFrom (request);
+                       return ActivationServices.Activate (this, _ctorCall);
                }
 
+               public string TypeName 
+               { 
+                       get
+                       {
+                               if (_objectIdentity is ClientIdentity) {
+                                       ObjRef oref = _objectIdentity.CreateObjRef (null);
+                                       if (oref.TypeInfo != null) return oref.TypeInfo.TypeName;
+                               }
+                               return GetProxiedType().AssemblyQualifiedName;
+                       }
+                       
+                       set
+                       {
+                               throw new NotSupportedException ();
+                       }
+               }
+               
+               public bool CanCastTo (Type fromType, object o)
+               {
+                       if (_objectIdentity is ClientIdentity) {
+                               ObjRef oref = _objectIdentity.CreateObjRef (null);
+                               if (oref.IsReferenceToWellKnow && (fromType.IsInterface || GetProxiedType() == typeof(MarshalByRefObject))) return true;
+                               if (oref.TypeInfo != null) return oref.TypeInfo.CanCastTo (fromType, o);
+                       }
+                       return fromType.IsAssignableFrom (GetProxiedType());
+               }
+               
+               ~RemotingProxy()
+               {
+                       if (_objectIdentity != null)
+                       {
+                               if (!(_objectIdentity is ClientActivatedIdentity))      // Local CBO proxy?
+                                       RemotingServices.DisposeIdentity (_objectIdentity);
+                       }
+               }
+               
        }
 }