//
// Author:
// Miguel de Icaza (miguel@ximian.com)
+// Dietmar Maurer (dietmar@ximian.com)
+// Lluis Sanchez Gual (lluis@ideary.com)
+// Patrik Torstensson
//
// (C) Ximian, Inc. http://www.ximian.com
//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
-// FIXME: This is just a skeleton for practical purposes.
+// 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.Runtime.Serialization;
+using System.Runtime.Remoting.Channels;
+using System.Runtime.Remoting.Messaging;
+using System.Runtime.Remoting.Proxies;
+
+using System.Runtime.ConstrainedExecution;
namespace System.Runtime.Remoting {
- public class ObjRef : IObjectReference, ISerializable {
- MarshalByRefObject mbr;
- SerializationInfo si;
- Type type;
+ [Serializable]
+ [System.Runtime.InteropServices.ComVisible (true)]
+ public class ObjRef : IObjectReference, ISerializable
+ {
+ IChannelInfo channel_info;
+ string uri;
+ IRemotingTypeInfo typeInfo;
+ IEnvoyInfo envoyInfo;
+ int flags;
+ Type _serverType;
+
+ static int MarshalledObjectRef = 1;
+ static int WellKnowObjectRef = 2;
public ObjRef ()
{
+ // no idea why this needs to be public
+
+ UpdateChannelInfo();
}
-
- public ObjRef (MarshalByRefObject mbr, Type type)
+
+ internal ObjRef (string typeName, string uri, IChannelInfo cinfo)
{
- this.mbr = mbr;
- this.type = type;
+ this.uri = uri;
+ channel_info = cinfo;
+ typeInfo = new TypeInfo (Type.GetType (typeName, true));
}
- public ObjRef (SerializationInfo si, StreamingContext sc)
+ internal ObjRef (ObjRef o, bool unmarshalAsProxy) {
+ channel_info = o.channel_info;
+ uri = o.uri;
+
+ typeInfo = o.typeInfo;
+ envoyInfo = o.envoyInfo;
+ flags = o.flags;
+ if (unmarshalAsProxy) flags |= MarshalledObjectRef;
+ }
+
+ public ObjRef (MarshalByRefObject o, Type requestedType)
{
- // FIXME: Implement.
- //
- // This encarnates the object from serialized data.
+ if (o == null)
+ throw new ArgumentNullException ("o");
+
+ if (requestedType == null)
+ throw new ArgumentNullException ("requestedType");
+
+ // The ObjRef can only be constructed if the given o
+ // has already been marshalled using RemotingServices.Marshall
+
+ uri = RemotingServices.GetObjectUri (o);
+ typeInfo = new TypeInfo (requestedType);
+
+ if (!requestedType.IsInstanceOfType (o))
+ throw new RemotingException ("The server object type cannot be cast to the requested type " + requestedType.FullName);
+
+ UpdateChannelInfo();
+ }
+
+ internal ObjRef (Type type, string url, object remoteChannelData)
+ {
+ uri = url;
+ typeInfo = new TypeInfo(type);
+
+ if (remoteChannelData != null)
+ channel_info = new ChannelInfo (remoteChannelData);
+
+ flags |= WellKnowObjectRef;
}
- public virtual void GetObjectData (SerializationInfo si, StreamingContext sc)
+ protected ObjRef (SerializationInfo info, StreamingContext context)
{
- // FIXME:
+ SerializationInfoEnumerator en = info.GetEnumerator();
+ // Info to serialize: uri, objrefFlags, typeInfo, envoyInfo, channelInfo
+
+ bool marshalledValue = true;
+
+ while (en.MoveNext ()) {
+ switch (en.Name) {
+ case "uri":
+ uri = (string)en.Value;
+ break;
+ case "typeInfo":
+ typeInfo = (IRemotingTypeInfo)en.Value;
+ break;
+ case "channelInfo":
+ channel_info = (IChannelInfo)en.Value;
+ break;
+ case "envoyInfo":
+ envoyInfo = (IEnvoyInfo)en.Value;
+ break;
+ case "fIsMarshalled":
+ int status;
+ Object o = en.Value;
+ if (o is string)
+ status = ((IConvertible) o).ToInt32(null);
+ else
+ status = (int) o;
+
+ if (status == 0)
+ marshalledValue = false;
+ break;
+ case "objrefFlags":
+ flags = Convert.ToInt32 (en.Value);
+ break;
+ default:
+ throw new NotSupportedException ();
+ }
+ }
+ if (marshalledValue) flags |= MarshalledObjectRef;
}
- public virtual object GetRealObject (StreamingContext sc)
+ internal bool IsPossibleToCAD ()
{
- // FIXME:
+ // we should check if this obj ref belongs to a cross app context.
+
+ // Return false. If not, serialization of this ObjRef will not work
+ // on the target AD.
+ return false;
+ }
+
+ internal bool IsReferenceToWellKnow
+ {
+ get { return (flags & WellKnowObjectRef) > 0; }
+ }
+
+ public virtual IChannelInfo ChannelInfo {
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
+ get {
+ return channel_info;
+ }
- return null;
+ set {
+ channel_info = value;
+ }
+ }
+
+ public virtual IEnvoyInfo EnvoyInfo {
+ get {
+ return envoyInfo;
+ }
+ set {
+ envoyInfo = value;
+ }
+ }
+
+ public virtual IRemotingTypeInfo TypeInfo {
+ get {
+ return typeInfo;
+ }
+ set {
+ typeInfo = value;
+ }
+ }
+
+ public virtual string URI {
+ get {
+ return uri;
+ }
+ set {
+ uri = value;
+ }
+ }
+
+ public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
+ {
+ info.SetType (GetType());
+ info.AddValue ("uri", uri);
+ info.AddValue ("typeInfo", typeInfo, typeof (IRemotingTypeInfo));
+ info.AddValue ("envoyInfo", envoyInfo, typeof (IEnvoyInfo));
+ info.AddValue ("channelInfo", channel_info, typeof(IChannelInfo));
+ info.AddValue ("objrefFlags", flags);
+ }
+
+ public virtual object GetRealObject (StreamingContext context)
+ {
+ if ((flags & MarshalledObjectRef) > 0)
+ return RemotingServices.Unmarshal (this);
+ else
+ return this;
}
public bool IsFromThisAppDomain ()
{
- // FIXME:
-
- return true;
+ Identity identity = RemotingServices.GetIdentityForUri (uri);
+ if (identity == null) return false; // URI not registered in this domain
+
+ return identity.IsFromThisAppDomain;
}
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
public bool IsFromThisProcess ()
{
- // FIXME:
+ foreach (object data in channel_info.ChannelData)
+ {
+ if (data is CrossAppDomainData)
+ {
+ string refProcId = ((CrossAppDomainData)data).ProcessID;
+ return (refProcId == RemotingConfiguration.ProcessId);
+ }
+ }
return true;
}
+
+ internal void UpdateChannelInfo()
+ {
+ channel_info = new ChannelInfo ();
+ }
+
+ internal Type ServerType
+ {
+ get
+ {
+ if (_serverType == null) _serverType = Type.GetType (typeInfo.TypeName);
+ return _serverType;
+ }
+ }
}
}