// (C) 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.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 {
[Serializable]
+ [System.Runtime.InteropServices.ComVisible (true)]
public class ObjRef : IObjectReference, ISerializable
{
IChannelInfo channel_info;
string uri;
IRemotingTypeInfo typeInfo;
IEnvoyInfo envoyInfo;
- [NonSerialized] bool marshalledValue = true;
+ int flags;
+ Type _serverType;
+
+ static int MarshalledObjectRef = 1;
+ static int WellKnowObjectRef = 2;
public ObjRef ()
{
// no idea why this needs to be public
- channel_info = new ChannelInfoStore ();
+
+ UpdateChannelInfo();
}
- internal bool IsPossibleToCAD () {
- // we should check if this obj ref belongs to a cross app context
- return true;
+ internal ObjRef (string typeName, string uri, IChannelInfo cinfo)
+ {
+ this.uri = uri;
+ channel_info = cinfo;
+ typeInfo = new TypeInfo (Type.GetType (typeName, true));
}
- internal ObjRef (ObjRef o) {
+ internal ObjRef (ObjRef o, bool unmarshalAsProxy) {
channel_info = o.channel_info;
uri = o.uri;
typeInfo = o.typeInfo;
envoyInfo = o.envoyInfo;
- marshalledValue = true;
+ flags = o.flags;
+ if (unmarshalAsProxy) flags |= MarshalledObjectRef;
}
-
- public ObjRef (MarshalByRefObject mbr, Type type)
+
+ public ObjRef (MarshalByRefObject o, Type requestedType)
{
- if (mbr == null)
- throw new ArgumentNullException ("mbr");
+ if (o == null)
+ throw new ArgumentNullException ("o");
- if (type == null)
- throw new ArgumentNullException ("type");
+ if (requestedType == null)
+ throw new ArgumentNullException ("requestedType");
- // The ObjRef can only be constructed if the given mbr
+ // The ObjRef can only be constructed if the given o
// has already been marshalled using RemotingServices.Marshall
- uri = RemotingServices.GetObjectUri(mbr);
+ 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 (!typeInfo.CanCastTo(mbr.GetType(), mbr))
- throw new RemotingException ("The server object type cannot be cast to the requested type " + type.FullName + ".");
+ if (remoteChannelData != null)
+ channel_info = new ChannelInfo (remoteChannelData);
- channel_info = new ChannelInfoStore ();
+ flags |= WellKnowObjectRef;
}
- protected ObjRef (SerializationInfo si, StreamingContext sc)
+ protected ObjRef (SerializationInfo info, StreamingContext context)
{
- SerializationInfoEnumerator en = si.GetEnumerator();
+ SerializationInfoEnumerator en = info.GetEnumerator();
// Info to serialize: uri, objrefFlags, typeInfo, envoyInfo, channelInfo
- marshalledValue = true;
+ bool marshalledValue = true;
while (en.MoveNext ()) {
switch (en.Name) {
case "fIsMarshalled":
int status;
Object o = en.Value;
- if (o.GetType().Equals(typeof(String)))\r
- status = ((IConvertible) o).ToInt32(null);\r
- else\r
- status = (int) o;\r
+ if (o is string)
+ status = ((IConvertible) o).ToInt32(null);
+ else
+ status = (int) o;
if (status == 0)
marshalledValue = false;
break;
- case "objrefFlags": // FIXME: do something with this
+ case "objrefFlags":
+ flags = Convert.ToInt32 (en.Value);
break;
default:
throw new NotSupportedException ();
}
}
+ if (marshalledValue) flags |= MarshalledObjectRef;
}
- public virtual IChannelInfo ChannelInfo {
+ internal bool IsPossibleToCAD ()
+ {
+ // 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;
}
}
}
- [MonoTODO]
public virtual IEnvoyInfo EnvoyInfo {
get {
- throw new NotImplementedException ();
+ return envoyInfo;
}
set {
- throw new NotImplementedException ();
+ envoyInfo = value;
}
}
- [MonoTODO]
public virtual IRemotingTypeInfo TypeInfo {
get {
return typeInfo;
}
}
- public virtual void GetObjectData (SerializationInfo si, StreamingContext sc)
+ public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
{
- si.SetType (GetType());
- si.AddValue ("uri", uri);
- si.AddValue ("typeInfo", typeInfo, typeof (IRemotingTypeInfo));
- si.AddValue ("envoyInfo", envoyInfo, typeof (IEnvoyInfo));
- si.AddValue ("channelInfo", channel_info, typeof(IChannelInfo));
- si.AddValue ("objrefFlags", 0);
+ 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 sc)
+ public virtual object GetRealObject (StreamingContext context)
{
- if (marshalledValue)
- return RemotingServices.GetRemoteObject(Type.GetType(typeInfo.TypeName), null, channel_info.ChannelData, uri);
+ if ((flags & MarshalledObjectRef) > 0)
+ return RemotingServices.Unmarshal (this);
else
return this;
}
return identity.IsFromThisAppDomain;
}
- [MonoTODO]
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
public bool IsFromThisProcess ()
{
- // as yet we do not consider this optimization
- return false;
+ foreach (object data in channel_info.ChannelData)
+ {
+ if (data is CrossAppDomainData)
+ {
+ string refProcId = ((CrossAppDomainData)data).ProcessID;
+ return (refProcId == RemotingConfiguration.ProcessId);
+ }
+ }
+
+ return true;
}
- internal object GetInternalObject () {
- if (!marshalledValue)
- return this;
- else {
- return RemotingServices.Unmarshal (this);
+ internal void UpdateChannelInfo()
+ {
+ channel_info = new ChannelInfo ();
+ }
+
+ internal Type ServerType
+ {
+ get
+ {
+ if (_serverType == null) _serverType = Type.GetType (typeInfo.TypeName);
+ return _serverType;
}
}
}