// 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.Remoting.Messaging;
using System.Runtime.Remoting.Proxies;
+#if NET_2_0
+using System.Runtime.ConstrainedExecution;
+#endif
+
namespace System.Runtime.Remoting {
[Serializable]
- public class ObjRef : IObjectReference, ISerializable {
- MarshalByRefObject mbr;
+ public class ObjRef : IObjectReference, ISerializable
+ {
IChannelInfo channel_info;
string uri;
- Type type;
+ 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();
}
-
+
+ internal ObjRef (string typeName, string uri, IChannelInfo cinfo)
+ {
+ this.uri = uri;
+ channel_info = cinfo;
+ typeInfo = new TypeInfo (Type.GetType (typeName));
+ }
+
+ 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 mbr, Type type)
{
if (mbr == null)
if (type == null)
throw new ArgumentNullException ("type");
- this.mbr = mbr;
- this.type = type;
+ // The ObjRef can only be constructed if the given mbr
+ // has already been marshalled using RemotingServices.Marshall
- channel_info = new ChannelInfoStore ();
+ uri = RemotingServices.GetObjectUri(mbr);
+ typeInfo = new TypeInfo(type);
+
+ if (!type.IsInstanceOfType (mbr))
+ throw new RemotingException ("The server object type cannot be cast to the requested type " + type.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;
}
protected ObjRef (SerializationInfo si, StreamingContext sc)
{
SerializationInfoEnumerator en = si.GetEnumerator();
+ // Info to serialize: uri, objrefFlags, typeInfo, envoyInfo, channelInfo
+
+ bool marshalledValue = true;
while (en.MoveNext ()) {
switch (en.Name) {
case "uri":
uri = (string)en.Value;
- mbr = RemotingServices.GetServerForUri (uri);
break;
- case "type":
- type = (Type)en.Value;
+ case "typeInfo":
+ typeInfo = (IRemotingTypeInfo)en.Value;
break;
case "channelInfo":
- type = (Type)en.Value;
+ 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 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 {
+#if NET_2_0
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
+#endif
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 {
- throw new NotImplementedException ();
+ return typeInfo;
}
set {
- throw new NotImplementedException ();
+ typeInfo = value;
}
}
public virtual void GetObjectData (SerializationInfo si, StreamingContext sc)
{
- si.SetType (type);
-
- si.AddValue ("url", uri);
- si.AddValue ("type", type, typeof (Type));
+ 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", flags);
}
public virtual object GetRealObject (StreamingContext sc)
{
- if (IsFromThisAppDomain ())
- return mbr;
+ if ((flags & MarshalledObjectRef) > 0)
+ return RemotingServices.Unmarshal (this);
+ else
+ return this;
+ }
- object [] channel_data = channel_info.ChannelData;
- IChannel[] channels = ChannelServices.RegisteredChannels;
-
- IMessageSink sink = null;
+ public bool IsFromThisAppDomain ()
+ {
+ Identity identity = RemotingServices.GetIdentityForUri (uri);
+ if (identity == null) return false; // URI not registered in this domain
- foreach (object data in channel_data) {
- foreach (IChannel channel in channels) {
- IChannelSender sender = channel as IChannelSender;
- if (sender == null)
- continue;
+ return identity.IsFromThisAppDomain;
+ }
- string object_uri;
- if ((sink = sender.CreateMessageSink (null, data, out object_uri)) != null)
- break;
+#if NET_2_0
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
+#endif
+ public bool IsFromThisProcess ()
+ {
+ foreach (object data in channel_info.ChannelData)
+ {
+ if (data is CrossAppDomainData)
+ {
+ string refProcId = ((CrossAppDomainData)data).ProcessID;
+ return (refProcId == RemotingConfiguration.ProcessId);
}
- if (sink != null)
- break;
}
-
- if (sink == null)
- throw new RemotingException ("Cannot create channel sink");
-
- RemotingProxy real_proxy = new RemotingProxy (type, sink);
- return real_proxy.GetTransparentProxy ();
+ return true;
}
- public bool IsFromThisAppDomain ()
+ internal void UpdateChannelInfo()
{
- return (mbr != null);
+ channel_info = new ChannelInfo ();
}
- public bool IsFromThisProcess ()
+ internal Type ServerType
{
- // as yet we do not consider this optimization
- return false;
+ get
+ {
+ if (_serverType == null) _serverType = Type.GetType (typeInfo.TypeName);
+ return _serverType;
+ }
}
}
}
projects / mono.git / blobdiff