137 lines
3.9 KiB
C#
137 lines
3.9 KiB
C#
//
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// System.MarshalByRefObject.cs
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//
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// Authors:
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// Miguel de Icaza (miguel@ximian.com)
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// Lluis Sanchez Gual (lsg@ctv.es)
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// Patrik Torstensson (totte_mono@yahoo.com)
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//
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// (C) Ximian, Inc. http://www.ximian.com
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// Copyright (C) 2004-2005 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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using System.Threading;
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using System.Runtime.Remoting;
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using System.Security.Permissions;
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using System.Runtime.InteropServices;
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namespace System
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{
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[Serializable]
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[ComVisible (true)]
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[StructLayout (LayoutKind.Sequential)]
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public abstract class MarshalByRefObject
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{
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[NonSerialized]
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#if DISABLE_REMOTING
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private object _identity; //Keep layout equal to avoid runtime issues
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#else
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private ServerIdentity _identity; // Holds marshalling iformation of the object
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#endif
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protected MarshalByRefObject ()
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{
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}
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#if DISABLE_REMOTING
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internal ServerIdentity ObjectIdentity {
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get { throw new NotSupportedException (); }
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set { throw new NotSupportedException (); }
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}
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#else
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internal Identity GetObjectIdentity (MarshalByRefObject obj, out bool IsClient)
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{
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IsClient = false;
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Identity objId = null;
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if (RemotingServices.IsTransparentProxy (obj)) {
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objId = RemotingServices.GetRealProxy (obj).ObjectIdentity;
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IsClient = true;
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}
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else {
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objId = obj.ObjectIdentity;
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}
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return objId;
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}
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internal ServerIdentity ObjectIdentity {
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get { return _identity; }
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set { _identity = value; }
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}
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#endif
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[SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
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public virtual ObjRef CreateObjRef (Type requestedType)
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{
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#if DISABLE_REMOTING
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throw new NotSupportedException ();
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#else
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// This method can only be called when this object has been marshalled
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if (_identity == null)
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throw new RemotingException (Locale.GetText ("No remoting information was found for the object."));
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return _identity.CreateObjRef (requestedType);
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#endif
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}
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// corcompare says it is "virtual final", so there is likely
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// an internal interface in .NET.
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[SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
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public object GetLifetimeService ()
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{
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#if DISABLE_REMOTING
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throw new NotSupportedException ();
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#else
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if (_identity == null)
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return null;
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else return _identity.Lease;
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#endif
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}
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[SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
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public virtual object InitializeLifetimeService ()
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{
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#if DISABLE_REMOTING
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throw new NotSupportedException ();
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#else
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if (_identity != null && _identity.Lease != null)
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return _identity.Lease;
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else
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return new System.Runtime.Remoting.Lifetime.Lease();
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#endif
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}
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protected MarshalByRefObject MemberwiseClone (bool cloneIdentity)
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{
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#if DISABLE_REMOTING
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throw new NotSupportedException ();
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#else
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MarshalByRefObject mbr = (MarshalByRefObject) MemberwiseClone ();
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if (!cloneIdentity)
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mbr._identity = null;
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return mbr;
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#endif
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}
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}
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}
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