// (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.Diagnostics;
using System.Text;
using System.Reflection;
using System.Threading;
using System.Runtime.Remoting.Lifetime;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
+using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
namespace System.Runtime.Remoting
// Holds the identities of the objects, using uri as index
static Hashtable uri_hash = new Hashtable ();
+ static BinaryFormatter _serializationFormatter;
+ static BinaryFormatter _deserializationFormatter;
+
internal static string app_id;
static int next_id = 1;
+ static readonly BindingFlags methodBindings = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
+
+ // Holds information in xdomain calls. Names are short to minimize serialized size.
+ [Serializable]
+ class CACD {
+ public object d; /* call data */
+ public object c; /* call context */
+ }
static RemotingServices ()
{
+ RemotingSurrogateSelector surrogateSelector = new RemotingSurrogateSelector ();
+ StreamingContext context = new StreamingContext (StreamingContextStates.Remoting, null);
+ _serializationFormatter = new BinaryFormatter (surrogateSelector, context);
+ _deserializationFormatter = new BinaryFormatter (null, context);
+
RegisterInternalChannels ();
app_id = Guid.NewGuid().ToString().Replace('-', '_') + "/";
CreateWellKnownServerIdentity (typeof(RemoteActivator), "RemoteActivationService.rem", WellKnownObjectMode.Singleton);
private RemotingServices () {}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
- internal extern static object InternalExecute (MonoMethod method, Object obj,
+ internal extern static object InternalExecute (MethodBase method, Object obj,
Object[] parameters, out object [] out_args);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
{
ReturnMessage result;
- MonoMethod method = (MonoMethod) target.GetType().GetMethod(reqMsg.MethodName, BindingFlags.Public|BindingFlags.NonPublic|BindingFlags.Instance, null, (Type[]) reqMsg.MethodSignature, null);
+ Type tt = target.GetType ();
+ MethodBase method = reqMsg.MethodBase.DeclaringType == tt ? reqMsg.MethodBase : tt.GetMethod(reqMsg.MethodName, BindingFlags.Public|BindingFlags.NonPublic|BindingFlags.Instance, null, (Type[]) reqMsg.MethodSignature, null);
object oldContext = CallContext.SetCurrentCallContext (reqMsg.LogicalCallContext);
try
object rval = InternalExecute (method, target, reqMsg.Args, out out_args);
// Collect parameters with Out flag from the request message
-
+ // FIXME: This can be done in the unmanaged side and will be
+ // more efficient
+
ParameterInfo[] parameters = method.GetParameters();
object[] returnArgs = new object [parameters.Length];
returnArgs [n++] = reqMsg.GetArg (par.Position);
else if (par.ParameterType.IsByRef)
returnArgs [n++] = out_args [noa++];
+ else
+ returnArgs [n++] = null;
}
- result = new ReturnMessage (rval, returnArgs, n, CallContext.CreateLogicalCallContext(), reqMsg);
+ result = new ReturnMessage (rval, returnArgs, n, CallContext.CreateLogicalCallContext (true), reqMsg);
}
catch (Exception e)
{
else
throw new ArgumentException ("The obj parameter is a proxy.");
}
- else
+ else {
identity = obj.ObjectIdentity;
+ obj.ObjectIdentity = null;
+ }
if (identity == null || !identity.IsConnected)
return false;
Type type = Type.GetType (msg.TypeName);
if (type == null)
throw new RemotingException ("Type '" + msg.TypeName + "' not found.");
-
- BindingFlags bflags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
- if (msg.MethodSignature == null)
- return type.GetMethod (msg.MethodName, bflags);
+
+ return GetMethodBaseFromName (type, msg.MethodName, (Type[]) msg.MethodSignature);
+ }
+
+ internal static MethodBase GetMethodBaseFromName (Type type, string methodName, Type[] signature)
+ {
+ if (type.IsInterface) {
+ return FindInterfaceMethod (type, methodName, signature);
+ }
+ else {
+ MethodBase method = null;
+ if (signature == null)
+ method = type.GetMethod (methodName, methodBindings);
+ else
+ method = type.GetMethod (methodName, methodBindings, null, (Type[]) signature, null);
+
+ if (method != null)
+ return method;
+
+ if (signature == null)
+ return type.GetConstructor (methodBindings, null, Type.EmptyTypes, null);
+ else
+ return type.GetConstructor (methodBindings, null, signature, null);
+ }
+ }
+
+ static MethodBase FindInterfaceMethod (Type type, string methodName, Type[] signature)
+ {
+ MethodBase method = null;
+
+ if (signature == null)
+ method = type.GetMethod (methodName, methodBindings);
else
- return type.GetMethod (msg.MethodName, bflags, null, (Type[]) msg.MethodSignature, null);
+ method = type.GetMethod (methodName, methodBindings, null, signature, null);
+
+ if (method != null) return method;
+
+ foreach (Type t in type.GetInterfaces ()) {
+ method = FindInterfaceMethod (t, methodName, signature);
+ if (method != null) return method;
+ }
+
+ return null;
}
public static void GetObjectData(object obj, SerializationInfo info, StreamingContext context)
throw new ArgumentException ("obj must be a proxy.","obj");
}
+ [MonoTODO]
+ [Conditional ("REMOTING_PERF")]
public static void LogRemotingStage (int stage)
{
throw new NotImplementedException ();
public static bool IsMethodOverloaded(IMethodMessage msg)
{
- // TODO: use internal call for better performance
- Type type = msg.MethodBase.DeclaringType;
- MemberInfo[] members = type.GetMember (msg.MethodName, MemberTypes.Method, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
- return members.Length > 1;
+ const BindingFlags bfinst = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance;
+ MonoType type = (MonoType) msg.MethodBase.DeclaringType;
+ return type.GetMethodsByName (msg.MethodName, bfinst, false, type).Length > 1;
}
public static bool IsObjectOutOfAppDomain(object tp)
{
// TODO: use internal call for better performance
Identity ident = GetObjectIdentity((MarshalByRefObject)tp);
- if (ident != null) return !ident.IsFromThisAppDomain;
- else return false;
+ return ident is ClientIdentity;
}
public static bool IsObjectOutOfContext(object tp)
{
// TODO: use internal call for better performance
- ServerIdentity ident = GetObjectIdentity((MarshalByRefObject)tp) as ServerIdentity;
- if (ident != null) return ident.Context != System.Threading.Thread.CurrentContext;
- else return false;
+ Identity ident = GetObjectIdentity((MarshalByRefObject)tp);
+ if (ident == null) return false;
+
+ ServerIdentity sident = ident as ServerIdentity;
+ if (sident != null) return sident.Context != System.Threading.Thread.CurrentContext;
+ else return true;
}
public static bool IsOneWay(MethodBase method)
{
- // TODO: use internal call for better performance
- object[] atts = method.GetCustomAttributes (typeof (OneWayAttribute), false);
- return atts.Length > 0;
+ return method.IsDefined (typeof (OneWayAttribute), false);
}
internal static bool IsAsyncMessage(IMessage msg)
public static void SetObjectUriForMarshal(MarshalByRefObject obj, string uri)
{
- if (IsTransparentProxy (obj)) throw new RemotingException ("SetObjectUriForMarshal method should only be called for MarshalByRefObjects that exist in the current AppDomain.");
+ if (IsTransparentProxy (obj)) {
+ RealProxy proxy = RemotingServices.GetRealProxy(obj);
+ Identity identity = proxy.ObjectIdentity;
+
+ if (identity != null && !(identity is ServerIdentity) && !proxy.GetProxiedType().IsContextful)
+ throw new RemotingException ("SetObjectUriForMarshal method should only be called for MarshalByRefObjects that exist in the current AppDomain.");
+ }
+
Marshal (obj, uri);
}
// It will also get the object uri from the url.
object channelData = objRef.ChannelInfo != null ? objRef.ChannelInfo.ChannelData : null;
- string url = (channelData == null) ? objRef.URI : null;
string objectUri;
- IMessageSink sink = GetClientChannelSinkChain (url, channelData, out objectUri);
+ IMessageSink sink = GetClientChannelSinkChain (objRef.URI, channelData, out objectUri);
if (objectUri == null) objectUri = objRef.URI;
if (proxyType != null)
{
RemotingProxy proxy = new RemotingProxy (proxyType, identity);
+ CrossAppDomainSink cds = sink as CrossAppDomainSink;
+ if (cds != null)
+ proxy.SetTargetDomain (cds.TargetDomainId);
+
clientProxy = proxy.GetTransparentProxy();
identity.ClientProxy = (MarshalByRefObject) clientProxy;
}
GetOrCreateClientIdentity (objRef, proxyType, out proxy);
return proxy;
}
+
+ // This method is called by the runtime
+ internal static object GetServerObject (string uri)
+ {
+ ClientActivatedIdentity identity = GetIdentityForUri (uri) as ClientActivatedIdentity;
+ if (identity == null) throw new RemotingException ("Server for uri '" + uri + "' not found");
+ return identity.GetServerObject ();
+ }
+
+ // This method is called by the runtime
+ internal static byte[] SerializeCallData (object obj)
+ {
+ LogicalCallContext ctx = CallContext.CreateLogicalCallContext (false);
+ if (ctx != null) {
+ CACD cad = new CACD ();
+ cad.d = obj;
+ cad.c = ctx;
+ obj = cad;
+ }
+
+ if (obj == null) return null;
+ MemoryStream ms = new MemoryStream ();
+ _serializationFormatter.Serialize (ms, obj);
+ return ms.ToArray ();
+ }
+ // This method is called by the runtime
+ internal static object DeserializeCallData (byte[] array)
+ {
+ if (array == null) return null;
+
+ MemoryStream ms = new MemoryStream (array);
+ object obj = _deserializationFormatter.Deserialize (ms);
+
+ if (obj is CACD) {
+ CACD cad = (CACD) obj;
+ obj = cad.d;
+ CallContext.UpdateCurrentCallContext ((LogicalCallContext) cad.c);
+ }
+ return obj;
+ }
+
+ // This method is called by the runtime
+ internal static byte[] SerializeExceptionData (Exception ex)
+ {
+ try {
+ int retry = 4;
+
+ do {
+ try {
+ MemoryStream ms = new MemoryStream ();
+ _serializationFormatter.Serialize (ms, ex);
+ return ms.ToArray ();
+ }
+ catch (Exception e) {
+ if (e is ThreadAbortException) {
+ Thread.ResetAbort ();
+ retry = 5;
+ ex = e;
+ }
+ else if (retry == 2) {
+ ex = new Exception ();
+ ex.SetMessage (e.Message);
+ ex.SetStackTrace (e.StackTrace);
+ }
+ else
+ ex = e;
+ }
+ retry--;
+ }
+ while (retry > 0);
+
+ return null;
+ }
+ catch (Exception tex)
+ {
+ byte[] data = SerializeExceptionData (tex);
+ Thread.ResetAbort ();
+ return data;
+ }
+ }
+
internal static object GetDomainProxy(AppDomain domain)
{
byte[] data = null;
projects / mono.git / blobdiff