public override MarshalByRefObject CreateInstance(Type serverType) { // Platform.Assert(Platform.W2K, "ServicedComponent"); RealProxy rp = null; MarshalByRefObject mo = null; DBG.Info(DBG.SC, "SCPA.CreateInstance(" + serverType + ") for managed request"); ServicedComponentProxy.CleanupQueues(true); // First check if the type is configured to be activated remotely or is a well // known remote type. if ((null != RemotingConfiguration.IsWellKnownClientType(serverType)) || (null != RemotingConfiguration.IsRemotelyActivatedClientType(serverType))) { // It is configured for remote activation. Ask remoting services to do the // job of creating a remoting proxy and returning it. mo = base.CreateInstance(serverType); rp = RemotingServices.GetRealProxy(mo); } else { bool bIsAnotherProcess = false; string uri = ""; bool bEventClass = ServicedComponentInfo.IsTypeEventSource(serverType); IntPtr pUnk = Thunk.Proxy.CoCreateObject(serverType, !bEventClass, ref bIsAnotherProcess, ref uri); if (pUnk != IntPtr.Zero) { try { // TODO: Get rid of this useless foreknowledge requirement // Is there a way we can tell by QI'ing this guy if he's // an event class (or something else we need to artificially // wrap? if (bEventClass) { // events and queued components use RemoteServicedComponentProxy // set up a TP & Remote ServicedComponentProxy pair rp = new RemoteServicedComponentProxy(serverType, pUnk, true); mo = (MarshalByRefObject)rp.GetTransparentProxy(); } else { if (bIsAnotherProcess) // a-ha, we know it should be a RSCP now !!!! { FastRSCPObjRef oref = new FastRSCPObjRef(pUnk, serverType, uri); mo = (MarshalByRefObject)RemotingServices.Unmarshal(oref); DBG.Assert(mo != null, "RemotingServices.Unmarshal returned null!"); DBG.Assert(RemotingServices.GetRealProxy(mo) is RemoteServicedComponentProxy, "RemotingServices.Unmarshal did not return an RSCP!"); } else // bummer, this will give us back a SCP { mo = (MarshalByRefObject)Marshal.GetObjectForIUnknown(pUnk); DBG.Info(DBG.SC, "ret = " + mo.GetType()); DBG.Info(DBG.SC, "st = " + serverType); DBG.Info(DBG.SC, "rt == sc = " + (mo.GetType() == serverType)); DBG.Info(DBG.SC, "instanceof = " + serverType.IsInstanceOfType(mo)); if (!(serverType.IsInstanceOfType(mo))) { throw new InvalidCastException(Resource.FormatString("ServicedComponentException_UnexpectedType", serverType, mo.GetType())); } rp = RemotingServices.GetRealProxy(mo); if (!(rp is ServicedComponentProxy) && !(rp is RemoteServicedComponentProxy)) { // in cross-appdomain scenario, we get back a RemotingProxy, SetCOMIUnknown has not been made on our server! ServicedComponent sc = (ServicedComponent)mo; sc.DoSetCOMIUnknown(pUnk); } } } } finally { Marshal.Release(pUnk); } } } if (rp is ServicedComponentProxy) { // Here, we tell the server proxy that it needs to filter out // constructor calls: We only need to do this if // the proxy lives in the same context as the caller, // otherwise we'll get an Invoke call and can do the // filtering automagically: ServicedComponentProxy scp = (ServicedComponentProxy)rp; if (scp.HomeToken == Thunk.Proxy.GetCurrentContextToken()) { scp.FilterConstructors(); } } DBG.Assert(mo is ServicedComponent, " CoCI returned an invalid object type"); DBG.Info(DBG.SC, "SCPA.CreateInstance done."); return(mo); }
public override MarshalByRefObject CreateInstance(Type serverType) { RealProxy realProxy = null; MarshalByRefObject transparentProxy = null; ServicedComponentProxy.CleanupQueues(false); if ((RemotingConfiguration.IsWellKnownClientType(serverType) != null) || (RemotingConfiguration.IsRemotelyActivatedClientType(serverType) != null)) { transparentProxy = base.CreateInstance(serverType); realProxy = RemotingServices.GetRealProxy(transparentProxy); } else { bool bIsAnotherProcess = false; string uri = ""; bool flag2 = ServicedComponentInfo.IsTypeEventSource(serverType); IntPtr pUnk = Proxy.CoCreateObject(serverType, !flag2, ref bIsAnotherProcess, ref uri); if (pUnk != IntPtr.Zero) { try { if (flag2) { realProxy = new RemoteServicedComponentProxy(serverType, pUnk, true); transparentProxy = (MarshalByRefObject)realProxy.GetTransparentProxy(); } else { bool flag3 = (RemotingConfiguration.IsWellKnownClientType(serverType) != null) || (null != RemotingConfiguration.IsRemotelyActivatedClientType(serverType)); if (bIsAnotherProcess && !flag3) { FastRSCPObjRef objectRef = new FastRSCPObjRef(pUnk, serverType, uri); transparentProxy = (MarshalByRefObject)RemotingServices.Unmarshal(objectRef); } else { transparentProxy = (MarshalByRefObject)Marshal.GetObjectForIUnknown(pUnk); if (!serverType.IsInstanceOfType(transparentProxy)) { throw new InvalidCastException(Resource.FormatString("ServicedComponentException_UnexpectedType", serverType, transparentProxy.GetType())); } realProxy = RemotingServices.GetRealProxy(transparentProxy); if ((!bIsAnotherProcess && !(realProxy is ServicedComponentProxy)) && !(realProxy is RemoteServicedComponentProxy)) { ((ServicedComponent)transparentProxy).DoSetCOMIUnknown(pUnk); } } } } finally { Marshal.Release(pUnk); } } } if (realProxy is ServicedComponentProxy) { ServicedComponentProxy proxy2 = (ServicedComponentProxy)realProxy; if (proxy2.HomeToken == Proxy.GetCurrentContextToken()) { proxy2.FilterConstructors(); } } return(transparentProxy); }