// Map an interface catalog object (key) to a runtime type (ifc)
public Object FindObject(ICatalogCollection coll, Object key)
{
ICatalogObject ifcObj = (ICatalogObject)key;
Type ifc = null;
ifc = FindInterfaceByID(ifcObj, _type, _ifcs);
if (ifc == null)
{
ifc = FindInterfaceByName(ifcObj, _type, _ifcs);
}
DBG.Assert(ifc != null,
"Unable to find requested interface: \n"
+ "\t" + (String)(ifcObj.Name()) + "\n"
+ "\t" + (String)(ifcObj.Key()));
return(ifc);
}
/// <include file='doc\ResourcePool.uex' path='docs/doc[@for="ResourcePool.PutResource"]/*' />
public bool PutResource(Object resource)
{
ITransactionResourcePool p = null;
IntPtr token = (IntPtr)0;
bool result = false;
try
{
// 1. Get the tx pool.
p = GetResourcePool();
if (p != null)
{
// 2. Reference our pool token.
token = GetToken();
// 3. Stuff object into pool.
DBG.Info(DBG.Pool, "Placing resource in context");
int hr = p.PutResource(token, resource);
if (hr < 0)
{
result = false;
}
else
{
result = true;
}
}
}
finally
{
// If we failed to stick it in, unref it:
if (!result && token != (IntPtr)0)
{
Marshal.Release(token);
}
if (p != null)
{
Marshal.ReleaseComObject(p);
}
}
return(result);
}
public Object FindObject(ICatalogCollection coll, Object key)
{
ICatalogObject methObj = (ICatalogObject)key;
int slot = (int)(methObj.GetValue("Index"));
ComMemberType mtype = ComMemberType.Method;
MemberInfo info = Marshal.GetMethodInfoForComSlot(_type, slot, ref mtype);
DBG.Assert(info != null, "Failed to find method info for COM slot!");
// Now we have the member info, look through the interface
// mapping for this guy:
if (info is PropertyInfo)
{
if (mtype == ComMemberType.PropSet)
{
info = ((PropertyInfo)info).GetSetMethod();
}
else if (mtype == ComMemberType.PropGet)
{
info = ((PropertyInfo)info).GetGetMethod();
}
else
{
DBG.Assert(false, "Illegal ComMemberType returned");
}
}
if (_map.InterfaceMethods != null)
{
for (int i = 0; i < _map.InterfaceMethods.Length; i++)
{
if (_map.InterfaceMethods[i] == info)
{
return(_map.TargetMethods[i]);
}
}
DBG.Assert(false, "Had interface mapping, but found no method.");
}
return(info);
}
// We assume that Set() is called inside the transaction, as soon
// as any write work has been done on the catalog.
internal void Set()
{
try
{
if (!_set && ContextUtil.IsInTransaction)
{
_set = true;
RegistryKey key = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Classes\\CLSID");
_version = (int)(key.GetValue("CLBVersion", 0));
DBG.Info(DBG.Registration, "Old version: " + _version);
}
}
catch (Exception)
{
// We don't need to watch if the key isn't there, or if
// other things failed.
_set = false;
_version = 0;
DBG.Warning(DBG.Registration, "Failed to retreive original catalog version.");
}
}
/// <include file='doc\RegistrationWrappers.uex' path='docs/doc[@for="RegistrationHelper.InstallAssemblyFromConfig"]/*' />
public void InstallAssemblyFromConfig([MarshalAs(UnmanagedType.IUnknown)] ref RegistrationConfig regConfig)
{
// Create a permission object for unmanaged code
SecurityPermission sp = new SecurityPermission(SecurityPermissionFlag.UnmanagedCode);
// demand that the caller have this permission
sp.Demand();
// now that the caller is clean, assert it from now on.
sp.Assert();
Platform.Assert(Platform.W2K, "RegistrationHelper.InstallAssemblyFromConfig");
if (Thread.CurrentThread.ApartmentState == ApartmentState.STA)
{
// HACK: In order to reduce deadlock likelihood, we need to get off
// the current STA (into an MTA) in order to do this work.
// Whip off a new thread...
RegistrationThreadWrapper wrap = new RegistrationThreadWrapper(this, regConfig);
Thread t = new Thread(new ThreadStart(wrap.InstallThread));
t.Start();
t.Join();
wrap.PropInstallResult();
}
else
{
// First, try to do this in a "transacted" manner. This will
// return false if we couldn't start up the transaction,
// true if it succeeded.
// We only do the transacted install if we're on win2k or higher,
// cause MTS is all in the registry.
if (Platform.IsLessThan(Platform.W2K) || !TryTransactedInstall(regConfig))
{
// We need to try a non-transacted install:
DBG.Info(DBG.Registration, "Failed to do a transacted install. Using non-tx install.");
RegistrationDriver helper = new RegistrationDriver();
helper.InstallAssembly(regConfig, null);
}
}
}
/// <include file='doc\RegistrationWrappers.uex' path='docs/doc[@for="RegistrationHelperTx.UninstallAssemblyFromConfig"]/*' />
public void UninstallAssemblyFromConfig([MarshalAs(UnmanagedType.IUnknown)] ref RegistrationConfig regConfig, Object sync)
{
bool succeed = false;
try
{
DBG.Assert(ContextUtil.IsInTransaction,
"Running in transactional helper w/o transaction will deadlock!");
RegistrationDriver helper = new RegistrationDriver();
helper.UninstallAssembly(regConfig, sync);
ContextUtil.SetComplete();
succeed = true;
}
finally
{
if (!succeed)
{
DBG.Info(DBG.Registration, "Uninstall failed.");
ContextUtil.SetAbort();
}
}
}
bool IConfigurationAttribute.AfterSaveChanges(Hashtable cache)
{
String target = (String)(cache["CurrentTarget"]);
// Now that the component itself is configured, we go and add
// roles to the sub-collection. (This ensures that all the
// component logic that hits sub-collections gets run first.
if (target == "Component")
{
Platform.Assert(Platform.MTS, "SecurityRoleAttribute");
// Pull out the RolesForComponent collection, add the name of
// the desired role to that collection.
AddRoleFor("Component", cache);
}
else if (target == "Method")
{
Platform.Assert(Platform.W2K, "SecurityRoleAttribute");
// Pull out the RolesForMethod collection, add the name of
// the desired role to that collection.
AddRoleFor("Method", cache);
}
else if (target == "Interface")
{
AddRoleFor("Interface", cache);
}
else if (target == "Application")
{
// We don't actually need to do anything for application,
// as we have already verified that the role exists.
}
else
{
// We got called on a target we don't know about, which
// shouldn't ever happen.
DBG.Assert(false, "Invalid target for RoleAttribute");
}
return(true);
}
// helper to implement RemoteDispatch methods
private String RemoteDispatchHelper(String s, out bool failed)
{
if (_denyRemoteDispatch)
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
IMessage reqMsg = ComponentServices.ConvertToMessage(s, this);
// Check to see if the method is marked as secure on the
// server side: If so, we need to kick it back to the caller,
// cause they called us incorrectly. Also verify the method
// is not private, internal, or static.
CheckMethodAccess(reqMsg);
RealProxy rp = RemotingServices.GetRealProxy(this);
DBG.Assert(rp != null, "Null RP in Invoke helper");
IMessage retMsg = rp.Invoke(reqMsg);
// Check for failures:
IMethodReturnMessage mrm = retMsg as IMethodReturnMessage;
if (mrm != null && mrm.Exception != null)
{
failed = true;
}
else
{
failed = false;
}
String sret = ComponentServices.ConvertToString(retMsg);
return(sret);
}
/// <include file='doc\ResourcePool.uex' path='docs/doc[@for="ResourcePool.GetResource"]/*' />
public Object GetResource()
{
Object resource = null;
ITransactionResourcePool p = null;
IntPtr token = (IntPtr)0;
try
{
// 0. Get our token:
token = GetToken();
// 1. Get the tx pool.
p = GetResourcePool();
if (p != null)
{
// 2. Try to get object out of pool.
DBG.Info(DBG.Pool, "Retrieving resource in context");
int hr = p.GetResource(token, out resource);
// 3. If succeeded, unreference the token.
if (hr >= 0)
{
Marshal.Release(token);
}
}
}
finally
{
if (token != ((IntPtr)0))
{
Marshal.Release(token);
}
if (p != null)
{
Marshal.ReleaseComObject(p);
}
}
return(resource);
}
internal static Object GetFeatureData(PlatformFeature feature)
{
Object value = FindFeatureData(feature);
if (value != null)
{
return(value);
}
switch (feature)
{
case PlatformFeature.SWC:
value = Thunk.SWCThunk.IsSWCSupported();
break;
default:
DBG.Assert(false, "Unknown feature");
return(null);
}
SetFeatureData(feature, value);
return(value);
}
/// <include file='doc\ServicedComponent.uex' path='docs/doc[@for="ServicedComponent.IManagedObject.GetObjectIdentity"]/*' />
/// <internalonly/>
void IManagedObject.GetObjectIdentity(ref String s, ref int AppDomainID, ref int ccw)
{
DBG.Assert(false, "IManagedObject.GetObjectIdentity should never be called.");
throw new NotSupportedException("IManagedObject.GetObjectIdentity");
}
// Some dummy empty methods for IManagedObject.
// These should never be called, this is just here to ensure that
// IManagedObject gets stuck in the type library.
/// <include file='doc\ServicedComponent.uex' path='docs/doc[@for="ServicedComponent.IManagedObject.GetSerializedBuffer"]/*' />
/// <internalonly/>
void IManagedObject.GetSerializedBuffer(ref String s)
{
DBG.Assert(false, "IManagedObject.GetSerializedBuffer should never be called.");
throw new NotSupportedException("IManagedObject.GetSerializedBuffer");
}
/// <include file='doc\ServicedComponent.uex' path='docs/doc[@for="ServicedComponent.Dispose1"]/*' />
protected virtual void Dispose(bool disposing)
{
DBG.Info(DBG.SC, "ServicedComponent.Dispose(" + disposing + ")");
}
// implementation of IDisposable
/// <include file='doc\ServicedComponent.uex' path='docs/doc[@for="ServicedComponent.Dispose"]/*' />
public void Dispose()
{
DBG.Info(DBG.SC, "Dispose(): calling DisposeObject.");
DisposeObject(this);
}
public static MemberInfo ConvertToClassMI(Type t, MemberInfo mi)
{
// get reflected type
Type reflectType = mi.ReflectedType;
if (!reflectType.IsInterface)
{
return(mi);
}
// First, try to hit the cache. We look for the cache entry
// for this type, and it should be a little cache-table
// of it's own. In that cache-table, we
Cachetable subcache = (Cachetable)Cache.Get(t);
if (subcache != null)
{
MemberInfo cmi = (MemberInfo)subcache.Get(mi);
if (cmi != null)
{
return(cmi);
}
}
DBG.Assert(t != null, "class type is null");
DBG.Assert(!t.IsInterface, " class type is actually an interface");
MethodInfo minfo = (MethodInfo)mi;
MethodInfo clsMethodInfo = null;
// minfo is an interface member info, map it to class memeber info
// get the interface map
DBG.Info(DBG.SC, "ReflectionCache: Looking up " + reflectType + " on " + t);
InterfaceMapping imap = t.GetInterfaceMap(reflectType);
if (imap.TargetMethods == null)
{
throw new InvalidCastException();
}
for (int i = 0; i < imap.TargetMethods.Length; i++)
{
if (imap.InterfaceMethods[i] == minfo)
{
clsMethodInfo = imap.TargetMethods[i];
break;
}
}
DBG.Assert(clsMethodInfo != null, "Failed to map interface method to class method");
DBG.Assert(!clsMethodInfo.ReflectedType.IsInterface,
"Failed to map interface method to class method");
// Store the result in the cache:
if (subcache == null)
{
subcache = (Cachetable)Cache.Set(t, new Cachetable());
}
subcache.Reset(mi, clsMethodInfo);
return((MemberInfo)clsMethodInfo);
}
static Perf()
{
bool r = Util.QueryPerformanceFrequency(out _freq);
DBG.Assert(r, "Hardware does not support perf counter!");
}
void IObjPool.PutDeactivated(Object p)
{
DBG.Assert(false, "ComExposedPool: This shouldn't be called");
throw new NotSupportedException();
}
internal static void UninstallUtilityApplication(Type t)
{
DBG.Info(DBG.Registration, "Starting utility uninstallation:");
try
{
if (Platform.IsLessThan(Platform.W2K))
{
return;
}
ICatalog cat = null;
ICatalogCollection apps = null;
ICatalogObject app = null;
int appidx = 0;
cat = (ICatalog)(new xCatalog());
if (!Platform.IsLessThan(Platform.Whistler))
{
// AS/URT 97116: Keep this from failing the install if
// we're on a Beta2 Whistler machine, which has a different
// GUID for ICatalog2.
ICatalog2 cat2 = cat as ICatalog2;
if (cat2 != null)
{
cat2.CurrentPartition(cat2.GlobalPartitionID());
}
}
apps = (ICatalogCollection)(cat.GetCollection("Applications"));
RegistrationDriver.Populate(apps);
app = FindApplication(apps, _appid, ref appidx);
if (app != null)
{
// Make sure that we can change this puppy:
app.SetValue("Changeable", true);
app.SetValue("Deleteable", true);
apps.SaveChanges();
DBG.Info(DBG.Registration, "Found application!");
int idx = 0, compcount = 0;
Guid clsid = Marshal.GenerateGuidForType(typeof(RegistrationHelperTx));
ICatalogCollection comps = (ICatalogCollection)(apps.GetCollection("Components", app.Key()));
ICatalogObject comp = FindComponent(comps, clsid, ref idx);
// Store count here, if it is 1, we can delete the app later.
compcount = comps.Count();
if (comp != null)
{
DBG.Info(DBG.Registration, "Found component at " + idx);
comps.Remove(idx);
comps.SaveChanges();
}
if (comp != null && compcount == 1)
{
DBG.Info(DBG.Registration, "Removing .NET Utilities application.");
// we removed the last component, kill the app
apps.Remove(appidx);
apps.SaveChanges();
}
else
{
// Make sure that we can't change the app:
app.SetValue("Changeable", false);
app.SetValue("Deleteable", false);
apps.SaveChanges();
}
}
}
catch (Exception e)
{
// Log a failure in some acceptable manner.
try
{
EventLog appLog = new EventLog();
appLog.Source = "System.EnterpriseServices";
String errMsg = String.Format(Resource.FormatString("Reg_ErrUninstSysEnt"), e);
appLog.WriteEntry(errMsg, EventLogEntryType.Error);
}
catch
{}
// We threw an exception? What do we do here?
//DBG.Assert(false,
// "Installation of System.EnterpriseServices threw an exception!",
// "Exception: " + e);
DBG.Info(DBG.Registration, "Caught exception: " + e);
}
}
/// <include file='doc\RegistrationWrappers.uex' path='docs/doc[@for="RegistrationHelperTx.Deactivate"]/*' />
protected internal override void Deactivate()
{
DBG.Info(DBG.Registration, "TxHelper: Deactivate()");
}
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);
}
MarshalByRefObject ICustomFactory.CreateInstance(Type serverType)
{
// Platform.Assert(Platform.W2K, "ServicedComponent");
DBG.Info(DBG.SC, "SCPA.CreateInstance(" + serverType + ") for unmanaged request");
DBG.Assert(ServicedComponentInfo.IsTypeServicedComponent(serverType),
"unconfigured type passed to ICustomFactory.CreateInstance");
RealProxy rp = null;
// The reason we don't want to cleanup GIT cookies from inside here (passing false) is
// because we will already be in a new context, and RevokeInterfaceFromGlobal will be very expensive
// (like 5x), as it needs to switch context. A more appropriate place to do this is in the managed CreateInstance
// before we even call CoCreateInstance
ServicedComponentProxy.CleanupQueues(false);
int iSCInfo = ServicedComponentInfo.SCICachedLookup(serverType);
bool fIsTypeJITActivated = (iSCInfo & ServicedComponentInfo.SCI_JIT) != 0;
bool fIsTypePooled = (iSCInfo & ServicedComponentInfo.SCI_OBJECTPOOLED) != 0;
bool fAreMethodsSecure = (iSCInfo & ServicedComponentInfo.SCI_METHODSSECURE) != 0;
if (fIsTypeJITActivated)
{
// NOTE: If the component is JIT activated, we may be trying
// to connect a new backing object to an existing TP held
// by a managed client. So we look in our handy table
// to see if there is a component registered for this context.
// Because it is JIT activated, COM+ ensures that it will
// have been the distinguished object in this context.
IntPtr token = Thunk.Proxy.GetCurrentContextToken();
DBG.Info(DBG.SC, "SCPA.CreateInstance looking for JIT object in IdentityTable. token=" + token);
Object otp = IdentityTable.FindObject(token);
if (otp != null)
{
DBG.Info(DBG.SC, "SCPA.CreateInstance found JIT object in IdentityTable.");
rp = RemotingServices.GetRealProxy(otp);
DBG.Assert(rp is ServicedComponentProxy, "Cached something that wasn't a serviced component proxy in the ID table!");
DBG.Assert(rp != null, " GetTransparentProxy.. real proxy is null");
DBG.Assert(serverType == rp.GetProxiedType(), "Invalid type found in Deactivated list");
}
}
if (rp == null)
{
DBG.Info(DBG.SC, "SCPA.CreateInstance creating new SCP fJIT=" + fIsTypeJITActivated + " fPooled=" + fIsTypePooled + " fMethodsSecure=" + fAreMethodsSecure);
rp = new ServicedComponentProxy(serverType, fIsTypeJITActivated, fIsTypePooled, fAreMethodsSecure, true);
}
else if (rp is ServicedComponentProxy)
{
ServicedComponentProxy scp = (ServicedComponentProxy)rp;
scp.ConstructServer();
}
MarshalByRefObject mo = (MarshalByRefObject)rp.GetTransparentProxy();
DBG.Assert(mo != null, " GetTransparentProxy returned NULL");
DBG.Info(DBG.SC, "SCPA.ICustomFactory.CreateInstance done.");
return(mo);
}
protected ServicedComponentMarshaler(SerializationInfo info, StreamingContext context)
: base(info, context)
{
byte[] buffer = null;
Type servertype = null;
bool bFoundFIsMarshalled = false;
DBG.Info(DBG.SC, "SCM: construct");
ComponentServices.InitializeRemotingChannels();
SerializationInfoEnumerator e = info.GetEnumerator();
while (e.MoveNext())
{
DBG.Info(DBG.SC, "SCM: ctor: name = " + e.Name + " value = " + e.Value);
if (e.Name.Equals("servertype"))
{
servertype = (Type)e.Value;
}
else if (e.Name.Equals("dcomInfo"))
{
buffer = (byte[])e.Value;
}
else if (e.Name.Equals("fIsMarshalled"))
{
int value = 0;
Object o = e.Value;
if (o.GetType() == typeof(String))
{
value = ((IConvertible)o).ToInt32(null);
}
else
{
value = (int)o;
}
if (value == 0)
{
bFoundFIsMarshalled = true;
}
}
}
if (!bFoundFIsMarshalled)
{
DBG.Info(DBG.SC, "SCM: ctor: didn't find fIsMarshalled.");
_marshalled = true;
}
_um = new SCUnMarshaler(servertype, buffer);
_rt = servertype;
if (IsFromThisProcess() && !ServicedComponentInfo.IsTypeEventSource(servertype))
{
_rp = RemotingServices.GetRealProxy(base.GetRealObject(context));
}
else
{
DBG.Assert(servertype != null, "SCM: server type is null during marshal.");
if (ServicedComponentInfo.IsTypeEventSource(servertype))
{
TypeInfo = (IRemotingTypeInfo) new SCMTypeName(servertype);
}
Object otp = base.GetRealObject(context);
_rp = RemotingServices.GetRealProxy(otp);
}
// cleanup the buffer, in case we found an existing rp
_um.Dispose();
}
public override ObjRef CreateObjRef(Type requestedType)
{
DBG.Info(DBG.SC, "RSCP: CreateObjRef, creating SCM of type " + requestedType);
return(new ServicedComponentMarshaler((MarshalByRefObject)GetTransparentProxy(), requestedType));
}
// Implement Invoke
public override IMessage Invoke(IMessage reqMsg)
{
AssertValid();
IMessage retMsg = null;
// CHECK FOR CTOR
if (reqMsg is IConstructionCallMessage)
{
DBG.Info(DBG.SC, "RSCP: Short circuiting constructor call.");
if (((IConstructionCallMessage)reqMsg).ArgCount > 0)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_ConstructorArguments"));
}
// WE don't need dispatch the constructor message, the default .ctor is called
// by CoCI
// Create the return message
MarshalByRefObject retObj = (MarshalByRefObject)GetTransparentProxy();
return(EnterpriseServicesHelper.CreateConstructionReturnMessage((IConstructionCallMessage)reqMsg, retObj));
}
// NON CTOR MESSAGE
MethodBase mb = ((IMethodMessage)reqMsg).MethodBase;
MemberInfo m = (MemberInfo)mb;
DBG.Assert(m != null, "member info should not be null");
if (mb == _getTypeMethod)
{
DBG.Info(DBG.SC, "RSCP: Hijacking call to GetType");
IMethodCallMessage mcm = (IMethodCallMessage)reqMsg;
return(new ReturnMessage(ProxiedType, null, 0, mcm.LogicalCallContext, mcm));
}
if (mb == _getHashCodeMethod)
{
int hashCode = this.GetHashCode();
DBG.Info(DBG.SC, "RSCP: Hijacking call to GetHashCode, returning " + hashCode);
IMethodCallMessage mcm = (IMethodCallMessage)reqMsg;
return(new ReturnMessage(hashCode, null, 0, mcm.LogicalCallContext, mcm));
}
DBG.Info(DBG.SC, "RSCP: Delivering call to " + mb.Name);
// convert to class member info
MemberInfo clsMemInfo = ReflectionCache.ConvertToClassMI(ProxiedType, m);
DBG.Assert(!clsMemInfo.ReflectedType.IsInterface,
"Failed to convert interface member info to class member info");
// dispatch the call
#if _DEBUG
if (clsMemInfo != m)
{
DBG.Info(DBG.SC, "RSCP: converted interface to class call: " + clsMemInfo.Name);
}
#endif
try
{
int iMethodInfo;
// check for rolebased security
if (_fUseIntfDispatch ||
(((iMethodInfo = ServicedComponentInfo.MICachedLookup(clsMemInfo)) & ServicedComponentInfo.MI_HASSPECIALATTRIBUTES) != 0) ||
((iMethodInfo & ServicedComponentInfo.MI_EXECUTEMESSAGEVALID) != 0)
)
{
// role based security implies we dispatch through an interface
MemberInfo intfMemInfo = ReflectionCache.ConvertToInterfaceMI(m);
if (intfMemInfo == null)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
//retMsg = EnterpriseServicesHelper.DispatchRemoteCall(reqMsg, intfMemInfo, _server);
MethodCallMessageWrapperEx msgex = new MethodCallMessageWrapperEx((IMethodCallMessage)reqMsg, (MethodBase)intfMemInfo);
retMsg = RemotingServices.ExecuteMessage((MarshalByRefObject)_server, (IMethodCallMessage)msgex);
}
else
{
// check for AutoDone
bool fAutoDone = (iMethodInfo & ServicedComponentInfo.MI_AUTODONE) != 0;
String s = ComponentServices.ConvertToString(reqMsg);
IRemoteDispatch iremDisp = (IRemoteDispatch)_server;
String sret;
if (fAutoDone)
{
sret = iremDisp.RemoteDispatchAutoDone(s);
}
else
{
sret = iremDisp.RemoteDispatchNotAutoDone(s);
}
retMsg = ComponentServices.ConvertToReturnMessage(sret, reqMsg);
}
}
catch (COMException e)
{
if (!(e.ErrorCode == Util.CONTEXT_E_ABORTED || e.ErrorCode == Util.CONTEXT_E_ABORTING))
{
throw;
}
if (IsDisposeRequest(reqMsg))
{
IMethodCallMessage mcm = reqMsg as IMethodCallMessage;
retMsg = new ReturnMessage(null, null, 0, mcm.LogicalCallContext, mcm);
}
else
{
throw;
}
}
// if disposing, we need to release this side of the world.
if (IsDisposeRequest(reqMsg))
{
Dispose(true);
}
return(retMsg);
}
void IObjPool.Shutdown()
{
DBG.Assert(false, "ComExposedPool: This shouldn't be called");
throw new NotSupportedException();
}
internal static void InstallUtilityApplication(Type t)
{
DBG.Info(DBG.Registration, "Starting utility installation:");
try
{
if (Platform.IsLessThan(Platform.W2K))
{
return;
}
ICatalog cat = null;
ICatalogCollection apps = null;
ICatalogObject app = null;
int junk = 0;
cat = (ICatalog)(new xCatalog());
if (!Platform.IsLessThan(Platform.Whistler))
{
// AS/URT 97116: Keep this from failing the install if
// we're on a Beta2 Whistler machine, which has a different
// GUID for ICatalog2.
ICatalog2 cat2 = cat as ICatalog2;
if (cat2 != null)
{
cat2.CurrentPartition(cat2.GlobalPartitionID());
}
}
apps = (ICatalogCollection)(cat.GetCollection("Applications"));
RegistrationDriver.Populate(apps);
app = FindApplication(apps, _appid, ref junk);
if (app == null)
{
DBG.Info(DBG.Registration, "Didn't find existing application...");
app = (ICatalogObject)(apps.Add());
app.SetValue("Name", _appname);
app.SetValue("Activation", ActivationOption.Library);
app.SetValue("ID", "{" + _appid.ToString() + "}");
if (!Platform.IsLessThan(Platform.Whistler))
{
// AS/URT 97116: Keep this from failing the install if
// we're on a Beta2 Whistler machine, which has no Replicable property.
try
{
app.SetValue("Replicable", 0);
}
catch (Exception) {}
}
apps.SaveChanges();
}
else
{
// Make sure that we can change this puppy:
app.SetValue("Changeable", true);
app.SetValue("Deleteable", true);
apps.SaveChanges();
app.SetValue("Name", _appname);
if (!Platform.IsLessThan(Platform.Whistler))
{
// AS/URT 97116: Keep this from failing the install if
// we're on a Beta2 Whistler machine, which has no Replicable property.
try
{
app.SetValue("Replicable", 0);
}
catch (Exception) {}
}
apps.SaveChanges();
}
// Import ourselves into the application:
Guid clsid = Marshal.GenerateGuidForType(typeof(RegistrationHelperTx));
ICatalogCollection comps = (ICatalogCollection)(apps.GetCollection("Components", app.Key()));
ICatalogObject comp = FindComponent(comps, clsid, ref junk);
if (comp == null)
{
cat.ImportComponent("{" + _appid + "}", "{" + clsid + "}");
comps = (ICatalogCollection)(apps.GetCollection("Components", app.Key()));
comp = FindComponent(comps, clsid, ref junk);
}
DBG.Assert(comp != null, "Couldn't find imported component!");
ConfigureComponent(comps, comp);
// And finally, lock this guy down:
app.SetValue("Changeable", false);
app.SetValue("Deleteable", false);
apps.SaveChanges();
DBG.Info(DBG.Registration, "Registering Proxy/Stub dlls:");
Thunk.Proxy.RegisterProxyStub();
// HACK
// This is a HACK to get Windows XP Client COM+ export/import functionallity to work.
// Export code will try to export System.EnterpriseServices.Thunk.dll because its not in it's
// list of non-redist dlls.
// We should get rid of this once this name is in the harcoded list in the export code.
RegistryPermission rp = new RegistryPermission(PermissionState.Unrestricted);
rp.Demand();
rp.Assert();
RegistryKey rk = Registry.LocalMachine.CreateSubKey("SOFTWARE\\MICROSOFT\\OLE\\NONREDIST");
rk.SetValue("System.EnterpriseServices.Thunk.dll", "");
rk.Close();
// END HACK
}
catch (Exception e)
{
// Log a failure in some acceptable manner.
try
{
EventLog appLog = new EventLog();
appLog.Source = "System.EnterpriseServices";
String errMsg = String.Format(Resource.FormatString("Reg_ErrInstSysEnt"), e);
appLog.WriteEntry(errMsg, EventLogEntryType.Error);
}
catch
{}
// We threw an exception? What do we do here?
//DBG.Assert(false,
// "Installation of System.EnterpriseServices threw an exception!",
// "Exception: " + e);
}
}
// We cache this by mapping MemberInfo to MemberInfo in our
// cache. Note that because assemblies can never be unloaded,
// there's no reason to flush this cache (we won't be holding
// anything alive longer than it would have been alive anyway.
public static MemberInfo ConvertToInterfaceMI(MemberInfo mi)
{
// First, try to hit the cache:
MemberInfo cmi = (MemberInfo)Cache.Get(mi);
if (cmi != null)
{
return(cmi);
}
// Failed to hit the cache, do the lookup.
// TODO: clean this up a bit.
// TODO: Deal with non-methodInfo objects (work off MethodBase)
MethodInfo minfo = mi as MethodInfo;
if (minfo == null)
{
return(null);
}
MethodInfo intfMethodInfo = null;
// check for AutoDone
Type reflectType = minfo.ReflectedType;
if (reflectType.IsInterface)
{
intfMethodInfo = minfo;
}
else
{
// get all the interfaces implemented by the class
Type[] rgInterfaces = reflectType.GetInterfaces();
if (rgInterfaces == null)
{
return(null);
}
// iterate through all the interfaces
for (int ii = 0; ii < rgInterfaces.Length; ii++)
{
// get interface mapping for each interface
InterfaceMapping imap = reflectType.GetInterfaceMap(rgInterfaces[ii]);
if (imap.TargetMethods == null)
{
continue;
}
// check if a class method in this inteface map matches
for (int j = 0; j < imap.TargetMethods.Length; j++)
{
// see if the class method matches
if (imap.TargetMethods[j] == minfo)
{
// grab the interface method
intfMethodInfo = imap.InterfaceMethods[j];
break;
}
}
if (intfMethodInfo != null)
{
break;
}
}
}
DBG.Assert(intfMethodInfo == null ||
intfMethodInfo.ReflectedType.IsInterface,
"Failed to map class method to interface method");
Cache.Reset(mi, intfMethodInfo);
return((MemberInfo)intfMethodInfo);
}