diff -r 000000000000 -r 8e480a14352b messagingfw/msgsrvnstore/server/src/MTCLREG.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/messagingfw/msgsrvnstore/server/src/MTCLREG.CPP Mon Jan 18 20:36:02 2010 +0200 @@ -0,0 +1,105 @@ +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// MTCLREG.H +// +// + +#include +#include "MSVRUIDS.H" +#include "MSVAPI.H" +#include "MTCLBASE.H" +#include "MTCLREG.H" +#include "MSVPANIC.H" + +EXPORT_C CClientMtmRegistry* CClientMtmRegistry::NewL(CMsvSession& aMsvSession,TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32) +/** Gets a CClientMtmRegistry object. The client should delete this object when +it is no longer required. + +The registry keeps a reference count of the number of instances of each MTM +in use. When that reference count falls to zero, the DLL that provides the +MTM is unloaded. However, this is not done immediately, but only after the +time specified in aTimeoutMicroSeconds32. This increases efficiency in cases +where the DLL is required again shortly. + +@param aMsvSession The client's Message Server session +@param aTimeoutMicroSeconds32 Time to wait before unloading MTM DLLs +@leave KErrNoMemory A memory allocation failed +@return A pointer to a newly allocated and initialised object */ + { + CClientMtmRegistry* self = new (ELeave) CClientMtmRegistry(aMsvSession,aTimeoutMicroSeconds32); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(); + return self; + } + + +void CClientMtmRegistry::ConstructL() + { + CObserverRegistry::ConstructL(); + } + + +/** Destructor. +*/ +EXPORT_C CClientMtmRegistry::~CClientMtmRegistry() + {} + + +EXPORT_C CBaseMtm* CClientMtmRegistry::NewMtmL(TUid aMtmTypeUid) +/** Creates a Client-side MTM object for the specified MTM UID. + +The client should delete the returned object when it is no longer required. + +@param aMtmTypeUid UID of MTM to obtain +@leave KErrNotFound aMtmTypeUid does not specify a registered MTM +@leave KErrNoMemory A memory allocation failed +@leave KErrBadLibraryEntryPoint Malformed MTM: a library entry point was not +of the required type +@leave DLL loading error codes The DLL that provides the MTM cannot be loaded +@return Client-side MTM object for specified MTM */ + { + if(!IsPresent(aMtmTypeUid)) + User::Leave(KErrNotFound); + TInt index=MtmTypeUidToIndex(aMtmTypeUid); + CRegisteredMtmDll* registeredmtmdll=iRegisteredMtmDllArray[index]; + RLibrary lib; + User::LeaveIfError(registeredmtmdll->GetLibrary(iFs,lib)); + + CBaseMtm* newMtm = NULL; + TInt refcount=registeredmtmdll->MtmDllRefCount(); + TRAPD(ret, newMtm = DoNewMtmL(lib, *registeredmtmdll)); + + if ((ret!=KErrNone) && (registeredmtmdll->MtmDllRefCount()==refcount)) // Library not released in mtm destructor + registeredmtmdll->ReleaseLibrary(); + User::LeaveIfError(ret); + + return newMtm; + } + +CBaseMtm* CClientMtmRegistry::DoNewMtmL(const RLibrary& aLib, CRegisteredMtmDll& aReg) const + { + TLibraryFunction libFunc = aLib.Lookup(aReg.MtmDllInfo().iEntryPointOrdinalNumber); + if (!libFunc) + User::Leave(KErrBadLibraryEntryPoint); + + MtmFactoryFunctionL* pFunc = (MtmFactoryFunctionL*) libFunc; + return (*pFunc)(aReg, iMsvSession); + } + +CClientMtmRegistry::CClientMtmRegistry(CMsvSession& aMsvSession, TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32) + : CObserverRegistry(aMsvSession, KUidMtmClientComponent, aTimeoutMicroSeconds32) + {} + +