os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/pluginallocator.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/pluginallocator.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,137 @@
1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +
1.20 +#include "pluginallocator.h"
1.21 +#include "uloggeroutputplugin.h"
1.22 +#include <e32cmn.h>
1.23 +#include <ecom/ecom.h>
1.24 +
1.25 +namespace Ulogger
1.26 +{
1.27 +
1.28 +/*!Default constructor.
1.29 +*/
1.30 +CPluginAllocator::CPluginAllocator()
1.31 + {
1.32 + iOutputPluginBase = NULL;
1.33 + iInputPluginBase = NULL;
1.34 + }
1.35 +
1.36 +
1.37 +/*!Destructor.
1.38 +*/
1.39 +EXPORT_C CPluginAllocator::~CPluginAllocator()
1.40 + {
1.41 + if(iOutputPluginBase)
1.42 + {
1.43 + delete iOutputPluginBase;
1.44 + iOutputPluginBase = NULL;
1.45 + }
1.46 + iOutputLib.Close();
1.47 +
1.48 + if((iOutputLibName.Compare(iInputLibName)!=0) && iInputPluginBase)
1.49 + {
1.50 + delete iInputPluginBase;
1.51 + iInputPluginBase = NULL;
1.52 + }
1.53 + iInputLib.Close();
1.54 +
1.55 + REComSession::FinalClose();
1.56 + }
1.57 +
1.58 +
1.59 +/*!Standard Symbian OS construction method which leaves object on CleanupStack.
1.60 +*/
1.61 +EXPORT_C CPluginAllocator* CPluginAllocator::NewLC(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
1.62 + {
1.63 + CPluginAllocator* obj = new (ELeave) CPluginAllocator();
1.64 + CleanupStack::PushL(obj);
1.65 + obj->ConstructL(aOutputPluginName, aInputPluginName);
1.66 + return obj;
1.67 + }
1.68 +
1.69 +
1.70 +/*!Standard Symbian OS construction method which does not leaves object on CleanupStack.
1.71 +*/
1.72 +EXPORT_C CPluginAllocator* CPluginAllocator::NewL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
1.73 + {
1.74 + CPluginAllocator* obj = CPluginAllocator::NewLC(aOutputPluginName, aInputPluginName);
1.75 + CleanupStack::Pop(); //obj
1.76 + return obj;
1.77 + }
1.78 +
1.79 +
1.80 +/*!Standard Symbian OS construction method.
1.81 +*/
1.82 +EXPORT_C void CPluginAllocator::ConstructL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
1.83 + {
1.84 + //create output and control channels
1.85 + User::LeaveIfError(this->CreateChannelsL(aOutputPluginName, aInputPluginName));
1.86 + }
1.87 +
1.88 +/*!This function create Output channel according to aOutputSettings.
1.89 +*/
1.90 +TInt CPluginAllocator::CreateChannelsL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
1.91 + {
1.92 + TInt retVal = KErrNone;
1.93 +
1.94 + iOutputLibName.Copy(aOutputPluginName);
1.95 + iInputLibName.Copy(aInputPluginName);
1.96 +
1.97 + //create output plugin
1.98 + iOutputPluginBase = (CPlugin*)(CPlugin::NewL(aOutputPluginName));
1.99 +
1.100 + //create control plugin
1.101 + if(iOutputLibName.Compare(iInputLibName) == 0)
1.102 + {
1.103 + //share implementation
1.104 + if(aInputPluginName.Length()>0)
1.105 + iInputPluginBase = iOutputPluginBase;
1.106 + }
1.107 + else
1.108 + {
1.109 + //create new instance of control plugin
1.110 + //ulogger can work without control plugin as this is optional functionality
1.111 + if(aInputPluginName.Length()>0)
1.112 + iInputPluginBase = (CPlugin*)(CPlugin::NewL(aInputPluginName));
1.113 + }
1.114 +
1.115 + return retVal;
1.116 + }
1.117 +
1.118 +
1.119 +EXPORT_C MOutputPlugin* CPluginAllocator::GetOutputPlugin()
1.120 + {
1.121 + if(iOutputPluginBase)
1.122 + return (MOutputPlugin*)iOutputPluginBase->GetInterfaceL(MOutputPlugin::iInterfaceId);
1.123 + else
1.124 + return NULL;
1.125 + }
1.126 +
1.127 +EXPORT_C MInputPlugin* CPluginAllocator::GetInputPlugin()
1.128 + {
1.129 + if(iInputPluginBase)
1.130 + return (MInputPlugin*)iInputPluginBase->GetInterfaceL(MInputPlugin::iInterfaceId);
1.131 + else
1.132 + return NULL;
1.133 + }
1.134 +
1.135 +EXPORT_C void CPluginAllocator::ListAllImplementationsL(RImplInfoPtrArray& aImplInfoArray)
1.136 + {
1.137 + REComSession::ListImplementationsL(KCPluginUid, aImplInfoArray);
1.138 + }
1.139 +
1.140 +} //</namespace Ulogger>