installationservices/swinstallationfw/source/siftransportrequest.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 14:23:31 +0300
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permissions -rw-r--r--
Revision: 201025 Kit: 2010127
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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* Implements an AsyncRequest object for the SIF Transport library
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*
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*/
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#include <e32base.h>
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#include <e32std.h>
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#include <apgcli.h>
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#include <scs/ipcstream.h>
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#include <scs/nullstream.h>
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#include <scs/cleanuputils.h>
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#include <usif/usiferror.h>
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#include "usiflog.h"
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#include "siftransportserver.h"
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#include "siftransportcommon.h"
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using namespace Usif;
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void CSifTransportRequest::CreateAndExecuteL(TInt aFunction, CSifTransportSession* aSession, TransportTaskFactory::GenerateTask aTaskFactory, const RMessage2& aMessage)
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	{
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	DEBUG_PRINTF2(_L8("CSifTransportRequest::CreateAndExecuteL for aFunction = %d\n"),aFunction);
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	CSifTransportRequest* self = new (ELeave) CSifTransportRequest(aFunction, aSession, aMessage);
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	CleanupStack::PushL(self);
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	// Validate the file handle adoption.
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	TInt err = self->AdoptFileHandle(aFunction, aMessage);
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	if (err != KErrNone)
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		{
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		DEBUG_PRINTF2(_L8("Failed to adopt a file handle from RMessage2, error = %d\n"),err);
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		aMessage.Panic(KSifTransportServerRequestError, err);
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		User::Leave(err);
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		}
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	self->PrepareParamsL();
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	self->SetupRequestL(aTaskFactory);
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	self->TransferToScsFrameworkL();
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	CleanupStack::Pop(self);
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	self->SetActive();
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	self->LaunchTask();
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	}
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// Read file handle from aMessage for all request by file handle.
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TInt CSifTransportRequest::AdoptFileHandle(TInt aFunction, const RMessage2& aMessage)
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	{	
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	if (aFunction & EFileHandleInIpc)
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		{
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		 return (iFile.AdoptFromClient(aMessage, 0, 1));
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		}
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	return KErrNone;
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	}
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CSifTransportRequest::CSifTransportRequest(TInt aFunction, CSifTransportSession* aSession, const RMessage2& aMessage)
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	:	CAsyncRequest(aSession, 0, aMessage), iFunction(aFunction), iSecurityContext(aMessage)
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	// iFile and iSecurityContext above cannot be a local variable because we pass it to SIF plug-ins during asynchronous calls.
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	// Hence, their lifetime must be guaranteed.
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	{
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	if (iFunction & EInstall)
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		{
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		iComponentId = EInvalidComponentId;
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		}
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	// Read component id from aMessage.
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	if (aFunction & EComponentIdInIpc)
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		{
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		iComponentId = aMessage.Int0();
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		}
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	}
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CSifTransportRequest::~CSifTransportRequest()
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	{
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	DEBUG_PRINTF2(_L8("CSifRequest::~CSifRequest() for aFunction = %d\n"),iFunction);
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	Cancel();
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	if (iParams.iFileHandle != NULL)
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		{
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		iParams.iFileHandle->Close();
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		}
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	delete iParams.iFileName;
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	delete iParams.iComponentInfo;
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	delete iParams.iCustomArguments;
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	delete iParams.iCustomResults;
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	delete iTask;
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	}
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void CSifTransportRequest::PrepareParamsL()
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	{
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	DEBUG_PRINTF2(_L8("CSifRequest::PrepareParamsL() for aFunction = %d\n"),iFunction);
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	// Make sure that the buffers for opaque containers are not allocated
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	ASSERT(iParams.iComponentInfo == NULL);
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	ASSERT(iParams.iCustomArguments == NULL);
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	ASSERT(iParams.iCustomResults == NULL);
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	// Read file name from iMessagePtr2
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	if (iFunction & EFileNameInIpc)
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		{
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		// iFileName below cannot be a local variable because we pass it to installation
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parents:
diff changeset
   115
		// requests during asynchronous calls. Hence, the lifetime of it must be guaranteed.
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parents:
diff changeset
   116
		HBufC* fileName = HBufC::NewL(KMaxFileName);
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parents:
diff changeset
   117
		iParams.iFileName = fileName;
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parents:
diff changeset
   118
		TPtr bufFileName(fileName->Des());
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parents:
diff changeset
   119
		iMessagePtr2.ReadL(0, bufFileName);
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   120
		}
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parents:
diff changeset
   121
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parents:
diff changeset
   122
	// Create component info
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parents:
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   123
	if (iFunction & EComponentInfoInIpc)
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parents:
diff changeset
   124
		{
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   125
		iParams.iComponentInfo = CComponentInfo::NewL();
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parents:
diff changeset
   126
		}
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parents:
diff changeset
   127
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parents:
diff changeset
   128
	// Create containers for custom params
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parents:
diff changeset
   129
	if (iFunction & EOpaqueDataToPlugin)
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parents:
diff changeset
   130
		{
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parents:
diff changeset
   131
		// We have to also create these containers for asynchronous requests
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parents:
diff changeset
   132
		// without opaque params. This is because a request API may not
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parents:
diff changeset
   133
		// provide methods without opaque params in order to keep it small.
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parents:
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   134
		iParams.iCustomArguments = COpaqueNamedParams::NewL();
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parents:
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   135
		iParams.iCustomResults = COpaqueNamedParams::NewL();
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parents:
diff changeset
   136
		}
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parents:
diff changeset
   137
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parents:
diff changeset
   138
	// Read custom arguments from iMessagePtr2
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parents:
diff changeset
   139
	if ((iFunction & EOpaqueDataInIpc) && (iFunction & EOpaqueDataToPlugin))
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parents:
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   140
		{
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   141
		RIpcReadStream ipcrstream;
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parents:
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   142
		ipcrstream.Open(iMessagePtr2, 2);
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parents:
diff changeset
   143
		CleanupClosePushL(ipcrstream);
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parents:
diff changeset
   144
		ipcrstream >> const_cast<COpaqueNamedParams&>(*iParams.iCustomArguments);
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parents:
diff changeset
   145
		CleanupStack::PopAndDestroy(&ipcrstream);
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parents:
diff changeset
   146
		}
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parents:
diff changeset
   147
	}
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parents:
diff changeset
   148
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parents:
diff changeset
   149
void CSifTransportRequest::SetupRequestL(TransportTaskFactory::GenerateTask aTaskFactory)
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   150
	{
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diff changeset
   151
	DEBUG_PRINTF2(_L8("CSifTransportRequest::SetupInstallerRequestL() for aFunction = %d\n"),iFunction);
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parents:
diff changeset
   152
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parents:
diff changeset
   153
	iParams.iSecurityContext = &iSecurityContext;
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parents:
diff changeset
   154
	iParams.iRequestStatus = &iStatus;
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parents:
diff changeset
   155
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parents:
diff changeset
   156
	// Instantiate an appropriate SIF Transport Task using aTaskFactory
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parents:
diff changeset
   157
	switch (iFunction)
84a16765cd86 Revision: 201007
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parents:
diff changeset
   158
		{
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parents:
diff changeset
   159
		case EGetComponentInfoByFileName:
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parents:
diff changeset
   160
		case EGetComponentInfoByFileHandle:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
			{
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parents:
diff changeset
   162
			if (iParams.iFileName == NULL)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
				{
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parents:
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   164
				iParams.iFileHandle = &iFile;
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parents:
diff changeset
   165
				}
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parents:
diff changeset
   166
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parents:
diff changeset
   167
			iTask = aTaskFactory(TransportTaskFactory::EGetComponentInfo, iParams);
84a16765cd86 Revision: 201007
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parents:
diff changeset
   168
			break;
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parents:
diff changeset
   169
			}
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parents:
diff changeset
   170
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
		case EInstallByFileName:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
		case EInstallByFileHandle:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
		case EInstallByFileNameWithOpaqueData:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
		case EInstallByFileHandleWithOpaqueData:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
			{
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parents:
diff changeset
   176
			if (iParams.iFileName == NULL)
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
				{
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parents:
diff changeset
   178
				iParams.iFileHandle = &iFile;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
				}
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parents:
diff changeset
   180
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parents:
diff changeset
   181
			iTask = aTaskFactory(TransportTaskFactory::EInstall, iParams);
84a16765cd86 Revision: 201007
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parents:
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   182
			break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
			}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
		case EUninstall:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
		case EUninstallWithOpaqueData:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
			{
84a16765cd86 Revision: 201007
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parents:
diff changeset
   188
			iParams.iComponentId = iComponentId;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
			iTask = aTaskFactory(TransportTaskFactory::EUninstall, iParams);
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
			break;
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
			}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
		case EActivate:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
			{
84a16765cd86 Revision: 201007
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parents:
diff changeset
   195
			iParams.iComponentId = iComponentId;
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parents:
diff changeset
   196
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
			iTask = aTaskFactory(TransportTaskFactory::EActivate, iParams);
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
			break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
			}
84a16765cd86 Revision: 201007
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parents:
diff changeset
   200
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
		case EDeactivate:
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
			{
84a16765cd86 Revision: 201007
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parents:
diff changeset
   203
			iParams.iComponentId = iComponentId;
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
			iTask = aTaskFactory(TransportTaskFactory::EDeactivate, iParams);
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
			break;
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
			}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
		default:
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
			ASSERT(0);
84a16765cd86 Revision: 201007
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parents:
diff changeset
   210
		}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
	}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
void CSifTransportRequest::DoCancel()
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
	{
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
	DEBUG_PRINTF2(_L8("CSifTransportRequest::DoCancel() for aFunction = %d\n"),iFunction);
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
	
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
	ASSERT(iTask != NULL);
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
	iTask->Cancel();
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
	}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
void CSifTransportRequest::DoCleanup()
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
	{
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
	DEBUG_PRINTF2(_L8("CSifTransportRequest::DoCleanup() for aFunction = %d\n"),iFunction);
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
	Cancel();
84a16765cd86 Revision: 201007
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parents:
diff changeset
   226
	}
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
void CSifTransportRequest::ProcessOpaqueResultsL()
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
	{
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
	// Write custom results to iMessagePtr2
84a16765cd86 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
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	RIpcWriteStream ipcwstream;
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	ipcwstream.Open(iMessagePtr2, 3);
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	CleanupClosePushL(ipcwstream);
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	ipcwstream << *iParams.iCustomResults;
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	CleanupStack::PopAndDestroy(&ipcwstream);
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	}
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void CSifTransportRequest::ProcessTaskResultsL()
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	{
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	if (iFunction & EComponentInfoInIpc)
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		{
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		// Write component info to iMessagePtr2
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		RIpcWriteStream ipcwstream;
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		ipcwstream.Open(iMessagePtr2, 2);
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		CleanupClosePushL(ipcwstream);
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		ipcwstream << *iParams.iComponentInfo;
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		CleanupStack::PopAndDestroy(&ipcwstream);
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		}
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	if (iFunction & EOpaqueDataInIpc)
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		{
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		TRAPD(err, ProcessOpaqueResultsL());
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		if (err != KErrNone)
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			{
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			DEBUG_PRINTF3(_L8("CSifRequest::RunL() for aFunction = %d - received error %d while processing opaque results. The error is ignored, since the install operation has already completed"),iFunction, err);
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			}
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		}
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	}
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void CSifTransportRequest::RunL()
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	{
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	DEBUG_PRINTF2(_L8("CSifTransportRequest::RunL() for aFunction = %d\n"),iFunction);
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	if (iTaskComplete)
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		{
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		ProcessTaskResultsL();
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		CAsyncRequest::RunL();
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		}
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	else
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		{
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		SetActive();
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		iTaskComplete = iTask->Execute();
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		}
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	}
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void CSifTransportRequest::LaunchTask()
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	{
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	iTaskComplete = iTask->Execute();
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	}