imgtools/imgcheck/src/sidchecker.cpp
changeset 2 39c28ec933dd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imgcheck/src/sidchecker.cpp	Mon May 10 19:54:49 2010 +0100
@@ -0,0 +1,258 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+* SidChecker class is to 
+* 1. extract all SID's from all executables present in ROM/ROFS sections.
+* 2. Validate them.
+* 3. Put the validated data into Reporter class Instance.
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+#include "sidchecker.h"
+
+/** 
+Constructor.
+
+@internalComponent
+@released
+
+@param aCmdPtr - pointer to an processed CmdLineHandler object
+@param aImageReaderList - List of ImageReader insatance pointers
+*/
+SidChecker::SidChecker(CmdLineHandler* aCmdPtr, ImageReaderPtrList& aImageReaderList)
+:Checker(aCmdPtr, aImageReaderList)
+{
+	iSidAll = (iCmdLine->ReportFlag() & KSidAll) ? true : false;
+	iE32Mode = (iCmdLine->ReportFlag() & KE32Input) ? true : false;
+}
+
+/**
+Destructor
+
+@internalComponent
+@released
+*/
+SidChecker::~SidChecker()
+{
+	iSidVsExeMap.clear();
+}
+
+/**
+Function responsible to Prepare the ROM and ROFS image SID data
+
+@internalComponent
+@released
+
+@param ImgVsExeStatus - Global integrated container which contains image, exes and attribute value status.
+*/
+void SidChecker::Check(ImgVsExeStatus& aImgVsExeStatus)
+{
+	ImageReaderPtrList::iterator begin = iImageReaderList.begin();
+	ImageReaderPtrList::iterator end = iImageReaderList.end();
+
+	ExeVsIdDataMap::iterator exeBegin;
+	ExeVsIdDataMap::iterator exeEnd;
+	ExeVsIdDataMap exeVsIdDataMap;
+	ImageReader* imageReader = KNull;
+	String imageName;
+	while(begin != end)
+	{
+		imageReader = *begin;
+		imageName = imageReader->ImageName();
+		ExceptionReporter(GATHERINGIDDATA, (char*)KSid.c_str(),(char*)imageName.c_str()).Log();
+		imageReader->PrepareExeVsIdMap();
+		
+		exeVsIdDataMap = imageReader->GetExeVsIdMap();
+		exeBegin = exeVsIdDataMap.begin();
+		exeEnd = exeVsIdDataMap.end();
+		if((aImgVsExeStatus[imageName].size() == 0) 
+			|| (aImgVsExeStatus[imageName][exeBegin->first].iIdData == KNull))
+		{
+			while(exeBegin != exeEnd)
+			{
+				if(!iSidAll)
+				{
+					if(ReaderUtil::IsExe(&exeBegin->second->iUid))
+					{
+						iSidVsExeMap.insert(std::make_pair(exeBegin->second->iSid, exeBegin->first));
+					}
+				}
+				else
+				{
+					iSidVsExeMap.insert(std::make_pair(exeBegin->second->iSid, exeBegin->first));
+				}
+ 				aImgVsExeStatus[imageName][exeBegin->first].iIdData = exeBegin->second;
+				aImgVsExeStatus[imageName][exeBegin->first].iExeName = exeBegin->first;
+				++exeBegin;
+			}
+		}
+		++begin;
+	}
+}
+
+/**
+Function responsible to Validate and write the SID data into reporter.
+
+@internalComponent
+@released
+
+@param aExeContainer - Global integrated container which contains all the attribute, values and the status.
+*/
+void SidChecker::PrepareAndWriteData(ExeContainer* aExeContainer)
+{
+	if(!iSidAll)
+	{
+		/**This map is used to find the uniqueness of the SID, instead of traversing through 
+		the iImgVsExeStatus again and again to get all Executables SID*/
+		if(ReaderUtil::IsExe(&aExeContainer->iIdData->iUid))
+		{
+			FillExeAttribute(aExeContainer);
+		}
+	}
+	else
+	{
+		FillExeAttribute(aExeContainer);
+	}
+}
+
+/**
+Function responsible to Validate the executble SID.
+1. If the SID occurence across all the ROM/ROFS sections is one then the status is Unique.
+2. If more than one entry found and those executables Offset in ROM/ROFS section are same 
+then its status is Unique(Alias).
+3. If those Offsets are differnt, then the status is Duplicate.
+
+@internalComponent
+@released
+
+@param aExeContainer - Global integrated container which contains all the attribute, values and the status.
+*/
+void SidChecker::FillExeSidStatus(ExeContainer* aExeContainer)
+{
+	SidVsExeMap::iterator sidIter;
+	unsigned int cnt = iSidVsExeMap.count(aExeContainer->iIdData->iSid);
+	if(cnt > 1) //Is More than one SID exists?
+	{
+		sidIter = iSidVsExeMap.find(aExeContainer->iIdData->iSid);
+		while(cnt > 0)
+		{
+			if( aExeContainer->iExeName != sidIter->second)
+			{
+				aExeContainer->iIdData->iSidStatus = KDuplicate;
+				
+				if(!iE32Mode)
+				{
+					unsigned int offset = GetExecutableOffset(sidIter->second);
+					if(aExeContainer->iIdData->iFileOffset == offset)
+					{
+						aExeContainer->iIdData->iSidStatus = KUniqueAlias;	
+						break;
+					}
+				}
+			}
+			--cnt;
+			++sidIter;
+		}
+	}
+	else
+	{
+		aExeContainer->iIdData->iSidStatus = KUnique;
+	}
+}
+
+/**
+Function to get an executable's Offset location.
+1. Traverse through all the image entries available in the iImgVsExeStatus container.
+2. Get the executable Offset.
+
+@internalComponent
+@released
+
+@param aExeName - Executable's name.
+
+@return - returns 0 upon failure to find the Executable.
+        - otherwise returns the Offset.
+*/
+const unsigned int SidChecker::GetExecutableOffset(const String& aExeName)
+{
+	Reporter* reporter = Reporter::Instance(iCmdLine->ReportFlag());
+	ImgVsExeStatus& aImgVsExeStatus = reporter->GetContainerReference();
+
+	ImgVsExeStatus::iterator imgBegin = aImgVsExeStatus.begin();
+	ImgVsExeStatus::iterator imgEnd = aImgVsExeStatus.end();
+
+	ExeVsMetaData::iterator exeBegin;
+	ExeVsMetaData::iterator exeEnd;
+	
+	while(imgBegin != imgEnd)
+	{
+		ExeVsMetaData& exeVsMetaData = imgBegin->second;
+		exeBegin = exeVsMetaData.begin();
+		exeEnd = exeVsMetaData.end();
+		
+		while(exeBegin != exeEnd)
+		{
+			if(aExeName == (exeBegin->second).iExeName)
+			{
+				return (exeBegin->second).iIdData->iFileOffset;
+			}
+			++exeBegin;
+		}
+		++imgBegin;
+	}
+	return 0;
+}
+
+/**
+Function responsible fill up the exe attribute list
+
+@internalComponent
+@released
+
+@param aExeContainer - Global integrated container which contains all the attribute, values and the status.
+*/
+void SidChecker::FillExeAttribute(ExeContainer* aExeContainer)
+{
+	ExeAttribute* exeAtt = KNull;
+
+	exeAtt = new ExeAttribute;
+	if(!exeAtt)
+	{
+		throw ExceptionReporter(NOMEMORY, __FILE__, __LINE__);
+	}
+
+	exeAtt->iAttName = KSid;
+	exeAtt->iAttValue = Common::IntToString(aExeContainer->iIdData->iSid);
+	if(!iNoCheck)
+	{
+		FillExeSidStatus(aExeContainer);
+		exeAtt->iAttStatus = aExeContainer->iIdData->iSidStatus;
+	}
+	else
+	{
+		exeAtt->iAttStatus = KNull;
+	}
+	if(((iAllExecutables 
+		|| (exeAtt->iAttStatus == KDuplicate)) && !exeAtt->iAttStatus.empty())
+		|| iNoCheck)
+	{
+		aExeContainer->iExeAttList.push_back(exeAtt);
+	}
+}