imgtools/romtools/rofsbuild/r_driveimage.cpp
author kelvzhu
Wed, 27 Oct 2010 16:03:51 +0800
changeset 662 60be34e1b006
parent 617 3a747a240983
permissions -rw-r--r--
Merge
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/*
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* Copyright (c) 2006-2009 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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* @internalComponent * @released
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* Driveimage class implementation.
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*
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*/
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#include <stdlib.h>
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#include <string>
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#include "fsnode.h"
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#include "fatimagegenerator.h"
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#include <boost/filesystem.hpp>
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#include <stack>
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#include <utility>
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#include <new>
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using namespace boost ;
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#ifdef __LINUX__
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	#include <dirent.h>
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	#ifndef MKDIR
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		#define MKDIR(a)	mkdir(a,0777)
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	#endif
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#else
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	#ifdef _STLP_INTERNAL_WINDOWS_H
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	#define __INTERLOCKED_DECLARED
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	#endif
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	#include <windows.h>
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	#include <direct.h>
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	#ifndef MKDIR
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		#define MKDIR		mkdir
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	#endif
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#endif
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#include <sys/stat.h>
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#include <sys/types.h>
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using namespace std;
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#include <f32file.h>
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#include "h_utl.h"
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#include "r_obey.h"
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#include "r_romnode.h"
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#include "r_rofs.h"
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#include "r_driveimage.h"
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/**
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Constructor: CDriveImage class 
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@param aObey - pointer to Drive obey file.
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*/
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CDriveImage::CDriveImage(CObeyFile *aObey)
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	: iObey( aObey )
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{
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}
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CDriveImage::~CDriveImage()
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{
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}
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/**
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	* 
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  */
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TFSNode* CDriveImage::PrepareFileSystem(TRomNode* aRomNode){ 
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	TUint8 attrib ;
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	TFSNode* root = 0;
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	TRomNode* romNode = aRomNode;
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	stack<pair<TRomNode*,TFSNode*> > nodesStack ;
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	TFSNode* parentFS = 0 ;
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	TFSNode* curFS = 0;
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	bool err = false ;
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    while(1) {
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        attrib = 0 ;
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        if(romNode->iAtt & KEntryAttReadOnly)
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			attrib |= ATTR_READ_ONLY ;
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		if(romNode->iAtt & KEntryAttHidden)
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			attrib |= ATTR_HIDDEN ;
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		if(romNode->iAtt & KEntryAttSystem)
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			attrib |= ATTR_SYSTEM ;  
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		if(romNode->IsDirectory()) {
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			try {
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				curFS = new TFSNode(parentFS,romNode->iName,attrib | ATTR_DIRECTORY);
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			}
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			catch(const char* errInfo){
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				Print(EError,errInfo);
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				err = true ;
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				break ;
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			}
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			catch(...) {
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				err = true ;
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				break ;
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			} 
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			if(!root) root = curFS ;  
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			time_t now = time(NULL); 
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			curFS->Init(now,now,now,0); 
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			TRomNode* child = romNode->Currentchild();
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			if(child){
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				TRomNode* sibling = romNode->Currentsibling(); 
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				if(sibling)
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					nodesStack.push(make_pair(sibling,parentFS));
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				romNode = child ;
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				parentFS = curFS ;
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				continue ;
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			}			
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		}
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		else { // file   
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			try {         
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				curFS = new TFSNode(parentFS,romNode->iEntry->iName,attrib,romNode->iEntry->iFileName);
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			}
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			catch(const char* errInfo){
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				Print(EError,errInfo);
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				err = true ;
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				break ;
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			}
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			catch(...) { 
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					err = true ;
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					break ;
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			} 
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			if(!root) root = curFS ;  
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			struct stat statbuf ;
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			stat(romNode->iEntry->iFileName, &statbuf);             
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			curFS->Init(statbuf.st_ctime,statbuf.st_atime,statbuf.st_mtime,statbuf.st_size);   
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		}
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		TRomNode* sibling = romNode->Currentsibling(); 
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		if(sibling) {
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			romNode = sibling ; 
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		}
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		else { 
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			if(nodesStack.empty()) {
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				break ;
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			}
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			else {
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				romNode = nodesStack.top().first;
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				parentFS = nodesStack.top().second ;
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				nodesStack.pop() ;
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			}
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		}		
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    }
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	if(err) {
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		if(root) delete root ;
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		return NULL ;
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	}
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    return root ;
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} 
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/**
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Creates the Image/Call to file system module.
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Updates the required operations to generate the data drive images.
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Deletes the temp folder if created.
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Calls the file system modules with required parameters.
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@param alogfile - Logfile name required for file system module.
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@return Status(r) - returns the status of file system module.
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                   'KErrGeneral' - Unable to done the above operations properly.
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*/
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TInt CDriveImage::CreateImage(const char* alogfile) {
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	TSupportedFatType fst = EFatUnknown ;
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	if(stricmp(iObey->iDriveFileFormat,"FAT16") == 0)
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	    fst = EFat16 ;
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	else if(stricmp(iObey->iDriveFileFormat,"FAT32") == 0)
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	        fst = EFat32 ;
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	if(EFatUnknown == fst){
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        Print(EError,"Unsupported FAT type : %s",iObey->iDriveFileFormat);
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        return KErrGeneral ;
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	}
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	TFatImgGenerator generator(fst,iObey->iConfigurableFatAttributes);
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	if(!generator.IsValid()){
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	    return KErrGeneral; 
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	}
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	TFSNode* root = PrepareFileSystem(iObey->iRootDirectory);
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	if(!root)
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	    return KErrGeneral;
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	TInt retVal = generator.Execute(root,iObey->iDriveFileName) ? KErrNone : KErrGeneral;
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	delete root ;
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	return 	retVal;
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}