/*

* Copyright (c) 2007-2010 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: 

*

*/

#include <string.h>

#include <stdlib.h>

#include <f32file.h>

#include "e32image.h"

#include "h_utl.h"

#include "h_ver.h"

#include "r_obey.h"

#include "r_driveimage.h"

#include "r_driveutl.h"

#include "r_coreimage.h"

#include "parameterfileprocessor.h"

#include "r_smrimage.h"

//cache headers

#include "cache/cacheexception.hpp"

#include "cache/cacheentry.hpp"

#include "cache/cache.hpp"

#include "cache/cachegenerator.hpp"

#include "cache/cachevalidator.hpp"

#include "cache/cacheablelist.hpp"

#include "cache/cachemanager.hpp"

#include <malloc.h>

#ifndef WIN32

#include <unistd.h>

#include <strings.h>

#include <fstream>

#define strnicmp strncasecmp

#define stricmp strcasecmp

#define _alloca alloca

#endif

static const TInt RofsbuildMajorVersion=2;

static const TInt RofsbuildMinorVersion=10;

static const TInt RofsbuildPatchVersion=4;

static TBool SizeSummary=EFalse;

static TPrintType SizeWhere=EAlways;

static TInt gHeaderType=1;			// EPOC header

static TInt MAXIMUM_THREADS = 128;

static TInt DEFAULT_THREADS = 8;

ECompression gCompress=ECompressionUnknown;

TUint  gCompressionMethod=0;

TInt gThreadNum = 0;

TInt gCPUNum = 0;

TBool gGenSymbols = EFalse;

TInt gCodePagingOverride = -1;

TInt gDataPagingOverride = -1;

TInt gLogLevel = 0;	// Information is logged based on logging level.

// The default is 0. So all the existing logs are generated as if gLogLevel = 0.

// If any extra information required, the log level must be appropriately supplied.

// Currrently, file details in ROM (like, file name in ROM & host, file size, whether

// the file is hidden etc) are logged when gLogLevel >= LOG_LEVEL_FILE_DETAILS.

TBool gUseCoreImage = EFalse; // command line option for using core image file

string gImageFilename = "";	// instead of obey file

TBool gEnableStdPathWarning = EFalse;// for in-correct destination path warning(executables).

TBool gLowMem = EFalse;

extern TBool gDriveImage;		// to Support data drive image.

string gDriveFilename = "";		// input drive oby filename.

string filename;				// to store oby filename passed to Rofsbuild.

TBool reallyHelp = EFalse;	

TBool gSmrImage = EFalse;

string gSmrFileName = "";

//Cache global variables

bool gCache = false;

bool gCleanCache = false;

bool gNoCache = false;

TBool gKeepGoing = EFalse;

void PrintVersion() {

	Print(EAlways,"\nROFSBUILD - Rofs/Datadrive image builder");

	Print(EAlways, " V%d.%d.%d\n", RofsbuildMajorVersion, RofsbuildMinorVersion, RofsbuildPatchVersion);

	Print(EAlways,Copyright);

}

char HelpText[] = 

	"Syntax: ROFSBUILD [options] obeyfilename(Rofs)\n"

	"Option: -v verbose,  -?,  -s[log|screen|both] size summary\n"

	"        -d<bitmask> set trace mask (DEB build only)\n"

	"        -compress   compress executable files where possible\n"

	"        -j<digit> do the main job with <digit> threads\n"

	"        -symbols generate symbol file\n"

	"        -compressionmethod none|inflate|bytepair to set the compression\n"

	"              none     uncompress the image.\n"

	"              inflate  compress the image.\n"

	"              bytepair compress the image.\n"

	"        -coreimage <core image file>\n"

	"        -cache allow the ROFSBUILD to reuse/generate cached executable files\n"

	"        -nocache force the ROFSBUILD not to reuse/generate cached executable files\n"

	"        -cleancache permanently remove all cached executable files\n"

	"        -datadrive=<drive obyfile1>,<drive obyfile2>,... for driveimage creation\n"

	"              user can also input rofs oby file if required to generate both.\n"

	"        -smr=<SMR obyfile1>,<SMR obyfile2>,... for SMR partition creation\n"

	"        -loglevel<level>  level of information to log (valid levels are 0,1,2).\n"//Tools like Visual ROM builder need the host/ROM filenames, size & if the file is hidden.

	"        -wstdpath   warn if destination path provided for a file is not the standard path\n"

	"        -argfile=<FileName>   specify argument-file name containing list of command-line arguments\n"

"        -lowmem     use memory-mapped file for image build to reduce physical memory consumption\n"

"        -k     to enable keepgoing when duplicate files exist in oby\n";

char ReallyHelpText[] =

"Log Level:\n"

"        0  produce the default logs\n"

"        1  produce file detail logs in addition to the default logs\n"

"        2  logs e32 header attributes in addition to the level 1 details\n";

void processParamfile(const string& aFileName);

/**

Process the command line arguments and prints the helpful message if none are supplied.

@param argc    - No. of argument.

@param *argv[] - Arguments value.

*/ 

void processCommandLine(int argc, char *argv[], TBool paramFileFlag = EFalse) {

	// If "-argfile" option is passed to rofsbuild, then process the parameters

	// specified in parameter-file first and then the options passed from the command-line.

	string ParamFileArg("-ARGFILE=");	

	if(paramFileFlag == EFalse) {

		for (int count = 1; count<argc; count++) {

			string paramFile;

			//strupr(argv[count]);

			if(strnicmp(argv[count],ParamFileArg.c_str(),ParamFileArg.length()) == 0) {

				paramFile.assign(&argv[count][ParamFileArg.length()]);									

				processParamfile(paramFile);

			}

		}

	}	

	int i = 1;

	while (i<argc) {		 

#ifdef __LINUX__	

		if (argv[i][0] == '-') 

#else

		if ((argv[i][0] == '-') || (argv[i][0] == '/'))

#endif

		{ 

			// switch

			if ((argv[i][1] & 0x20) == 'v')

				H.iVerbose = ETrue;

			else if(strnicmp (argv[i], "-SMR=", 5) == 0) {

				if(argv[i][5]) {

					gSmrImage = ETrue;

					gSmrFileName.assign(&argv[i][5]);

				}

				else {

					Print (EError, "SMR obey file is missing\n");

				}

			} else if (stricmp(argv[i], "-K") == 0) {

				gKeepGoing = ETrue;

			}else if (stricmp(argv[i], "-SYMBOLS") == 0) {

				gGenSymbols = ETrue;

			}

			else if (((argv[i][1] | 0x20) == 's') &&  

				(((argv[i][2]| 0x20) == 'l')||((argv[i][2] | 0x20) == 's'))) {

					SizeSummary = ETrue;

					if ((argv[i][2]| 0x20) == 'l')

						SizeWhere = ELog;

					else

						SizeWhere = EScreen;

			}

			else if (strnicmp(argv[i],ParamFileArg.c_str(),ParamFileArg.length()) == 0) {

				if (paramFileFlag){

					string paramFile;

					paramFile.assign(&argv[i][ParamFileArg.length()]);		

					processParamfile(paramFile);

				}

				else {

					i++;

					continue;

				}

			}

			else if (stricmp(argv[i], "-COMPRESS") == 0) {

				gCompress = ECompressionCompress;

				gCompressionMethod = KUidCompressionDeflate;

			}

			else if(stricmp(argv[i], "-CACHE") == 0) {

				gCache = true;

				if(gCleanCache || gNoCache) {

					printf("Cache command line options are mutually exclusive, only one option can be used at a time\n");

					exit(1);

				}

			}

			else if(stricmp(argv[i], "-NOCACHE") == 0) {

				gNoCache = true;

				if(gCleanCache || gCache) {

					printf("Cache command line options are mutually exclusive, only one option can be used at a time\n");

					exit(1);

				}

			}

			else if(stricmp(argv[i], "-CLEANCACHE") == 0) {

				gCleanCache = true;

				if(gCache || gNoCache)

				{

					printf("Cache command line options are mutually exclusive, only one option can be used at a time\n");

					exit(1);

				}

			}

			else if (strnicmp(argv[i], "-J",2) == 0) {

				if(argv[i][2])

					gThreadNum = atoi(&argv[i][2]);

				else {

					printf("WARNING: The option should be like '-j4'.\n");

					gThreadNum = 0;

				}

				if(gThreadNum <= 0 || gThreadNum > MAXIMUM_THREADS) {

					printf("WARNING: The number of concurrent jobs set by -j should be between 1 and 128. ");

					if(gCPUNum > 0) {

						printf("WARNING: The number of processors %d is used as the number of concurrent jobs.\n", gCPUNum);

						gThreadNum = gCPUNum;

					}

					else {

						printf("WARNING: Can't automatically get the valid number of concurrent jobs and %d is used.\n", DEFAULT_THREADS);

						gThreadNum = DEFAULT_THREADS;

					}

				}

			}

			else if (stricmp(argv[i], "-UNCOMPRESS") == 0) {

				gCompress = ECompressionUncompress;

			}

			else if( stricmp(argv[i], "-COMPRESSIONMETHOD") == 0 ) {

				// next argument should a be method

				if( (i+1) >= argc || argv[i+1][0] == '-') {

					Print (EError, "Missing compression method! Set it to default (no compression)!");

					gCompressionMethod = 0;

				}

				else {

					i++;					

					if( stricmp(argv[i], "NONE") == 0) {

						gCompress = ECompressionUncompress;

						gCompressionMethod = 0;	

					}

					else if( stricmp(argv[i], "INFLATE") == 0) {

						gCompress = ECompressionCompress;

						gCompressionMethod = KUidCompressionDeflate;	

					}	

					else if( stricmp(argv[i], "BYTEPAIR") == 0) {

						gCompress = ECompressionCompress;

						gCompressionMethod = KUidCompressionBytePair;	

					}

					else {

						Print (EError, "Unknown compression method! Set it to default (no compression)!");

						gCompress = ECompressionUnknown;

						gCompressionMethod = 0;		

					}

				}

			}

			else if (stricmp(argv[i], "-COREIMAGE") == 0) {

				gUseCoreImage = ETrue;

				// next argument should be image filename

				if ((i+1 >= argc) || argv[i+1][0] == '-')

					Print (EError, "Missing image file name");

				else {

					i++;

					gImageFilename.assign(argv[i]);

				}

			}

			else if (strnicmp(argv[i], "-DATADRIVE=",11) == 0){  

				if(argv[i][11])	{

					gDriveImage = ETrue; 

					gDriveFilename.assign(&argv[i][11]);	

				}

				else {

					Print (EError, "Drive obey file is missing\n"); 

				}

			}

			else if (argv[i][1] == '?') {

				reallyHelp = ETrue;

			}

			else if (stricmp(argv[i], "-WSTDPATH") == 0)	{	// Warn if destination path provided for a executables are incorrect as per platsec.		

				gEnableStdPathWarning = ETrue;						

			}

			else if( stricmp(argv[i], "-LOGLEVEL") == 0) {

				// next argument should a be loglevel

				if( (i+1) >= argc || argv[i+1][0] == '-') {

					Print (EError, "Missing loglevel!");

					gLogLevel = DEFAULT_LOG_LEVEL;

				}

				else {

					i++;

					if (strcmp(argv[i], "2") == 0)

						gLogLevel = (LOG_LEVEL_FILE_DETAILS | LOG_LEVEL_FILE_ATTRIBUTES);

					if (strcmp(argv[i], "1") == 0)

						gLogLevel = LOG_LEVEL_FILE_DETAILS;

					else if (strcmp(argv[i], "0") == 0)

						gLogLevel = DEFAULT_LOG_LEVEL;

					else

						Print(EError, "Only loglevel 0, 1 or 2 is allowed!");

				}

			}

			else if( stricmp(argv[i], "-LOGLEVEL2") == 0)

				gLogLevel = (LOG_LEVEL_FILE_DETAILS | LOG_LEVEL_FILE_ATTRIBUTES);

			else if( stricmp(argv[i], "-LOGLEVEL1") == 0)

				gLogLevel = LOG_LEVEL_FILE_DETAILS;

			else if( stricmp(argv[i], "-LOGLEVEL0") == 0)

				gLogLevel = DEFAULT_LOG_LEVEL;

			else if (stricmp(argv[i], "-LOWMEM") == 0)

				gLowMem = ETrue;

			else {

#ifdef WIN32

				cout << "Unrecognised option " << argv[i] << "\n";

#else

				if(0 == access(argv[i],R_OK)){

					filename.assign(argv[i]);

				}

				else {

					cout << "Unrecognised option " << argv[i] << "\n";

				}

#endif				

			}

		}

		else // Must be the obey filename

			filename.assign(argv[i]);

		i++;

	}

	if (paramFileFlag)

		return;

	if((gDriveImage == EFalse) && (gSmrImage ==  EFalse) && 

		(filename.empty() || (gUseCoreImage && gImageFilename.length() == 0))){

			PrintVersion();

			cout << HelpText;

			if (reallyHelp) {

				ObeyFileReader::KeywordHelp();

				cout << ReallyHelpText;

			}

			else if (filename.empty()){

				Print(EError, "Obey filename is missing\n");

			}

	}	

}

/**

Function to process parameter-file.

@param aFileName parameter-file name.

*/

void processParamfile(const string& aFileName) {

	CParameterFileProcessor parameterFile(aFileName);

	// Invoke fuction "ParameterFileProcessor" to process parameter-file.

	if(parameterFile.ParameterFileProcessor()) {

		TUint noOfParameters = parameterFile.GetNoOfArguments();

		char** parameters = parameterFile.GetParameters();

		TBool paramFileFlag = ETrue;

		// Invoke function "processCommandLine" to process parameters read from parameter-file.

		processCommandLine(noOfParameters,parameters,paramFileFlag);

	}	

}

/**

Main logic for data drive image creation. Called many types depending on no. of drive obey files.

@param aobeyFileName - Drive obey file.

@param alogfile      - log file name required for file system module.

@return - returns the status, after processing the drive obey file.

*/ 

TInt ProcessDataDriveMain(char* aobeyFileName,char* alogfile) {

	ObeyFileReader *reader = new ObeyFileReader(aobeyFileName);

	if(!reader)

		return KErrNoMemory;

	if(!reader->Open())

		return KErrGeneral; 

	CObeyFile* mainObeyFile = new CObeyFile(*reader);    

	if(!mainObeyFile)

		return KErrNoMemory;

	// Process data drive image.

	// let's clear the TRomNode::sDefaultInitialAttr first, 'cause data drive is different from rom image

	TRomNode::sDefaultInitialAttr = 0; 

	TInt retstatus = mainObeyFile->ProcessDataDrive();

	if (retstatus == KErrNone) {

		// Build a Data drive image using the description compiled into the CObeyFile object

		CDriveImage* userImage = new CDriveImage(mainObeyFile);

		if(userImage) {	

			// Drive image creation.

			retstatus = userImage->CreateImage(alogfile);

			if(retstatus == KErrNone) {

				cout << "\nSuccessfully generated the Drive image : " << mainObeyFile->iDriveFileName << "\n";

			}

			else {

				cout << "\nFailed to generate the Image : " << mainObeyFile->iDriveFileName << "\n";

			}

			delete userImage; 

		}

		else {

			retstatus = KErrNoMemory;

		}

	}

	// restore

	TRomNode::sDefaultInitialAttr = (TUint8)KEntryAttReadOnly;

	cout << "\n-----------------------------------------------------------\n";

	delete mainObeyFile;

	delete reader;

	return retstatus;

}

TInt ProcessSmrImageMain(char* aObeyFileName, char* /* alogfile */) {

	ObeyFileReader *reader = new ObeyFileReader(aObeyFileName);

	if(!reader)

		return KErrNoMemory;

	if(!reader->Open())

		return KErrGeneral;

	TInt retstatus = 0;

	CObeyFile* mainObeyFile = new CObeyFile(*reader);

	CSmrImage* smrImage = 0;

	if(!mainObeyFile)

		return KErrNoMemory;

	if(mainObeyFile->Process()) {

		smrImage = new CSmrImage(mainObeyFile);

		if(smrImage) {

			if((retstatus = smrImage->Initialise()) == KErrNone) {

				retstatus = smrImage->CreateImage();

			}

			if(retstatus == KErrNone) {

				cout << "\nSuccessfully generated the SMR image : " << smrImage->GetImageName().c_str() << "\n";

			}

			else {

				cout << "\nFailed to generate the Image : " << smrImage->GetImageName().c_str() << "\n";

			}

			delete smrImage;

		}

		else {

			retstatus = KErrNoMemory;

		}

	}

	delete mainObeyFile;

	delete reader;

	return retstatus;

}

/**

Rofsbuild Main function, which creates both Rofs and Data drive image.

@param argc    - No. of argument.

@param *argv[] - Arguments value.

@return - returns the status to caller.

*/ 

TInt main(int argc, char *argv[]){

	TInt r =0;

#ifdef __LINUX__

	gCPUNum = sysconf(_SC_NPROCESSORS_CONF);

#else	

	char* pCPUNum = getenv ("NUMBER_OF_PROCESSORS");

	if (pCPUNum != NULL)

		gCPUNum = atoi(pCPUNum);

#endif		

	if(gCPUNum > MAXIMUM_THREADS)

		gCPUNum = MAXIMUM_THREADS;

	processCommandLine(argc, argv);

	//if the user wants to clean up the cache, do it only.

	if(gCleanCache){

		try {

			CacheManager::GetInstance()->CleanCache();

			printf("Cache has been deleted successfully.\r\n");

		}

		catch(CacheException& ce){

			printf("%s\r\n", ce.GetErrorMessage());

			return (TInt)1;

		}

		return r;

	}

	//initialize cache if the user switches on.

	if(gCache) {

		try {

			CacheManager::GetInstance();

		}

		catch(CacheException ce){

			printf("%s\r\n", ce.GetErrorMessage());

			return (TInt)1;