int run(ApiFunc function, std::string configFile, int ac, char* av[], std::string sessionKey = "") {
try {
if (vishnu::vishnuInitialize(const_cast<char*>(configFile.c_str()), ac, av)) {
errorUsage(av[0],communicationErrorMsg,EXECERROR);
return ERRCODE_CLI_ERROR_COMMUNICATION ;
}
if(sessionKey.empty()){
sessionKey = getLastSessionKey(getppid());
}
// VISHNU call
if(! sessionKey.empty()){
return function(sessionKey);
}
errorUsage(av[0],"cannot retrieve sessionKey");
return CLI_ERROR_RUNTIME;
} catch(VishnuException& e){// catch all Vishnu runtime error
std::string msg = e.getMsg()+" ["+e.getMsgComp()+"]";
errorUsage(av[0], msg,EXECERROR);
//check the bad session key
if (checkBadSessionKeyError(e)){
removeBadSessionKeyFromFile(getppid());
}
return e.getMsgI() ;
} catch(std::exception& e){// catch all std runtime error
errorUsage(av[0],e.what());
return ERRCODE_CLI_ERROR_RUNTIME;
}
}
int runWithoutSessionKey(ApiFunc function, std::string configFile, int ac, char* av[]) {
try{
// initializing VISHNU
if (vishnu::vishnuInitialize(const_cast<char*>(configFile.c_str()), ac, av)) {
errorUsage(av[0],communicationErrorMsg,EXECERROR);
return ERRCODE_CLI_ERROR_COMMUNICATION ;
}
//call of the api fuction
int ret =function();
return ret;
} catch(VishnuException& e){// catch all Vishnu runtime error
std::string msg = e.getMsg()+" ["+e.getMsgComp()+"]";
errorUsage(av[0], msg,EXECERROR);
return e.getMsgI() ;
} catch(std::exception& e){// catch all std runtime error
errorUsage(av[0],e.what());
return ERRCODE_CLI_ERROR_RUNTIME;
}
}
/**
* \brief To parse command line options
* \param opt the description of the command line options
* \param isEmpty To check if command line does not contain option
* \param ac The number of command line arguments
* \param av The command line arguments
* \param signature The signature of the command
*/
void
processListOpt(const boost::shared_ptr<Options>& opt,
bool& isEmpty,
int ac, char* av[],
const std::string& signature = "")
{
CLICmd cmd = CLICmd(ac, av, opt);
try {
opt->parse_cli(ac, av);
isEmpty = opt->empty(); //if no value was given in the command line
int rc = cmd.parse(env_name_mapper());
if (rc != 0) {
helpUsage(*opt, signature);
exit(rc);
}
// PreProcess (adapt some parameters if necessary)
checkVishnuConfig(*opt);
if (opt->count("help")) {
helpUsage(*opt, signature);
exit(0);
}
} catch(const po::error&) { // catch all other bad parameter errors
helpUsage(*opt, signature);
exit(ERRCODE_INVALID_PARAM);
} catch(const std::exception& ex) {// catch all std runtime error
errorUsage(av[0],ex.what());
exit(ERRCODE_INVALID_PARAM);
}
}
int main(int argc,char **argv)
{
char filename[11]; //有时间再加长文件名
FILE *fp;
/*
// struct BootEntry be;
if(argc == 1){
errorUsage();
}
else if((strcmp(argv[1], "-d") == 0)&&argc>=4&&(strcmp(argv[3], "-r") == 0)){
fp = fopen(argv[2], "r");
if(fp==NULL) {printf("Error:cannot find this file\n");}
else{
filename = argv[4];
memcpy(filename,argv[4],sizeof(11));
}
}
else
error();
*/
unsigned char buf[10000];
unsigned char buf2[100000];
// struct DirEntry buf2;
struct BootEntry ptr;
struct DirEntry ptr2;
int DataArea = 0;
int FatArea = 0;
int directoryArea = 0;
fp = fopen("/dev/ram1", "r");
if(fp != NULL){
fseek(fp, 0, SEEK_SET);
fread(buf, sizeof(struct BootEntry), 1, fp);
ptr = *(struct BootEntry *) buf;
printf("\n\n");
printf("BPB_BytsPerSec \t%u\n", ptr.BPB_BytsPerSec);
printf("BPB_BytsPerSec \t%x\n", ptr.BPB_BytsPerSec);
printf("BPB_SecPerClus \t%u\n", ptr.BPB_SecPerClus);
printf("BPB_RsvdSecCnt \t%u\n", ptr.BPB_RsvdSecCnt);
printf("BPB_NumFATs \t%u\n", ptr.BPB_NumFATs);
printf("BPB_TotSec16 \t%u\n", ptr.BPB_TotSec16);
printf("BPB_TotSec32 \t%ld\n", ptr.BPB_TotSec32); //long
printf("BPB_FATSz32 \t%ld\n", ptr.BPB_FATSz32); //long
printf("BPB_RootClus \t%ld\n", ptr.BPB_RootClus); //long
printf("\n\n");
DataArea = (ptr.BPB_RsvdSecCnt + ptr.BPB_FATSz32*ptr.BPB_NumFATs)*ptr.BPB_BytsPerSec;
FatArea = ptr.BPB_RsvdSecCnt*ptr.BPB_BytsPerSec;
printf("%d\n", DataArea); //1049600
printf("%d\n", FatArea); //16384
fseek(fp, DataArea+0, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
/* printf("DIR_Name %%s: \t%s\n", ptr2.DIR_Name);
// printf("DIR_Name %%u: \t%u\n", ptr2.DIR_Name);
printf("DIR_Attr \t%x\n", ptr2.DIR_Attr); //这个为0f，就是long file name； 20是文件； 10是目录
printf("DIR_FstClusHI \t%u\n", ptr2.DIR_FstClusHI);
printf("DIR_FstClusLO \t%u\n", ptr2.DIR_FstClusLO); //用来判断是在哪个cluster里面
printf("DIR_FileSize \t%ld\n", ptr2.DIR_FileSize); //long
printf("\n\n");
*/
}else{
printf("file open error!\n");
}
fclose(fp);
/*
if(argc==1||argc==0){
errorUsage();
}
else if((strcmp(argv[1], "-d") == 0)&&strcmp(argv[3], "-i") == 0&&argc==4){
printf("-i \n");
fp = fopen(argv[2], "r");
if(fp != NULL){
struct BootEntry ptr;
fseek(fp, 0, SEEK_SET);
fread(buf, sizeof(struct BootEntry), 1, fp);
ptr = *(struct BootEntry *) buf;
printf("Number of FATs = %u\n", ptr.BPB_NumFATs);
printf("Number of bytes per sectoor = %u\n", ptr.BPB_BytsPerSec);
printf("Number of sectors per cluster = %u\n", ptr.BPB_SecPerClus);
printf("Number of reserved sectors = %u\n", ptr.BPB_RsvdSecCnt);
}else{
error();
}
fclose(fp);
}
*/
int FirstCluster = 0;
int SearchNameNum = 0; //SearchNameNum = 0
int SearTmp = 0; //辅助 SearchNameNum 计算
int LastSerNum = 0;
char FileName[100][11];
char tmpargv = 0xe5;
int MuluNameNum = 0; //MuluNameNum = 0; 目录里循环次数
char MuluName[11]; //目录的名字
// printf("-l \n\n");
if(argc==1||argc==3){
errorUsage();
}
else if((strcmp(argv[1], "-d") == 0)&&strcmp(argv[3], "-i") == 0&&argc==4){
// printf("-i \n");
fp = fopen(argv[2], "r");
if(fp != NULL){
struct BootEntry ptr;
fseek(fp, 0, SEEK_SET);
fread(buf, sizeof(struct BootEntry), 1, fp);
ptr = *(struct BootEntry *) buf;
printf("Number of FATs = %u\n", ptr.BPB_NumFATs);
printf("Number of bytes per sectoor = %u\n", ptr.BPB_BytsPerSec);
printf("Number of sectors per cluster = %u\n", ptr.BPB_SecPerClus);
printf("Number of reserved sectors = %u\n", ptr.BPB_RsvdSecCnt);
}else{
error();
}
fclose(fp);
}
else if((strcmp(argv[1], "-d") == 0)&&argc>=4&&(strcmp(argv[3], "-l") == 0)){
fp = fopen("/dev/ram1", "r");
if(fp != NULL){
for(SearchNameNum = 0; SearchNameNum < 20; SearchNameNum++){
fseek(fp, DataArea+SearchNameNum*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
if(ptr2.DIR_Name[0]==0x00)
break;
FirstCluster = 0;
if(ptr2.DIR_Name[0]!=0xe5 && ptr2.DIR_Name[0]!=0x00){
if(ptr2.DIR_Attr==0x10){ //判断是否为目录
printf("%d, ", SearchNameNum+SearTmp+1);
ptr2.DIR_Name[8] = '\0';
FirstCluster = ptr2.DIR_FstClusLO+ptr2.DIR_FstClusHI*65538;
memcpy(MuluName, ptr2.DIR_Name, sizeof(ptr2.DIR_Name));
MuluName[11] = '\0';
printf("%s/, ", MuluName);
printf("%ld, ", ptr2.DIR_FileSize);
printf("%d\n", FirstCluster);
// printf("ptr2.DIR_FstClusLO \t%u\n", ptr2.DIR_FstClusLO);
// printf("DIR_FstClusHI \t%u\n", ptr2.DIR_FstClusHI);
//目录是从1048576开始算的，1048576 = 1049600 - 2*512 = DataArea - 2 * ptr.BPB_BytsPerSec
//目录下文件输出----- 1048576（10）=100000（16）
directoryArea = DataArea-2*(ptr.BPB_BytsPerSec);
for(MuluNameNum = 0; MuluNameNum < 10; MuluNameNum++){
fseek(fp, directoryArea+FirstCluster*512+MuluNameNum*32, SEEK_SET);
//20是从上面的 DIR_FstClusLO与 DIR_FstClusHI的和得到的，512是一个蔟大小， 64是因为文件目录要再加64
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
if(ptr2.DIR_Name[0]!=0x00){
if(ptr2.DIR_Attr==0x10){
ptr2.DIR_Name[8] = '\0';
}
printf("%d, ", SearchNameNum+1+SearTmp+1);
printf("%s/%s, ", MuluName,ptr2.DIR_Name);
printf("%ld, ", ptr2.DIR_FileSize);
printf("%d\n", FirstCluster);
SearTmp++;
}
}
}
else{
// fseek(fp, DataArea+SearchNameNum*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
// fread(buf2, 1, 32, fp);
// ptr2 = *(struct DirEntry *) buf2;
printf("%d, ", SearchNameNum+1+SearTmp);
FirstCluster = ptr2.DIR_FstClusLO+ptr2.DIR_FstClusHI*65538;
printf("%s ", ptr2.DIR_Name);
printf("%ld ", ptr2.DIR_FileSize);
printf("%d\n", FirstCluster);
}
}
}
}else{
printf("file open error!\n");
}
fclose(fp);
}
//------------------------------------------------------------------------------------------
else if(argc>4&&(strcmp(argv[1], "-d") == 0)&&(strcmp(argv[3], "-r") == 0)){
//-------------------------匹配文件名的（未完成）--------------------------------
printf("argv[4] is %s \n", argv[4]);
/* printf("argv[4][0] is %c \n", argv[4][0]);
printf("argv[4][1] is %c \n", argv[4][1]);
printf("argv[4][2] is %c \n", argv[4][2]);
printf("argv[4][3] is %c \n", argv[4][3]);
printf("argv[4][4] is %c \n", argv[4][4]);
printf("argv[4][5] is %c \n", argv[4][5]);
printf("argv[4][6] is %c \n", argv[4][6]);
printf("argv[4][7] is %c \n", argv[4][7]);
printf("argv[4][8] is %c \n", argv[4][8]);
printf("argv[4][9] is %c \n", argv[4][9]);
printf("argv[4][10] is %c \n", argv[4][10]);
*/
// printf("%s ",strstr("ABBB","B"));
int argvii = 0;
bool ExtenHave = 0; //bool ExtenHave, 判断扩展名标志 ‘.’ 是否存在
int PositExt = 0;
for(argvii = 0; argvii<11; argvii++){
if(argv[4][argvii]=='.'){
// printf("make the position %d \n", argvii+1);
ExtenHave = 1;
PositExt = argvii; // PositExt是 argv[4]点的位置
}
}
// printf("make the position %d \n", argvii+1);
// printf("make the ExtenHave %d \n", ExtenHave);
SearchNameNum = 0; //SearchNameNum = 0
LastSerNum = 0;
FileName[100][11];
tmpargv = 0xe5;
tmpargv = argv[4][0];
char tmpFileName[11]; //扩展名要用
char tmpArgv[11]; //扩展名要用
int ifile = 0; //用来把空格变成0时 数11位数
fp = fopen("/dev/ram1", "r");
if(fp != NULL){
for(SearchNameNum = 0; SearchNameNum < 20; SearchNameNum++){
// if(ptr2.DIR_Name[0]==0x00)
// break;
fseek(fp, DataArea+SearchNameNum*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
int FilePosi = 0; //确认输入名字与被删除名字一致
if(ptr2.DIR_Name[0]==0xe5){
if(!ExtenHave){
/*
printf("************************\n");
printf("The file was removed ");
printf("DIR_Name %%s: \t%s\n", ptr2.DIR_Name);
printf("%d \n", SearchNameNum);
*/
memcpy(filename, ptr2.DIR_Name, sizeof(ptr2.DIR_Name));
filename[11] = '\0';
ifile = 0;
for(ifile = 0; ifile < 11; ifile++){
if(filename[ifile]==0x20)
filename[ifile] = 0x00;
}
/*
printf("file name is %s\n", filename);
printf("file name is %c\n", filename[0]);
printf("file name is %x\n", filename[6]);
*/
argv[4][0] = 0xe5;
argv[4][11] = '\0';
// printf("argv[4] is %s\n", argv[4]);
// printf("argv[4][6] is %x\n", argv[4][6]);
FilePosi = strcmp(filename, argv[4]);
// printf("FilePosi is %d\n", FilePosi);
if(FilePosi==0){
LastSerNum = SearchNameNum;
printf("LastSerNum is %d\n", LastSerNum);
}
}
else{
printf("************************\n");
// printf("PositExt is %d\n", PositExt);
memcpy(filename, ptr2.DIR_Name, sizeof(ptr2.DIR_Name));
memcpy(tmpArgv, argv[4], sizeof(argv[4]));
argv[4][11] = '\0';
tmpArgv[11] = '\0';
tmpArgv[0] = 0xe5;
tmpArgv[PositExt] = '\0';
filename[PositExt] = '\0';
// printf("filename is %s\n", filename);
// printf("tmpArgv is %s\n", tmpArgv);
filename[11] = '\0';
for(ifile = 0; ifile < 11; ifile++){
if(filename[ifile]==0x20)
filename[ifile] = 0x00;
}
FilePosi = strcmp(filename, tmpArgv);
printf("FilePosi is %d\n", FilePosi);
if(FilePosi==0&&argv[4][PositExt+1]==ptr2.DIR_Name[8]&&argv[4][PositExt+2]==ptr2.DIR_Name[9]&&argv[4][PositExt+3]==ptr2.DIR_Name[10]){
LastSerNum = SearchNameNum;
printf("LastSerNum is %d\n", LastSerNum);
}
}
}
argv[4][0] = tmpargv;
// printf("tmpargv is %x\n", tmpargv);
// printf("LastSerNum is %d\n", LastSerNum);
if(ptr2.DIR_Name[0]==0x00){
// printf("Empty part\n ");
}
FirstCluster = 0;
if(ptr2.DIR_Name[0]!=0xe5 && ptr2.DIR_Name[0]!=0x00){
if(ptr2.DIR_Attr==0x10){ //判断是否为目录
ptr2.DIR_Name[8] = '\0';
FirstCluster = ptr2.DIR_FstClusLO+ptr2.DIR_FstClusHI*65538;
// printf("DIR_Name %%s: \t%s\n", ptr2.DIR_Name);
// printf("ptr2.DIR_FstClusLO \t%u\n", ptr2.DIR_FstClusLO);
// printf("DIR_FstClusHI \t%u\n", ptr2.DIR_FstClusHI);
// printf("First Cluster is %d\n", FirstCluster);
// printf("size is %ld\n", ptr2.DIR_FileSize);
// printf("%d \n", SearchNameNum);
//目录是从1048576开始算的，1048576 = 1049600 - 2*512 = DataArea - 2 * ptr.BPB_BytsPerSec
//目录下文件输出----- 1048576（10）=100000（16）
directoryArea = DataArea-2*(ptr.BPB_BytsPerSec);
fseek(fp, directoryArea+64+FirstCluster*512, SEEK_SET);
//20是从上面的 DIR_FstClusLO与 DIR_FstClusHI的和得到的，512是一个蔟大小， 64是因为文件目录要再加64
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
if(ptr2.DIR_Name[0]!=0x00){
// printf("DIR_Name %%s: \t%s\n", ptr2.DIR_Name);
// printf("First Cluster is %d\n", FirstCluster);
// printf("size is %ld\n", ptr2.DIR_FileSize);
// printf("\n\n");
}
}
else{
// fseek(fp, DataArea+SearchNameNum*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
// fread(buf2, 1, 32, fp);
// ptr2 = *(struct DirEntry *) buf2;
FirstCluster = ptr2.DIR_FstClusLO+ptr2.DIR_FstClusHI*65538;
// printf("DIR_Name %%s: \t%s\n", ptr2.DIR_Name);
// printf("First Cluster is %d\n", FirstCluster);
// printf("size is %ld\n", ptr2.DIR_FileSize);
// printf("%d \n", SearchNameNum);
}
}
}
}else{
printf("file open error!\n");
}
fclose(fp);
//------------------------------------------------------------------------------------------
int recPos = 0; //从头（1049600这个位置）开始数，32bytes为一个单位，然后第几个，恢复的文件是第几个！
recPos = LastSerNum; //这个recPos就是接口，你把要找到的位置input到这里就OK了！
//--------------------------恢复文件-------------------------------------------------------
if(recPos!=0){
fp = fopen("/dev/ram1", "rw+");
if(fp != NULL){
printf("You know it, haha \n");
printf("\n\n");
//`````````这一part可以用来修改内存，恢复里面的内容
//recover前要umount设备，recover后要mount设备
//恢复首先在1049600那里 匹配文件名，然后把第一个字符改回来
//第二，到16384的cluster里面写EOF，就是在指定的cluster位置写ffff ff0f,
//cluster位置是 DIR_FstClusLO与 DIR_FstClusHI得到的值乘以4byte
//大文件恢复是同样的道理
// buf2[0] = argv[4][0]; // 要改的值为 输入的文件名 首字母
unsigned char buff;
char EOFValue[4]; //用来EOF
EOFValue[0] = 0xff;
EOFValue[1] = 0xff;
EOFValue[3] = 0x0f;
EOFValue[2] = 0xff;
unsigned long EOFVal = 0x0fffffff;
unsigned long FATVal = 0;
fseek(fp, DataArea+recPos*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
ptr2.DIR_Name[0] = argv[4][0];
// ptr2.DIR_Name[0] = 0xe5;
*(struct DirEntry *) buf2 = ptr2;
// memcpy(buff,ptr2.DIR_Name[0],sizeof(ptr2.DIR_Name[0]));
//___________________
fseek(fp, DataArea+recPos*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
fwrite(&ptr2.DIR_Name[0], sizeof(ptr2.DIR_Name[0]), 1, fp);
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
printf("The File Name is need recover: \t%s\n", ptr2.DIR_Name);
//-------------------
//文件恢复： ff（16）=255； ptr2.DIR_FileSize文件大小； DIR_FstClusLO与 DIR_FstClusHI文件起始位置
fseek(fp, DataArea+recPos*32, SEEK_SET); //DataArea = 1049600 所有的 都用DataArea去写
fread(buf2, 1, 32, fp);
ptr2 = *(struct DirEntry *) buf2;
printf("Recover and the result of the File Name is \t%s\n", ptr2.DIR_Name);
char FATValue[4];
int i = 0;
int Num = 0;
unsigned long FstClus = 0; //起始位置
FstClus = ptr2.DIR_FstClusLO+ptr2.DIR_FstClusHI*65538;
// FstClus = 4;
FATValue[0] = 0x00; //初始化FATValue 修改于201212222339
FATValue[1] = 0x00;
FATValue[2] = 0x00;
FATValue[3] = 0x00;
printf("first Cluster is %ld \n", FstClus); //修改于201212222339
printf("FatArea+FstClus*4 is %x\n", FatArea+FstClus*4);
Num = ptr2.DIR_FileSize/ptr.BPB_BytsPerSec; //data的大小 除以512 就是循环次数
printf("Num %d \n", Num);
FATVal = FstClus + 1;
for(i = 0; i <= Num-1; i++){ //这个应该是Num-1 修改于201212222339
fseek(fp, FatArea+4*(FstClus+i), 0);
FATValue[0] = FATVal;
printf("FATVal is %x\n ", FATVal);
if(FATValue[0] == 0x00)
FATValue[1] += 1;
if(FATValue[1] == 0x00 && FATVal>255)
FATValue[2] += 1;
if(FATValue[2] == 0x00 && FATVal>65537)
FATValue[3] += 1;
// printf("%ld ",FATVal);
fwrite(FATValue, 4, 1, fp);
// printf("%d ",i);
FATVal++;
}
fseek(fp, FatArea+4*(FstClus+Num), 0); //这个应该是FstClus+Num 修改于201212222339
fwrite(EOFValue, 4, 1, fp);
printf("what??2\n");
}else{
printf("file open error!\n");
}
fclose(fp);
printf("---------------------------------------\n");
//--------------------------------------------------------------------------------------
}
}
else{
errorUsage();
}
}
