direct/test-framework/timothy_tests/yaffs_and_linux_mirror_tests/mirror_tests.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2018 Aleph One Ltd.
   5  *
   6  * Created by Timothy Manning <timothy@yaffs.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include "mirror_tests.h"
  14
  15 int random_seed;
  16 int simulate_power_failure = 0;
  17
  18 int num_of_random_tests=1;
  19
  20
  21
  22 typedef struct test_list_temp2{
  23         char *test_name;
  24         int (*test_pointer)(arg_temp *args_struct);
  25 }test_list_temp;
  26
  27 typedef struct test_temp2 {
  28         int num_of_tests;
  29         test_list_temp test_list[];
  30 }test_temp;
  31
  32 test_temp yaffs_tests={
  33         4,
  34         {{"yaffs_test_open",yaffs_test_open},
  35         {"yaffs_test_truncate",yaffs_test_truncate},
  36         {"yaffs_test_unlink",yaffs_test_unlink},
  37         {"yaffs_test_write",yaffs_test_write}
  38         }
  39 };
  40
  41 test_temp linux_tests={
  42         4,
  43         {{"linux_test_open",linux_test_open},
  44         {"linux_test_truncate",linux_test_truncate},
  45         {"linux_test_unlink",linux_test_unlink},
  46         {"linux_test_write",linux_test_write}
  47         }
  48 };
  49
  50 const struct option long_options[]={
  51         {"help",        0,NULL,'h'},
  52         {"yaffs_path",  1,NULL,'y'},
  53         {"linux_path",  1,NULL,'l'},
  54         {"print_level", 1,NULL,'p'},
  55         {"quiet",       0,NULL,'q'},
  56         {"number",      1,NULL,'n'},
  57         {"seed",        1,NULL,'s'},
  58         {"trace",       1,NULL,'t'},
  59         {"clean",       0,NULL,'c'},
  60         {"verbose",     0,NULL,'v'}
  61 };
  62
  63 const char short_options[]="hy:l:p:qn:s:t:cv";
  64
  65
  66 int main(int argc, char *argv[])
  67 {
  68         char message[100];
  69
  70 //      yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
  71 //      linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
  72
  73         init(argc,argv);
  74         print_message(1,"running mirror_tests\n");
  75         sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
  76         print_message(3,message);
  77         sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
  78         print_message(3,message);
  79         sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
  80         print_message(3,message);
  81         sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
  82         print_message(3,message);
  83
  84         run_random_test(num_of_random_tests);
  85         //compare_linux_and_yaffs();
  86         yaffs_unmount("yaffs2");
  87         return 0;
  88 }
  89
  90 void init(int argc, char *argv[])
  91 {
  92         char dir[200];
  93         dir[0]='\0';
  94         int x=-1;
  95         char message[100];
  96         int new_option;
  97
  98         x=(unsigned)time(NULL);
  99         sprintf(message,"seeding srand with: %d\n",x);
 100         print_message(2,message);
 101         srand(x);
 102         yaffs_set_trace(0);
 103         linux_struct.type_of_test =LINUX;
 104         yaffs_struct.type_of_test =YAFFS;
 105
 106         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
 107         print_message(3,message);
 108         strcpy(dir,getcwd(dir,200));
 109
 110         strcat(dir,"/test/");
 111         printf("dir: %s\n",dir);
 112         strcpy(linux_struct.root_path,dir);
 113         strcpy(yaffs_struct.root_path,"yaffs2/test/");
 114
 115
 116         do {
 117                 new_option=getopt_long(argc,argv,short_options,long_options,NULL);
 118                 if (new_option=='h'){
 119                         printf("mirror_tests help\n");
 120                         printf("arguments:\n");
 121                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
 122                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
 123                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 124                         printf("\t-v //verbose mode everything is printed\n");
 125                         printf("\t-q //quiet mode nothing is printed.\n");
 126                         printf("\t-n [number] //sets the number of random tests to run.\n");
 127                         printf("\t-s [number] //seeds rand with the number\n");
 128                         printf("\t-t [number] //sets yaffs_trace to the number\n");
 129                         printf("\t-clean //removes emfile and test dir\n");
 130                         exit(0);
 131                 } else if (new_option=='y'){
 132                         strcpy(yaffs_struct.root_path, optarg);
 133                 } else if (new_option=='l'){
 134                         strcpy(linux_struct.root_path, optarg);
 135                 } else if (new_option=='p'){
 136                         set_print_level(atoi(optarg));
 137                 } else if (new_option=='v'){
 138                         set_print_level(5);
 139                 } else if (new_option=='q'){
 140                         set_print_level(-1);
 141                 } else if (new_option=='n'){
 142                         num_of_random_tests=atoi(optarg);
 143                 } else if (new_option=='s'){
 144                         srand(atoi(argv[x+1]));
 145                 } else if (new_option=='t'){
 146                         yaffs_set_trace(atoi(optarg));
 147                 } else if (new_option=='c'){
 148                         clean_dir();
 149                         exit(0);
 150                 } else if (new_option==-1){
 151
 152                 } else if (new_option=='?') {
 153                         printf("bad argument\n");
 154                         exit(0);
 155                 }
 156
 157         } while(new_option!=-1);
 158         clean_dir();
 159         yaffs_start_up();
 160         print_message(2,"\nmounting yaffs\n");
 161         x=yaffs_mount("yaffs2");
 162         if (x<0) {
 163                 print_message(3,"failed to mount yaffs\n");
 164                 get_error_yaffs();
 165         } else {
 166                 print_message(3,"mounted yaffs\n");
 167         }
 168
 169
 170         print_message(3,"\nmaking linux test dir\n");
 171         x=mkdir(linux_struct.root_path,0777);
 172         if (x<0) {
 173                 print_message(1,"failed to make dir\n");
 174                 get_error_linux();
 175         } else {
 176                 print_message(3,"made dir\n");
 177         }
 178
 179         print_message(3,"\nmaking yaffs test dir\n");
 180         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 181         if (x<0) {
 182                 print_message(1,"failed to make dir\n");
 183                 get_error_yaffs();
 184         } else {
 185                 print_message(3,"made dir\n");
 186         }
 187 }
 188
 189 int run_random_test(int num_of_random_tests)
 190 {
 191         int y=0;
 192         int x=-1;
 193         int id=0;
 194         int test_id=-1;
 195         int num_of_tests_before_check=1;
 196         char message[200];
 197         arg_temp args_struct;
 198         for (y=0;(y*num_of_tests_before_check)<num_of_random_tests;y++){
 199                 for (x=0;x<num_of_tests_before_check && (x+(y*num_of_tests_before_check)<num_of_random_tests);x++) {
 200                         errno=0;
 201                         yaffs_set_error(0);
 202                         test_id = select_test_id(yaffs_tests.num_of_tests);
 203                         sprintf(message,"running test_id %d\n",test_id);
 204                         print_message(3,message);
 205                         generate_random_numbers(&args_struct);
 206                         run_yaffs_test(test_id, &args_struct);
 207
 208                                 //check_mode(&args_struct);
 209
 210                         run_linux_test(test_id, &args_struct);
 211
 212                         if (get_print_level()>=4){
 213                                 get_error_yaffs();
 214                                 get_error_linux();
 215                         }
 216
 217                         if      ((abs(yaffs_get_error())!=abs(errno)) &&
 218                                 (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 219                                 (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)&&
 220                                 (abs(yaffs_get_error())!=EINVAL && abs(errno) != EBADF)
 221                                 ){
 222                                 print_message(2,"\ndifference in returned errors######################################\n");
 223                                 get_error_yaffs();
 224                                 get_error_linux();
 225                                 if (get_exit_on_error()){
 226                                         exit(0);
 227                                 }
 228                         }
 229                 }
 230                 //check_mode(&args_struct);
 231                 compare_linux_and_yaffs(&args_struct);
 232                 //check_mode(&args_struct);
 233
 234         }
 235         compare_linux_and_yaffs(&args_struct);
 236 }
 237
 238 int select_test_id(int test_len)
 239 {
 240         int id=0;
 241         //printf("test_len = %d\n",test_len);
 242         id=(rand() % test_len );
 243         //printf("id %d\n",id);
 244         return id;
 245
 246 }
 247
 248 int check_mode(arg_temp *args_struct)
 249 {
 250         char path[200];
 251         char message[200];
 252         int output=0;
 253
 254         struct yaffs_stat yaffs_stat_struct;
 255         join_paths(yaffs_struct.root_path,args_struct->string1, path );
 256         sprintf(message,"\ntrying to stat to: %s\n",path);
 257         print_message(3,message);
 258         output=yaffs_stat(path,&yaffs_stat_struct);
 259         if (output < 0){
 260                 sprintf(message,"failed to stat the file\n");
 261                 print_message(3,message);
 262                 get_error_yaffs();
 263         } else {
 264                 sprintf(message,"stated the file\n");
 265                 print_message(3,message);
 266                 sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 267                 print_message(3,message);
 268                 sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 269                 print_message(3,message);
 270         }
 271         return 1;
 272 }
 273
 274 int check_mode_file(char *path)
 275 {
 276         char message[200];
 277         int output=0;
 278
 279         struct yaffs_stat yaffs_stat_struct;
 280
 281         sprintf(message,"\ntrying to stat to: %s\n",path);
 282         print_message(3,message);
 283         output=yaffs_stat(path,&yaffs_stat_struct);
 284         if (output < 0){
 285                 sprintf(message,"failed to stat the file\n");
 286                 print_message(3,message);
 287                 get_error_yaffs();
 288         } else {
 289                 sprintf(message,"stated the file\n");
 290                 print_message(3,message);
 291                 sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 292                 print_message(3,message);
 293                 sprintf(message,"mode S_IREAD %d S_IWRITE %d\n\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 294                 print_message(3,message);
 295         }
 296         return 1;
 297 }
 298
 299 int compare_linux_and_yaffs(arg_temp *args_struct)
 300 {
 301         int x=0,y=0;
 302         char l_path[200];
 303         char y_path[200];
 304         char file_name[200];
 305         int exit_bool=0;
 306         int number_of_files_in_yaffs=0;
 307         int number_of_files_in_linux=0;
 308         char message[200];
 309         char **yaffs_file_list=NULL;
 310         char **linux_file_list=NULL;
 311
 312         struct yaffs_stat yaffs_stat_struct;
 313         struct stat linux_stat_struct;
 314         yaffs_DIR *yaffs_open_dir;
 315         struct yaffs_dirent *yaffs_current_file;
 316
 317         DIR *linux_open_dir;
 318         struct dirent *linux_current_file;
 319
 320         l_path[0]='\0';
 321         y_path[0]='\0';
 322         file_name[0]='\0';
 323         message[0]='\0';
 324         print_message(2,"\n\n\n comparing folders\n");
 325 //      check_mode_file("yaffs2/test/YY");
 326         //find out the number of files in the directory
 327         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 328         if (yaffs_open_dir) {
 329                 for (x=0;yaffs_readdir(yaffs_open_dir);x++){}
 330                 number_of_files_in_yaffs=x;
 331                 sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
 332                 print_message(2,message);
 333                 yaffs_rewinddir(yaffs_open_dir);
 334         } else {
 335                 print_message(3,"failed to open yaffs test dir\n");
 336         }
 337         //create array
 338         yaffs_file_list= (char **)malloc(x*sizeof(char*));
 339         for (x=0;x<number_of_files_in_yaffs;x++) {
 340                 yaffs_file_list[x]=malloc(200);
 341         }
 342
 343         //check_mode_file("yaffs2/test/YY");
 344         //copy file names into array
 345         if (yaffs_open_dir){
 346                 yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 347                 for (x=0 ;yaffs_current_file;x++)
 348                 {
 349                         printf("x= %d \n",x);
 350                         printf("yaffs_current_file->d_name = %s\n",yaffs_current_file->d_name);
 351                         if (yaffs_current_file){
 352                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 353
 354                         }
 355                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 356                 }
 357                 yaffs_closedir(yaffs_open_dir);
 358         } else {
 359                 print_message(3,"failed to populate yaffs test list\n");
 360         }
 361
 362
 363         //find out the number of files in the directory
 364         linux_open_dir = opendir(linux_struct.root_path);
 365         if (linux_open_dir){
 366                 for (x=0;readdir(linux_open_dir);x++){}
 367                 number_of_files_in_linux=(x-2);
 368                 sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
 369                 print_message(2,message);
 370                 //the -2 is because linux shows 2 extra files which are automaticly created.
 371
 372                 rewinddir(linux_open_dir);
 373         } else {
 374                 print_message(3,"failed to open linux test dir\n");
 375         }
 376
 377         //create array
 378         linux_file_list= (char **)malloc(number_of_files_in_linux*sizeof(char*));
 379
 380         for (x=0;x<number_of_files_in_linux;x++) {
 381                 linux_file_list[x]=malloc(200);
 382         }
 383
 384         //check_mode_file("yaffs2/test/YY");
 385         //copy file names into array
 386         if (linux_open_dir){
 387                 linux_current_file =readdir(linux_open_dir);
 388                 for (x=0, y=0 ;linux_current_file;x++)
 389                 {
 390
 391                         if (linux_current_file){
 392                                 strcpy(message,linux_current_file->d_name);
 393                                 print_message(7,"opened file: ");
 394                                 print_message(7,message);
 395                                 print_message(7,"\n");
 396                         }
 397                         if (linux_current_file &&
 398                                 0!=strcmp(message,".")&&
 399                                 0!=strcmp(message,"..")){
 400                                 strcpy(file_name,linux_current_file->d_name);
 401                                 //sprintf("file opened: %s\n",linux_current_file->d_name);
 402                                 //print_message(3,message);
 403                                 print_message(7,"added file to list\n");
 404                                 strcpy(linux_file_list[y],file_name);
 405                                 sprintf(message,"file added to list: %s\n",linux_file_list[y]);
 406                                 print_message(7,message);
 407                                 y++;
 408                         }
 409                         linux_current_file =readdir(linux_open_dir);
 410                 }
 411                 closedir(linux_open_dir);
 412         } else {
 413                 print_message(3,"failed to populate linux test dir\n");
 414         }
 415
 416
 417         //match the files in both folders
 418         for (x=0;x<number_of_files_in_yaffs;x++){
 419                 sprintf(message,"\nsearching for yaffs file: %s\n",yaffs_file_list[x]);
 420                 print_message(3,message);
 421                 for (y=0;y<number_of_files_in_linux;y++){
 422                         sprintf(message,"comparing to linux file: %s\n",linux_file_list[y]);
 423                         print_message(7,message);
 424
 425                         if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
 426                                 sprintf(message,"file matched: %s\n",linux_file_list[y]);
 427                                 print_message(3,message);
 428                                 //check that the modes of both files are the same
 429                                 join_paths(yaffs_struct.root_path,yaffs_file_list[x],y_path);
 430                                 join_paths(linux_struct.root_path,linux_file_list[y],l_path);
 431                                 if (yaffs_stat(y_path,&yaffs_stat_struct)>=0&&
 432                                 stat(l_path,&linux_stat_struct)>=0){
 433                                         sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 434                                         print_message(3,message);
 435                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 436                                         print_message(3,message);
 437                                         sprintf(message," linux file mode is %d\n",(linux_stat_struct.st_mode & (S_IREAD|S_IWRITE)));
 438                                         print_message(3,message);
 439                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(linux_stat_struct.st_mode & S_IREAD),(linux_stat_struct.st_mode & S_IWRITE));
 440                                         print_message(3,message);
 441                                         if ((yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE))==
 442                                         ( linux_stat_struct.st_mode & (S_IREAD|S_IWRITE))){
 443                                                 print_message(2,"file modes match\n");
 444                                         } else {
 445                                                 print_message(2,"file modes do not match\n");
 446                                                 exit_bool=1;
 447                                         }
 448                                         linux_file_list[y][0]=NULL;
 449                                         yaffs_file_list[x][0]=NULL;
 450                                 } else {
 451                                         print_message(2,"failed to stat one of the files\n");
 452                                         get_error_yaffs();
 453                                         get_error_linux();
 454                                 }
 455
 456                                 //read file contents
 457
 458
 459                                 break;
 460                         }
 461                 }
 462         }
 463
 464         //print remaining files
 465         for (x=0;x<number_of_files_in_linux;x++){
 466                 if (linux_file_list[x][0]){
 467                         sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
 468                         print_message(2,message);
 469                         exit_bool=1;
 470                 }
 471         }
 472         for (x=0;x<number_of_files_in_yaffs;x++){
 473                 if (yaffs_file_list[x][0]){
 474                         sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
 475                         print_message(2,message);
 476                         exit_bool=1;
 477                 }
 478         }
 479         if (exit_bool==1&& get_exit_on_error()==1){
 480                 print_message(2,"exiting program\n");
 481                 exit(0);
 482         }
 483
 484         for (x=0;x<number_of_files_in_yaffs;x++) {
 485                 free(yaffs_file_list[x]);
 486         }
 487         free(yaffs_file_list);
 488
 489         for (x=0;x<number_of_files_in_linux;x++) {
 490                 free(linux_file_list[x]);
 491         }
 492         free(linux_file_list);
 493
 494
 495         //printf("file_name %s\n", yaffs_current_file->d_name);
 496 //      generate_array_of_objects_in_yaffs();
 497 //      generate_array_of_objects_in_linux();
 498         //first do a check to see if both sides have the same objects on both sides.
 499         //then stat all of the files and compare size and mode
 500         //read the text of each file and compare them.
 501
 502         //show the diffrences by printing them.
 503         return 1;
 504
 505 }
 506
 507 void generate_random_numbers(arg_temp *args_struct)
 508 {
 509         char string[51];
 510         args_struct->char1= (rand() % 255);
 511         args_struct->char2= (rand() % 255);
 512         args_struct->int1= (rand() % 100000);
 513         args_struct->int2= (rand() % 100000);
 514         generate_random_string(string,50);
 515         strcpy(args_struct->string1, string);
 516         generate_random_string(string,50);
 517         strcpy(args_struct->string2, string);
 518 }
 519
 520 void run_yaffs_test(int id,arg_temp *args_struct)
 521 {
 522         char message[200];
 523         int output =0;
 524         print_message(3,"\n");
 525         //printf("id = %d\n",id);
 526         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 527         print_message(3,message);
 528         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 529         if (output<0) {
 530                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 531                 print_message(3,message);
 532         } else {
 533                 print_message(3,"test_passed\n");
 534         }
 535 }
 536
 537 void run_linux_test(int id,arg_temp *args_struct)
 538 {
 539         char message[200];
 540         int output =0;
 541         print_message(3,"\n");
 542         //printf("id = %d\n",id);
 543         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 544         print_message(3,message);
 545         output=linux_tests.test_list[id].test_pointer(args_struct);
 546         if (output<0) {
 547                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 548                 print_message(3,message);
 549         } else {
 550                 print_message(3,"test_passed\n");
 551         }
 552 }
 553
 554
 555 void clean_dir(void)
 556 {
 557         char string[200];
 558         char file[200];
 559         char message[200];
 560         DIR *linux_open_dir;
 561         struct dirent *linux_current_file;
 562         int x=0,output=0;
 563
 564         getcwd(string,200);
 565         strcat(string,"/emfile-2k-0");
 566         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 567         print_message(3,message);
 568         unlink(string);
 569
 570
 571         linux_open_dir = opendir(linux_struct.root_path);
 572         if (linux_open_dir){
 573
 574                 do
 575                 {
 576
 577                         linux_current_file =readdir(linux_open_dir);
 578                         if (NULL!=linux_current_file){
 579
 580                                 strcpy(file,linux_struct.root_path);
 581                                 strcat(file,linux_current_file->d_name);
 582                                 sprintf(message,"unlinking file %s\n",file);
 583                                 print_message(3,message);
 584                                 print_message(3,"chmoding file\n");
 585                                 output=chmod(file,(S_IRUSR|S_IWUSR));
 586                                 if (output<0) {
 587                                         get_error_linux();
 588                                 }
 589                                 print_message(3,"unlinking file\n");
 590                                 output=unlink(file);
 591                                 if (output<0) {
 592                                         get_error_linux();
 593                                 }
 594                         }
 595                 } while(linux_current_file);
 596                 closedir(linux_open_dir);
 597                 rmdir(linux_struct.root_path);
 598         }
 599
 600 }