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) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Timothy Manning <timothy@yaffs.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include "mirror_tests.h"
  15
  16 int random_seed;
  17 int simulate_power_failure = 0;
  18
  19 int num_of_random_tests=1;
  20
  21
  22
  23 typedef struct test_list_temp2{
  24         char *test_name;
  25         int (*test_pointer)(arg_temp *args_struct);
  26 }test_list_temp;
  27
  28 typedef struct test_temp2 {
  29         int num_of_tests;
  30         test_list_temp test_list[];
  31 }test_temp;
  32
  33 test_temp yaffs_tests={
  34         4,
  35         {{"yaffs_test_open",yaffs_test_open},
  36         {"yaffs_test_truncate",yaffs_test_truncate},
  37         {"yaffs_test_unlink",yaffs_test_unlink},
  38         {"yaffs_test_write",yaffs_test_write}
  39         }
  40 };
  41
  42 test_temp linux_tests={
  43         4,
  44         {{"linux_test_open",linux_test_open},
  45         {"linux_test_truncate",linux_test_truncate},
  46         {"linux_test_unlink",linux_test_unlink},
  47         {"linux_test_write",linux_test_write}
  48         }
  49 };
  50
  51 const struct option long_options[]={
  52         {"help",        0,NULL,'h'},
  53         {"yaffs_path",  1,NULL,'y'},
  54         {"linux_path",  1,NULL,'l'},
  55         {"print_level", 1,NULL,'p'},
  56         {"quiet",       0,NULL,'q'},
  57         {"number",      1,NULL,'n'},
  58         {"seed",        1,NULL,'s'},
  59         {"trace",       1,NULL,'t'},
  60         {"clean",       0,NULL,'c'},
  61         {"verbose",     0,NULL,'v'}
  62 };
  63
  64 const char short_options[]="hy:l:p:qn:s:t:cv";
  65
  66
  67 int main(int argc, char *argv[])
  68 {
  69         char message[100];
  70
  71 //      yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
  72 //      linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
  73
  74         init(argc,argv);
  75         print_message(1,"running mirror_tests\n");
  76         sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
  77         print_message(3,message);
  78         sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
  79         print_message(3,message);
  80         sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
  81         print_message(3,message);
  82         sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
  83         print_message(3,message);
  84
  85         run_random_test(num_of_random_tests);
  86         //compare_linux_and_yaffs();
  87         yaffs_unmount("yaffs2");
  88         return 0;
  89 }
  90
  91 void init(int argc, char *argv[])
  92 {
  93         char dir[200];
  94         dir[0]='\0';
  95         int x=-1;
  96         char message[100];
  97         int new_option;
  98
  99         x=(unsigned)time(NULL);
 100         sprintf(message,"seeding srand with: %d\n",x);
 101         print_message(2,message);
 102         srand(x);
 103         yaffs_set_trace(0);
 104         linux_struct.type_of_test =LINUX;
 105         yaffs_struct.type_of_test =YAFFS;
 106
 107         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
 108         print_message(3,message);
 109         strcpy(dir,getcwd(dir,200));
 110
 111         strcat(dir,"/test/");
 112         printf("dir: %s\n",dir);
 113         strcpy(linux_struct.root_path,dir);
 114         strcpy(yaffs_struct.root_path,"yaffs2/test/");
 115
 116
 117         do {
 118                 new_option=getopt_long(argc,argv,short_options,long_options,NULL);
 119                 if (new_option=='h'){
 120                         printf("mirror_tests help\n");
 121                         printf("arguments:\n");
 122                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
 123                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
 124                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 125                         printf("\t-v //verbose mode everything is printed\n");
 126                         printf("\t-q //quiet mode nothing is printed.\n");
 127                         printf("\t-n [number] //sets the number of random tests to run.\n");
 128                         printf("\t-s [number] //seeds rand with the number\n");
 129                         printf("\t-t [number] //sets yaffs_trace to the number\n");
 130                         printf("\t-clean //removes emfile and test dir\n");
 131                         exit(0);
 132                 } else if (new_option=='y'){
 133                         strcpy(yaffs_struct.root_path, optarg);
 134                 } else if (new_option=='l'){
 135                         strcpy(linux_struct.root_path, optarg);
 136                 } else if (new_option=='p'){
 137                         set_print_level(atoi(optarg));
 138                 } else if (new_option=='v'){
 139                         set_print_level(5);
 140                 } else if (new_option=='q'){
 141                         set_print_level(-1);
 142                 } else if (new_option=='n'){
 143                         num_of_random_tests=atoi(optarg);
 144                 } else if (new_option=='s'){
 145                         srand(atoi(argv[x+1]));
 146                 } else if (new_option=='t'){
 147                         yaffs_set_trace(atoi(optarg));
 148                 } else if (new_option=='c'){
 149                         clean_dir();
 150                         exit(0);
 151                 } else if (new_option==-1){
 152
 153                 } else if (new_option=='?') {
 154                         printf("bad argument\n");
 155                         exit(0);
 156                 }
 157
 158         } while(new_option!=-1);
 159         clean_dir();
 160         yaffs_start_up();
 161         print_message(2,"\nmounting yaffs\n");
 162         x=yaffs_mount("yaffs2");
 163         if (x<0) {
 164                 print_message(3,"failed to mount yaffs\n");
 165                 get_error_yaffs();
 166         } else {
 167                 print_message(3,"mounted yaffs\n");
 168         }
 169
 170
 171         print_message(3,"\nmaking linux test dir\n");
 172         x=mkdir(linux_struct.root_path,0777);
 173         if (x<0) {
 174                 print_message(1,"failed to make dir\n");
 175                 get_error_linux();
 176         } else {
 177                 print_message(3,"made dir\n");
 178         }
 179
 180         print_message(3,"\nmaking yaffs test dir\n");
 181         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 182         if (x<0) {
 183                 print_message(1,"failed to make dir\n");
 184                 get_error_yaffs();
 185         } else {
 186                 print_message(3,"made dir\n");
 187         }
 188 }
 189
 190 int run_random_test(int num_of_random_tests)
 191 {
 192         int y=0;
 193         int x=-1;
 194         int id=0;
 195         int test_id=-1;
 196         int num_of_tests_before_check=1;
 197         char message[200];
 198         arg_temp args_struct;
 199         for (y=0;(y*num_of_tests_before_check)<num_of_random_tests;y++){
 200                 for (x=0;x<num_of_tests_before_check && (x+(y*num_of_tests_before_check)<num_of_random_tests);x++) {
 201                         errno=0;
 202                         yaffs_set_error(0);
 203                         test_id = select_test_id(yaffs_tests.num_of_tests);
 204                         sprintf(message,"running test_id %d\n",test_id);
 205                         print_message(3,message);
 206                         generate_random_numbers(&args_struct);
 207                         run_yaffs_test(test_id, &args_struct);
 208
 209                                 //check_mode(&args_struct);
 210
 211                         run_linux_test(test_id, &args_struct);
 212
 213                         if (get_print_level()>=4){
 214                                 get_error_yaffs();
 215                                 get_error_linux();
 216                         }
 217
 218                         if      ((abs(yaffs_get_error())!=abs(errno)) &&
 219                                 (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 220                                 (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)&&
 221                                 (abs(yaffs_get_error())!=EINVAL && abs(errno) != EBADF)
 222                                 ){
 223                                 print_message(2,"\ndifference in returned errors######################################\n");
 224                                 get_error_yaffs();
 225                                 get_error_linux();
 226                                 if (get_exit_on_error()){
 227                                         exit(0);
 228                                 }
 229                         }
 230                 }
 231                 //check_mode(&args_struct);
 232                 compare_linux_and_yaffs(&args_struct);
 233                 //check_mode(&args_struct);
 234
 235         }
 236         compare_linux_and_yaffs(&args_struct);
 237 }
 238
 239 int select_test_id(int test_len)
 240 {
 241         int id=0;
 242         //printf("test_len = %d\n",test_len);
 243         id=(rand() % test_len );
 244         //printf("id %d\n",id);
 245         return id;
 246
 247 }
 248
 249 int check_mode(arg_temp *args_struct)
 250 {
 251         char path[200];
 252         char message[200];
 253         int output=0;
 254
 255         struct yaffs_stat yaffs_stat_struct;
 256         join_paths(yaffs_struct.root_path,args_struct->string1, path );
 257         sprintf(message,"\ntrying to stat to: %s\n",path);
 258         print_message(3,message);
 259         output=yaffs_stat(path,&yaffs_stat_struct);
 260         if (output < 0){
 261                 sprintf(message,"failed to stat the file\n");
 262                 print_message(3,message);
 263                 get_error_yaffs();
 264         } else {
 265                 sprintf(message,"stated the file\n");
 266                 print_message(3,message);
 267                 sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 268                 print_message(3,message);
 269                 sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 270                 print_message(3,message);
 271         }
 272         return 1;
 273 }
 274
 275 int check_mode_file(char *path)
 276 {
 277         char message[200];
 278         int output=0;
 279
 280         struct yaffs_stat yaffs_stat_struct;
 281
 282         sprintf(message,"\ntrying to stat to: %s\n",path);
 283         print_message(3,message);
 284         output=yaffs_stat(path,&yaffs_stat_struct);
 285         if (output < 0){
 286                 sprintf(message,"failed to stat the file\n");
 287                 print_message(3,message);
 288                 get_error_yaffs();
 289         } else {
 290                 sprintf(message,"stated the file\n");
 291                 print_message(3,message);
 292                 sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 293                 print_message(3,message);
 294                 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));
 295                 print_message(3,message);
 296         }
 297         return 1;
 298 }
 299
 300 int compare_linux_and_yaffs(arg_temp *args_struct)
 301 {
 302         int x=0,y=0;
 303         char l_path[200];
 304         char y_path[200];
 305         char file_name[200];
 306         int exit_bool=0;
 307         int number_of_files_in_yaffs=0;
 308         int number_of_files_in_linux=0;
 309         char message[200];
 310         char **yaffs_file_list=NULL;
 311         char **linux_file_list=NULL;
 312
 313         struct yaffs_stat yaffs_stat_struct;
 314         struct stat linux_stat_struct;
 315         yaffs_DIR *yaffs_open_dir;
 316         yaffs_dirent *yaffs_current_file;
 317
 318         DIR *linux_open_dir;
 319         struct dirent *linux_current_file;
 320
 321         l_path[0]='\0';
 322         y_path[0]='\0';
 323         file_name[0]='\0';
 324         message[0]='\0';
 325         print_message(2,"\n\n\n comparing folders\n");
 326 //      check_mode_file("yaffs2/test/YY");
 327         //find out the number of files in the directory
 328         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 329         if (yaffs_open_dir) {
 330                 for (x=0;yaffs_readdir(yaffs_open_dir);x++){}
 331                 number_of_files_in_yaffs=x;
 332                 sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
 333                 print_message(2,message);
 334                 yaffs_rewinddir(yaffs_open_dir);
 335         } else {
 336                 print_message(3,"failed to open yaffs test dir\n");
 337         }
 338         //create array
 339         yaffs_file_list= (char **)malloc(x*sizeof(char*));
 340         for (x=0;x<number_of_files_in_yaffs;x++) {
 341                 yaffs_file_list[x]=malloc(200);
 342         }
 343
 344         //check_mode_file("yaffs2/test/YY");
 345         //copy file names into array
 346         if (yaffs_open_dir){
 347                 yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 348                 for (x=0 ;yaffs_current_file;x++)
 349                 {
 350                         printf("x= %d \n",x);
 351                         printf("yaffs_current_file->d_name = %s\n",yaffs_current_file->d_name);
 352                         if (yaffs_current_file){
 353                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 354
 355                         }
 356                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 357                 }
 358                 yaffs_closedir(yaffs_open_dir);
 359         } else {
 360                 print_message(3,"failed to populate yaffs test list\n");
 361         }
 362
 363
 364         //find out the number of files in the directory
 365         linux_open_dir = opendir(linux_struct.root_path);
 366         if (linux_open_dir){
 367                 for (x=0;readdir(linux_open_dir);x++){}
 368                 number_of_files_in_linux=(x-2);
 369                 sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
 370                 print_message(2,message);
 371                 //the -2 is because linux shows 2 extra files which are automaticly created.
 372
 373                 rewinddir(linux_open_dir);
 374         } else {
 375                 print_message(3,"failed to open linux test dir\n");
 376         }
 377
 378         //create array
 379         linux_file_list= (char **)malloc(number_of_files_in_linux*sizeof(char*));
 380
 381         for (x=0;x<number_of_files_in_linux;x++) {
 382                 linux_file_list[x]=malloc(200);
 383         }
 384
 385         //check_mode_file("yaffs2/test/YY");
 386         //copy file names into array
 387         if (linux_open_dir){
 388                 linux_current_file =readdir(linux_open_dir);
 389                 for (x=0, y=0 ;linux_current_file;x++)
 390                 {
 391
 392                         if (linux_current_file){
 393                                 strcpy(message,linux_current_file->d_name);
 394                                 print_message(7,"opened file: ");
 395                                 print_message(7,message);
 396                                 print_message(7,"\n");
 397                         }
 398                         if (linux_current_file &&
 399                                 0!=strcmp(message,".")&&
 400                                 0!=strcmp(message,"..")){
 401                                 strcpy(file_name,linux_current_file->d_name);
 402                                 //sprintf("file opened: %s\n",linux_current_file->d_name);
 403                                 //print_message(3,message);
 404                                 print_message(7,"added file to list\n");
 405                                 strcpy(linux_file_list[y],file_name);
 406                                 sprintf(message,"file added to list: %s\n",linux_file_list[y]);
 407                                 print_message(7,message);
 408                                 y++;
 409                         }
 410                         linux_current_file =readdir(linux_open_dir);
 411                 }
 412                 closedir(linux_open_dir);
 413         } else {
 414                 print_message(3,"failed to populate linux test dir\n");
 415         }
 416
 417
 418         //match the files in both folders
 419         for (x=0;x<number_of_files_in_yaffs;x++){
 420                 sprintf(message,"\nsearching for yaffs file: %s\n",yaffs_file_list[x]);
 421                 print_message(3,message);
 422                 for (y=0;y<number_of_files_in_linux;y++){
 423                         sprintf(message,"comparing to linux file: %s\n",linux_file_list[y]);
 424                         print_message(7,message);
 425
 426                         if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
 427                                 sprintf(message,"file matched: %s\n",linux_file_list[y]);
 428                                 print_message(3,message);
 429                                 //check that the modes of both files are the same
 430                                 join_paths(yaffs_struct.root_path,yaffs_file_list[x],y_path);
 431                                 join_paths(linux_struct.root_path,linux_file_list[y],l_path);
 432                                 if (yaffs_stat(y_path,&yaffs_stat_struct)>=0&&
 433                                 stat(l_path,&linux_stat_struct)>=0){
 434                                         sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 435                                         print_message(3,message);
 436                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 437                                         print_message(3,message);
 438                                         sprintf(message," linux file mode is %d\n",(linux_stat_struct.st_mode & (S_IREAD|S_IWRITE)));
 439                                         print_message(3,message);
 440                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(linux_stat_struct.st_mode & S_IREAD),(linux_stat_struct.st_mode & S_IWRITE));
 441                                         print_message(3,message);
 442                                         if ((yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE))==
 443                                         ( linux_stat_struct.st_mode & (S_IREAD|S_IWRITE))){
 444                                                 print_message(2,"file modes match\n");
 445                                         } else {
 446                                                 print_message(2,"file modes do not match\n");
 447                                                 exit_bool=1;
 448                                         }
 449                                         linux_file_list[y][0]=NULL;
 450                                         yaffs_file_list[x][0]=NULL;
 451                                 } else {
 452                                         print_message(2,"failed to stat one of the files\n");
 453                                         get_error_yaffs();
 454                                         get_error_linux();
 455                                 }
 456
 457                                 //read file contents
 458
 459
 460                                 break;
 461                         }
 462                 }
 463         }
 464
 465         //print remaining files
 466         for (x=0;x<number_of_files_in_linux;x++){
 467                 if (linux_file_list[x][0]){
 468                         sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
 469                         print_message(2,message);
 470                         exit_bool=1;
 471                 }
 472         }
 473         for (x=0;x<number_of_files_in_yaffs;x++){
 474                 if (yaffs_file_list[x][0]){
 475                         sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
 476                         print_message(2,message);
 477                         exit_bool=1;
 478                 }
 479         }
 480         if (exit_bool==1&& get_exit_on_error()==1){
 481                 print_message(2,"exiting program\n");
 482                 exit(0);
 483         }
 484
 485         for (x=0;x<number_of_files_in_yaffs;x++) {
 486                 free(yaffs_file_list[x]);
 487         }
 488         free(yaffs_file_list);
 489
 490         for (x=0;x<number_of_files_in_linux;x++) {
 491                 free(linux_file_list[x]);
 492         }
 493         free(linux_file_list);
 494
 495
 496         //printf("file_name %s\n", yaffs_current_file->d_name);
 497 //      generate_array_of_objects_in_yaffs();
 498 //      generate_array_of_objects_in_linux();
 499         //first do a check to see if both sides have the same objects on both sides.
 500         //then stat all of the files and compare size and mode
 501         //read the text of each file and compare them.
 502
 503         //show the diffrences by printing them.
 504         return 1;
 505
 506 }
 507
 508 void generate_random_numbers(arg_temp *args_struct)
 509 {
 510         char string[51];
 511         args_struct->char1= (rand() % 255);
 512         args_struct->char2= (rand() % 255);
 513         args_struct->int1= (rand() % 100000);
 514         args_struct->int2= (rand() % 100000);
 515         generate_random_string(string,50);
 516         strcpy(args_struct->string1, string);
 517         generate_random_string(string,50);
 518         strcpy(args_struct->string2, string);
 519 }
 520
 521 void run_yaffs_test(int id,arg_temp *args_struct)
 522 {
 523         char message[200];
 524         int output =0;
 525         print_message(3,"\n");
 526         //printf("id = %d\n",id);
 527         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 528         print_message(3,message);
 529         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 530         if (output<0) {
 531                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 532                 print_message(3,message);
 533         } else {
 534                 print_message(3,"test_passed\n");
 535         }
 536 }
 537
 538 void run_linux_test(int id,arg_temp *args_struct)
 539 {
 540         char message[200];
 541         int output =0;
 542         print_message(3,"\n");
 543         //printf("id = %d\n",id);
 544         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 545         print_message(3,message);
 546         output=linux_tests.test_list[id].test_pointer(args_struct);
 547         if (output<0) {
 548                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 549                 print_message(3,message);
 550         } else {
 551                 print_message(3,"test_passed\n");
 552         }
 553 }
 554
 555
 556 void clean_dir(void)
 557 {
 558         char string[200];
 559         char file[200];
 560         char message[200];
 561         DIR *linux_open_dir;
 562         struct dirent *linux_current_file;
 563         int x=0,output=0;
 564
 565         getcwd(string,200);
 566         strcat(string,"/emfile-2k-0");
 567         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 568         print_message(3,message);
 569         unlink(string);
 570
 571
 572         linux_open_dir = opendir(linux_struct.root_path);
 573         if (linux_open_dir){
 574
 575                 do
 576                 {
 577
 578                         linux_current_file =readdir(linux_open_dir);
 579                         if (NULL!=linux_current_file){
 580
 581                                 strcpy(file,linux_struct.root_path);
 582                                 strcat(file,linux_current_file->d_name);
 583                                 sprintf(message,"unlinking file %s\n",file);
 584                                 print_message(3,message);
 585                                 print_message(3,"chmoding file\n");
 586                                 output=chmod(file,(S_IRUSR|S_IWUSR));
 587                                 if (output<0) {
 588                                         get_error_linux();
 589                                 }
 590                                 print_message(3,"unlinking file\n");
 591                                 output=unlink(file);
 592                                 if (output<0) {
 593                                         get_error_linux();
 594                                 }
 595                         }
 596                 } while(linux_current_file);
 597                 closedir(linux_open_dir);
 598                 rmdir(linux_struct.root_path);
 599         }
 600
 601 }