direct/timothy_tests/mirror_tests/mirror_tests.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2010 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
  52 int main(int argc, char *argv[])
  53 {
  54         char message[100];
  55         int x;
  56 //      yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
  57 //      linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
  58
  59         init(argc,argv);
  60         print_message(1,"running mirror_tests\n");
  61         sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
  62         print_message(3,message);
  63         sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
  64         print_message(3,message);
  65         sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
  66         print_message(3,message);
  67         sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
  68         print_message(3,message);
  69
  70         run_random_test(num_of_random_tests);
  71         //compare_linux_and_yaffs();
  72         yaffs_unmount("yaffs2");
  73         return 0;
  74 }
  75
  76 void init(int argc, char *argv[])
  77 {
  78         char dir[200];
  79         dir[0]='\0';
  80         int x=-1;
  81         char message[100];
  82
  83         x=(unsigned)time(NULL);
  84         sprintf(message,"seeding srand with: %d\n",x);
  85         print_message(2,message);
  86         srand(x);
  87         yaffs_set_trace(0);
  88         linux_struct.type_of_test =LINUX;
  89         yaffs_struct.type_of_test =YAFFS;
  90
  91         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
  92         print_message(3,message);
  93         strcpy(dir,getcwd(dir,200));
  94
  95         strcat(dir,"/test/");
  96         printf("dir: %s\n",dir);
  97         strcpy(linux_struct.root_path,dir);
  98         strcpy(yaffs_struct.root_path,"yaffs2/test/");
  99
 100
 101         for (x=0;x<argc;x++){
 102                 if (strcmp(argv[x],"-h")==0){
 103                         printf("mirror_tests help\n");
 104                         printf("arguments:\n");
 105                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
 106                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
 107                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 108                         printf("\t-v //verbose mode everything is printed\n");
 109                         printf("\t-q //quiet mode nothing is printed.\n");
 110                         printf("\t-n [number] //sets the number of random tests to run.\n");
 111                         printf("\t-s [number] //seeds rand with the number\n");
 112                         printf("\t-t [number] //sets yaffs_trace to the number\n");
 113                         printf("\t-clean //removes emfile and test dir\n");
 114                         exit(0);
 115                 } else if (strcmp(argv[x],"-yaffs_path")==0){
 116                         strcpy(yaffs_struct.root_path, argv[x+1]);
 117                 } else if (strcmp(argv[x],"-linux_path")==0){
 118                         strcpy(linux_struct.root_path, argv[x+1]);
 119                 } else if (strcmp(argv[x],"-p")==0){
 120                         set_print_level(atoi(argv[x+1]));
 121                 } else if (strcmp(argv[x],"-v")==0){
 122                         set_print_level(5);
 123                 } else if (strcmp(argv[x],"-q")==0){
 124                         set_print_level(-1);
 125                 } else if (strcmp(argv[x],"-n")==0){
 126                         num_of_random_tests=atoi(argv[x+1]);
 127                 } else if (strcmp(argv[x],"-s")==0){
 128                         srand(atoi(argv[x+1]));
 129                 } else if (strcmp(argv[x],"-t")==0){
 130                         yaffs_set_trace(atoi(argv[x+1]));
 131                 } else if (strcmp(argv[x],"-clean")==0){
 132                         clean_dir();
 133                         exit(0);
 134                 }
 135         }
 136         clean_dir();
 137         yaffs_start_up();
 138         print_message(2,"\nmounting yaffs\n");
 139         x=yaffs_mount("yaffs2");
 140         if (x<0) {
 141                 print_message(3,"failed to mount yaffs\n");
 142                 get_error_yaffs();
 143         } else {
 144                 print_message(3,"mounted yaffs\n");
 145         }
 146
 147
 148         print_message(3,"\nmaking linux test dir\n");
 149         x=mkdir(linux_struct.root_path,0777);
 150         if (x<0) {
 151                 print_message(1,"failed to make dir\n");
 152                 get_error_linux();
 153         } else {
 154                 print_message(3,"made dir\n");
 155         }
 156
 157         print_message(3,"\nmaking yaffs test dir\n");
 158         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 159         if (x<0) {
 160                 print_message(1,"failed to make dir\n");
 161                 get_error_yaffs();
 162         } else {
 163                 print_message(3,"made dir\n");
 164         }
 165 }
 166
 167 int run_random_test(int num_of_random_tests)
 168 {
 169         int y=0;
 170         int x=-1;
 171         int id=0;
 172         int test_id=-1;
 173         int num_of_tests_before_check=1;
 174         char message[200];
 175         arg_temp args_struct;
 176         for (y=0;(y*num_of_tests_before_check)<num_of_random_tests;y++){
 177                 for (x=0;x<num_of_tests_before_check && (x+(y*num_of_tests_before_check)<num_of_random_tests);x++) {
 178                         errno=0;
 179                         yaffs_set_error(0);
 180                         test_id = select_test_id(yaffs_tests.num_of_tests);
 181                         sprintf(message,"running test_id %d\n",test_id);
 182                         print_message(3,message);
 183                         generate_random_numbers(&args_struct);
 184                         run_yaffs_test(test_id, &args_struct);
 185
 186                                 //check_mode(&args_struct);
 187
 188                         run_linux_test(test_id, &args_struct);
 189
 190                         if (get_print_level()>=4){
 191                                 get_error_yaffs();
 192                                 get_error_linux();
 193                         }
 194
 195                         if      ((abs(yaffs_get_error())!=abs(errno)) &&
 196                                 (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 197                                 (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)&&
 198                                 (abs(yaffs_get_error())!=EINVAL && abs(errno) != EBADF)
 199                                 ){
 200                                 print_message(2,"\ndifference in returned errors######################################\n");
 201                                 get_error_yaffs();
 202                                 get_error_linux();
 203                                 if (get_exit_on_error()){
 204                                         exit(0);
 205                                 }
 206                         }
 207                 }
 208                 //check_mode(&args_struct);
 209                 compare_linux_and_yaffs(&args_struct);
 210                 //check_mode(&args_struct);
 211
 212         }
 213         compare_linux_and_yaffs(&args_struct);
 214 }
 215
 216 int select_test_id(int test_len)
 217 {
 218         int id=0;
 219         //printf("test_len = %d\n",test_len);
 220         id=(rand() % test_len );
 221         //printf("id %d\n",id);
 222         return id;
 223
 224 }
 225
 226 int check_mode(arg_temp *args_struct)
 227 {
 228         char path[200];
 229         char message[200];
 230         int output=0;
 231
 232         struct yaffs_stat yaffs_stat_struct;
 233         join_paths(yaffs_struct.root_path,args_struct->string1, path );
 234         sprintf(message,"\ntrying to stat to: %s\n",path);
 235         print_message(3,message);
 236         output=yaffs_stat(path,&yaffs_stat_struct);
 237         if (output < 0){
 238                 sprintf(message,"failed to stat the file\n");
 239                 print_message(3,message);
 240                 get_error_yaffs();
 241         } else {
 242                 sprintf(message,"stated the file\n");
 243                 print_message(3,message);
 244                 sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 245                 print_message(3,message);
 246                 sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 247                 print_message(3,message);
 248         }
 249         return 1;
 250 }
 251
 252 int check_mode_file(char *path)
 253 {
 254         char message[200];
 255         int output=0;
 256
 257         struct yaffs_stat yaffs_stat_struct;
 258
 259         sprintf(message,"\ntrying to stat to: %s\n",path);
 260         print_message(3,message);
 261         output=yaffs_stat(path,&yaffs_stat_struct);
 262         if (output < 0){
 263                 sprintf(message,"failed to stat the file\n");
 264                 print_message(3,message);
 265                 get_error_yaffs();
 266         } else {
 267                 sprintf(message,"stated the file\n");
 268                 print_message(3,message);
 269                 sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 270                 print_message(3,message);
 271                 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));
 272                 print_message(3,message);
 273         }
 274         return 1;
 275 }
 276
 277 int compare_linux_and_yaffs(arg_temp *args_struct)
 278 {
 279         int x=0,y=0;
 280         char l_path[200];
 281         char y_path[200];
 282         int exit_bool=0;
 283         int number_of_files_in_yaffs=0;
 284         int number_of_files_in_linux=0;
 285         char message[200];
 286
 287         struct yaffs_stat yaffs_stat_struct;
 288         struct stat linux_stat_struct;
 289         yaffs_DIR *yaffs_open_dir;
 290         yaffs_dirent *yaffs_current_file;
 291
 292         DIR *linux_open_dir;
 293         struct dirent *linux_current_file;
 294
 295         print_message(2,"\n\n\n comparing folders\n");
 296 //      check_mode_file("yaffs2/test/YY");
 297         //find out the number of files in the directory
 298         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 299         if (yaffs_open_dir) {
 300                 for (x=0;NULL!=yaffs_readdir(yaffs_open_dir);x++){}
 301                 number_of_files_in_yaffs=x;
 302                 sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
 303                 print_message(2,message);
 304                 yaffs_rewinddir(yaffs_open_dir);
 305         } else {
 306                 print_message(3,"failed to open yaffs test dir\n");
 307         }
 308         //create array
 309         char yaffs_file_list[x][200];
 310         //check_mode_file("yaffs2/test/YY");
 311         //copy file names into array
 312         if (yaffs_open_dir){
 313
 314                 for (x=0 ;NULL!=yaffs_current_file;x++)
 315                 {
 316                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 317                         if (NULL!=yaffs_current_file){
 318                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 319                         }
 320                 }
 321                 yaffs_closedir(yaffs_open_dir);
 322         } else {
 323                 print_message(3,"failed to populate yaffs test list\n");
 324         }
 325
 326
 327         //find out the number of files in the directory
 328         linux_open_dir = opendir(linux_struct.root_path);
 329         if (linux_open_dir){
 330                 for (x=0;NULL!=readdir(linux_open_dir);x++){}
 331                 number_of_files_in_linux=x-2;
 332                 sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
 333                 print_message(2,message);
 334                 //the -2 is because linux shows 2 extra files which are automaticly created.
 335
 336                 rewinddir(linux_open_dir);
 337         } else {
 338                 print_message(3,"failed to open linux test dir\n");
 339         }
 340
 341         //create array
 342         char linux_file_list[x-2][200];
 343         //check_mode_file("yaffs2/test/YY");
 344         //copy file names into array
 345         if (linux_open_dir){
 346                 for (x=0, y=0 ;NULL!=linux_current_file;x++)
 347                 {
 348                         linux_current_file =readdir(linux_open_dir);
 349                         if (NULL!=linux_current_file){
 350                                 strcpy(message,linux_current_file->d_name);
 351                                 print_message(7,"opened file: ");
 352                                 print_message(7,message);
 353                                 print_message(7,"\n");
 354                         }
 355                         if (NULL!=linux_current_file &&
 356                                 0!=strcmp(message,".")&&
 357                                 0!=strcmp(message,"..")){
 358                         //      strcpy(message,linux_current_file->d_name);
 359                                 //sprintf("file opened: %s\n",linux_current_file->d_name);
 360                                 //print_message(3,message);
 361                                 print_message(7,"added file to list\n");
 362                                 strcpy(linux_file_list[y],message);
 363                                 y++;
 364                                 sprintf(message,"file added to list: %s\n",linux_file_list[x]);
 365                                 print_message(7,message);
 366                         }
 367                 }
 368                 closedir(linux_open_dir);
 369         } else {
 370                 print_message(3,"failed to populate linux test dir\n");
 371         }
 372
 373
 374         //match the files in both folders
 375         for (x=0;x<number_of_files_in_yaffs;x++){
 376                 sprintf(message,"\nsearching for yaffs file: %s\n",yaffs_file_list[x]);
 377                 print_message(3,message);
 378                 for (y=0;y<number_of_files_in_linux;y++){
 379                         sprintf(message,"comparing to linux file: %s\n",linux_file_list[y]);
 380                         print_message(7,message);
 381
 382                         if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
 383                                 sprintf(message,"file matched: %s\n",linux_file_list[y]);
 384                                 print_message(3,message);
 385                                 //check that the modes of both files are the same
 386                                 join_paths(yaffs_struct.root_path,yaffs_file_list[x],y_path);
 387                                 join_paths(linux_struct.root_path,linux_file_list[y],l_path);
 388                                 if (yaffs_stat(y_path,&yaffs_stat_struct)>=0&&
 389                                 stat(l_path,&linux_stat_struct)>=0){
 390                                         sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 391                                         print_message(3,message);
 392                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 393                                         print_message(3,message);
 394                                         sprintf(message," linux file mode is %d\n",(linux_stat_struct.st_mode & (S_IREAD|S_IWRITE)));
 395                                         print_message(3,message);
 396                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(linux_stat_struct.st_mode & S_IREAD),(linux_stat_struct.st_mode & S_IWRITE));
 397                                         print_message(3,message);
 398                                         if ((yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE))==
 399                                         ( linux_stat_struct.st_mode & (S_IREAD|S_IWRITE))){
 400                                                 print_message(2,"file modes match\n");
 401                                         } else {
 402                                                 print_message(2,"file modes do not match\n");
 403                                                 exit_bool=1;
 404                                         }
 405                                 } else {
 406                                         print_message(2,"failed to stat one of the files\n");
 407                                         get_error_yaffs();
 408                                         get_error_linux();
 409                                 }
 410
 411                                 //read file contents
 412
 413                                 linux_file_list[y][0]=NULL;
 414                                 yaffs_file_list[x][0]=NULL;
 415                                 break;
 416                         }
 417                 }
 418         }
 419
 420         //print remaining files
 421         for (x=0;x<number_of_files_in_linux;x++){
 422                 if (linux_file_list[x][0]!=NULL){
 423                         sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
 424                         print_message(2,message);
 425                         exit_bool=1;
 426                 }
 427         }
 428         for (x=0;x<number_of_files_in_yaffs;x++){
 429                 if (yaffs_file_list[x][0]!=NULL){
 430                         sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
 431                         print_message(2,message);
 432                         exit_bool=1;
 433                 }
 434         }
 435         if (exit_bool==1&& get_exit_on_error()==1){
 436                 print_message(2,"exiting program\n");
 437                 exit(0);
 438         }
 439         //printf("file_name %s\n", yaffs_current_file->d_name);
 440 //      generate_array_of_objects_in_yaffs();
 441 //      generate_array_of_objects_in_linux();
 442         //first do a check to see if both sides have the same objects on both sides.
 443         //then stat all of the files and compare size and mode
 444         //read the text of each file and compare them.
 445
 446         //show the diffrences by printing them.
 447
 448 }
 449
 450 void generate_random_numbers(arg_temp *args_struct)
 451 {
 452         char string[51];
 453         args_struct->char1= (rand() % 255);
 454         args_struct->char2= (rand() % 255);
 455         args_struct->int1= (rand() % 100000);
 456         args_struct->int2= (rand() % 100000);
 457         generate_random_string(string,50);
 458         strcpy(args_struct->string1, string);
 459         generate_random_string(string,50);
 460         strcpy(args_struct->string2, string);
 461 }
 462
 463 void run_yaffs_test(int id,arg_temp *args_struct)
 464 {
 465         char message[200];
 466         int output =0;
 467         print_message(3,"\n");
 468         //printf("id = %d\n",id);
 469         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 470         print_message(3,message);
 471         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 472         if (output<0) {
 473                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 474                 print_message(3,message);
 475         } else {
 476                 print_message(3,"test_passed\n");
 477         }
 478 }
 479
 480 void run_linux_test(int id,arg_temp *args_struct)
 481 {
 482         char message[200];
 483         int output =0;
 484         print_message(3,"\n");
 485         //printf("id = %d\n",id);
 486         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 487         print_message(3,message);
 488         output=linux_tests.test_list[id].test_pointer(args_struct);
 489         if (output<0) {
 490                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 491                 print_message(3,message);
 492         } else {
 493                 print_message(3,"test_passed\n");
 494         }
 495 }
 496
 497
 498 void clean_dir(void)
 499 {
 500         char string[200];
 501         char file[200];
 502         char message[200];
 503         DIR *linux_open_dir;
 504         struct dirent *linux_current_file;
 505         int x=0;
 506
 507         getcwd(string,200);
 508         strcat(string,"/emfile-2k-0");
 509         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 510         print_message(3,message);
 511         unlink(string);
 512
 513
 514         linux_open_dir = opendir(linux_struct.root_path);
 515         if (linux_open_dir){
 516                 for (x=0 ;NULL!=linux_current_file   ;x++)
 517                 {
 518                         linux_current_file =readdir(linux_open_dir);
 519                         if (NULL!=linux_current_file){
 520
 521                                 strcpy(file,linux_struct.root_path);
 522                                 strcat(file,linux_current_file->d_name);
 523                                 sprintf(message,"unlinking file %d\n",linux_current_file->d_name);
 524                                 print_message(3,message);
 525                                 unlink(file);
 526                         }
 527                 }
 528                 closedir(linux_open_dir);
 529                 rmdir(linux_struct.root_path);
 530         }
 531
 532 }