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                         check_mode(&args_struct);
 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 compare_linux_and_yaffs(arg_temp *args_struct)
 253 {
 254         int x=0,y=0;
 255         int exit_bool=0;
 256         int number_of_files_in_yaffs=0;
 257         int number_of_files_in_linux=0;
 258         char message[200];
 259
 260         struct yaffs_stat yaffs_stat_struct;
 261         struct stat linux_stat_struct;
 262         yaffs_DIR *yaffs_open_dir;
 263         yaffs_dirent *yaffs_current_file;
 264
 265         DIR *linux_open_dir;
 266         struct dirent *linux_current_file;
 267
 268         print_message(2,"\n\n comparing folders\n");
 269         check_mode(&args_struct);
 270
 271         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 272         if (yaffs_open_dir) {
 273                 for (x=0;NULL!=yaffs_readdir(yaffs_open_dir);x++){}
 274                 number_of_files_in_yaffs=x;
 275                 sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
 276                 print_message(2,message);
 277                 yaffs_rewinddir(yaffs_open_dir);
 278         } else {
 279                 print_message(3,"failed to open yaffs test dir\n");
 280         }
 281         char yaffs_file_list[x][200];
 282         check_mode(&args_struct);
 283
 284         if (yaffs_open_dir){
 285
 286                 for (x=0 ;NULL!=yaffs_current_file;x++)
 287                 {
 288                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 289                         if (NULL!=yaffs_current_file){
 290                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 291                         }
 292                 }
 293                 yaffs_closedir(yaffs_open_dir);
 294         } else {
 295                 print_message(3,"failed to populate yaffs test list\n");
 296         }
 297         check_mode(&args_struct);
 298         linux_open_dir = opendir(linux_struct.root_path);
 299         if (linux_open_dir){
 300                 for (x=0;NULL!=readdir(linux_open_dir);x++){}
 301                 number_of_files_in_linux=x-2;
 302                 sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
 303                 print_message(2,message);
 304                 //the -2 is because linux shows 2 extra files which are automaticly created.
 305
 306                 rewinddir(linux_open_dir);
 307         } else {
 308                 print_message(3,"failed to open linux test dir\n");
 309         }
 310         char linux_file_list[x-2][200];
 311         if (linux_open_dir){
 312                 for (x=0, y=0 ;NULL!=linux_current_file;x++)
 313                 {
 314                         linux_current_file =readdir(linux_open_dir);
 315                         if (NULL!=linux_current_file){
 316                                 strcpy(message,linux_current_file->d_name);
 317                                 print_message(7,"opened file: ");
 318                                 print_message(7,message);
 319                                 print_message(7,"\n");
 320                         }
 321                         if (NULL!=linux_current_file &&
 322                                 0!=strcmp(message,".")&&
 323                                 0!=strcmp(message,"..")){
 324                         //      strcpy(message,linux_current_file->d_name);
 325                                 //sprintf("file opened: %s\n",linux_current_file->d_name);
 326                                 //print_message(3,message);
 327                                 print_message(7,"added file to list\n");
 328                                 strcpy(linux_file_list[y],message);
 329                                 y++;
 330                                 sprintf(message,"file added to list: %s\n",linux_file_list[x]);
 331                                 print_message(7,message);
 332                         }
 333                 }
 334                 closedir(linux_open_dir);
 335         } else {
 336                 print_message(3,"failed to populate linux test dir\n");
 337         }
 338
 339
 340
 341         for (x=0;x<number_of_files_in_yaffs;x++){
 342                 sprintf(message,"searching for yaffs file: %s\n",yaffs_file_list[x]);
 343                 print_message(3,message);
 344                 for (y=0;y<number_of_files_in_linux;y++){
 345                         sprintf(message,"comparing to linux file: %s\n",linux_file_list[y]);
 346                         print_message(7,message);
 347
 348                         if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
 349                                 sprintf(message,"file matched: %s\n",linux_file_list[y]);
 350                                 print_message(3,message);
 351                                 //check modes of the files
 352                                 if (yaffs_stat(yaffs_file_list[x],&yaffs_stat_struct)&&
 353                                 stat(linux_file_list[y],&linux_stat_struct)){
 354                                         sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
 355                                         print_message(3,message);
 356                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
 357                                         print_message(3,message);
 358                                         sprintf(message," linux file mode is %d\n",(linux_stat_struct.st_mode & (S_IREAD|S_IWRITE)));
 359                                         print_message(3,message);
 360                                         sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(linux_stat_struct.st_mode & S_IREAD),(linux_stat_struct.st_mode & S_IWRITE));
 361                                         print_message(3,message);
 362                                         if ((yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE))==
 363                                         ( linux_stat_struct.st_mode & (S_IREAD|S_IWRITE))){
 364                                                 print_message(2,"file modes match\n");
 365                                         } else {
 366                                                 print_message(2,"file modes do not match\n");
 367                                                 exit_bool=1;
 368                                         }
 369                                 } else {
 370                                         print_message(2,"failed to stat one of the files\n");
 371                                 }
 372
 373                                 //read file contents
 374
 375                                 linux_file_list[y][0]=NULL;
 376                                 yaffs_file_list[x][0]=NULL;
 377                                 break;
 378                         }
 379                 }
 380         }
 381
 382         //print remaining files
 383         for (x=0;x<number_of_files_in_linux;x++){
 384                 if (linux_file_list[x][0]!=NULL){
 385                         sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
 386                         print_message(2,message);
 387                         exit_bool=1;
 388                 }
 389         }
 390         for (x=0;x<number_of_files_in_yaffs;x++){
 391                 if (yaffs_file_list[x][0]!=NULL){
 392                         sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
 393                         print_message(2,message);
 394                         exit_bool=1;
 395                 }
 396         }
 397         if (exit_bool==1&& get_exit_on_error()==1){
 398                 print_message(2,"exiting program\n");
 399                 exit(0);
 400         }
 401
 402         //printf("file_name %s\n", yaffs_current_file->d_name);
 403 //      generate_array_of_objects_in_yaffs();
 404 //      generate_array_of_objects_in_linux();
 405         //first do a check to see if both sides have the same objects on both sides.
 406         //then stat all of the files and compare size and mode
 407         //read the text of each file and compare them.
 408
 409         //show the diffrences by printing them.
 410
 411 }
 412
 413 void generate_random_numbers(arg_temp *args_struct)
 414 {
 415         char string[51];
 416         args_struct->char1= (rand() % 255);
 417         args_struct->char2= (rand() % 255);
 418         args_struct->int1= (rand() % 100000);
 419         args_struct->int2= (rand() % 100000);
 420         generate_random_string(string,50);
 421         strcpy(args_struct->string1, string);
 422         generate_random_string(string,50);
 423         strcpy(args_struct->string2, string);
 424 }
 425
 426 void run_yaffs_test(int id,arg_temp *args_struct)
 427 {
 428         char message[200];
 429         int output =0;
 430         print_message(3,"\n");
 431         //printf("id = %d\n",id);
 432         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 433         print_message(3,message);
 434         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 435         if (output<0) {
 436                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 437                 print_message(3,message);
 438         } else {
 439                 print_message(3,"test_passed\n");
 440         }
 441 }
 442
 443 void run_linux_test(int id,arg_temp *args_struct)
 444 {
 445         char message[200];
 446         int output =0;
 447         print_message(3,"\n");
 448         //printf("id = %d\n",id);
 449         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 450         print_message(3,message);
 451         output=linux_tests.test_list[id].test_pointer(args_struct);
 452         if (output<0) {
 453                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 454                 print_message(3,message);
 455         } else {
 456                 print_message(3,"test_passed\n");
 457         }
 458 }
 459
 460
 461 void clean_dir(void)
 462 {
 463         char string[200];
 464         char file[200];
 465         char message[200];
 466         DIR *linux_open_dir;
 467         struct dirent *linux_current_file;
 468         int x=0;
 469
 470         getcwd(string,200);
 471         strcat(string,"/emfile-2k-0");
 472         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 473         print_message(3,message);
 474         unlink(string);
 475
 476
 477         linux_open_dir = opendir(linux_struct.root_path);
 478         if (linux_open_dir){
 479                 for (x=0 ;NULL!=linux_current_file   ;x++)
 480                 {
 481                         linux_current_file =readdir(linux_open_dir);
 482                         if (NULL!=linux_current_file){
 483
 484                                 strcpy(file,linux_struct.root_path);
 485                                 strcat(file,linux_current_file->d_name);
 486                                 sprintf(message,"unlinking file %d\n",linux_current_file->d_name);
 487                                 print_message(3,message);
 488                                 unlink(file);
 489                         }
 490                 }
 491                 closedir(linux_open_dir);
 492                 rmdir(linux_struct.root_path);
 493         }
 494
 495 }