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         3,
  35         {{"yaffs_test_open",yaffs_test_open},
  36         {"yaffs_test_truncate",yaffs_test_truncate},
  37         {"yaffs_test_unlink",yaffs_test_unlink}
  38         }
  39 };
  40
  41 test_temp linux_tests={
  42         3,
  43         {{"linux_test_open",linux_test_open},
  44         {"linux_test_truncate",linux_test_truncate},
  45         {"linux_test_unlink",linux_test_unlink}
  46         }
  47 };
  48
  49
  50 int main(int argc, char *argv[])
  51 {
  52         char message[100];
  53         int x;
  54 //      yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
  55 //      linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
  56
  57         init(argc,argv);
  58         print_message(1,"running mirror_tests\n");
  59         sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
  60         print_message(3,message);
  61         sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
  62         print_message(3,message);
  63         sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
  64         print_message(3,message);
  65         sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
  66         print_message(3,message);
  67
  68         run_random_test(num_of_random_tests);
  69         compare_linux_and_yaffs();
  70         yaffs_unmount("yaffs2");
  71         return 0;
  72 }
  73
  74 void init(int argc, char *argv[])
  75 {
  76         char dir[200];
  77         dir[0]='\0';
  78         int x=-1;
  79         char message[100];
  80
  81         srand((unsigned)time(NULL));
  82         yaffs_set_trace(0);
  83         linux_struct.type_of_test =LINUX;
  84         yaffs_struct.type_of_test =YAFFS;
  85
  86         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
  87         print_message(3,message);
  88         strcpy(dir,getcwd(dir,200));
  89
  90         strcat(dir,"/test/");
  91         printf("dir: %s\n",dir);
  92         strcpy(linux_struct.root_path,dir);
  93         strcpy(yaffs_struct.root_path,"yaffs2/test/");
  94
  95
  96         for (x=0;x<argc;x++){
  97                 if (strcmp(argv[x],"-h")==0){
  98                         printf("mirror_tests help\n");
  99                         printf("arguments:\n");
 100                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
 101                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
 102                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 103                         printf("\t-v //verbose mode everything is printed\n");
 104                         printf("\t-q //quiet mode nothing is printed.\n");
 105                         printf("\t-n [number] //sets the number of random tests to run.\n");
 106                         printf("\t-s [number] //seeds rand with the number\n");
 107                         printf("\t-t [number] //sets yaffs_trace to the number\n");
 108                         printf("\t-clean //removes emfile and test dir\n");
 109                         exit(0);
 110                 } else if (strcmp(argv[x],"-yaffs_path")==0){
 111                         strcpy(yaffs_struct.root_path, argv[x+1]);
 112                 } else if (strcmp(argv[x],"-linux_path")==0){
 113                         strcpy(linux_struct.root_path, argv[x+1]);
 114                 } else if (strcmp(argv[x],"-p")==0){
 115                         set_print_level(atoi(argv[x+1]));
 116                 } else if (strcmp(argv[x],"-v")==0){
 117                         set_print_level(5);
 118                 } else if (strcmp(argv[x],"-q")==0){
 119                         set_print_level(-1);
 120                 } else if (strcmp(argv[x],"-n")==0){
 121                         num_of_random_tests=atoi(argv[x+1]);
 122                 } else if (strcmp(argv[x],"-s")==0){
 123                         srand(atoi(argv[x+1]));
 124                 } else if (strcmp(argv[x],"-t")==0){
 125                         yaffs_set_trace(atoi(argv[x+1]));
 126                 } else if (strcmp(argv[x],"-clean")==0){
 127                         clean_dir();
 128                         exit(0);
 129                 }
 130         }
 131         clean_dir();
 132         yaffs_start_up();
 133         print_message(2,"\nmounting yaffs\n");
 134         x=yaffs_mount("yaffs2");
 135         if (x<0) {
 136                 print_message(3,"failed to mount yaffs\n");
 137                 get_error_yaffs();
 138         } else {
 139                 print_message(3,"mounted yaffs\n");
 140         }
 141
 142
 143         print_message(3,"\nmaking linux test dir\n");
 144         x=mkdir(linux_struct.root_path,0777);
 145         if (x<0) {
 146                 print_message(1,"failed to make dir\n");
 147                 get_error_linux();
 148         } else {
 149                 print_message(3,"made dir\n");
 150         }
 151
 152         print_message(3,"\nmaking yaffs test dir\n");
 153         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 154         if (x<0) {
 155                 print_message(1,"failed to make dir\n");
 156                 get_error_yaffs();
 157         } else {
 158                 print_message(3,"made dir\n");
 159         }
 160 }
 161
 162 int run_random_test(int num_of_random_tests)
 163 {
 164         int y=0;
 165         int x=-1;
 166         int id=0;
 167         int test_id=-1;
 168         int num_of_tests_before_check=10;
 169         char message[200];
 170         arg_temp args_struct;
 171         for (y=0;(y*num_of_tests_before_check)<num_of_random_tests;y++){
 172                 for (x=0;x<num_of_tests_before_check && (x+(y*num_of_tests_before_check)<num_of_random_tests);x++) {
 173                         errno=0;
 174                         yaffs_set_error(0);
 175                         test_id = select_test_id(yaffs_tests.num_of_tests);
 176                         sprintf(message,"running test_id %d\n",test_id);
 177                         print_message(3,message);
 178                         generate_random_numbers(&args_struct);
 179                         run_yaffs_test(test_id, &args_struct);
 180                         run_linux_test(test_id, &args_struct);
 181                         if      ((abs(yaffs_get_error())!=abs(errno)) &&
 182                                 (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 183                                 (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)
 184                                 ){
 185                                 print_message(2,"\ndifference in returned errors######################################\n");
 186                                 get_error_yaffs();
 187                                 get_error_linux();
 188                                 if (get_exit_on_error()){
 189                                         exit(0);
 190                                 }
 191                         }
 192                 }
 193                 compare_linux_and_yaffs();
 194         }
 195 }
 196
 197 int select_test_id(int test_len)
 198 {
 199         int id=0;
 200         //printf("test_len = %d\n",test_len);
 201         id=(rand() % test_len );
 202         //printf("id %d\n",id);
 203         return id;
 204
 205 }
 206
 207 int compare_linux_and_yaffs(void)
 208 {
 209         int x=0,y=0;
 210         int exit_bool=0;
 211         int number_of_files_in_yaffs=0;
 212         int number_of_files_in_linux=0;
 213         char message[200];
 214
 215         yaffs_DIR *yaffs_open_dir;
 216         yaffs_dirent *yaffs_current_file;
 217
 218         DIR *linux_open_dir;
 219         struct dirent *linux_current_file;
 220
 221         print_message(2,"\n\n comparing folders\n");
 222
 223
 224         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 225         if (yaffs_open_dir) {
 226                 for (x=0;NULL!=yaffs_readdir(yaffs_open_dir);x++){}
 227                 number_of_files_in_yaffs=x;
 228                 sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
 229                 print_message(2,message);
 230                 yaffs_rewinddir(yaffs_open_dir);
 231         } else {
 232                 print_message(3,"failed to open yaffs test dir\n");
 233         }
 234         char yaffs_file_list[x][200];
 235
 236
 237         if (yaffs_open_dir){
 238
 239                 for (x=0 ;NULL!=yaffs_current_file;x++)
 240                 {
 241                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 242                         if (NULL!=yaffs_current_file){
 243                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 244                         }
 245                 }
 246                 yaffs_closedir(yaffs_open_dir);
 247         } else {
 248                 print_message(3,"failed to populate yaffs test list\n");
 249         }
 250
 251         linux_open_dir = opendir(linux_struct.root_path);
 252         if (linux_open_dir){
 253                 for (x=0;NULL!=readdir(linux_open_dir);x++){}
 254                 number_of_files_in_linux=x-2;
 255                 sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
 256                 print_message(2,message);
 257                 //the -2 is because linux shows 2 extra files which are automaticly created.
 258
 259                 rewinddir(linux_open_dir);
 260         } else {
 261                 print_message(3,"failed to open linux test dir\n");
 262         }
 263         char linux_file_list[x-2][200];
 264         if (linux_open_dir){
 265                 for (x=0, y=0 ;NULL!=linux_current_file;x++)
 266                 {
 267                         linux_current_file =readdir(linux_open_dir);
 268                         if (NULL!=linux_current_file){
 269                                 strcpy(message,linux_current_file->d_name);
 270                                 print_message(3,"opened file: ");
 271                                 print_message(3,message);
 272                                 print_message(3,"\n");
 273                         }
 274                         if (NULL!=linux_current_file &&
 275                                 0!=strcmp(message,".")&&
 276                                 0!=strcmp(message,"..")){
 277                         //      strcpy(message,linux_current_file->d_name);
 278                                 //sprintf("file opened: %s\n",linux_current_file->d_name);
 279                                 //print_message(3,message);
 280                                 print_message(3,"added file to list\n");
 281                                 strcpy(linux_file_list[y],message);
 282                                 y++;
 283                                 sprintf(message,"file added to list: %s\n",linux_file_list[x]);
 284                                 print_message(3,message);
 285                         }
 286                 }
 287                 closedir(linux_open_dir);
 288         } else {
 289                 print_message(3,"failed to populate linux test dir\n");
 290         }
 291
 292
 293
 294         for (x=0;x<number_of_files_in_yaffs;x++){
 295                 sprintf(message,"searching for yaffs file: %s\n",yaffs_file_list[x]);
 296                 print_message(3,message);
 297                 for (y=0;y<number_of_files_in_linux;y++){
 298                         sprintf(message,"comparing to linux file: %s\n",linux_file_list[x]);
 299                         print_message(3,message);
 300
 301                         if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
 302                                 sprintf(message,"file matched: %s\n",linux_file_list[y]);
 303                                 print_message(3,message);
 304                                 linux_file_list[y][0]=NULL;
 305                                 yaffs_file_list[x][0]=NULL;
 306                                 break;
 307                         }
 308                 }
 309         }
 310
 311         //print remaining files
 312         for (x=0;x<number_of_files_in_linux;x++){
 313                 if (linux_file_list[x][0]!=NULL){
 314                         sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
 315                         print_message(2,message);
 316                         exit_bool=1;
 317                 }
 318         }
 319         for (x=0;x<number_of_files_in_yaffs;x++){
 320                 if (yaffs_file_list[x][0]!=NULL){
 321                         sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
 322                         print_message(2,message);
 323                         exit_bool=1;
 324                 }
 325         }
 326         if (exit_bool==1){
 327                 print_message(2,"exiting program\n");
 328                 exit(0);
 329         }
 330
 331         //printf("file_name %s\n", yaffs_current_file->d_name);
 332 //      generate_array_of_objects_in_yaffs();
 333 //      generate_array_of_objects_in_linux();
 334         //first do a check to see if both sides have the same objects on both sides.
 335         //then stat all of the files and compare size and mode
 336         //read the text of each file and compare them.
 337
 338         //show the diffrences by printing them.
 339
 340 }
 341
 342 void generate_random_numbers(arg_temp *args_struct)
 343 {
 344         char string[51];
 345         args_struct->char1= (rand() % 255);
 346         args_struct->char2= (rand() % 255);
 347         args_struct->int1= (rand() % 100000);
 348         args_struct->int2= (rand() % 100000);
 349         generate_random_string(string,50);
 350         strcpy(args_struct->string1, string);
 351         generate_random_string(string,50);
 352         strcpy(args_struct->string2, string);
 353 }
 354
 355 void run_yaffs_test(int id,arg_temp *args_struct)
 356 {
 357         char message[200];
 358         int output =0;
 359         print_message(3,"\n");
 360         //printf("id = %d\n",id);
 361         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 362         print_message(3,message);
 363         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 364         if (output<0) {
 365                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 366                 print_message(3,message);
 367         } else {
 368                 print_message(3,"test_passed\n");
 369         }
 370 }
 371
 372 void run_linux_test(int id,arg_temp *args_struct)
 373 {
 374         char message[200];
 375         int output =0;
 376         print_message(3,"\n");
 377         //printf("id = %d\n",id);
 378         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 379         print_message(3,message);
 380         output=linux_tests.test_list[id].test_pointer(args_struct);
 381         if (output<0) {
 382                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 383                 print_message(3,message);
 384         } else {
 385                 print_message(3,"test_passed\n");
 386         }
 387 }
 388
 389 void get_error_yaffs(void)
 390 {
 391         int error_code=0;
 392         char message[30];
 393         message[0]='\0';
 394
 395         error_code=yaffs_get_error();
 396         sprintf(message,"yaffs_error code %d\n",error_code);
 397         print_message(1,message);
 398         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 399         print_message(1,message);
 400 }
 401
 402 void get_error_linux(void)
 403 {
 404         int error_code=0;
 405         char message[30];
 406         message[0]='\0';
 407
 408         error_code=errno;
 409         sprintf(message,"linux_error code %d\n",error_code);
 410         print_message(1,message);
 411         strcpy(message,"error code");
 412         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 413         //perror(message);
 414         print_message(1,message);
 415 }
 416
 417 void clean_dir(void)
 418 {
 419         char string[200];
 420         char file[200];
 421         char message[200];
 422         DIR *linux_open_dir;
 423         struct dirent *linux_current_file;
 424         int x=0;
 425
 426         getcwd(string,200);
 427         strcat(string,"/emfile-2k-0");
 428         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 429         print_message(3,message);
 430         unlink(string);
 431
 432
 433         linux_open_dir = opendir(linux_struct.root_path);
 434         if (linux_open_dir){
 435                 for (x=0 ;NULL!=linux_current_file   ;x++)
 436                 {
 437                         linux_current_file =readdir(linux_open_dir);
 438                         if (NULL!=linux_current_file){
 439
 440                                 strcpy(file,linux_struct.root_path);
 441                                 strcat(file,linux_current_file->d_name);
 442                                 sprintf(message,"unlinking file %d\n",linux_current_file->d_name);
 443                                 print_message(3,message);
 444                                 unlink(file);
 445                         }
 446                 }
 447                 closedir(linux_open_dir);
 448                 rmdir(linux_struct.root_path);
 449         }
 450
 451 }