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         srand((unsigned)time(NULL));
  84         yaffs_set_trace(0);
  85         linux_struct.type_of_test =LINUX;
  86         yaffs_struct.type_of_test =YAFFS;
  87
  88         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
  89         print_message(3,message);
  90         strcpy(dir,getcwd(dir,200));
  91
  92         strcat(dir,"/test/");
  93         printf("dir: %s\n",dir);
  94         strcpy(linux_struct.root_path,dir);
  95         strcpy(yaffs_struct.root_path,"yaffs2/test/");
  96
  97
  98         for (x=0;x<argc;x++){
  99                 if (strcmp(argv[x],"-h")==0){
 100                         printf("mirror_tests help\n");
 101                         printf("arguments:\n");
 102                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
 103                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
 104                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 105                         printf("\t-v //verbose mode everything is printed\n");
 106                         printf("\t-q //quiet mode nothing is printed.\n");
 107                         printf("\t-n [number] //sets the number of random tests to run.\n");
 108                         printf("\t-s [number] //seeds rand with the number\n");
 109                         printf("\t-t [number] //sets yaffs_trace to the number\n");
 110                         printf("\t-clean //removes emfile and test dir\n");
 111                         exit(0);
 112                 } else if (strcmp(argv[x],"-yaffs_path")==0){
 113                         strcpy(yaffs_struct.root_path, argv[x+1]);
 114                 } else if (strcmp(argv[x],"-linux_path")==0){
 115                         strcpy(linux_struct.root_path, argv[x+1]);
 116                 } else if (strcmp(argv[x],"-p")==0){
 117                         set_print_level(atoi(argv[x+1]));
 118                 } else if (strcmp(argv[x],"-v")==0){
 119                         set_print_level(5);
 120                 } else if (strcmp(argv[x],"-q")==0){
 121                         set_print_level(-1);
 122                 } else if (strcmp(argv[x],"-n")==0){
 123                         num_of_random_tests=atoi(argv[x+1]);
 124                 } else if (strcmp(argv[x],"-s")==0){
 125                         srand(atoi(argv[x+1]));
 126                 } else if (strcmp(argv[x],"-t")==0){
 127                         yaffs_set_trace(atoi(argv[x+1]));
 128                 } else if (strcmp(argv[x],"-clean")==0){
 129                         clean_dir();
 130                         exit(0);
 131                 }
 132         }
 133         clean_dir();
 134         yaffs_start_up();
 135         print_message(2,"\nmounting yaffs\n");
 136         x=yaffs_mount("yaffs2");
 137         if (x<0) {
 138                 print_message(3,"failed to mount yaffs\n");
 139                 get_error_yaffs();
 140         } else {
 141                 print_message(3,"mounted yaffs\n");
 142         }
 143
 144
 145         print_message(3,"\nmaking linux test dir\n");
 146         x=mkdir(linux_struct.root_path,0777);
 147         if (x<0) {
 148                 print_message(1,"failed to make dir\n");
 149                 get_error_linux();
 150         } else {
 151                 print_message(3,"made dir\n");
 152         }
 153
 154         print_message(3,"\nmaking yaffs test dir\n");
 155         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 156         if (x<0) {
 157                 print_message(1,"failed to make dir\n");
 158                 get_error_yaffs();
 159         } else {
 160                 print_message(3,"made dir\n");
 161         }
 162 }
 163
 164 int run_random_test(int num_of_random_tests)
 165 {
 166         int y=0;
 167         int x=-1;
 168         int id=0;
 169         int test_id=-1;
 170         int num_of_tests_before_check=1;
 171         char message[200];
 172         arg_temp args_struct;
 173         for (y=0;(y*num_of_tests_before_check)<num_of_random_tests;y++){
 174                 for (x=0;x<num_of_tests_before_check && (x+(y*num_of_tests_before_check)<num_of_random_tests);x++) {
 175                         errno=0;
 176                         yaffs_set_error(0);
 177                         test_id = select_test_id(yaffs_tests.num_of_tests);
 178                         sprintf(message,"running test_id %d\n",test_id);
 179                         print_message(3,message);
 180                         generate_random_numbers(&args_struct);
 181                         run_yaffs_test(test_id, &args_struct);
 182                         run_linux_test(test_id, &args_struct);
 183                         if (get_print_level()>=4){
 184                                 get_error_yaffs();
 185                                 get_error_linux();
 186                         }
 187                         if      ((abs(yaffs_get_error())!=abs(errno)) &&
 188                                 (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 189                                 (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)&&
 190                                 (abs(yaffs_get_error())!=EINVAL && abs(errno) != EBADF)
 191                                 ){
 192                                 print_message(2,"\ndifference in returned errors######################################\n");
 193                                 get_error_yaffs();
 194                                 get_error_linux();
 195                                 if (get_exit_on_error()){
 196                                         exit(0);
 197                                 }
 198                         }
 199                 }
 200                 compare_linux_and_yaffs();
 201         }
 202 }
 203
 204 int select_test_id(int test_len)
 205 {
 206         int id=0;
 207         //printf("test_len = %d\n",test_len);
 208         id=(rand() % test_len );
 209         //printf("id %d\n",id);
 210         return id;
 211
 212 }
 213
 214 int compare_linux_and_yaffs(void)
 215 {
 216         int x=0,y=0;
 217         int exit_bool=0;
 218         int number_of_files_in_yaffs=0;
 219         int number_of_files_in_linux=0;
 220         char message[200];
 221
 222         yaffs_DIR *yaffs_open_dir;
 223         yaffs_dirent *yaffs_current_file;
 224
 225         DIR *linux_open_dir;
 226         struct dirent *linux_current_file;
 227
 228         print_message(2,"\n\n comparing folders\n");
 229
 230
 231         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 232         if (yaffs_open_dir) {
 233                 for (x=0;NULL!=yaffs_readdir(yaffs_open_dir);x++){}
 234                 number_of_files_in_yaffs=x;
 235                 sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
 236                 print_message(2,message);
 237                 yaffs_rewinddir(yaffs_open_dir);
 238         } else {
 239                 print_message(3,"failed to open yaffs test dir\n");
 240         }
 241         char yaffs_file_list[x][200];
 242
 243
 244         if (yaffs_open_dir){
 245
 246                 for (x=0 ;NULL!=yaffs_current_file;x++)
 247                 {
 248                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 249                         if (NULL!=yaffs_current_file){
 250                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 251                         }
 252                 }
 253                 yaffs_closedir(yaffs_open_dir);
 254         } else {
 255                 print_message(3,"failed to populate yaffs test list\n");
 256         }
 257
 258         linux_open_dir = opendir(linux_struct.root_path);
 259         if (linux_open_dir){
 260                 for (x=0;NULL!=readdir(linux_open_dir);x++){}
 261                 number_of_files_in_linux=x-2;
 262                 sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
 263                 print_message(2,message);
 264                 //the -2 is because linux shows 2 extra files which are automaticly created.
 265
 266                 rewinddir(linux_open_dir);
 267         } else {
 268                 print_message(3,"failed to open linux test dir\n");
 269         }
 270         char linux_file_list[x-2][200];
 271         if (linux_open_dir){
 272                 for (x=0, y=0 ;NULL!=linux_current_file;x++)
 273                 {
 274                         linux_current_file =readdir(linux_open_dir);
 275                         if (NULL!=linux_current_file){
 276                                 strcpy(message,linux_current_file->d_name);
 277                                 print_message(3,"opened file: ");
 278                                 print_message(3,message);
 279                                 print_message(3,"\n");
 280                         }
 281                         if (NULL!=linux_current_file &&
 282                                 0!=strcmp(message,".")&&
 283                                 0!=strcmp(message,"..")){
 284                         //      strcpy(message,linux_current_file->d_name);
 285                                 //sprintf("file opened: %s\n",linux_current_file->d_name);
 286                                 //print_message(3,message);
 287                                 print_message(3,"added file to list\n");
 288                                 strcpy(linux_file_list[y],message);
 289                                 y++;
 290                                 sprintf(message,"file added to list: %s\n",linux_file_list[x]);
 291                                 print_message(3,message);
 292                         }
 293                 }
 294                 closedir(linux_open_dir);
 295         } else {
 296                 print_message(3,"failed to populate linux test dir\n");
 297         }
 298
 299
 300
 301         for (x=0;x<number_of_files_in_yaffs;x++){
 302                 sprintf(message,"searching for yaffs file: %s\n",yaffs_file_list[x]);
 303                 print_message(3,message);
 304                 for (y=0;y<number_of_files_in_linux;y++){
 305                         sprintf(message,"comparing to linux file: %s\n",linux_file_list[y]);
 306                         print_message(3,message);
 307
 308                         if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
 309                                 sprintf(message,"file matched: %s\n",linux_file_list[y]);
 310                                 print_message(3,message);
 311                                 linux_file_list[y][0]=NULL;
 312                                 yaffs_file_list[x][0]=NULL;
 313                                 break;
 314                         }
 315                 }
 316         }
 317
 318         //print remaining files
 319         for (x=0;x<number_of_files_in_linux;x++){
 320                 if (linux_file_list[x][0]!=NULL){
 321                         sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
 322                         print_message(2,message);
 323                         exit_bool=1;
 324                 }
 325         }
 326         for (x=0;x<number_of_files_in_yaffs;x++){
 327                 if (yaffs_file_list[x][0]!=NULL){
 328                         sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
 329                         print_message(2,message);
 330                         exit_bool=1;
 331                 }
 332         }
 333         if (exit_bool==1){
 334                 print_message(2,"exiting program\n");
 335                 exit(0);
 336         }
 337
 338         //printf("file_name %s\n", yaffs_current_file->d_name);
 339 //      generate_array_of_objects_in_yaffs();
 340 //      generate_array_of_objects_in_linux();
 341         //first do a check to see if both sides have the same objects on both sides.
 342         //then stat all of the files and compare size and mode
 343         //read the text of each file and compare them.
 344
 345         //show the diffrences by printing them.
 346
 347 }
 348
 349 void generate_random_numbers(arg_temp *args_struct)
 350 {
 351         char string[51];
 352         args_struct->char1= (rand() % 255);
 353         args_struct->char2= (rand() % 255);
 354         args_struct->int1= (rand() % 100000);
 355         args_struct->int2= (rand() % 100000);
 356         generate_random_string(string,50);
 357         strcpy(args_struct->string1, string);
 358         generate_random_string(string,50);
 359         strcpy(args_struct->string2, string);
 360 }
 361
 362 void run_yaffs_test(int id,arg_temp *args_struct)
 363 {
 364         char message[200];
 365         int output =0;
 366         print_message(3,"\n");
 367         //printf("id = %d\n",id);
 368         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 369         print_message(3,message);
 370         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 371         if (output<0) {
 372                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 373                 print_message(3,message);
 374         } else {
 375                 print_message(3,"test_passed\n");
 376         }
 377 }
 378
 379 void run_linux_test(int id,arg_temp *args_struct)
 380 {
 381         char message[200];
 382         int output =0;
 383         print_message(3,"\n");
 384         //printf("id = %d\n",id);
 385         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 386         print_message(3,message);
 387         output=linux_tests.test_list[id].test_pointer(args_struct);
 388         if (output<0) {
 389                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 390                 print_message(3,message);
 391         } else {
 392                 print_message(3,"test_passed\n");
 393         }
 394 }
 395
 396 void get_error_yaffs(void)
 397 {
 398         int error_code=0;
 399         char message[30];
 400         message[0]='\0';
 401
 402         error_code=yaffs_get_error();
 403         sprintf(message,"yaffs_error code %d\n",error_code);
 404         print_message(1,message);
 405         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 406         print_message(1,message);
 407 }
 408
 409 void get_error_linux(void)
 410 {
 411         int error_code=0;
 412         char message[30];
 413         message[0]='\0';
 414
 415         error_code=errno;
 416         sprintf(message,"linux_error code %d\n",error_code);
 417         print_message(1,message);
 418         strcpy(message,"error code");
 419         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 420         //perror(message);
 421         print_message(1,message);
 422 }
 423
 424 void clean_dir(void)
 425 {
 426         char string[200];
 427         char file[200];
 428         char message[200];
 429         DIR *linux_open_dir;
 430         struct dirent *linux_current_file;
 431         int x=0;
 432
 433         getcwd(string,200);
 434         strcat(string,"/emfile-2k-0");
 435         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 436         print_message(3,message);
 437         unlink(string);
 438
 439
 440         linux_open_dir = opendir(linux_struct.root_path);
 441         if (linux_open_dir){
 442                 for (x=0 ;NULL!=linux_current_file   ;x++)
 443                 {
 444                         linux_current_file =readdir(linux_open_dir);
 445                         if (NULL!=linux_current_file){
 446
 447                                 strcpy(file,linux_struct.root_path);
 448                                 strcat(file,linux_current_file->d_name);
 449                                 sprintf(message,"unlinking file %d\n",linux_current_file->d_name);
 450                                 print_message(3,message);
 451                                 unlink(file);
 452                         }
 453                 }
 454                 closedir(linux_open_dir);
 455                 rmdir(linux_struct.root_path);
 456         }
 457
 458 }