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[100];
 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++) {
 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;
 210         yaffs_DIR *yaffs_open_dir;
 211         yaffs_dirent *yaffs_current_file;
 212
 213         DIR *linux_open_dir;
 214         struct dirent *linux_current_file;
 215
 216         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 217         if (yaffs_open_dir) {
 218                 for (x=0;NULL!=yaffs_readdir(yaffs_open_dir);x++){}
 219                 printf("number of files in yaffs dir= %d\n",x);
 220
 221                 char yaffs_file_list[x][100];
 222                 yaffs_rewinddir(yaffs_open_dir);
 223
 224                 for (x=0 ;NULL!=yaffs_current_file;x++)
 225                 {
 226                         yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 227                         if (NULL!=yaffs_current_file){
 228                                 strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 229                         }
 230                 }
 231                 yaffs_closedir(yaffs_open_dir);
 232         }
 233
 234         linux_open_dir = opendir(linux_struct.root_path);
 235         if (linux_open_dir){
 236                 for (x=0;NULL!=readdir(linux_open_dir);x++){}
 237                 printf("number of files in linux dir= %d\n",(x-2));
 238                 //the -2 is because linux shows 2 extra files which are automaticly created.
 239
 240                 char linux_file_list[x][100];
 241
 242                 for (x=0 ;NULL!=linux_current_file;x++)
 243                 {
 244                         linux_current_file =readdir(linux_open_dir);
 245                         if (NULL!=linux_current_file){
 246                                 strcpy(linux_file_list[x],linux_current_file->d_name);
 247                         }
 248                 }
 249                 closedir(linux_open_dir);
 250         }
 251
 252
 253
 254
 255
 256         //printf("file_name %s\n", yaffs_current_file->d_name);
 257 //      generate_array_of_objects_in_yaffs();
 258 //      generate_array_of_objects_in_linux();
 259         //first do a check to see if both sides have the same objects on both sides.
 260         //then stat all of the files and compare size and mode
 261         //read the text of each file and compare them.
 262
 263         //show the diffrences by printing them.
 264
 265 }
 266
 267 void generate_random_numbers(arg_temp *args_struct)
 268 {
 269         char string[51];
 270         args_struct->char1= (rand() % 255);
 271         args_struct->char2= (rand() % 255);
 272         args_struct->int1= (rand() % 100000);
 273         args_struct->int2= (rand() % 100000);
 274         generate_random_string(string,50);
 275         strcpy(args_struct->string1, string);
 276         generate_random_string(string,50);
 277         strcpy(args_struct->string2, string);
 278 }
 279
 280 void run_yaffs_test(int id,arg_temp *args_struct)
 281 {
 282         char message[200];
 283         int output =0;
 284         print_message(3,"\n");
 285         //printf("id = %d\n",id);
 286         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 287         print_message(3,message);
 288         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 289         if (output<0) {
 290                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 291                 print_message(3,message);
 292         } else {
 293                 print_message(3,"test_passed\n");
 294         }
 295 }
 296
 297 void run_linux_test(int id,arg_temp *args_struct)
 298 {
 299         char message[200];
 300         int output =0;
 301         print_message(3,"\n");
 302         //printf("id = %d\n",id);
 303         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 304         print_message(3,message);
 305         output=linux_tests.test_list[id].test_pointer(args_struct);
 306         if (output<0) {
 307                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 308                 print_message(3,message);
 309         } else {
 310                 print_message(3,"test_passed\n");
 311         }
 312 }
 313
 314 void get_error_yaffs(void)
 315 {
 316         int error_code=0;
 317         char message[30];
 318         message[0]='\0';
 319
 320         error_code=yaffs_get_error();
 321         sprintf(message,"yaffs_error code %d\n",error_code);
 322         print_message(1,message);
 323         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 324         print_message(1,message);
 325 }
 326
 327 void get_error_linux(void)
 328 {
 329         int error_code=0;
 330         char message[30];
 331         message[0]='\0';
 332
 333         error_code=errno;
 334         sprintf(message,"linux_error code %d\n",error_code);
 335         print_message(1,message);
 336         strcpy(message,"error code");
 337         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 338         //perror(message);
 339         print_message(1,message);
 340 }
 341
 342 void clean_dir(void)
 343 {
 344         char string[200];
 345         char file[200];
 346         char message[200];
 347         DIR *linux_open_dir;
 348         struct dirent *linux_current_file;
 349         int x=0;
 350
 351         getcwd(string,200);
 352         strcat(string,"/emfile-2k-0");
 353         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 354         print_message(3,message);
 355         unlink(string);
 356
 357
 358         linux_open_dir = opendir(linux_struct.root_path);
 359         if (linux_open_dir){
 360                 for (x=0 ;NULL!=linux_current_file   ;x++)
 361                 {
 362                         linux_current_file =readdir(linux_open_dir);
 363                         if (NULL!=linux_current_file){
 364
 365                                 strcpy(file,linux_struct.root_path);
 366                                 strcat(file,linux_current_file->d_name);
 367                                 sprintf(message,"unlinking file %d\n",linux_current_file->d_name);
 368                                 print_message(3,message);
 369                                 unlink(file);
 370                         }
 371                 }
 372                 closedir(linux_open_dir);
 373                 rmdir(linux_struct.root_path);
 374         }
 375
 376 }