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         for (x=0;x<num_of_random_tests;x++){
  68                 run_random_test();
  69         }
  70         compare_linux_and_yaffs();
  71         yaffs_unmount("yaffs2");
  72         return 0;
  73 }
  74
  75 void init(int argc, char *argv[])
  76 {
  77         char dir[200];
  78         dir[0]='\0';
  79         int x=-1;
  80         char message[100];
  81
  82         srand((unsigned)time(NULL));
  83         yaffs_set_trace(0);
  84         linux_struct.type_of_test =LINUX;
  85         yaffs_struct.type_of_test =YAFFS;
  86
  87         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
  88         print_message(3,message);
  89         strcpy(dir,getcwd(dir,200));
  90
  91         strcat(dir,"/test/");
  92         printf("dir: %s\n",dir);
  93         strcpy(linux_struct.root_path,dir);
  94         strcpy(yaffs_struct.root_path,"yaffs2/test/");
  95
  96
  97         for (x=0;x<argc;x++){
  98                 if (strcmp(argv[x],"-h")==0){
  99                         printf("mirror_tests help\n");
 100                         printf("arguments:\n");
 101                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
 102                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
 103                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 104                         printf("\t-v //verbose mode everything is printed\n");
 105                         printf("\t-q //quiet mode nothing is printed.\n");
 106                         printf("\t-n [number] //sets the number of random tests to run.\n");
 107                         printf("\t-s [number] //seeds rand with the number\n");
 108                         printf("\t-t [number] //sets yaffs_trace to the number\n");
 109                         printf("\t-c //removes emfile and test dir\n");
 110                         exit(0);
 111                 } else if (strcmp(argv[x],"-yaffs_path")==0){
 112                         strcpy(yaffs_struct.root_path, argv[x+1]);
 113                 } else if (strcmp(argv[x],"-linux_path")==0){
 114                         strcpy(linux_struct.root_path, argv[x+1]);
 115                 } else if (strcmp(argv[x],"-p")==0){
 116                         set_print_level(atoi(argv[x+1]));
 117                 } else if (strcmp(argv[x],"-v")==0){
 118                         set_print_level(5);
 119                 } else if (strcmp(argv[x],"-q")==0){
 120                         set_print_level(-1);
 121                 } else if (strcmp(argv[x],"-n")==0){
 122                         num_of_random_tests=atoi(argv[x+1]);
 123                 } else if (strcmp(argv[x],"-s")==0){
 124                         srand(atoi(argv[x+1]));
 125                 } else if (strcmp(argv[x],"-t")==0){
 126                         yaffs_set_trace(atoi(argv[x+1]));
 127                 } else if (strcmp(argv[x],"-c")==0){
 128                         clean_dir();
 129                         exit(0);
 130                 }
 131         }
 132         clean_dir();
 133         yaffs_start_up();
 134         print_message(2,"\nmounting yaffs\n");
 135         x=yaffs_mount("yaffs2");
 136         if (x<0) {
 137                 print_message(3,"failed to mount yaffs\n");
 138                 get_error_yaffs();
 139         } else {
 140                 print_message(3,"mounted yaffs\n");
 141         }
 142
 143
 144         print_message(3,"\nmaking linux test dir\n");
 145         x=mkdir(linux_struct.root_path,0777);
 146         if (x<0) {
 147                 print_message(1,"failed to make dir\n");
 148                 get_error_linux();
 149         } else {
 150                 print_message(3,"made dir\n");
 151         }
 152
 153         print_message(3,"\nmaking yaffs test dir\n");
 154         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 155         if (x<0) {
 156                 print_message(1,"failed to make dir\n");
 157                 get_error_yaffs();
 158         } else {
 159                 print_message(3,"made dir\n");
 160         }
 161 }
 162
 163 int run_random_test(void)
 164 {
 165         int x=-1;
 166         int id=0;
 167         int test_id=-1;
 168         int num_of_tests=1;
 169         char message[100];
 170         arg_temp args_struct;
 171         for (x=0;x<num_of_tests;x++) {
 172                 errno=0;
 173                 yaffs_set_error(0);
 174                 test_id = select_test_id(yaffs_tests.num_of_tests);
 175                 sprintf(message,"running test_id %d\n",test_id);
 176                 print_message(3,message);
 177                 generate_random_numbers(&args_struct);
 178                 run_yaffs_test(test_id, &args_struct);
 179                 run_linux_test(test_id, &args_struct);
 180                 if      ((abs(yaffs_get_error())!=abs(errno)) &&
 181                         (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 182                         (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)
 183                         ){
 184                         print_message(2,"\ndifference in returned errors######################################\n");
 185                         get_error_yaffs();
 186                         get_error_linux();
 187                         if (get_exit_on_error()){
 188                                 exit(0);
 189                         }
 190                 }
 191         }
 192         compare_linux_and_yaffs();
 193 }
 194
 195 int select_test_id(int test_len)
 196 {
 197         int id=0;
 198         //printf("test_len = %d\n",test_len);
 199         id=(rand() % test_len );
 200         //printf("id %d\n",id);
 201         return id;
 202
 203 }
 204
 205 int compare_linux_and_yaffs(void)
 206 {
 207         int x=0;
 208         yaffs_DIR *yaffs_open_dir;
 209         yaffs_dirent *yaffs_current_file;
 210
 211         DIR *linux_open_dir;
 212         struct dirent *linux_current_file;
 213
 214         yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
 215
 216         for (x=0;NULL!=yaffs_readdir(yaffs_open_dir);x++){};
 217         printf("number of files in yaffs dir= %d\n",x);
 218
 219         char yaffs_file_list[x][100];
 220         yaffs_rewinddir(yaffs_open_dir);
 221
 222         for (x=0 ;NULL!=yaffs_current_file;x++)
 223         {
 224                 yaffs_current_file =yaffs_readdir(yaffs_open_dir);
 225                 if (NULL!=yaffs_current_file){
 226                         strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
 227                 }
 228         }
 229
 230         linux_open_dir = opendir(linux_struct.root_path);
 231
 232         for (x=0;NULL!=readdir(linux_open_dir);x++){};
 233         printf("number of files in linux dir= %d\n",(x-2));     //the -2 is because linux shows 2 extra files which are automaticly created.
 234
 235         //printf("file_name %s\n", yaffs_current_file->d_name);
 236 //      generate_array_of_objects_in_yaffs();
 237 //      generate_array_of_objects_in_linux();
 238         //first do a check to see if both sides have the same objects on both sides.
 239         //then stat all of the files and compare size and mode
 240         //read the text of each file and compare them.
 241
 242         //show the diffrences by printing them.
 243
 244 }
 245
 246 void generate_random_numbers(arg_temp *args_struct)
 247 {
 248         char string[51];
 249         args_struct->char1= (rand() % 255);
 250         args_struct->char2= (rand() % 255);
 251         args_struct->int1= (rand() % 100000);
 252         args_struct->int2= (rand() % 100000);
 253         generate_random_string(string,50);
 254         strcpy(args_struct->string1, string);
 255         generate_random_string(string,50);
 256         strcpy(args_struct->string2, string);
 257 }
 258
 259 void run_yaffs_test(int id,arg_temp *args_struct)
 260 {
 261         char message[200];
 262         int output =0;
 263         print_message(3,"\n");
 264         //printf("id = %d\n",id);
 265         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 266         print_message(3,message);
 267         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 268         if (output<0) {
 269                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 270                 print_message(3,message);
 271         } else {
 272                 print_message(3,"test_passed\n");
 273         }
 274 }
 275
 276 void run_linux_test(int id,arg_temp *args_struct)
 277 {
 278         char message[200];
 279         int output =0;
 280         print_message(3,"\n");
 281         //printf("id = %d\n",id);
 282         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 283         print_message(3,message);
 284         output=linux_tests.test_list[id].test_pointer(args_struct);
 285         if (output<0) {
 286                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 287                 print_message(3,message);
 288         } else {
 289                 print_message(3,"test_passed\n");
 290         }
 291 }
 292
 293 void get_error_yaffs(void)
 294 {
 295         int error_code=0;
 296         char message[30];
 297         message[0]='\0';
 298
 299         error_code=yaffs_get_error();
 300         sprintf(message,"yaffs_error code %d\n",error_code);
 301         print_message(1,message);
 302         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 303         print_message(1,message);
 304 }
 305
 306 void get_error_linux(void)
 307 {
 308         int error_code=0;
 309         char message[30];
 310         message[0]='\0';
 311
 312         error_code=errno;
 313         sprintf(message,"linux_error code %d\n",error_code);
 314         print_message(1,message);
 315         strcpy(message,"error code");
 316         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 317         //perror(message);
 318         print_message(1,message);
 319 }
 320
 321 void clean_dir(void)
 322 {
 323         char string[200];
 324         char file[200];
 325         char message[200];
 326         DIR *linux_open_dir;
 327         struct dirent *linux_current_file;
 328         int x=0;
 329
 330         getcwd(string,200);
 331         strcat(string,"/emfile-2k-0");
 332         sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
 333         print_message(3,message);
 334         unlink(string);
 335
 336
 337         linux_open_dir = opendir(linux_struct.root_path);
 338         if (linux_open_dir){
 339                 for (x=0 ;NULL!=linux_current_file   ;x++)
 340                 {
 341                         linux_current_file =readdir(linux_open_dir);
 342                         if (NULL!=linux_current_file){
 343
 344                                 strcpy(file,linux_struct.root_path);
 345                                 strcat(file,linux_current_file->d_name);
 346                                 sprintf(message,"unlinking file %d\n",linux_current_file->d_name);
 347                                 print_message(3,message);
 348                                 unlink(file);
 349                         }
 350                 }
 351                 unlink(linux_struct.root_path);
 352         }
 353
 354 }