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         2,
  35         {{"yaffs_test_open",yaffs_test_open},
  36         {"yaffs_test_truncate",yaffs_test_truncate}
  37         }
  38 };
  39
  40 test_temp linux_tests={
  41         2,
  42         {{"linux_test_open",linux_test_open},
  43         {"linux_test_truncate",linux_test_truncate}
  44         }
  45 };
  46
  47
  48 int main(int argc, char *argv[])
  49 {
  50         char message[100];
  51         int x;
  52 //      yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
  53 //      linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
  54
  55         init(argc,argv);
  56         print_message(1,"running mirror_tests\n");
  57         sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
  58         print_message(3,message);
  59         sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
  60         print_message(3,message);
  61         sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
  62         print_message(3,message);
  63         sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
  64         print_message(3,message);
  65         for (x=0;x<num_of_random_tests;x++){
  66                 run_random_test();
  67         }
  68         yaffs_unmount("yaffs2");
  69         return 0;
  70 }
  71
  72 void init(int argc, char *argv[])
  73 {
  74         char dir[200];
  75         dir[0]='\0';
  76         int x=-1;
  77         char message[100];
  78
  79         srand((unsigned)time(NULL));
  80         linux_struct.type_of_test =LINUX;
  81         yaffs_struct.type_of_test =YAFFS;
  82
  83         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
  84         print_message(3,message);
  85         strcpy(dir,getcwd(dir,200));
  86
  87         strcat(dir,"/test/");
  88         printf("dir: %s\n",dir);
  89         strcpy(linux_struct.root_path,dir);
  90         strcpy(yaffs_struct.root_path,"yaffs2/test/");
  91
  92
  93         for (x=0;x<argc;x++){
  94                 if (strcmp(argv[x],"-h")==0){
  95                         printf("mirror_tests help\n");
  96                         printf("arguments:\n");
  97                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
  98                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
  99                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
 100                         printf("\t-v //verbose mode everything is printed\n");
 101                         printf("\t-q //quiet mode nothing is printed.\n");
 102                         printf("\t-n [number] //sets the number of random tests to run.\n");
 103                         printf("\t-s [number] //seeds rand with the number\n");
 104                         exit(0);
 105                 } else if (strcmp(argv[x],"-yaffs_path")==0){
 106                         strcpy(yaffs_struct.root_path, argv[x+1]);
 107                 } else if (strcmp(argv[x],"-linux_path")==0){
 108                         strcpy(linux_struct.root_path, argv[x+1]);
 109                 } else if (strcmp(argv[x],"-p")==0){
 110                         set_print_level(atoi(argv[x+1]));
 111                 } else if (strcmp(argv[x],"-v")==0){
 112                         set_print_level(5);
 113                 } else if (strcmp(argv[x],"-q")==0){
 114                         set_print_level(-1);
 115                 } else if (strcmp(argv[x],"-n")==0){
 116                         num_of_random_tests=atoi(argv[x+1]);
 117                 } else if (strcmp(argv[x],"-n")==0){
 118                         //srand(atoi(argv[x+1]));
 119                 }
 120         }
 121
 122         yaffs_start_up();
 123         print_message(message,"\nmounting yaffs\n");
 124         x=yaffs_mount("yaffs2");
 125         if (x<0) {
 126                 print_message(3,"failed to mount yaffs\n");
 127                 get_error_yaffs();
 128         } else {
 129                 print_message(3,"mounted yaffs\n");
 130         }
 131
 132
 133         print_message(3,"\nmaking linux test dir\n");
 134         x=mkdir(linux_struct.root_path,0777);
 135         if (x<0) {
 136                 print_message(1,"failed to make dir\n");
 137                 get_error_linux();
 138         } else {
 139                 print_message(3,"made dir\n");
 140         }
 141
 142         print_message(3,"\nmaking yaffs test dir\n");
 143         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 144         if (x<0) {
 145                 print_message(1,"failed to make dir\n");
 146                 get_error_yaffs();
 147         } else {
 148                 print_message(3,"made dir\n");
 149         }
 150 }
 151
 152 int run_random_test(void)
 153 {
 154         int x=-1;
 155         int id=0;
 156         int test_id=-1;
 157         int num_of_tests=1;
 158         char message[100];
 159         arg_temp args_struct;
 160         for (x=0;x<num_of_tests;x++) {
 161                 errno=0;
 162                 yaffs_set_error(0);
 163                 test_id = select_test_id(yaffs_tests.num_of_tests);
 164                 sprintf(message,"running test_id %d\n",test_id);
 165                 print_message(3,message);
 166                 generate_random_numbers(&args_struct);
 167                 run_yaffs_test(test_id, &args_struct);
 168                 run_linux_test(test_id, &args_struct);
 169                 if      ((abs(yaffs_get_error())!=abs(errno)) &&
 170                         (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
 171                         (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)
 172                         ){
 173                         print_message(2,"\ndiffrence in returned errors######################################\n");
 174                         get_error_yaffs();
 175                         get_error_linux();
 176                         if (get_exit_on_error()){
 177                                 exit(0);
 178                         }
 179                 }
 180         }
 181         compare_linux_and_yaffs();
 182 }
 183
 184 int select_test_id(int test_len)
 185 {
 186         int id=0;
 187         //printf("test_len = %d\n",test_len);
 188         id=(rand() % test_len );
 189         //printf("id %d\n",id);
 190         return id;
 191
 192 }
 193
 194 int compare_linux_and_yaffs(void)
 195 {
 196 //      generate_array_of_objects_in_yaffs();
 197 //      generate_array_of_objects_in_linux();
 198         //first do a check to see if both sides have the same objects on both sides.
 199         //then stat all of the files and compare size and mode
 200         //read the text of each file and compare them.
 201
 202         //show the diffrences by printing them.
 203
 204 }
 205
 206 void generate_random_numbers(arg_temp *args_struct)
 207 {
 208         char string[51];
 209         args_struct->char1= (rand() % 255);
 210         args_struct->char2= (rand() % 255);
 211         args_struct->int1= (rand() % 100000);
 212         args_struct->int2= (rand() % 100000);
 213         generate_random_string(string,50);
 214         strcpy(args_struct->string1, string);
 215         generate_random_string(string,50);
 216         strcpy(args_struct->string2, string);
 217 }
 218
 219 void run_yaffs_test(int id,arg_temp *args_struct)
 220 {
 221         char message[200];
 222         int output =0;
 223         print_message(3,"\n");
 224         //printf("id = %d\n",id);
 225         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 226         print_message(3,message);
 227         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 228         if (output<0) {
 229                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 230                 print_message(3,message);
 231         } else {
 232                 print_message(3,"test_passed\n");
 233         }
 234 }
 235
 236 void run_linux_test(int id,arg_temp *args_struct)
 237 {
 238         char message[200];
 239         int output =0;
 240         print_message(3,"\n");
 241         //printf("id = %d\n",id);
 242         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 243         print_message(3,message);
 244         output=linux_tests.test_list[id].test_pointer(args_struct);
 245         if (output<0) {
 246                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 247                 print_message(3,message);
 248         } else {
 249                 print_message(3,"test_passed\n");
 250         }
 251 }
 252
 253 void get_error_yaffs(void)
 254 {
 255         int error_code=0;
 256         char message[30];
 257         message[0]='\0';
 258
 259         error_code=yaffs_get_error();
 260         sprintf(message,"yaffs_error code %d\n",error_code);
 261         print_message(1,message);
 262         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 263         print_message(1,message);
 264 }
 265
 266 void get_error_linux(void)
 267 {
 268         int error_code=0;
 269         char message[30];
 270         message[0]='\0';
 271
 272         error_code=errno;
 273         sprintf(message,"linux_error code %d\n",error_code);
 274         print_message(1,message);
 275         strcpy(message,"error code");
 276         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 277         //perror(message);
 278         print_message(1,message);
 279 }
 280