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Diffstat (limited to 'direct/timothy_tests/yaffs_and_linux_mirror_tests/mirror_tests.c')
-rw-r--r--direct/timothy_tests/yaffs_and_linux_mirror_tests/mirror_tests.c601
1 files changed, 601 insertions, 0 deletions
diff --git a/direct/timothy_tests/yaffs_and_linux_mirror_tests/mirror_tests.c b/direct/timothy_tests/yaffs_and_linux_mirror_tests/mirror_tests.c
new file mode 100644
index 0000000..cd4e5f2
--- /dev/null
+++ b/direct/timothy_tests/yaffs_and_linux_mirror_tests/mirror_tests.c
@@ -0,0 +1,601 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Timothy Manning <timothy@yaffs.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "mirror_tests.h"
+
+int random_seed;
+int simulate_power_failure = 0;
+
+int num_of_random_tests=1;
+
+
+
+typedef struct test_list_temp2{
+ char *test_name;
+ int (*test_pointer)(arg_temp *args_struct);
+}test_list_temp;
+
+typedef struct test_temp2 {
+ int num_of_tests;
+ test_list_temp test_list[];
+}test_temp;
+
+test_temp yaffs_tests={
+ 4,
+ {{"yaffs_test_open",yaffs_test_open},
+ {"yaffs_test_truncate",yaffs_test_truncate},
+ {"yaffs_test_unlink",yaffs_test_unlink},
+ {"yaffs_test_write",yaffs_test_write}
+ }
+};
+
+test_temp linux_tests={
+ 4,
+ {{"linux_test_open",linux_test_open},
+ {"linux_test_truncate",linux_test_truncate},
+ {"linux_test_unlink",linux_test_unlink},
+ {"linux_test_write",linux_test_write}
+ }
+};
+
+const struct option long_options[]={
+ {"help", 0,NULL,'h'},
+ {"yaffs_path", 1,NULL,'y'},
+ {"linux_path", 1,NULL,'l'},
+ {"print_level", 1,NULL,'p'},
+ {"quiet", 0,NULL,'q'},
+ {"number", 1,NULL,'n'},
+ {"seed", 1,NULL,'s'},
+ {"trace", 1,NULL,'t'},
+ {"clean", 0,NULL,'c'},
+ {"verbose", 0,NULL,'v'}
+};
+
+const char short_options[]="hy:l:p:qn:s:t:cv";
+
+
+int main(int argc, char *argv[])
+{
+ char message[100];
+
+// yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
+// linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
+
+ init(argc,argv);
+ print_message(1,"running mirror_tests\n");
+ sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
+ print_message(3,message);
+ sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
+ print_message(3,message);
+ sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
+ print_message(3,message);
+ sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
+ print_message(3,message);
+
+ run_random_test(num_of_random_tests);
+ //compare_linux_and_yaffs();
+ yaffs_unmount("yaffs2");
+ return 0;
+}
+
+void init(int argc, char *argv[])
+{
+ char dir[200];
+ dir[0]='\0';
+ int x=-1;
+ char message[100];
+ int new_option;
+
+ x=(unsigned)time(NULL);
+ sprintf(message,"seeding srand with: %d\n",x);
+ print_message(2,message);
+ srand(x);
+ yaffs_set_trace(0);
+ linux_struct.type_of_test =LINUX;
+ yaffs_struct.type_of_test =YAFFS;
+
+ sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
+ print_message(3,message);
+ strcpy(dir,getcwd(dir,200));
+
+ strcat(dir,"/test/");
+ printf("dir: %s\n",dir);
+ strcpy(linux_struct.root_path,dir);
+ strcpy(yaffs_struct.root_path,"yaffs2/test/");
+
+
+ do {
+ new_option=getopt_long(argc,argv,short_options,long_options,NULL);
+ if (new_option=='h'){
+ printf("mirror_tests help\n");
+ printf("arguments:\n");
+ printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
+ printf("\t-linux_path [PATH] //sets the path for linux.\n");
+ printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
+ printf("\t-v //verbose mode everything is printed\n");
+ printf("\t-q //quiet mode nothing is printed.\n");
+ printf("\t-n [number] //sets the number of random tests to run.\n");
+ printf("\t-s [number] //seeds rand with the number\n");
+ printf("\t-t [number] //sets yaffs_trace to the number\n");
+ printf("\t-clean //removes emfile and test dir\n");
+ exit(0);
+ } else if (new_option=='y'){
+ strcpy(yaffs_struct.root_path, optarg);
+ } else if (new_option=='l'){
+ strcpy(linux_struct.root_path, optarg);
+ } else if (new_option=='p'){
+ set_print_level(atoi(optarg));
+ } else if (new_option=='v'){
+ set_print_level(5);
+ } else if (new_option=='q'){
+ set_print_level(-1);
+ } else if (new_option=='n'){
+ num_of_random_tests=atoi(optarg);
+ } else if (new_option=='s'){
+ srand(atoi(argv[x+1]));
+ } else if (new_option=='t'){
+ yaffs_set_trace(atoi(optarg));
+ } else if (new_option=='c'){
+ clean_dir();
+ exit(0);
+ } else if (new_option==-1){
+
+ } else if (new_option=='?') {
+ printf("bad argument\n");
+ exit(0);
+ }
+
+ } while(new_option!=-1);
+ clean_dir();
+ yaffs_start_up();
+ print_message(2,"\nmounting yaffs\n");
+ x=yaffs_mount("yaffs2");
+ if (x<0) {
+ print_message(3,"failed to mount yaffs\n");
+ get_error_yaffs();
+ } else {
+ print_message(3,"mounted yaffs\n");
+ }
+
+
+ print_message(3,"\nmaking linux test dir\n");
+ x=mkdir(linux_struct.root_path,0777);
+ if (x<0) {
+ print_message(1,"failed to make dir\n");
+ get_error_linux();
+ } else {
+ print_message(3,"made dir\n");
+ }
+
+ print_message(3,"\nmaking yaffs test dir\n");
+ x=yaffs_mkdir(yaffs_struct.root_path,0777);
+ if (x<0) {
+ print_message(1,"failed to make dir\n");
+ get_error_yaffs();
+ } else {
+ print_message(3,"made dir\n");
+ }
+}
+
+int run_random_test(int num_of_random_tests)
+{
+ int y=0;
+ int x=-1;
+ int id=0;
+ int test_id=-1;
+ int num_of_tests_before_check=1;
+ char message[200];
+ arg_temp args_struct;
+ for (y=0;(y*num_of_tests_before_check)<num_of_random_tests;y++){
+ for (x=0;x<num_of_tests_before_check && (x+(y*num_of_tests_before_check)<num_of_random_tests);x++) {
+ errno=0;
+ yaffs_set_error(0);
+ test_id = select_test_id(yaffs_tests.num_of_tests);
+ sprintf(message,"running test_id %d\n",test_id);
+ print_message(3,message);
+ generate_random_numbers(&args_struct);
+ run_yaffs_test(test_id, &args_struct);
+
+ //check_mode(&args_struct);
+
+ run_linux_test(test_id, &args_struct);
+
+ if (get_print_level()>=4){
+ get_error_yaffs();
+ get_error_linux();
+ }
+
+ if ((abs(yaffs_get_error())!=abs(errno)) &&
+ (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0) &&
+ (abs(yaffs_get_error())!=ENOENT && abs(errno) != EACCES)&&
+ (abs(yaffs_get_error())!=EINVAL && abs(errno) != EBADF)
+ ){
+ print_message(2,"\ndifference in returned errors######################################\n");
+ get_error_yaffs();
+ get_error_linux();
+ if (get_exit_on_error()){
+ exit(0);
+ }
+ }
+ }
+ //check_mode(&args_struct);
+ compare_linux_and_yaffs(&args_struct);
+ //check_mode(&args_struct);
+
+ }
+ compare_linux_and_yaffs(&args_struct);
+}
+
+int select_test_id(int test_len)
+{
+ int id=0;
+ //printf("test_len = %d\n",test_len);
+ id=(rand() % test_len );
+ //printf("id %d\n",id);
+ return id;
+
+}
+
+int check_mode(arg_temp *args_struct)
+{
+ char path[200];
+ char message[200];
+ int output=0;
+
+ struct yaffs_stat yaffs_stat_struct;
+ join_paths(yaffs_struct.root_path,args_struct->string1, path );
+ sprintf(message,"\ntrying to stat to: %s\n",path);
+ print_message(3,message);
+ output=yaffs_stat(path,&yaffs_stat_struct);
+ if (output < 0){
+ sprintf(message,"failed to stat the file\n");
+ print_message(3,message);
+ get_error_yaffs();
+ } else {
+ sprintf(message,"stated the file\n");
+ print_message(3,message);
+ sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
+ print_message(3,message);
+ sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
+ print_message(3,message);
+ }
+ return 1;
+}
+
+int check_mode_file(char *path)
+{
+ char message[200];
+ int output=0;
+
+ struct yaffs_stat yaffs_stat_struct;
+
+ sprintf(message,"\ntrying to stat to: %s\n",path);
+ print_message(3,message);
+ output=yaffs_stat(path,&yaffs_stat_struct);
+ if (output < 0){
+ sprintf(message,"failed to stat the file\n");
+ print_message(3,message);
+ get_error_yaffs();
+ } else {
+ sprintf(message,"stated the file\n");
+ print_message(3,message);
+ sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
+ print_message(3,message);
+ sprintf(message,"mode S_IREAD %d S_IWRITE %d\n\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
+ print_message(3,message);
+ }
+ return 1;
+}
+
+int compare_linux_and_yaffs(arg_temp *args_struct)
+{
+ int x=0,y=0;
+ char l_path[200];
+ char y_path[200];
+ char file_name[200];
+ int exit_bool=0;
+ int number_of_files_in_yaffs=0;
+ int number_of_files_in_linux=0;
+ char message[200];
+ char **yaffs_file_list=NULL;
+ char **linux_file_list=NULL;
+
+ struct yaffs_stat yaffs_stat_struct;
+ struct stat linux_stat_struct;
+ yaffs_DIR *yaffs_open_dir;
+ yaffs_dirent *yaffs_current_file;
+
+ DIR *linux_open_dir;
+ struct dirent *linux_current_file;
+
+ l_path[0]='\0';
+ y_path[0]='\0';
+ file_name[0]='\0';
+ message[0]='\0';
+ print_message(2,"\n\n\n comparing folders\n");
+// check_mode_file("yaffs2/test/YY");
+ //find out the number of files in the directory
+ yaffs_open_dir = yaffs_opendir(yaffs_struct.root_path);
+ if (yaffs_open_dir) {
+ for (x=0;yaffs_readdir(yaffs_open_dir);x++){}
+ number_of_files_in_yaffs=x;
+ sprintf(message,"number of files in yaffs dir= %d\n",number_of_files_in_yaffs);
+ print_message(2,message);
+ yaffs_rewinddir(yaffs_open_dir);
+ } else {
+ print_message(3,"failed to open yaffs test dir\n");
+ }
+ //create array
+ yaffs_file_list= (char **)malloc(x*sizeof(char*));
+ for (x=0;x<number_of_files_in_yaffs;x++) {
+ yaffs_file_list[x]=malloc(200);
+ }
+
+ //check_mode_file("yaffs2/test/YY");
+ //copy file names into array
+ if (yaffs_open_dir){
+ yaffs_current_file =yaffs_readdir(yaffs_open_dir);
+ for (x=0 ;yaffs_current_file;x++)
+ {
+ printf("x= %d \n",x);
+ printf("yaffs_current_file->d_name = %s\n",yaffs_current_file->d_name);
+ if (yaffs_current_file){
+ strcpy(yaffs_file_list[x],yaffs_current_file->d_name);
+
+ }
+ yaffs_current_file =yaffs_readdir(yaffs_open_dir);
+ }
+ yaffs_closedir(yaffs_open_dir);
+ } else {
+ print_message(3,"failed to populate yaffs test list\n");
+ }
+
+
+ //find out the number of files in the directory
+ linux_open_dir = opendir(linux_struct.root_path);
+ if (linux_open_dir){
+ for (x=0;readdir(linux_open_dir);x++){}
+ number_of_files_in_linux=(x-2);
+ sprintf(message,"number of files in linux dir= %d\n",(number_of_files_in_linux));
+ print_message(2,message);
+ //the -2 is because linux shows 2 extra files which are automaticly created.
+
+ rewinddir(linux_open_dir);
+ } else {
+ print_message(3,"failed to open linux test dir\n");
+ }
+
+ //create array
+ linux_file_list= (char **)malloc(number_of_files_in_linux*sizeof(char*));
+
+ for (x=0;x<number_of_files_in_linux;x++) {
+ linux_file_list[x]=malloc(200);
+ }
+
+ //check_mode_file("yaffs2/test/YY");
+ //copy file names into array
+ if (linux_open_dir){
+ linux_current_file =readdir(linux_open_dir);
+ for (x=0, y=0 ;linux_current_file;x++)
+ {
+
+ if (linux_current_file){
+ strcpy(message,linux_current_file->d_name);
+ print_message(7,"opened file: ");
+ print_message(7,message);
+ print_message(7,"\n");
+ }
+ if (linux_current_file &&
+ 0!=strcmp(message,".")&&
+ 0!=strcmp(message,"..")){
+ strcpy(file_name,linux_current_file->d_name);
+ //sprintf("file opened: %s\n",linux_current_file->d_name);
+ //print_message(3,message);
+ print_message(7,"added file to list\n");
+ strcpy(linux_file_list[y],file_name);
+ sprintf(message,"file added to list: %s\n",linux_file_list[y]);
+ print_message(7,message);
+ y++;
+ }
+ linux_current_file =readdir(linux_open_dir);
+ }
+ closedir(linux_open_dir);
+ } else {
+ print_message(3,"failed to populate linux test dir\n");
+ }
+
+
+ //match the files in both folders
+ for (x=0;x<number_of_files_in_yaffs;x++){
+ sprintf(message,"\nsearching for yaffs file: %s\n",yaffs_file_list[x]);
+ print_message(3,message);
+ for (y=0;y<number_of_files_in_linux;y++){
+ sprintf(message,"comparing to linux file: %s\n",linux_file_list[y]);
+ print_message(7,message);
+
+ if (0==strcmp(yaffs_file_list[x],linux_file_list[y])){
+ sprintf(message,"file matched: %s\n",linux_file_list[y]);
+ print_message(3,message);
+ //check that the modes of both files are the same
+ join_paths(yaffs_struct.root_path,yaffs_file_list[x],y_path);
+ join_paths(linux_struct.root_path,linux_file_list[y],l_path);
+ if (yaffs_stat(y_path,&yaffs_stat_struct)>=0&&
+ stat(l_path,&linux_stat_struct)>=0){
+ sprintf(message," yaffs file mode is %d\n",(yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE)));
+ print_message(3,message);
+ sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(yaffs_stat_struct.st_mode & S_IREAD),(yaffs_stat_struct.st_mode & S_IWRITE));
+ print_message(3,message);
+ sprintf(message," linux file mode is %d\n",(linux_stat_struct.st_mode & (S_IREAD|S_IWRITE)));
+ print_message(3,message);
+ sprintf(message,"mode S_IREAD %d S_IWRITE %d\n",(linux_stat_struct.st_mode & S_IREAD),(linux_stat_struct.st_mode & S_IWRITE));
+ print_message(3,message);
+ if ((yaffs_stat_struct.st_mode & (S_IREAD| S_IWRITE))==
+ ( linux_stat_struct.st_mode & (S_IREAD|S_IWRITE))){
+ print_message(2,"file modes match\n");
+ } else {
+ print_message(2,"file modes do not match\n");
+ exit_bool=1;
+ }
+ linux_file_list[y][0]=NULL;
+ yaffs_file_list[x][0]=NULL;
+ } else {
+ print_message(2,"failed to stat one of the files\n");
+ get_error_yaffs();
+ get_error_linux();
+ }
+
+ //read file contents
+
+
+ break;
+ }
+ }
+ }
+
+ //print remaining files
+ for (x=0;x<number_of_files_in_linux;x++){
+ if (linux_file_list[x][0]){
+ sprintf(message,"unmatched file in linux: %s\n",linux_file_list[x]);
+ print_message(2,message);
+ exit_bool=1;
+ }
+ }
+ for (x=0;x<number_of_files_in_yaffs;x++){
+ if (yaffs_file_list[x][0]){
+ sprintf(message,"unmatched file in yaffs: %s\n",yaffs_file_list[x]);
+ print_message(2,message);
+ exit_bool=1;
+ }
+ }
+ if (exit_bool==1&& get_exit_on_error()==1){
+ print_message(2,"exiting program\n");
+ exit(0);
+ }
+
+ for (x=0;x<number_of_files_in_yaffs;x++) {
+ free(yaffs_file_list[x]);
+ }
+ free(yaffs_file_list);
+
+ for (x=0;x<number_of_files_in_linux;x++) {
+ free(linux_file_list[x]);
+ }
+ free(linux_file_list);
+
+
+ //printf("file_name %s\n", yaffs_current_file->d_name);
+// generate_array_of_objects_in_yaffs();
+// generate_array_of_objects_in_linux();
+ //first do a check to see if both sides have the same objects on both sides.
+ //then stat all of the files and compare size and mode
+ //read the text of each file and compare them.
+
+ //show the diffrences by printing them.
+ return 1;
+
+}
+
+void generate_random_numbers(arg_temp *args_struct)
+{
+ char string[51];
+ args_struct->char1= (rand() % 255);
+ args_struct->char2= (rand() % 255);
+ args_struct->int1= (rand() % 100000);
+ args_struct->int2= (rand() % 100000);
+ generate_random_string(string,50);
+ strcpy(args_struct->string1, string);
+ generate_random_string(string,50);
+ strcpy(args_struct->string2, string);
+}
+
+void run_yaffs_test(int id,arg_temp *args_struct)
+{
+ char message[200];
+ int output =0;
+ print_message(3,"\n");
+ //printf("id = %d\n",id);
+ sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
+ print_message(3,message);
+ output=yaffs_tests.test_list[id].test_pointer(args_struct);
+ if (output<0) {
+ sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
+ print_message(3,message);
+ } else {
+ print_message(3,"test_passed\n");
+ }
+}
+
+void run_linux_test(int id,arg_temp *args_struct)
+{
+ char message[200];
+ int output =0;
+ print_message(3,"\n");
+ //printf("id = %d\n",id);
+ sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
+ print_message(3,message);
+ output=linux_tests.test_list[id].test_pointer(args_struct);
+ if (output<0) {
+ sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
+ print_message(3,message);
+ } else {
+ print_message(3,"test_passed\n");
+ }
+}
+
+
+void clean_dir(void)
+{
+ char string[200];
+ char file[200];
+ char message[200];
+ DIR *linux_open_dir;
+ struct dirent *linux_current_file;
+ int x=0,output=0;
+
+ getcwd(string,200);
+ strcat(string,"/emfile-2k-0");
+ sprintf(message,"\n\nunlinking emfile at this path: %s\n",string);
+ print_message(3,message);
+ unlink(string);
+
+
+ linux_open_dir = opendir(linux_struct.root_path);
+ if (linux_open_dir){
+
+ do
+ {
+
+ linux_current_file =readdir(linux_open_dir);
+ if (NULL!=linux_current_file){
+
+ strcpy(file,linux_struct.root_path);
+ strcat(file,linux_current_file->d_name);
+ sprintf(message,"unlinking file %s\n",file);
+ print_message(3,message);
+ print_message(3,"chmoding file\n");
+ output=chmod(file,(S_IRUSR|S_IWUSR));
+ if (output<0) {
+ get_error_linux();
+ }
+ print_message(3,"unlinking file\n");
+ output=unlink(file);
+ if (output<0) {
+ get_error_linux();
+ }
+ }
+ } while(linux_current_file);
+ closedir(linux_open_dir);
+ rmdir(linux_struct.root_path);
+ }
+
+}
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