+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 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 "linux_test.h"
+
+int random_seed;
+int simulate_power_failure = 1;
+
+char message[400]; //this is used for storing print messages.
+
+int main()
+{
+ dir_struct *scanned_dir=NULL;
+ int output=0;
+ int break_bool=0;
+ int x=5;
+ while( 1){
+ while (break_bool!=1){
+ //printf("x %d\n",x);
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ output=mkdir_test();
+ break_bool=1;
+ }
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ output=rmdir_test();
+ break_bool=1;
+ }
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ output=mknod_test();
+ break_bool=1;
+ }
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ output=symlink_test();
+ break_bool=1;
+ }
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ output=link_test();
+ break_bool=1;
+ }
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ output=rename_test();
+ break_bool=1;
+ }
+ x--;
+ if (x<0 &&(break_bool!=1)){
+ scanned_dir=scan_dir();
+
+ output=remount_test();
+ check_dir(scanned_dir);
+ scanned_dir=NULL; //the scanned dir has been freed in check_dir.
+ break_bool=1;
+ }
+ }
+ //printf("resetting x\n");
+ check_function(output);
+ break_bool=0;
+ x=(rand()% 99);
+ }
+ return 0;
+}
+
+dir_struct * scan_dir(void)
+{
+ struct dirent *dir_data;
+ dir_struct *dir=NULL;
+ dir=malloc(sizeof(dir_struct));
+ memset(dir, NULL, sizeof(dir_struct));
+ DIR *open_dir=NULL;
+
+
+ open_dir=opendir(ROOT_PATH);
+ dir_data=readdir(open_dir);
+ while(dir_data){
+ dir->path_list=linked_list_add_node(HEAD,dir->path_list);
+ dir->path_list->string=malloc(strlen(dir_data->d_name)+1);
+ strcpy(dir->path_list->string,dir_data->d_name);
+ sprintf(message,"opened file: %s\n",dir->path_list->string);
+ print_message(3,message);
+ dir_data=readdir(open_dir);
+ }
+ closedir(open_dir);
+ node_print_pointers(dir->path_list);
+ return dir;
+}
+
+int check_dir(dir_struct *old_dir)
+{
+ dir_struct *new_dir=scan_dir();
+ node *new_list=new_dir->path_list;
+ node *old_list=old_dir->path_list;
+ int exit_loop=0;
+ print_message(3,"checking dir\n");
+ for (;old_list!= NULL;old_list=old_list->next){
+
+ for (;(new_list=NULL) && (exit_loop !=1);new_list=new_list->next){
+ sprintf(message,"comparing %s and %s\n",old_list->string,new_list->string);
+ print_message(3,message);
+ if (strcmp( new_list->string ,old_list->string)==0){
+ //files match -now compare the modes and contents of the files.
+ //and set the paths to NULL.
+ exit_loop=1;
+ }
+ /*if (new_list->next==NULL){
+ print_message(3,"next is null\n");
+
+ }*/
+ }
+ if (exit_loop !=1){
+ //failed to find a matching file
+ sprintf(message,"a file has disappeared: %s\n",old_list->string);
+ print_message(3,message);
+
+ }
+ new_list=new_dir->path_list;
+ exit_loop=0;
+ }
+ //now check if there are any old unmatched files
+
+ //free both data structs
+ delete_linked_list(old_dir->path_list);
+ delete_linked_list(new_dir->path_list);
+ new_dir->path_list=NULL;
+ old_dir->path_list=NULL;
+ free(old_dir);
+ free(new_dir);
+}
+
+int remount_test(void)
+{
+ int output;
+ print_message(3,"\nunmounting\n");
+ output=umount2("/mnt/y",MNT_FORCE);
+ check_function(output);
+ print_message(3,"mounting\n");
+ mount("/dev/mtdblock0","/mnt/y","yaffs2",0,NULL);
+ check_function(output);
+}
+
+int mkdir_test(void)
+{
+
+ char string[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ int mode=0,output=0;
+ strcpy(string,ROOT_PATH);
+ strcat(string,generate_random_string(FILE_NAME_LENGTH));
+ mode = ((S_IREAD|S_IWRITE)&random_int());
+ sprintf(message,"\nmaking directory: %s, with mode %d\n",string,mode);
+ print_message(3,message);
+ output= mkdir(string,mode);
+ return output;
+}
+
+int rmdir_test(void)
+{
+ char string[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ int output=0;
+ strcpy(string,ROOT_PATH);
+ strcat(string,generate_random_string(FILE_NAME_LENGTH));
+
+ sprintf(message,"\nremoving directory: %s\n",string);
+ print_message(3,message);
+ output= rmdir(string);
+ return output;
+}
+int symlink_test(void)
+{
+ char string[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ char string2[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ int output;
+ strcpy(string,ROOT_PATH);
+ strcat(string,generate_random_string(FILE_NAME_LENGTH));
+ strcpy(string2,ROOT_PATH);
+ strcat(string2,generate_random_string(FILE_NAME_LENGTH));
+ sprintf(message,"\nsymlink from: %s, to %s\n",string,string2);
+ print_message(3,message);
+ output= symlink(string,string2);
+ return output;
+}
+int rename_test(void)
+{
+ char string[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ char string2[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ int output;
+ strcpy(string,ROOT_PATH);
+ strcat(string,generate_random_string(FILE_NAME_LENGTH));
+ strcpy(string2,ROOT_PATH);
+ strcat(string2,generate_random_string(FILE_NAME_LENGTH));
+ sprintf(message,"\nrenaming from: %s, to %s\n",string,string2);
+ print_message(3,message);
+ output= rename(string,string2);
+ return output;
+}
+int link_test(void)
+{
+ char string[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ char string2[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ int output=0;
+ strcpy(string,ROOT_PATH);
+ strcat(string,generate_random_string(FILE_NAME_LENGTH));
+ strcpy(string2,ROOT_PATH);
+ strcat(string2,generate_random_string(FILE_NAME_LENGTH));
+ sprintf(message,"\nlink from: %s, to %s\n",string,string2);
+ print_message(3,message);
+ output= link(string,string2);
+ return output;
+}
+int mknod_test(void)
+{
+ char string[FILE_NAME_LENGTH+strlen(ROOT_PATH)];
+ int mode=0,dev=0,output=0;
+ strcpy(string,ROOT_PATH);
+ strcat(string,generate_random_string(FILE_NAME_LENGTH));
+ mode = ((S_IREAD|S_IWRITE)&random_int());
+ dev = random_int();
+ sprintf(message,"\nmaking node: %s, with mode %d, dev %d\n",string,mode,dev);
+ print_message(3,message);
+ output= mknod(string,mode,dev);
+ return output;
+}
projects / yaffs2.git / blobdiff