-/*
- * 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.
- */
-
-/*
- * yaffs_tester.c designed to stress test yaffs2 direct.
- */
-
-
-#include "yaffs_tester.h"
-
-
-
-int random_seed;
-int simulate_power_failure = 0;
-
-
-buffer message_buffer; /*create message_buffer */
-
-
-struct handle_regster{
- int handle[MAX_NUMBER_OF_OPENED_HANDLES];
- char path[MAX_NUMBER_OF_OPENED_HANDLES][100];
- int number_of_open_handles;
-};
-
-
-int main(int argc, char *argv[]){
- char yaffs_test_dir[] ="/yaffs2/test_dir"; /*the path to the directory where all of the testing will take place*/
- char yaffs_mount_dir[]="/yaffs2/"; /*the path to the mount point which yaffs will mount*/
-
- init(yaffs_test_dir,yaffs_mount_dir,argc,argv);
- test(yaffs_test_dir);
- yaffs_unmount(yaffs_mount_dir);
- return 0;
-}
-
-
-
-void init(char *yaffs_test_dir,char *yaffs_mount_dir,int argc, char *argv[]){
- char output=0;
- int x=0;
- int seed=-1;
- FILE *log_handle;
- /*these variables are already set to zero, but it is better not to take chances*/
- message_buffer.head=0;
- message_buffer.tail=0;
-
-
- log_handle=fopen(LOG_FILE,"w");
- if (log_handle!=NULL){
- fputs("log file for yaffs tester\n",log_handle);
- fclose(log_handle);
- }
- add_to_buffer(&message_buffer,"welcome to the yaffs tester",MESSAGE_LEVEL_BASIC_TASKS,PRINT);/* print boot up message*/
- yaffs_start_up();
- yaffs_mount(yaffs_mount_dir);
- for (x=0;x<argc;x++){
-// add_to_buffer(&message_buffer,"argv ",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
-// add_to_buffer(&message_buffer,argv[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- if (strcmp("-seed",argv[x])==0){ /*warning only compares the length of the strings, quick fix*/
- seed= atoi(argv[x+1]);
- /*add_to_buffer(&message_buffer,"setting seed to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,seed,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer,"\n",MESSAGE_LEVEL_BASIC_TASKS,PRINT);*/
- }
- }
- if (seed==-1){
- seed=time(NULL);
- srand(seed);
- }
- else {
- srand(seed);
- }
- add_to_buffer(&message_buffer,"setting seed to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,seed,MESSAGE_LEVEL_BASIC_TASKS,PRINT);/* print boot up message*/
-
- if (yaffs_access(yaffs_test_dir,0)) /* if the test folder does not exist then create it */
- {
- add_to_buffer(&message_buffer,"creating dir: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer,yaffs_test_dir,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- output=yaffs_mkdir(yaffs_test_dir,S_IREAD | S_IWRITE);
- yaffs_check_for_errors(output, &message_buffer,"could not create dir","created dir\n\n");
- }
-
-}
-void join_paths(char *path1,char *path2,char *new_path ){
-
-/* printf("strlen path1:%d\n",strlen(path1));
- printf("strlen path2:%d\n",strlen(path2));
- printf("path1; %s\n",path1);
-*/
- add_to_buffer(&message_buffer, "joining paths:",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer,path1,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer, " and ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer, path2,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- if ( (path1[(sizeof(path1)/sizeof(char))-2]=='/') && path2[0]!='/') {
- /*paths are compatiable. concatanate them. note -2 is because of \0*/
- strcat(new_path,path1);
- strcat(new_path,path2);
- //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))];
- //strcpy(new_path,strcat(path1,path2));
- //return new_path;
- }
- else if ((path1[(sizeof(path1)/sizeof(char))-2]!='/') && path2[0]=='/') {
- /*paths are compatiable. concatanate them*/
- strcat(new_path,path1);
- strcat(new_path,path2);
- //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))];
- //strcpy(new_path,strcat(path1,path2));
- //return new_path;
- }
- else if ((path1[(sizeof(path1)/sizeof(char))-2]!='/') && path2[0]!='/') {
- /*need to add a "/". */
- strcat(new_path,path1);
- strcat(new_path,"/");
- strcat(new_path,path2);
- //strcpy(new_path,strcat(path1,strcat("/\0",path2)));
-
-#if 0
- copy_array(path1,new_path,0,0);
- copy_array('\0',new_path,0,(sizeof(path1)/sizeof(char)));
- copy_array(path2,new_path,0,(sizeof(path1)/sizeof(char))+1);
- old method now trying to use copy_array
- //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))+1];
- for (x=0;x<=(sizeof(path1)/sizeof(char))-1;x++){
- new_path[x]=path1[x];
- }
- new_path[x+1]='/';
- for (x=(sizeof(path1)/sizeof(char)) ,i=0 ;i<=(sizeof(path2)/sizeof(char));x++,i++){
- new_path[x]=path2[i];
- }
-#endif
-
- //return new_path;
- }
- else if ((path1[(sizeof(path1)/sizeof(char))-2]=='/') && path2[0]=='/') {
- /*need to remove a "/". */
- /*yaffs does not mind the extra slash. */
- //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))-1];
-
- strcat(new_path,path1);
- strcat(new_path,path2);
- //strcpy(new_path,strcat(path1,strncat("",path2,(sizeof(path1)/sizeof(char))-1)));
- //return new_path;
- }
- else{
- //error
- //return -1;
- }
-}
-
-void open_file();
-void stat_file(char *path){
- int output=0;
- struct yaffs_stat stat;
- if (yaffs_access(path,0)==0){
- add_to_buffer(&message_buffer,"file exists, trying to stat: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- add_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- output=yaffs_lstat(path,&stat);
- yaffs_check_for_errors(output, &message_buffer,"failed to stat file","statted file");
- //stat.st_ino,(int)stat.st_size,stat.st_mode
- add_to_buffer(&message_buffer,"yaffs inode: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,stat.st_ino,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer," file size: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,(int)stat.st_size,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer," file mode: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,stat.st_mode,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- }
- else{
- add_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer," does not exist,could not stat",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- }
-}
-
-void test(char*yaffs_test_dir){
- struct yaffs_stat stat;
- int output=0;
- char name[MAX_FILE_NAME_SIZE+3 ]="apple\0";
- char path[MAX_FILE_NAME_SIZE];
- struct handle_regster open_handles_array;
- //int handle_pointers[MAX_NUMBER_OF_OPENED_HANDLES];
- //int number_of_opened_handles=0;
- int x=0;
- join_paths(yaffs_test_dir,name,path);
-
- open_handles_array.number_of_open_handles=0;
- for (x=0;x<MAX_NUMBER_OF_OPENED_HANDLES;x++){
- open_handles_array.handle[x]=-3;
- open_handles_array.path[x][0]='\0';
-
- }
- while(1)
- {
- path[0]='\0';// this should clear the path
- add_to_buffer(&message_buffer,"number of opened handles: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,open_handles_array.number_of_open_handles,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- if (open_handles_array.number_of_open_handles<MAX_NUMBER_OF_OPENED_HANDLES)
- {
- generate_random_string(name);
- join_paths(yaffs_test_dir,name,path);
- add_to_buffer(&message_buffer,"trying to open file: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- if (yaffs_access(path,0)==0){
- stat_file(path);
- }
- else {
- add_to_buffer(&message_buffer,"file does not exists, creating file",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- }
-
- output=yaffs_open(path,O_CREAT | O_TRUNC| O_RDWR, S_IREAD | S_IWRITE);
- x=0;
- for (x=0;open_handles_array.handle[x]!=-3 && x<MAX_NUMBER_OF_OPENED_HANDLES;x++){
- //x=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
- }
-
- add_to_buffer(&message_buffer,"handle array id ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,x,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
-
- //for (x=0;handle_pointers[x]!=NULL;x++){}
- open_handles_array.handle[x]=output;
- open_handles_array.path[x][0]='\0';
- strcat(open_handles_array.path[x],path);
- add_to_buffer(&message_buffer,"yaffs handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,output,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- add_to_buffer(&message_buffer,"stored handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
-
- //yaffs_open will return a null pointer if it cannot open a file. check for errors will not work.
- yaffs_check_for_errors(output, &message_buffer,"failed to open file","opened file");
-
- open_handles_array.number_of_open_handles++;
- }
- else{ /*run out of space on the handle pointer array*/
- /*make space*/
- while (open_handles_array.handle[x]==-3){
- x=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
- }
- add_to_buffer(&message_buffer,"trying to close file: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_to_buffer(&message_buffer,open_handles_array.path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
- add_to_buffer(&message_buffer,"file handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
- append_int_to_buffer(&message_buffer,open_handles_array.handle[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
-
- stat_file(open_handles_array.path[x]);
-
- output=yaffs_close(open_handles_array.handle[x]);
-
- if (output==-1) yaffs_check_for_errors(output, &message_buffer,"failed to close file","closed file");
- else {
- yaffs_check_for_errors(output, &message_buffer,"failed to close file","closed file");
- open_handles_array.handle[x]=-3;
- open_handles_array.path[x][0]='\0';
- open_handles_array.number_of_open_handles--;
- }
- }
- }
-}
-void generate_random_string(char *ptr){
- unsigned int x;
- unsigned int length=((rand() %MAX_FILE_NAME_SIZE)+1); /*creates a int with the number of charecters been between 1 and 51*/
- char letter='\0';
-
- //printf("generating string\n");
- //printf("string length is %d\n",length);
- for (x=0; x <= (length-2) &&length>2 ; x++)
- {
- //printf("x=%d\n",x);
- /* keep generating a charecter until the charecter is legal*/
- while((letter=='\0' )||(letter=='/')||(letter=='\\')){
- letter=(rand() % 126-32)+32; /*generate a number between 32 and 126 and uses it as a charecter (letter) */
- }
- ptr[x]=letter;
- //printf("charecter generated is %c\n",ptr[x]);
- }
- ptr[x+1]='\0'; /*adds NULL charecter to turn it into a string*/
-
-}
-
projects / yaffs2.git / blobdiff