--- /dev/null
+/*
+ * 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 */
+
+
+
+int main(){
+ 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);
+ test(yaffs_test_dir);
+ yaffs_unmount(yaffs_mount_dir);
+ return 0;
+}
+
+
+void init(char *yaffs_test_dir,char *yaffs_mount_dir){
+ char output=0;
+ /*these variables are already set to zero, but it is better not to take chances*/
+ message_buffer.head=0;
+ message_buffer.tail=0;
+
+ 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);
+
+ if (yaffs_access(yaffs_test_dir,0))
+ {
+ 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 test(char*yaffs_test_dir){
+ char output=0;
+ char name[MAX_FILE_NAME_SIZE+3 ]="apple\0";
+ char path[MAX_FILE_NAME_SIZE];
+ join_paths(yaffs_test_dir,name,path);
+ while(1)
+ {
+ path[0]='\0';// this should clear the path
+ 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);
+ output=yaffs_open(path,O_CREAT | O_TRUNC| O_RDWR, S_IREAD | S_IWRITE);
+ yaffs_check_for_errors(output, &message_buffer,"failed to open file","opened file");
+ }
+}
+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