X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Ftimothy_tests%2Fdev%2Fyaffs_tester.c;fp=direct%2Ftimothy_tests%2Fdev%2Fyaffs_tester.c;h=3cab2761c1facbef18533b03f29c7c30a4b6bf3d;hp=0000000000000000000000000000000000000000;hb=86231ed7a8ebecf2e4821f9b426262045f941591;hpb=a34826e701dd381a293bb90b25a48d2bd58e8de8 diff --git a/direct/timothy_tests/dev/yaffs_tester.c b/direct/timothy_tests/dev/yaffs_tester.c new file mode 100644 index 0000000..3cab276 --- /dev/null +++ b/direct/timothy_tests/dev/yaffs_tester.c @@ -0,0 +1,164 @@ +/* + * 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 + * + * 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*/ + +} +