$(YAFFSSYMLINKS):
- ln -s ../../$@ $@
+ ln -s ../../../$@ $@
$(YAFFSDIRECTSYMLINKS):
- ln -s ../$@ $@
+ ln -s ../../$@ $@
$(DIRECTEXTRASYMLINKS):
- ln -s ../basic-test/$@ $@
+ ln -s ../../basic-test/$@ $@
yaffs_tester: $(SYMLINKS) $(YAFFSTESTOBJS)
--- /dev/null
+# Makefile for YAFFS direct stress tests
+#
+#
+# YAFFS: Yet another Flash File System. A NAND-flash specific file system.
+#
+# Copyright (C) 2003-2010 Aleph One Ltd.
+#
+#
+# Created by Charles Manning <charles@aleph1.co.uk>
+#
+# 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.
+#
+# NB Warning this Makefile does not include header dependencies.
+#
+# $Id: Makefile,v 1.7 2010-02-25 22:34:47 charles Exp $
+
+#EXTRA_COMPILE_FLAGS = -DYAFFS_IGNORE_TAGS_ECC
+
+CFLAGS = -DCONFIG_YAFFS_DIRECT -DCONFIG_YAFFS_SHORT_NAMES_IN_RAM -DCONFIG_YAFFS_YAFFS2
+CFLAGS += -DCONFIG_YAFFS_PROVIDE_DEFS -DCONFIG_YAFFSFS_PROVIDE_VALUES
+CFLAGS += -Wall -g $(EXTRA_COMPILE_FLAGS) -Wstrict-aliasing
+#CFLAGS += -fno-strict-aliasing
+CFLAGS += -O0
+CFLAGS += -Wextra -Wpointer-arith
+#CFLAGS += -DCONFIG_YAFFS_VALGRIND_TEST
+
+#CFLAGS+= -Wshadow -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Wmissing-declarations
+#CFLAGS+= -Wmissing-prototypes -Wredundant-decls -Wnested-externs -Winline
+
+
+COMMONTESTOBJS = yaffscfg2k.o yaffs_ecc.o yaffs_fileem.o yaffs_fileem2k.o yaffsfs.o yaffs_guts.o \
+ yaffs_packedtags1.o yaffs_ramdisk.o yaffs_ramem2k.o \
+ yaffs_tagscompat.o yaffs_packedtags2.o yaffs_tagsvalidity.o yaffs_nand.o \
+ yaffs_checkptrw.o yaffs_qsort.o\
+ yaffs_nameval.o \
+ yaffs_norif1.o ynorsim.o \
+ yaffs_allocator.o \
+ yaffs_bitmap.o \
+ yaffs_yaffs1.o \
+ yaffs_yaffs2.o \
+ yaffs_verify.o
+
+# yaffs_checkptrwtest.o\
+
+YAFFSTESTOBJS = $(COMMONTESTOBJS) yaffs_tester.o message_buffer.o error_handler.o
+
+
+ALLOBJS = $(sort $(YAFFSTESTOBJS))
+
+YAFFSSYMLINKS = devextras.h yaffs_ecc.c yaffs_ecc.h yaffs_guts.c yaffs_guts.h yaffsinterface.h yportenv.h yaffs_tagscompat.c yaffs_tagscompat.h \
+ yaffs_packedtags1.c yaffs_packedtags1.h yaffs_packedtags2.c yaffs_packedtags2.h yaffs_nandemul2k.h \
+ yaffs_nand.c yaffs_nand.h yaffs_getblockinfo.h yaffs_list.h \
+ yaffs_tagsvalidity.c yaffs_tagsvalidity.h yaffs_checkptrw.h yaffs_checkptrw.c \
+ yaffs_nameval.c yaffs_nameval.h \
+ yaffs_qsort.c yaffs_qsort.h yaffs_trace.h \
+ yaffs_allocator.c yaffs_allocator.h \
+ yaffs_yaffs1.c yaffs_yaffs1.h \
+ yaffs_yaffs2.c yaffs_yaffs2.h \
+ yaffs_bitmap.c yaffs_bitmap.h \
+ yaffs_verify.c yaffs_verify.h
+
+YAFFSDIRECTSYMLINKS = yaffsfs.c yaffs_flashif.h yaffs_flashif2.h\
+ yaffsfs.h yaffs_malloc.h ydirectenv.h \
+ yaffs_flashif.c yaffscfg.h \
+ yaffs_nandif.c yaffs_nandif.h
+
+
+DIRECTEXTRASYMLINKS = yaffscfg2k.c yaffs_fileem2k.c yaffs_fileem2k.h\
+ yaffs_fileem.c yaffs_norif1.c yaffs_norif1.h \
+ yaffs_ramdisk.c yaffs_ramdisk.h yaffs_ramem2k.c \
+ ynorsim.h ynorsim.c
+
+SYMLINKS = $(YAFFSSYMLINKS) $(YAFFSDIRECTSYMLINKS) $(DIRECTEXTRASYMLINKS)
+#all: directtest2k boottest
+
+all: yaffs_tester
+
+$(ALLOBJS): %.o: %.c
+ gcc -c $(CFLAGS) -o $@ $<
+
+
+$(YAFFSSYMLINKS):
+ ln -s ../../../$@ $@
+
+$(YAFFSDIRECTSYMLINKS):
+ ln -s ../../$@ $@
+
+$(DIRECTEXTRASYMLINKS):
+ ln -s ../../basic-test/$@ $@
+
+
+yaffs_tester: $(SYMLINKS) $(YAFFSTESTOBJS)
+ gcc $(CFLLAG) -o $@ $(YAFFSTESTOBJS)
+
+
+
+
+
+
+clean:
+ rm -f yaffs_tester $(ALLOBJS) core $(SYMLINKS)
--- /dev/null
+This directory "freezes" the yaffs_tester programs in the state in which they produce a specific bug.
+
+This yaffs_tester testes the bug "error code 0, when yaffs has run out of handles"
+the yaffs_tester program may crash with another error before running out of handles.
+To fix this make clean the to reseed the rand function producing random names.
+
--- /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.
+ */
+
+/*
+ * error_handler.c contains code for checking yaffs function calls for errors.
+ */
+#include "error_handler.h"
+
+void yaffs_check_for_errors(char output, buffer *message_buffer,char error_message[],char success_message[])
+{
+ char dummy='0';
+ if (output==-1)
+ {
+ add_to_buffer(message_buffer, "\nerror##########",MESSAGE_LEVEL_ERROR,PRINT);
+ add_to_buffer(message_buffer, error_message,MESSAGE_LEVEL_ERROR,PRINT);
+ add_to_buffer(message_buffer, "error_code: ",MESSAGE_LEVEL_ERROR,PRINT);
+ if (MESSAGE_LEVEL_ERROR<=DEBUG_LEVEL) printf("%d\n\n\n",yaffs_get_error()); /*cannot yet add int types to buffer. this is a quick fix*/
+ scanf("%c",dummy);
+ //print_buffer(message_buffer,PRINT_ALL);
+
+ }
+ else{
+ add_to_buffer(message_buffer, success_message,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ }
+
+}
--- /dev/null
+/*
+ * YAFFS: Yet another Flash File System . 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 Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __error_handler_h__
+#define __error_handler_h__
+#include <stdio.h>
+#include "message_buffer.h"
+#include "yaffsfs.h"
+#define DEBUG_LEVEL 5 /*set the debug level. this is used to display the relevent debug messages*/
+void yaffs_check_for_errors(char output, buffer *message_buffer, char error_message[], char success_message[]);
+#endif
--- /dev/null
+Found bugs in yaffs
+
+Error code 0 bug (run out of handles)
+ By opening lots of files and not closing them yaffs can run out of handles.
+ The error code given by yaffs_get_error() returns 0. this error is not defined in yportenv.h
+
--- /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.
+ */
+
+/*
+ * message_buffer.c contains code for a message buffer .
+ */
+
+#include "message_buffer.h"
+
+void append_to_buffer(buffer *p_Buffer, char *message,char message_level,char print){
+ /*wrapper function for add_to_buffer_root_function*/
+ add_to_buffer_root_function(p_Buffer,message, message_level,APPEND_MESSAGE,print);
+}
+
+void add_to_buffer(buffer *p_Buffer, char *message,char message_level,char print){
+ /*wrapper function for add_to_buffer_root_function*/
+ add_to_buffer_root_function(p_Buffer,message, message_level,DO_NOT_APPEND_MESSAGE,print);
+}
+
+void add_to_buffer_root_function(buffer *p_Buffer, char *message,char message_level,char append,char print){
+
+ if (append==APPEND_MESSAGE){ /* append current message*/
+ strncat(p_Buffer->message[p_Buffer->head],message,BUFFER_MESSAGE_LENGTH);
+ }
+ else {
+
+ /*move the head up one. the head always points at the last written data*/
+ p_Buffer->head++;
+
+ /*printf("p_Buffer->tail=%d\n",p_Buffer->tail);*/
+ /*printf("p_Buffer->head=%d\n",p_Buffer->head);*/
+ if (p_Buffer->head >=BUFFER_SIZE-1) {
+ /*printf("buffer overflow\n");*/
+ p_Buffer->head -= (BUFFER_SIZE-1); /*wrap the head around the buffer*/
+ /*printf("new p_Buffer->head=%d\n",p_Buffer->head);*/
+ }
+ /*if the buffer is full then delete last entry by moving the tail*/
+ if (p_Buffer->head==p_Buffer->tail){
+ /*printf("moving buffer tail from %d to ",p_Buffer->tail);*/
+ p_Buffer->tail++;
+ if (p_Buffer->tail >=BUFFER_SIZE) p_Buffer->tail -= BUFFER_SIZE;/*wrap the tail around the buffer*/
+ /*printf("%d\n",p_Buffer->tail);*/
+
+ }
+
+ p_Buffer->message_level[p_Buffer->head]=message_level; /*copy the message level*/
+ strncpy(p_Buffer->message[p_Buffer->head],message,BUFFER_MESSAGE_LENGTH); /*copy the message*/
+ /*printf("copied %s into p_Buffer->message[p_Buffer->head]: %s\n",message,p_Buffer->message[p_Buffer->head]);
+ printf("extra %s\n",p_Buffer->message[p_Buffer->head]);*/
+ }
+ if ((p_Buffer->message_level[p_Buffer->head]<=DEBUG_LEVEL)&& (print==PRINT)){
+ /*printf("printing buffer 1\n");
+ // the print buffer function is not working this is just a quick fix
+ print_buffer(p_Buffer,1); //if the debug level is higher enough then print the new message
+ */
+ printf("%s\n",p_Buffer->message[p_Buffer->head]);
+ }
+}
+
+
+
+void print_buffer(buffer *p_Buffer, int number_of_messages_to_print){
+ int x=0;
+ int i=0;
+ printf("print buffer\n");
+ printf("buffer head:%d\n",p_Buffer->head);
+ printf("buffer tail:%d\n",p_Buffer->tail);
+
+ if (number_of_messages_to_print==PRINT_ALL) number_of_messages_to_print=BUFFER_SIZE;
+// printf("number_of_messages_to_print=%d\n",number_of_messages_to_print);
+ for (i=0,x=0; (x>=p_Buffer->tail) && (i<number_of_messages_to_print); i++, x--){
+// printf("printing buffer\n");
+// printf("x:%d\n",x);
+ if (x<0) x = BUFFER_SIZE-1; /*wrap x around buffer*/
+ printf("%s\n",p_Buffer->message[p_Buffer->head]);
+ printf("printed buffer\n");
+ }
+
+}
+
--- /dev/null
+/*
+ * YAFFS: Yet another Flash File System . 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 Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __message_buffer__
+#define __message_buffer__
+
+#include <stdio.h>
+#include <string.h>
+#define PRINT 1
+#define NPRINT 0
+#define APPEND_MESSAGE 1
+#define DO_NOT_APPEND_MESSAGE 0
+#define PRINT_ALL -1 /*this is used to print all of the messages in a buffer*/
+#define BUFFER_MESSAGE_LENGTH 60 /*number of char in message*/
+#define BUFFER_SIZE 50 /*number of messages in buffer*/
+#define MESSAGE_LEVEL_ERROR 0
+#define MESSAGE_LEVEL_BASIC_TASKS 1
+typedef struct buffer_template{
+ char message[BUFFER_SIZE][BUFFER_MESSAGE_LENGTH];
+ int head;
+ int tail;
+ char message_level[BUFFER_SIZE];
+}buffer;
+#include "error_handler.h" /*include this for the debug level*/
+
+
+void print_buffer(buffer *p_Buffer,int number_of_messages_to_print); /*print messages in the buffer*/
+/*wrapper functions for add_to_buffer_root_function*/
+void add_to_buffer(buffer *p_Buffer, char *message,char message_level,char print);
+void append_to_buffer(buffer *p_Buffer, char *message,char message_level,char print);
+
+void add_to_buffer_root_function(buffer *p_Buffer, char *message,char message_level,char append,char print);
+#endif
--- /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*/
+
+}
+
--- /dev/null
+/*
+ * YAFFS: Yet another Flash File System . 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 Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __YAFFS_TESTER_H__
+ #define __YAFFS_TESTER_H__
+
+#include <string.h>
+#include <stdio.h>
+
+#include "yaffsfs.h" /* it is in "yaffs2/direct/" link it in the Makefile */
+#include "message_buffer.h"
+#include "error_handler.h"
+
+
+#define MAX_FILE_NAME_SIZE 51
+
+void init(char *yaffs_test_dir,char *yaffs_mount_dir); /*sets up yaffs and mounts yaffs */
+void test(char *yaffs_test_dir); /*contains the test code*/
+void generate_random_string(char *ptr); /*generates a random string of letters to be used for a name*/
+void join_paths(char *path1,char *path2,char *newpath );
+void copy_array(char *from,char *to, unsigned int from_offset,unsigned int to_offset);
+#endif
projects / yaffs2.git / commitdiff