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/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.h>
#include <fstest.h>
#include <sys/stat.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <rtems/jffs2.h>
const char rtems_test_name[] = "FSJFFS2GC 1";
static const rtems_jffs2_info info_initial = {
.flash_size = 131072,
.flash_blocks = 8,
.flash_block_size = 16384,
.used_size = 96,
.dirty_size = 0,
.wasted_size = 0,
.free_size = 130976,
.bad_size = 0,
.clean_blocks = 0,
.dirty_blocks = 0,
.erasable_blocks = 0,
.free_blocks = 8,
.bad_blocks = 0
};
static const rtems_jffs2_info info_big_created = {
.flash_size = 131072,
.flash_blocks = 8,
.flash_block_size = 16384,
.used_size = 22292,
.dirty_size = 0,
.wasted_size = 164,
.free_size = 108616,
.bad_size = 0,
.clean_blocks = 1,
.dirty_blocks = 0,
.erasable_blocks = 0,
.free_blocks = 7,
.bad_blocks = 0
};
static const rtems_jffs2_info info_big_removed = {
.flash_size = 131072,
.flash_blocks = 8,
.flash_block_size = 16384,
.used_size = 72,
.dirty_size = 16384,
.wasted_size = 6000,
.free_size = 108616,
.bad_size = 0,
.clean_blocks = 0,
.dirty_blocks = 0,
.erasable_blocks = 1,
.free_blocks = 7,
.bad_blocks = 0
};
static const rtems_jffs2_info info_more_files_created = {
.flash_size = 131072,
.flash_blocks = 8,
.flash_block_size = 16384,
.used_size = 54896,
.dirty_size = 23336,
.wasted_size = 36,
.free_size = 52804,
.bad_size = 0,
.clean_blocks = 2,
.dirty_blocks = 1,
.erasable_blocks = 1,
.free_blocks = 4,
.bad_blocks = 0
};
static const rtems_jffs2_info info_some_files_removed = {
.flash_size = 131072,
.flash_blocks = 8,
.flash_block_size = 16384,
.used_size = 23528,
.dirty_size = 47372,
.wasted_size = 7368,
.free_size = 52804,
.bad_size = 0,
.clean_blocks = 0,
.dirty_blocks = 3,
.erasable_blocks = 1,
.free_blocks = 4,
.bad_blocks = 0
};
static char big[] = "big";
static const char * const more[] = {
"1",
"2",
"3",
"4",
"5",
"6",
"7"
};
#define ASSERT_INFO(a, b) do { \
rv = ioctl(fd, RTEMS_JFFS2_GET_INFO, &info); \
rtems_test_assert(rv == 0); \
rtems_test_assert(memcmp(a, b, sizeof(*a)) == 0); \
} while (0)
static const mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
static char keg[523];
static uint32_t simple_random(uint32_t v)
{
v *= 1664525;
v += 1013904223;
return v;
}
static void init_keg(void)
{
size_t i;
uint32_t v;
v = 123;
for (i = 0; i < sizeof(keg); ++i) {
v = simple_random(v);
keg[i] = (uint8_t) (v >> 23);
}
}
static void write_kegs(int fd, int kegs)
{
int i;
for (i = 0; i < kegs; ++i) {
ssize_t n;
n = write(fd, &keg[0], sizeof(keg));
rtems_test_assert(n == (ssize_t) sizeof(keg));
}
}
static void create_big_file(void)
{
int fd;
int rv;
fd = open(&big[0], O_WRONLY | O_TRUNC | O_CREAT, mode);
rtems_test_assert(fd >= 0);
write_kegs(fd, 37);
rv = close(fd);
rtems_test_assert(rv == 0);
}
static void remove_big_file(void)
{
int rv;
rv = unlink(&big[0]);
rtems_test_assert(rv == 0);
}
static void create_more_files(void)
{
int fds[RTEMS_ARRAY_SIZE(more)];
int rv;
size_t i;
int j;
for (i = 0; i < RTEMS_ARRAY_SIZE(fds); ++i) {
fds[i] = open(more[i], O_WRONLY | O_TRUNC | O_CREAT, mode);
rtems_test_assert(fds[i] >= 0);
}
for (j = 0; j < 13; ++j) {
for (i = 0; i < RTEMS_ARRAY_SIZE(fds); ++i) {
write_kegs(fds[i], 1);
}
}
for (i = 0; i < RTEMS_ARRAY_SIZE(fds); ++i) {
rv = close(fds[i]);
rtems_test_assert(rv == 0);
}
}
static void remove_some_files(void)
{
size_t i;
for (i = 0; i < RTEMS_ARRAY_SIZE(more); i += 2) {
int rv;
rv = unlink(more[i]);
rtems_test_assert(rv == 0);
}
}
void test(void)
{
int fd;
int rv;
rtems_jffs2_info info;
init_keg();
fd = open("/", O_RDONLY);
rtems_test_assert(fd >= 0);
ASSERT_INFO(&info, &info_initial);
create_big_file();
ASSERT_INFO(&info, &info_big_created);
remove_big_file();
ASSERT_INFO(&info, &info_big_removed);
create_more_files();
ASSERT_INFO(&info, &info_more_files_created);
remove_some_files();
ASSERT_INFO(&info, &info_some_files_removed);
rv = close(fd);
rtems_test_assert(rv == 0);
}
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