esp-idf/components/spiffs/test_spiffs_host/test_spiffs.cpp

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7.1 KiB
C++

#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <limits.h>
#include <unistd.h>
#include "esp_partition.h"
#include "spiffs.h"
#include "spiffs_nucleus.h"
#include "spiffs_api.h"
#include "catch.hpp"
extern "C" void _spi_flash_init(const char* chip_size, size_t block_size, size_t sector_size, size_t page_size, const char* partition_bin);
static void init_spiffs(spiffs *fs, uint32_t max_files)
{
spiffs_config cfg;
s32_t spiffs_res;
const esp_partition_t *partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_SPIFFS, "storage");
REQUIRE(partition);
// Configure objects needed by SPIFFS
esp_spiffs_t *user_data = (esp_spiffs_t*) calloc(1, sizeof(*user_data));
user_data->partition = partition;
fs->user_data = (void*)user_data;
cfg.hal_erase_f = spiffs_api_erase;
cfg.hal_read_f = spiffs_api_read;
cfg.hal_write_f = spiffs_api_write;
cfg.log_block_size = CONFIG_WL_SECTOR_SIZE;
cfg.log_page_size = CONFIG_SPIFFS_PAGE_SIZE;
cfg.phys_addr = 0;
cfg.phys_erase_block = CONFIG_WL_SECTOR_SIZE;
cfg.phys_size = partition->size;
uint32_t work_sz = cfg.log_page_size * 2;
uint8_t *work = (uint8_t*) malloc(work_sz);
uint32_t fds_sz = max_files * sizeof(spiffs_fd);
uint8_t *fds = (uint8_t*) malloc(fds_sz);
#if CONFIG_SPIFFS_CACHE
uint32_t cache_sz = sizeof(spiffs_cache) + max_files * (sizeof(spiffs_cache_page)
+ cfg.log_page_size);
uint8_t *cache = (uint8_t*) malloc(cache_sz);
#else
uint32_t cache_sz = 0;
uint8_t cache = NULL;
#endif
// Special mounting procedure: mount, format, mount as per
// https://github.com/pellepl/spiffs/wiki/Using-spiffs
spiffs_res = SPIFFS_mount(fs, &cfg, work, fds, fds_sz,
cache, cache_sz, spiffs_api_check);
if (spiffs_res == SPIFFS_ERR_NOT_A_FS) {
spiffs_res = SPIFFS_format(fs);
REQUIRE(spiffs_res >= SPIFFS_OK);
spiffs_res = SPIFFS_mount(fs, &cfg, work, fds, fds_sz,
cache, cache_sz, spiffs_api_check);
}
REQUIRE(spiffs_res >= SPIFFS_OK);
}
static void deinit_spiffs(spiffs *fs)
{
SPIFFS_unmount(fs);
free(fs->work);
free(fs->user_data);
free(fs->fd_space);
#if CONFIG_SPIFFS_CACHE
free(fs->cache);
#endif
}
static void check_spiffs_files(spiffs *fs, const char *base_path, char* cur_path)
{
DIR *dir;
struct dirent *entry;
size_t len = strlen(cur_path);
if (len == 0) {
strcpy(cur_path, base_path);
len = strlen(base_path);
}
dir = opendir(cur_path);
REQUIRE(dir != 0);
while ((entry = readdir(dir)) != NULL) {
char *name = entry->d_name;
char path[PATH_MAX] = { 0 };
// Read the file from host FS
strcpy(path, cur_path);
strcat(path, "/");
strcat(path, name);
struct stat sb;
stat(path, &sb);
if (S_ISDIR(sb.st_mode)) {
if (!strcmp(name, ".") || !strcmp(name, ".."))
continue;
cur_path[len] = '/';
strcpy(cur_path + len + 1, name);
check_spiffs_files(fs, base_path, cur_path);
cur_path[len] = '\0';
} else {
FILE* f = fopen(path , "r");
REQUIRE(f);
fseek(f, 0, SEEK_END);
long sz = ftell(f);
fseek(f, 0, SEEK_SET);
char *f_contents = (char*) malloc(sz);
fread(f_contents, 1, sz, f);
fclose(f);
s32_t spiffs_res;
// Read the file from SPIFFS
char *spiffs_path = path + strlen(base_path);
spiffs_res = SPIFFS_open(fs, spiffs_path, SPIFFS_RDONLY, 0);
REQUIRE(spiffs_res > SPIFFS_OK);
spiffs_file fd = spiffs_res;
spiffs_stat stat;
spiffs_res = SPIFFS_stat(fs, spiffs_path, &stat);
char *spiffs_f_contents = (char*) malloc(stat.size);
spiffs_res = SPIFFS_read(fs, fd, spiffs_f_contents, stat.size);
REQUIRE(spiffs_res == stat.size);
// Compare the contents
REQUIRE(sz == stat.size);
bool same = memcmp(f_contents, spiffs_f_contents, sz) == 0;
REQUIRE(same);
free(f_contents);
free(spiffs_f_contents);
}
}
closedir(dir);
}
TEST_CASE("format disk, open file, write and read file", "[spiffs]")
{
_spi_flash_init(CONFIG_ESPTOOLPY_FLASHSIZE, CONFIG_WL_SECTOR_SIZE * 16, CONFIG_WL_SECTOR_SIZE, CONFIG_WL_SECTOR_SIZE, "partition_table.bin");
spiffs fs;
s32_t spiffs_res;
init_spiffs(&fs, 5);
// Open test file
spiffs_res = SPIFFS_open(&fs, "test.txt", SPIFFS_O_CREAT | SPIFFS_O_RDWR, 0);
REQUIRE(spiffs_res >= SPIFFS_OK);
// Generate data
spiffs_file file = spiffs_res;
uint32_t data_size = 100000;
char *data = (char*) malloc(data_size);
char *read = (char*) malloc(data_size);
for(uint32_t i = 0; i < data_size; i += sizeof(i))
{
*((uint32_t*)(data + i)) = i;
}
// Write data to file
spiffs_res = SPIFFS_write(&fs, file, (void*)data, data_size);
REQUIRE(spiffs_res >= SPIFFS_OK);
REQUIRE(spiffs_res == data_size);
// Set the file object pointer to the beginning
spiffs_res = SPIFFS_lseek(&fs, file, 0, SPIFFS_SEEK_SET);
REQUIRE(spiffs_res >= SPIFFS_OK);
// Read the file
spiffs_res = SPIFFS_read(&fs, file, (void*)read, data_size);
REQUIRE(spiffs_res >= SPIFFS_OK);
REQUIRE(spiffs_res == data_size);
// Close the test file
spiffs_res = SPIFFS_close(&fs, file);
REQUIRE(spiffs_res >= SPIFFS_OK);
REQUIRE(memcmp(data, read, data_size) == 0);
deinit_spiffs(&fs);
free(read);
free(data);
}
TEST_CASE("can read spiffs image", "[spiffs]")
{
_spi_flash_init(CONFIG_ESPTOOLPY_FLASHSIZE, CONFIG_WL_SECTOR_SIZE * 16, CONFIG_WL_SECTOR_SIZE, CONFIG_WL_SECTOR_SIZE, "partition_table.bin");
spiffs fs;
s32_t spiffs_res;
const esp_partition_t *partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_SPIFFS, "storage");
// Write the contents of the image file to partition
FILE* img_file = fopen("image.bin", "r");
REQUIRE(img_file);
fseek(img_file, 0, SEEK_END);
long img_size = ftell(img_file);
fseek(img_file, 0, SEEK_SET);
char *img = (char*) malloc(img_size);
fread(img, 1, img_size, img_file);
fclose(img_file);
REQUIRE(partition->size == img_size);
esp_partition_erase_range(partition, 0, partition->size);
esp_partition_write(partition, 0, img, img_size);
free(img);
// Mount the spiffs partition and init filesystem, using the contents of
// the image file
init_spiffs(&fs, 1024);
// Check spiffs consistency
spiffs_res = SPIFFS_check(&fs);
REQUIRE(spiffs_res == SPIFFS_OK);
char path_buf[PATH_MAX];
// The image is created from the spiffs source directory. Compare the files in that
// directory to the files read from the SPIFFS image.
check_spiffs_files(&fs, "../spiffs", path_buf);
deinit_spiffs(&fs);
}