s32_t SPIFFS_creat(spiffs *fs, char *path, spiffs_mode mode) {
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_obj_id obj_id;
s32_t res;
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, (u8_t *)path);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (u8_t *)path, SPIFFS_TYPE_FILE, 0);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
}
s32_t SPIFFS_fflush(spiffs *fs, spiffs_file fh) {
(void)fh;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
s32_t res = SPIFFS_OK;
#if SPIFFS_CACHE_WR
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs,res);
SPIFFS_UNLOCK(fs);
#endif
return res;
}
s32_t SPIFFS_rename(spiffs *fs, const char *old_path, const char *new_path) {
#if SPIFFS_READ_ONLY
(void)fs; (void)old_path; (void)new_path;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(new_path) > SPIFFS_OBJ_NAME_LEN - 1 ||
strlen(old_path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_page_ix pix_old, pix_dummy;
spiffs_fd *fd;
s32_t res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)old_path, &pix_old);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)new_path, &pix_dummy);
if (res == SPIFFS_ERR_NOT_FOUND) {
res = SPIFFS_OK;
} else if (res == SPIFFS_OK) {
res = SPIFFS_ERR_CONFLICTING_NAME;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix_old, fd, 0, 0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_update_index_hdr(fs, fd, fd->obj_id, fd->objix_hdr_pix, 0, (const u8_t*)new_path,
0, &pix_dummy);
spiffs_fd_return(fs, fd->file_nbr);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return res;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_stat(spiffs *fs, const char *path, spiffs_stat *s) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
s32_t res;
spiffs_page_ix pix;
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)path, &pix);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_stat_pix(fs, pix, 0, s);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_check(spiffs *fs) {
s32_t res;
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_lookup_consistency_check(fs, 0);
res = spiffs_object_index_consistency_check(fs);
res = spiffs_page_consistency_check(fs);
res = spiffs_obj_lu_scan(fs);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t ICACHE_FLASH_ATTR SPIFFS_check(spiffs *fs) {
s32_t res;
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_lookup_consistency_check(fs, 0);
res = spiffs_object_index_consistency_check(fs);
// NODE_ERR("before spiffs_object_index_consistency_check\n");
res = spiffs_page_consistency_check(fs);
// NODE_ERR("spiffs_page_consistency_check\n");
res = spiffs_obj_lu_scan(fs);
// NODE_ERR("spiffs_obj_lu_scan\n");
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_read(spiffs *fs, spiffs_file fh, void *buf, s32_t len) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if ((fd->flags & SPIFFS_RDONLY) == 0) {
res = SPIFFS_ERR_NOT_READABLE;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
if (fd->fdoffset + len >= fd->size) {
// reading beyond file size
s32_t avail = fd->size - fd->fdoffset;
if (avail <= 0) {
SPIFFS_API_CHECK_RES_UNLOCK(fs, SPIFFS_ERR_END_OF_OBJECT);
}
res = spiffs_object_read(fd, fd->fdoffset, avail, (u8_t*)buf);
if (res == SPIFFS_ERR_END_OF_OBJECT) {
fd->fdoffset += avail;
SPIFFS_UNLOCK(fs);
return avail;
} else {
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
len = avail;
}
} else {
// reading within file size
res = spiffs_object_read(fd, fd->fdoffset, len, (u8_t*)buf);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset += len;
SPIFFS_UNLOCK(fs);
return len;
}
s32_t SPIFFS_gc(spiffs *fs, u32_t size) {
#if SPIFFS_READ_ONLY
(void)fs; (void)size;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_gc_check(fs, size);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_gc_quick(spiffs *fs, u16_t max_free_pages) {
#if SPIFFS_READ_ONLY
(void)fs; (void)max_free_pages;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_gc_quick(fs, max_free_pages);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_lseek(spiffs *fs, spiffs_file fh, s32_t offs, int whence) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
fh = SPIFFS_FH_UNOFFS(fs, fh);
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES(fs, res);
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
switch (whence) {
case SPIFFS_SEEK_CUR:
offs = fd->fdoffset+offs;
break;
case SPIFFS_SEEK_END:
offs = (fd->size == SPIFFS_UNDEFINED_LEN ? 0 : fd->size) + offs;
break;
}
if ((offs > (s32_t)fd->size) && (SPIFFS_UNDEFINED_LEN != fd->size)) {
res = SPIFFS_ERR_END_OF_OBJECT;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
spiffs_span_ix data_spix = offs / SPIFFS_DATA_PAGE_SIZE(fs);
spiffs_span_ix objix_spix = SPIFFS_OBJ_IX_ENTRY_SPAN_IX(fs, data_spix);
if (fd->cursor_objix_spix != objix_spix) {
spiffs_page_ix pix;
res = spiffs_obj_lu_find_id_and_span(
fs, fd->obj_id | SPIFFS_OBJ_ID_IX_FLAG, objix_spix, 0, &pix);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
fd->cursor_objix_spix = objix_spix;
fd->cursor_objix_pix = pix;
}
fd->fdoffset = offs;
SPIFFS_UNLOCK(fs);
return offs;
}
spiffs_file SPIFFS_open_by_page(spiffs *fs, spiffs_page_ix page_ix, spiffs_flags flags, spiffs_mode mode) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if (SPIFFS_IS_LOOKUP_PAGE(fs, page_ix)) {
res = SPIFFS_ERR_NOT_A_FILE;
spiffs_fd_return(fs, fd->file_nbr);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
res = spiffs_object_open_by_page(fs, page_ix, fd, flags, mode);
if (res == SPIFFS_ERR_IS_FREE ||
res == SPIFFS_ERR_DELETED ||
res == SPIFFS_ERR_NOT_FINALIZED ||
res == SPIFFS_ERR_NOT_INDEX ||
res == SPIFFS_ERR_INDEX_SPAN_MISMATCH) {
res = SPIFFS_ERR_NOT_A_FILE;
}
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if !SPIFFS_READ_ONLY
if (flags & SPIFFS_O_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#endif // !SPIFFS_READ_ONLY
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return SPIFFS_FH_OFFS(fs, fd->file_nbr);
}
s32_t SPIFFS_close(spiffs *fs, spiffs_file fh) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
s32_t res = SPIFFS_OK;
SPIFFS_LOCK(fs);
#if SPIFFS_CACHE
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = spiffs_fd_return(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_tell(spiffs *fs, spiffs_file fh) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES(fs, res);
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
res = fd->fdoffset;
SPIFFS_UNLOCK(fs);
return res;
}
s32_t ICACHE_FLASH_ATTR SPIFFS_eof(spiffs *fs, spiffs_file fh) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES(fs, res);
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
res = (fd->fdoffset == fd->size);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t spiffs_remove(spiffs *fs, const char *path) {
#if SPIFFS_READ_ONLY
(void)fs;
(void)path;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
s32_t res;
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)path, &pix);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix, fd, 0,0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_truncate(fd, 0, 1);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_stat(spiffs *fs, const char *path, spiffs_stat *s) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
s32_t res;
spiffs_page_ix pix;
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)path, &pix);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_stat_pix(fs, pix, 0, s);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_fstat(spiffs *fs, spiffs_file fh, spiffs_stat *s) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
res = spiffs_stat_pix(fs, fd->objix_hdr_pix, fh, s);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t spiffs_tell(spiffs *fs, spiffs_file fh) {
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
spiffs_fd *fd;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = fd->fdoffset;
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_eof(spiffs *fs, spiffs_file fh) {
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
spiffs_fd *fd;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = (fd->fdoffset >= (fd->size == SPIFFS_UNDEFINED_LEN ? 0 : fd->size));
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_rename(spiffs *fs, const char *old, const char *newname) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_page_ix pix_old, pix_dummy;
spiffs_fd *fd;
s32_t res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)old, &pix_old);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)newname, &pix_dummy);
if (res == SPIFFS_ERR_NOT_FOUND) {
res = SPIFFS_OK;
} else if (res == SPIFFS_OK) {
res = SPIFFS_ERR_CONFLICTING_NAME;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix_old, fd, 0, 0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_update_index_hdr(fs, fd, fd->obj_id, fd->objix_hdr_pix, 0, (u8_t*)newname,
0, &pix_dummy);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_check(spiffs *fs) {
#if SPIFFS_READ_ONLY
(void)fs;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_lookup_consistency_check(fs, 0);
res = spiffs_object_index_consistency_check(fs);
res = spiffs_page_consistency_check(fs);
res = spiffs_obj_lu_scan(fs);
SPIFFS_UNLOCK(fs);
return res;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_creat(spiffs *fs, const char *path, spiffs_mode mode) {
#if SPIFFS_READ_ONLY
(void)fs; (void)path; (void)mode;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_obj_id obj_id;
s32_t res;
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, (const u8_t*)path);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (const u8_t*)path, SPIFFS_TYPE_FILE, 0);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_info(spiffs *fs, u32_t *total, u32_t *used) {
s32_t res = SPIFFS_OK;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
u32_t pages_per_block = SPIFFS_PAGES_PER_BLOCK(fs);
u32_t blocks = fs->block_count;
u32_t obj_lu_pages = SPIFFS_OBJ_LOOKUP_PAGES(fs);
u32_t data_page_size = SPIFFS_DATA_PAGE_SIZE(fs);
u32_t total_data_pages = (blocks - 2) * (pages_per_block - obj_lu_pages) + 1; // -2 for spare blocks, +1 for emergency page
if (total) {
*total = total_data_pages * data_page_size;
}
if (used) {
*used = fs->stats_p_allocated * data_page_size;
}
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_vis(spiffs *fs) {
s32_t res = SPIFFS_OK;
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
int entries_per_page = (SPIFFS_CFG_LOG_PAGE_SZ(fs) / sizeof(spiffs_obj_id));
spiffs_obj_id *obj_lu_buf = (spiffs_obj_id *)fs->lu_work;
spiffs_block_ix bix = 0;
while (bix < fs->block_count) {
// check each object lookup page
int obj_lookup_page = 0;
int cur_entry = 0;
while (res == SPIFFS_OK && obj_lookup_page < (int)SPIFFS_OBJ_LOOKUP_PAGES(fs)) {
int entry_offset = obj_lookup_page * entries_per_page;
res = _spiffs_rd(fs, SPIFFS_OP_T_OBJ_LU | SPIFFS_OP_C_READ,
0, bix * SPIFFS_CFG_LOG_BLOCK_SZ(fs) + SPIFFS_PAGE_TO_PADDR(fs, obj_lookup_page), SPIFFS_CFG_LOG_PAGE_SZ(fs), fs->lu_work);
// check each entry
while (res == SPIFFS_OK &&
cur_entry - entry_offset < entries_per_page && cur_entry < (int)(SPIFFS_PAGES_PER_BLOCK(fs)-SPIFFS_OBJ_LOOKUP_PAGES(fs))) {
spiffs_obj_id obj_id = obj_lu_buf[cur_entry-entry_offset];
if (cur_entry == 0) {
spiffs_printf("%4i ", bix);
} else if ((cur_entry & 0x3f) == 0) {
spiffs_printf(" ");
}
if (obj_id == SPIFFS_OBJ_ID_FREE) {
spiffs_printf(SPIFFS_TEST_VIS_FREE_STR);
} else if (obj_id == SPIFFS_OBJ_ID_DELETED) {
spiffs_printf(SPIFFS_TEST_VIS_DELE_STR);
} else if (obj_id & SPIFFS_OBJ_ID_IX_FLAG){
spiffs_printf(SPIFFS_TEST_VIS_INDX_STR(obj_id));
} else {
spiffs_printf(SPIFFS_TEST_VIS_DATA_STR(obj_id));
}
cur_entry++;
if ((cur_entry & 0x3f) == 0) {
spiffs_printf("\n");
}
} // per entry
obj_lookup_page++;
} // per object lookup page
spiffs_obj_id erase_count;
res = _spiffs_rd(fs, SPIFFS_OP_C_READ | SPIFFS_OP_T_OBJ_LU2, 0,
SPIFFS_ERASE_COUNT_PADDR(fs, bix),
sizeof(spiffs_obj_id), (u8_t *)&erase_count);
SPIFFS_CHECK_RES(res);
if (erase_count != (spiffs_obj_id)-1) {
spiffs_printf("\tera_cnt: %d\n", erase_count);
} else {
spiffs_printf("\tera_cnt: N/A\n");
}
bix++;
} // per block
spiffs_printf("era_cnt_max: %d\n", fs->max_erase_count);
spiffs_printf("last_errno: %d\n", fs->errno);
spiffs_printf("blocks: %d\n", fs->block_count);
spiffs_printf("free_blocks: %d\n", fs->free_blocks);
spiffs_printf("page_alloc: %d\n", fs->stats_p_allocated);
spiffs_printf("page_delet: %d\n", fs->stats_p_deleted);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_closedir(spiffs_DIR *d) {
SPIFFS_API_CHECK_MOUNT(d->fs);
return 0;
}
s32_t SPIFFS_write(spiffs *fs, spiffs_file fh, void *buf, u32_t len) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
u32_t offset;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if ((fd->flags & SPIFFS_WRONLY) == 0) {
res = SPIFFS_ERR_NOT_WRITABLE;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
offset = fd->fdoffset;
#if SPIFFS_CACHE_WR
if (fd->cache_page == 0) {
// see if object id is associated with cache already
fd->cache_page = spiffs_cache_page_get_by_fd(fs, fd);
}
#endif
if (fd->flags & SPIFFS_APPEND) {
if (fd->size == SPIFFS_UNDEFINED_LEN) {
offset = 0;
} else {
offset = fd->size;
}
#if SPIFFS_CACHE_WR
if (fd->cache_page) {
offset = MAX(offset, fd->cache_page->offset + fd->cache_page->size);
}
#endif
}
SPIFFS_DBG("SPIFFS_write %d %04x offs:%d len %d\n", fh, fd->obj_id, offset, len);
#if SPIFFS_CACHE_WR
if ((fd->flags & SPIFFS_DIRECT) == 0) {
if (len < (s32_t)SPIFFS_CFG_LOG_PAGE_SZ(fs)) {
// small write, try to cache it
u8_t alloc_cpage = 1;
if (fd->cache_page) {
// have a cached page for this fd already, check cache page boundaries
if (offset < fd->cache_page->offset || // writing before cache
offset > fd->cache_page->offset + fd->cache_page->size || // writing after cache
offset + len > fd->cache_page->offset + SPIFFS_CFG_LOG_PAGE_SZ(fs)) // writing beyond cache page
{
// boundary violation, write back cache first and allocate new
SPIFFS_CACHE_DBG("CACHE_WR_DUMP: dumping cache page %d for fd %d:&04x, boundary viol, offs:%d size:%d\n",
fd->cache_page->ix, fd->file_nbr, fd->obj_id, fd->cache_page->offset, fd->cache_page->size);
res = spiffs_hydro_write(fs, fd,
spiffs_get_cache_page(fs, spiffs_get_cache(fs), fd->cache_page->ix),
fd->cache_page->offset, fd->cache_page->size);
spiffs_cache_fd_release(fs, fd->cache_page);
} else {
// writing within cache
alloc_cpage = 0;
}
}
if (alloc_cpage) {
fd->cache_page = spiffs_cache_page_allocate_by_fd(fs, fd);
if (fd->cache_page) {
fd->cache_page->offset = offset;
fd->cache_page->size = 0;
SPIFFS_CACHE_DBG("CACHE_WR_ALLO: allocating cache page %d for fd %d:%04x\n",
fd->cache_page->ix, fd->file_nbr, fd->obj_id);
}
}
if (fd->cache_page) {
u32_t offset_in_cpage = offset - fd->cache_page->offset;
SPIFFS_CACHE_DBG("CACHE_WR_WRITE: storing to cache page %d for fd %d:%04x, offs %d:%d len %d\n",
fd->cache_page->ix, fd->file_nbr, fd->obj_id,
offset, offset_in_cpage, len);
spiffs_cache *cache = spiffs_get_cache(fs);
u8_t *cpage_data = spiffs_get_cache_page(fs, cache, fd->cache_page->ix);
c_memcpy(&cpage_data[offset_in_cpage], buf, len);
fd->cache_page->size = MAX(fd->cache_page->size, offset_in_cpage + len);
fd->fdoffset += len;
SPIFFS_UNLOCK(fs);
return len;
} else {
res = spiffs_hydro_write(fs, fd, buf, offset, len);
SPIFFS_API_CHECK_RES(fs, res);
fd->fdoffset += len;
SPIFFS_UNLOCK(fs);
return res;
}
} else {
// big write, no need to cache it - but first check if there is a cached write already
if (fd->cache_page) {
// write back cache first
SPIFFS_CACHE_DBG("CACHE_WR_DUMP: dumping cache page %d for fd %d:%04x, big write, offs:%d size:%d\n",
fd->cache_page->ix, fd->file_nbr, fd->obj_id, fd->cache_page->offset, fd->cache_page->size);
res = spiffs_hydro_write(fs, fd,
spiffs_get_cache_page(fs, spiffs_get_cache(fs), fd->cache_page->ix),
fd->cache_page->offset, fd->cache_page->size);
spiffs_cache_fd_release(fs, fd->cache_page);
res = spiffs_hydro_write(fs, fd, buf, offset, len);
SPIFFS_API_CHECK_RES(fs, res);
}
}
}
#endif
res = spiffs_hydro_write(fs, fd, buf, offset, len);
SPIFFS_API_CHECK_RES(fs, res);
fd->fdoffset += len;
SPIFFS_UNLOCK(fs);
return res;
}
spiffs_file SPIFFS_open(spiffs *fs, const char *path, spiffs_flags flags, spiffs_mode mode) {
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
#if SPIFFS_READ_ONLY
// not valid flags in read only mode
flags &= ~SPIFFS_WRONLY | SPIFFS_CREAT | SPIFFS_TRUNC;
#endif // SPIFFS_READ_ONLY
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)path, &pix);
if ((flags & SPIFFS_O_CREAT) == 0) {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if (res == SPIFFS_OK &&
(flags & (SPIFFS_O_CREAT | SPIFFS_O_EXCL)) == (SPIFFS_O_CREAT | SPIFFS_O_EXCL)) {
// creat and excl and file exists - fail
res = SPIFFS_ERR_FILE_EXISTS;
spiffs_fd_return(fs, fd->file_nbr);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if ((flags & SPIFFS_O_CREAT) && res == SPIFFS_ERR_NOT_FOUND) {
#if !SPIFFS_READ_ONLY
spiffs_obj_id obj_id;
// no need to enter conflicting name here, already looked for it above
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (const u8_t*)path, SPIFFS_TYPE_FILE, &pix);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
flags &= ~SPIFFS_O_TRUNC;
#endif // !SPIFFS_READ_ONLY
} else {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
res = spiffs_object_open_by_page(fs, pix, fd, flags, mode);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if !SPIFFS_READ_ONLY
if (flags & SPIFFS_O_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#endif // !SPIFFS_READ_ONLY
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return SPIFFS_FH_OFFS(fs, fd->file_nbr);
}
spiffs_file SPIFFS_open(spiffs *fs, char *path, spiffs_flags flags, spiffs_mode mode) {
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)path, &pix);
if ((flags & SPIFFS_CREAT) == 0) {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if (res == SPIFFS_OK &&
(flags & (SPIFFS_CREAT | SPIFFS_EXCL)) == (SPIFFS_CREAT | SPIFFS_EXCL)) {
// creat and excl and file exists - fail
res = SPIFFS_ERR_FILE_EXISTS;
spiffs_fd_return(fs, fd->file_nbr);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if ((flags & SPIFFS_CREAT) && res == SPIFFS_ERR_NOT_FOUND) {
spiffs_obj_id obj_id;
// no need to enter conflicting name here, already looked for it above
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (u8_t*)path, SPIFFS_TYPE_FILE, &pix);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
flags &= ~SPIFFS_TRUNC;
} else {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
res = spiffs_object_open_by_page(fs, pix, fd, flags, mode);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if (flags & SPIFFS_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return fd->file_nbr;
}
s32_t ICACHE_FLASH_ATTR SPIFFS_closedir(spiffs_DIR *d) {
SPIFFS_API_CHECK_MOUNT(d->fs);
return 0;
}
