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338fc3afea
unleashed-firmware/applications/services/storage/storage_processing.c
Sergey Gavrilov 0b806c2360
Storage: force mount (#3033) 
* Storage: count opened files
* Storage: sd mount
* Storage: prompt to mount SD card if not mounted
* F18: update API
* F18: update API version
* Fix logger naming scheme
* Storage: storage_files_count -> storage_open_files_count

Co-authored-by: あく <alleteam@gmail.com>
2023-09-04 14:10:07 +09:00

681 lines
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#include "storage_processing.h"
#include <m-list.h>
#include <m-dict.h>
#define STORAGE_PATH_PREFIX_LEN 4u
_Static_assert(
sizeof(STORAGE_ANY_PATH_PREFIX) == STORAGE_PATH_PREFIX_LEN + 1,
"Any path prefix len mismatch");
_Static_assert(
sizeof(STORAGE_EXT_PATH_PREFIX) == STORAGE_PATH_PREFIX_LEN + 1,
"Ext path prefix len mismatch");
_Static_assert(
sizeof(STORAGE_INT_PATH_PREFIX) == STORAGE_PATH_PREFIX_LEN + 1,
"Int path prefix len mismatch");
#define FS_CALL(_storage, _fn) ret = _storage->fs_api->_fn;
static bool storage_type_is_valid(StorageType type) {
#ifdef FURI_RAM_EXEC
return type == ST_EXT;
#else
return type < ST_ERROR;
#endif
}
static StorageData* get_storage_by_file(File* file, StorageData* storages) {
StorageData* storage_data = NULL;
for(uint8_t i = 0; i < STORAGE_COUNT; i++) {
if(storage_has_file(file, &storages[i])) {
storage_data = &storages[i];
}
}
return storage_data;
}
static const char* cstr_path_without_vfs_prefix(FuriString* path) {
const char* path_cstr = furi_string_get_cstr(path);
return path_cstr + MIN(STORAGE_PATH_PREFIX_LEN, strlen(path_cstr));
}
static StorageType storage_get_type_by_path(FuriString* path) {
StorageType type = ST_ERROR;
const char* path_cstr = furi_string_get_cstr(path);
if(furi_string_size(path) > STORAGE_PATH_PREFIX_LEN) {
if(path_cstr[STORAGE_PATH_PREFIX_LEN] != '/') {
return ST_ERROR;
}
}
if(memcmp(path_cstr, STORAGE_EXT_PATH_PREFIX, strlen(STORAGE_EXT_PATH_PREFIX)) == 0) {
type = ST_EXT;
} else if(memcmp(path_cstr, STORAGE_INT_PATH_PREFIX, strlen(STORAGE_INT_PATH_PREFIX)) == 0) {
type = ST_INT;
} else if(memcmp(path_cstr, STORAGE_ANY_PATH_PREFIX, strlen(STORAGE_ANY_PATH_PREFIX)) == 0) {
type = ST_ANY;
}
return type;
}
static void storage_path_change_to_real_storage(FuriString* path, StorageType real_storage) {
if(furi_string_search(path, STORAGE_ANY_PATH_PREFIX) == 0) {
switch(real_storage) {
case ST_EXT:
furi_string_replace_at(
path, 0, strlen(STORAGE_EXT_PATH_PREFIX), STORAGE_EXT_PATH_PREFIX);
break;
case ST_INT:
furi_string_replace_at(
path, 0, strlen(STORAGE_INT_PATH_PREFIX), STORAGE_INT_PATH_PREFIX);
break;
default:
break;
}
}
}
static FS_Error storage_get_data(Storage* app, FuriString* path, StorageData** storage) {
StorageType type = storage_get_type_by_path(path);
if(storage_type_is_valid(type)) {
if(type == ST_ANY) {
type = ST_INT;
if(storage_data_status(&app->storage[ST_EXT]) == StorageStatusOK) {
type = ST_EXT;
}
storage_path_change_to_real_storage(path, type);
}
furi_assert(type == ST_EXT || type == ST_INT);
*storage = &app->storage[type];
return FSE_OK;
} else {
return FSE_INVALID_NAME;
}
}
/******************* File Functions *******************/
bool storage_process_file_open(
Storage* app,
File* file,
FuriString* path,
FS_AccessMode access_mode,
FS_OpenMode open_mode) {
bool ret = false;
StorageData* storage;
file->error_id = storage_get_data(app, path, &storage);
if(file->error_id == FSE_OK) {
if(storage_path_already_open(path, storage)) {
file->error_id = FSE_ALREADY_OPEN;
} else {
if(access_mode & FSAM_WRITE) {
storage_data_timestamp(storage);
}
storage_push_storage_file(file, path, storage);
const char* path_cstr_no_vfs = cstr_path_without_vfs_prefix(path);
FS_CALL(storage, file.open(storage, file, path_cstr_no_vfs, access_mode, open_mode));
}
}
return ret;
}
bool storage_process_file_close(Storage* app, File* file) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, file.close(storage, file));
storage_pop_storage_file(file, storage);
StorageEvent event = {.type = StorageEventTypeFileClose};
furi_pubsub_publish(app->pubsub, &event);
}
return ret;
}
static uint16_t
storage_process_file_read(Storage* app, File* file, void* buff, uint16_t const bytes_to_read) {
uint16_t ret = 0;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, file.read(storage, file, buff, bytes_to_read));
}
return ret;
}
static uint16_t storage_process_file_write(
Storage* app,
File* file,
const void* buff,
uint16_t const bytes_to_write) {
uint16_t ret = 0;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
storage_data_timestamp(storage);
FS_CALL(storage, file.write(storage, file, buff, bytes_to_write));
}
return ret;
}
static bool storage_process_file_seek(
Storage* app,
File* file,
const uint32_t offset,
const bool from_start) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, file.seek(storage, file, offset, from_start));
}
return ret;
}
static uint64_t storage_process_file_tell(Storage* app, File* file) {
uint64_t ret = 0;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, file.tell(storage, file));
}
return ret;
}
static bool storage_process_file_truncate(Storage* app, File* file) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
storage_data_timestamp(storage);
FS_CALL(storage, file.truncate(storage, file));
}
return ret;
}
static bool storage_process_file_sync(Storage* app, File* file) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
storage_data_timestamp(storage);
FS_CALL(storage, file.sync(storage, file));
}
return ret;
}
static uint64_t storage_process_file_size(Storage* app, File* file) {
uint64_t ret = 0;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, file.size(storage, file));
}
return ret;
}
static bool storage_process_file_eof(Storage* app, File* file) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, file.eof(storage, file));
}
return ret;
}
/******************* Dir Functions *******************/
bool storage_process_dir_open(Storage* app, File* file, FuriString* path) {
bool ret = false;
StorageData* storage;
file->error_id = storage_get_data(app, path, &storage);
if(file->error_id == FSE_OK) {
if(storage_path_already_open(path, storage)) {
file->error_id = FSE_ALREADY_OPEN;
} else {
storage_push_storage_file(file, path, storage);
FS_CALL(storage, dir.open(storage, file, cstr_path_without_vfs_prefix(path)));
}
}
return ret;
}
bool storage_process_dir_close(Storage* app, File* file) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, dir.close(storage, file));
storage_pop_storage_file(file, storage);
StorageEvent event = {.type = StorageEventTypeDirClose};
furi_pubsub_publish(app->pubsub, &event);
}
return ret;
}
bool storage_process_dir_read(
Storage* app,
File* file,
FileInfo* fileinfo,
char* name,
const uint16_t name_length) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, dir.read(storage, file, fileinfo, name, name_length));
}
return ret;
}
bool storage_process_dir_rewind(Storage* app, File* file) {
bool ret = false;
StorageData* storage = get_storage_by_file(file, app->storage);
if(storage == NULL) {
file->error_id = FSE_INVALID_PARAMETER;
} else {
FS_CALL(storage, dir.rewind(storage, file));
}
return ret;
}
/******************* Common FS Functions *******************/
static FS_Error
storage_process_common_timestamp(Storage* app, FuriString* path, uint32_t* timestamp) {
StorageData* storage;
FS_Error ret = storage_get_data(app, path, &storage);
if(ret == FSE_OK) {
*timestamp = storage_data_get_timestamp(storage);
}
return ret;
}
static FS_Error storage_process_common_stat(Storage* app, FuriString* path, FileInfo* fileinfo) {
StorageData* storage;
FS_Error ret = storage_get_data(app, path, &storage);
if(ret == FSE_OK) {
FS_CALL(storage, common.stat(storage, cstr_path_without_vfs_prefix(path), fileinfo));
}
return ret;
}
static FS_Error storage_process_common_remove(Storage* app, FuriString* path) {
StorageData* storage;
FS_Error ret = storage_get_data(app, path, &storage);
do {
if(storage_path_already_open(path, storage)) {
ret = FSE_ALREADY_OPEN;
break;
}
storage_data_timestamp(storage);
FS_CALL(storage, common.remove(storage, cstr_path_without_vfs_prefix(path)));
} while(false);
return ret;
}
static FS_Error storage_process_common_mkdir(Storage* app, FuriString* path) {
StorageData* storage;
FS_Error ret = storage_get_data(app, path, &storage);
if(ret == FSE_OK) {
storage_data_timestamp(storage);
FS_CALL(storage, common.mkdir(storage, cstr_path_without_vfs_prefix(path)));
}
return ret;
}
static FS_Error storage_process_common_fs_info(
Storage* app,
FuriString* path,
uint64_t* total_space,
uint64_t* free_space) {
StorageData* storage;
FS_Error ret = storage_get_data(app, path, &storage);
if(ret == FSE_OK) {
FS_CALL(
storage,
common.fs_info(storage, cstr_path_without_vfs_prefix(path), total_space, free_space));
}
return ret;
}
/****************** Raw SD API ******************/
// TODO FL-3521: think about implementing a custom storage API to split that kind of api linkage
#include "storages/storage_ext.h"
static FS_Error storage_process_sd_format(Storage* app) {
FS_Error ret = FSE_OK;
if(storage_data_status(&app->storage[ST_EXT]) == StorageStatusNotReady) {
ret = FSE_NOT_READY;
} else {
ret = sd_format_card(&app->storage[ST_EXT]);
storage_data_timestamp(&app->storage[ST_EXT]);
}
return ret;
}
static FS_Error storage_process_sd_unmount(Storage* app) {
FS_Error ret = FSE_OK;
do {
StorageData* storage = &app->storage[ST_EXT];
if(storage_data_status(storage) == StorageStatusNotReady) {
ret = FSE_NOT_READY;
break;
}
if(storage_open_files_count(storage)) {
ret = FSE_DENIED;
break;
}
sd_unmount_card(storage);
storage_data_timestamp(storage);
} while(false);
return ret;
}
static FS_Error storage_process_sd_mount(Storage* app) {
FS_Error ret = FSE_OK;
do {
StorageData* storage = &app->storage[ST_EXT];
if(storage_data_status(storage) != StorageStatusNotReady) {
ret = FSE_NOT_READY;
break;
}
ret = sd_mount_card(storage, true);
storage_data_timestamp(storage);
} while(false);
return ret;
}
static FS_Error storage_process_sd_info(Storage* app, SDInfo* info) {
FS_Error ret = FSE_OK;
if(storage_data_status(&app->storage[ST_EXT]) == StorageStatusNotReady) {
ret = FSE_NOT_READY;
} else {
ret = sd_card_info(&app->storage[ST_EXT], info);
}
return ret;
}
static FS_Error storage_process_sd_status(Storage* app) {
FS_Error ret;
StorageStatus status = storage_data_status(&app->storage[ST_EXT]);
switch(status) {
case StorageStatusOK:
ret = FSE_OK;
break;
case StorageStatusNotReady:
ret = FSE_NOT_READY;
break;
default:
ret = FSE_INTERNAL;
break;
}
return ret;
}
/******************** Aliases processing *******************/
void storage_process_alias(
Storage* app,
FuriString* path,
FuriThreadId thread_id,
bool create_folders) {
if(furi_string_start_with(path, STORAGE_APP_DATA_PATH_PREFIX)) {
FuriString* apps_data_path_with_appsid = furi_string_alloc_set(APPS_DATA_PATH "/");
furi_string_cat(apps_data_path_with_appsid, furi_thread_get_appid(thread_id));
// "/data" -> "/ext/apps_data/appsid"
furi_string_replace_at(
path,
0,
strlen(STORAGE_APP_DATA_PATH_PREFIX),
furi_string_get_cstr(apps_data_path_with_appsid));
// Create app data folder if not exists
if(create_folders &&
storage_process_common_stat(app, apps_data_path_with_appsid, NULL) != FSE_OK) {
furi_string_set(apps_data_path_with_appsid, APPS_DATA_PATH);
storage_process_common_mkdir(app, apps_data_path_with_appsid);
furi_string_cat(apps_data_path_with_appsid, "/");
furi_string_cat(apps_data_path_with_appsid, furi_thread_get_appid(thread_id));
storage_process_common_mkdir(app, apps_data_path_with_appsid);
}
furi_string_free(apps_data_path_with_appsid);
} else if(furi_string_start_with(path, STORAGE_APP_ASSETS_PATH_PREFIX)) {
FuriString* apps_assets_path_with_appsid = furi_string_alloc_set(APPS_ASSETS_PATH "/");
furi_string_cat(apps_assets_path_with_appsid, furi_thread_get_appid(thread_id));
// "/assets" -> "/ext/apps_assets/appsid"
furi_string_replace_at(
path,
0,
strlen(STORAGE_APP_ASSETS_PATH_PREFIX),
furi_string_get_cstr(apps_assets_path_with_appsid));
furi_string_free(apps_assets_path_with_appsid);
}
}
/****************** API calls processing ******************/
void storage_process_message_internal(Storage* app, StorageMessage* message) {
FuriString* path = NULL;
switch(message->command) {
// File operations
case StorageCommandFileOpen:
path = furi_string_alloc_set(message->data->fopen.path);
storage_process_alias(app, path, message->data->fopen.thread_id, true);
message->return_data->bool_value = storage_process_file_open(
app,
message->data->fopen.file,
path,
message->data->fopen.access_mode,
message->data->fopen.open_mode);
break;
case StorageCommandFileClose:
message->return_data->bool_value =
storage_process_file_close(app, message->data->fopen.file);
break;
case StorageCommandFileRead:
message->return_data->uint16_value = storage_process_file_read(
app,
message->data->fread.file,
message->data->fread.buff,
message->data->fread.bytes_to_read);
break;
case StorageCommandFileWrite:
message->return_data->uint16_value = storage_process_file_write(
app,
message->data->fwrite.file,
message->data->fwrite.buff,
message->data->fwrite.bytes_to_write);
break;
case StorageCommandFileSeek:
message->return_data->bool_value = storage_process_file_seek(
app,
message->data->fseek.file,
message->data->fseek.offset,
message->data->fseek.from_start);
break;
case StorageCommandFileTell:
message->return_data->uint64_value =
storage_process_file_tell(app, message->data->file.file);
break;
case StorageCommandFileTruncate:
message->return_data->bool_value =
storage_process_file_truncate(app, message->data->file.file);
break;
case StorageCommandFileSync:
message->return_data->bool_value =
storage_process_file_sync(app, message->data->file.file);
break;
case StorageCommandFileSize:
message->return_data->uint64_value =
storage_process_file_size(app, message->data->file.file);
break;
case StorageCommandFileEof:
message->return_data->bool_value = storage_process_file_eof(app, message->data->file.file);
break;
// Dir operations
case StorageCommandDirOpen:
path = furi_string_alloc_set(message->data->dopen.path);
storage_process_alias(app, path, message->data->dopen.thread_id, true);
message->return_data->bool_value =
storage_process_dir_open(app, message->data->dopen.file, path);
break;
case StorageCommandDirClose:
message->return_data->bool_value =
storage_process_dir_close(app, message->data->file.file);
break;
case StorageCommandDirRead:
message->return_data->bool_value = storage_process_dir_read(
app,
message->data->dread.file,
message->data->dread.fileinfo,
message->data->dread.name,
message->data->dread.name_length);
break;
case StorageCommandDirRewind:
message->return_data->bool_value =
storage_process_dir_rewind(app, message->data->file.file);
break;
// Common operations
case StorageCommandCommonTimestamp:
path = furi_string_alloc_set(message->data->ctimestamp.path);
storage_process_alias(app, path, message->data->ctimestamp.thread_id, false);
message->return_data->error_value =
storage_process_common_timestamp(app, path, message->data->ctimestamp.timestamp);
break;
case StorageCommandCommonStat:
path = furi_string_alloc_set(message->data->cstat.path);
storage_process_alias(app, path, message->data->cstat.thread_id, false);
message->return_data->error_value =
storage_process_common_stat(app, path, message->data->cstat.fileinfo);
break;
case StorageCommandCommonRemove:
path = furi_string_alloc_set(message->data->path.path);
storage_process_alias(app, path, message->data->path.thread_id, false);
message->return_data->error_value = storage_process_common_remove(app, path);
break;
case StorageCommandCommonMkDir:
path = furi_string_alloc_set(message->data->path.path);
storage_process_alias(app, path, message->data->path.thread_id, true);
message->return_data->error_value = storage_process_common_mkdir(app, path);
break;
case StorageCommandCommonFSInfo:
path = furi_string_alloc_set(message->data->cfsinfo.fs_path);
storage_process_alias(app, path, message->data->cfsinfo.thread_id, false);
message->return_data->error_value = storage_process_common_fs_info(
app, path, message->data->cfsinfo.total_space, message->data->cfsinfo.free_space);
break;
case StorageCommandCommonResolvePath:
storage_process_alias(
app, message->data->cresolvepath.path, message->data->cresolvepath.thread_id, true);
break;
// SD operations
case StorageCommandSDFormat:
message->return_data->error_value = storage_process_sd_format(app);
break;
case StorageCommandSDUnmount:
message->return_data->error_value = storage_process_sd_unmount(app);
break;
case StorageCommandSDMount:
message->return_data->error_value = storage_process_sd_mount(app);
break;
case StorageCommandSDInfo:
message->return_data->error_value =
storage_process_sd_info(app, message->data->sdinfo.info);
break;
case StorageCommandSDStatus:
message->return_data->error_value = storage_process_sd_status(app);
break;
}
if(path != NULL) { //-V547
furi_string_free(path);
}
api_lock_unlock(message->lock);
}
void storage_process_message(Storage* app, StorageMessage* message) {
storage_process_message_internal(app, message);
}
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