File worker helper. Slightly optimized iButton app code size. (#545)
* File worker: file operations helper * Notification app: removed yield * File worker: write operations, calls to system file widgets * App ibutton: use file worker * App ibutton: small save fix, forgotten byte
This commit is contained in:
SG
GitHub
parent
22e1ecb642
commit
dce3665f63
@ -2,6 +2,7 @@
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#include <stdarg.h>
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#include <callback-connector.h>
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#include <m-string.h>
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#include <file-worker.h>
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const char* iButtonApp::app_folder = "ibutton";
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const char* iButtonApp::app_extension = ".ibtn";
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@ -33,9 +34,7 @@ void iButtonApp::run(void* args) {
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}
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iButtonApp::iButtonApp()
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: fs_api{"sdcard"}
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, sd_ex_api{"sdcard-ex"}
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, notification{"notification"} {
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: notification{"notification"} {
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api_hal_power_insomnia_enter();
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key_worker = new KeyWorker(&ibutton_gpio);
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@ -123,14 +122,6 @@ iButtonKey* iButtonApp::get_key() {
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return &key;
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}
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SdCard_Api* iButtonApp::get_sd_ex_api() {
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return sd_ex_api;
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}
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FS_Api* iButtonApp::get_fs_api() {
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return fs_api;
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}
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char* iButtonApp::get_file_name() {
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return file_name;
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}
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@ -225,158 +216,105 @@ void iButtonApp::generate_random_name(char* name, uint8_t max_name_size) {
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}
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// file managment
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void iButtonApp::show_file_error_message(const char* error_text) {
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set_text_store(error_text);
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get_sd_ex_api()->show_error(get_sd_ex_api()->context, get_text_store());
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}
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bool iButtonApp::save_key(const char* key_name) {
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File key_file;
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FileWorker file_worker;
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string_t key_file_name;
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bool result = false;
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FS_Error fs_result;
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uint16_t write_count;
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// Create ibutton directory if necessary
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fs_result = get_fs_api()->common.mkdir(app_folder);
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if(fs_result != FSE_OK && fs_result != FSE_EXIST) {
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show_file_error_message("Cannot create\napplication folder");
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if(!file_worker.mkdir(app_folder)) {
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return false;
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};
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// First remove key if it was saved
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string_init_set_str(key_file_name, app_folder);
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string_cat_str(key_file_name, "/");
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string_cat_str(key_file_name, get_key()->get_name());
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string_cat_str(key_file_name, app_extension);
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fs_result = get_fs_api()->common.remove(string_get_cstr(key_file_name));
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if(fs_result != FSE_OK && fs_result != FSE_NOT_EXIST) {
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string_init_printf(key_file_name, "%s/%s%s", app_folder, get_key()->get_name(), app_extension);
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if(!file_worker.remove(string_get_cstr(key_file_name))) {
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string_clear(key_file_name);
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show_file_error_message("Cannot remove\nold key file");
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return false;
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};
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// Save the key
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get_key()->set_name(key_name);
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string_set_str(key_file_name, app_folder);
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string_cat_str(key_file_name, "/");
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string_cat_str(key_file_name, get_key()->get_name());
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string_cat_str(key_file_name, app_extension);
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string_printf(key_file_name, "%s/%s%s", app_folder, get_key()->get_name(), app_extension);
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bool res = get_fs_api()->file.open(
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&key_file, string_get_cstr(key_file_name), FSAM_WRITE, FSOM_CREATE_ALWAYS);
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bool res = file_worker.open(string_get_cstr(key_file_name), FSAM_WRITE, FSOM_CREATE_ALWAYS);
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string_clear(key_file_name);
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if(res) {
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// type header
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const char* key_type = "E";
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const char* key_type = "E ";
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switch(get_key()->get_key_type()) {
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case iButtonKeyType::KeyCyfral:
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key_type = "C";
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key_type = "C ";
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break;
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case iButtonKeyType::KeyDallas:
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key_type = "D";
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key_type = "D ";
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break;
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case iButtonKeyType::KeyMetakom:
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key_type = "M";
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key_type = "M ";
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break;
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}
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write_count = get_fs_api()->file.write(&key_file, key_type, 1);
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if(key_file.error_id != FSE_OK || write_count != 1) {
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show_file_error_message("Cannot write\nto key file");
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get_fs_api()->file.close(&key_file);
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if(!file_worker.write(key_type, 2)) {
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file_worker.close();
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return false;
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}
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const uint8_t byte_text_size = 4;
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char byte_text[byte_text_size];
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for(uint8_t i = 0; i < get_key()->get_type_data_size(); i++) {
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sniprintf(byte_text, byte_text_size, " %02X", get_key()->get_data()[i]);
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write_count = get_fs_api()->file.write(&key_file, byte_text, 3);
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if(key_file.error_id != FSE_OK || write_count != 3) {
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show_file_error_message("Cannot write\nto key file");
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get_fs_api()->file.close(&key_file);
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if(!file_worker.write_hex(get_key()->get_data(), get_key()->get_type_data_size())) {
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file_worker.close();
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return false;
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}
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}
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result = true;
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} else {
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show_file_error_message("Cannot create\nnew key file");
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}
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get_fs_api()->file.close(&key_file);
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get_sd_ex_api()->check_error(get_sd_ex_api()->context);
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file_worker.close();
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return result;
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}
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bool iButtonApp::load_key_data(string_t key_path) {
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File key_file;
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uint16_t read_count;
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FileWorker file_worker;
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// Open key file
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get_fs_api()->file.open(&key_file, string_get_cstr(key_path), FSAM_READ, FSOM_OPEN_EXISTING);
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if(key_file.error_id != FSE_OK) {
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show_file_error_message("Cannot open\nkey file");
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get_fs_api()->file.close(&key_file);
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if(!file_worker.open(string_get_cstr(key_path), FSAM_READ, FSOM_OPEN_EXISTING)) {
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file_worker.close();
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return false;
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}
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const uint8_t byte_text_size = 4;
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char byte_text[byte_text_size] = {0, 0, 0, 0};
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// load type header
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read_count = get_fs_api()->file.read(&key_file, byte_text, 1);
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if(key_file.error_id != FSE_OK || read_count != 1) {
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show_file_error_message("Cannot read\nkey file");
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get_fs_api()->file.close(&key_file);
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// Load type header
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if(!file_worker.read(byte_text, 2)) {
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file_worker.close();
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return false;
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}
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iButtonKeyType key_type = iButtonKeyType::KeyCyfral;
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if(strcmp(byte_text, "C") == 0) {
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if(strcmp(byte_text, "C ") == 0) {
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key_type = iButtonKeyType::KeyCyfral;
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} else if(strcmp(byte_text, "M") == 0) {
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} else if(strcmp(byte_text, "M ") == 0) {
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key_type = iButtonKeyType::KeyMetakom;
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} else if(strcmp(byte_text, "D") == 0) {
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} else if(strcmp(byte_text, "D ") == 0) {
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key_type = iButtonKeyType::KeyDallas;
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} else {
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show_file_error_message("Cannot parse\nkey file");
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get_fs_api()->file.close(&key_file);
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file_worker.show_error("Cannot parse\nkey file");
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file_worker.close();
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return false;
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}
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iButtonKeyType old_type = get_key()->get_key_type();
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get_key()->set_type(key_type);
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// load data
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uint8_t key_data[IBUTTON_KEY_DATA_SIZE] = {0, 0, 0, 0, 0, 0, 0, 0};
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for(uint8_t i = 0; i < get_key()->get_type_data_size(); i++) {
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// space
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read_count = get_fs_api()->file.read(&key_file, byte_text, 1);
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if(key_file.error_id != FSE_OK || read_count != 1) {
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show_file_error_message("Cannot read\nkey file");
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get_fs_api()->file.close(&key_file);
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if(!file_worker.read_hex(key_data, get_key()->get_type_data_size())) {
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get_key()->set_type(old_type);
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file_worker.close();
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return false;
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}
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// value
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read_count = get_fs_api()->file.read(&key_file, byte_text, 2);
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if(key_file.error_id != FSE_OK || read_count != 2) {
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show_file_error_message("Cannot read\nkey file");
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get_fs_api()->file.close(&key_file);
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return false;
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}
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// convert hex value to byte
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key_data[i] = strtol(byte_text, NULL, 16);
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}
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get_fs_api()->file.close(&key_file);
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get_key()->set_type(key_type);
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file_worker.close();
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get_key()->set_data(key_data, IBUTTON_KEY_DATA_SIZE);
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return true;
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@ -406,24 +344,17 @@ bool iButtonApp::load_key(const char* key_name) {
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bool iButtonApp::load_key() {
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bool result = false;
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FileWorker file_worker;
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// Input events and views are managed by file_select
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bool res = get_sd_ex_api()->file_select(
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get_sd_ex_api()->context,
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app_folder,
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app_extension,
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get_file_name(),
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get_file_name_size(),
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get_key()->get_name());
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bool res = file_worker.file_select(
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app_folder, app_extension, get_file_name(), get_file_name_size(), get_key()->get_name());
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if(res) {
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string_t key_str;
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// Get key file path
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string_init_set_str(key_str, app_folder);
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string_cat_str(key_str, "/");
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string_cat_str(key_str, get_file_name());
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string_cat_str(key_str, app_extension);
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string_init_printf(key_str, "%s/%s%s", app_folder, get_file_name(), app_extension);
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result = load_key_data(key_str);
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if(result) {
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@ -432,22 +363,17 @@ bool iButtonApp::load_key() {
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string_clear(key_str);
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}
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get_sd_ex_api()->check_error(get_sd_ex_api()->context);
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return result;
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}
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bool iButtonApp::delete_key() {
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iButtonKey* key = get_key();
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string_t key_file_name;
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string_t file_name;
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bool result = false;
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FileWorker file_worker;
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string_init_set_str(key_file_name, app_folder);
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string_cat_str(key_file_name, "/");
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string_cat_str(key_file_name, key->get_name());
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string_cat_str(key_file_name, app_extension);
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result = (get_fs_api()->common.remove(string_get_cstr(key_file_name)) == FSE_OK);
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string_clear(key_file_name);
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string_init_printf(file_name, "%s/%s%s", app_folder, get_key()->get_name(), app_extension);
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result = file_worker.remove(string_get_cstr(file_name));
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string_clear(file_name);
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return result;
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}
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@ -90,8 +90,6 @@ public:
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char* get_text_store();
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uint8_t get_text_store_size();
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SdCard_Api* get_sd_ex_api();
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FS_Api* get_fs_api();
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char* get_file_name();
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uint8_t get_file_name_size();
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@ -132,8 +130,6 @@ private:
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iButtonKey key;
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RecordController<FS_Api> fs_api;
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RecordController<SdCard_Api> sd_ex_api;
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RecordController<NotificationApp> notification;
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static const uint8_t file_name_size = 100;
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@ -145,6 +141,5 @@ private:
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static const char* app_folder;
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static const char* app_extension;
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void show_file_error_message(const char* error_text);
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bool load_key_data(string_t key_path);
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};
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@ -22,7 +22,6 @@ void notification_message_block(NotificationApp* app, const NotificationSequence
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.sequence = sequence,
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.back_event = osEventFlagsNew(NULL)};
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furi_check(osMessageQueuePut(app->queue, &m, 0, osWaitForever) == osOK);
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osThreadYield();
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osEventFlagsWait(m.back_event, NOTIFICATION_EVENT_COMPLETE, osFlagsWaitAny, osWaitForever);
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osEventFlagsDelete(m.back_event);
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};
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@ -33,7 +32,6 @@ void notification_internal_message_block(
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NotificationAppMessage m = {
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.type = InternalLayerMessage, .sequence = sequence, .back_event = osEventFlagsNew(NULL)};
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furi_check(osMessageQueuePut(app->queue, &m, 0, osWaitForever) == osOK);
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osThreadYield();
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osEventFlagsWait(m.back_event, NOTIFICATION_EVENT_COMPLETE, osFlagsWaitAny, osWaitForever);
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osEventFlagsDelete(m.back_event);
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};
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@ -1,20 +1,19 @@
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#include "file-worker.h"
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FileWorker::FileWorker()
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FileWorker::FileWorker(bool _silent)
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: fs_api{"sdcard"}
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, sd_ex_api{"sdcard-ex"} {
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string_init(error_string);
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silent = _silent;
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}
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FileWorker::~FileWorker() {
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string_clear(error_string);
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}
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bool FileWorker::open(const char* filename, FS_AccessMode access_mode, FS_OpenMode open_mode) {
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bool result = fs_api.get()->file.open(&file, filename, access_mode, open_mode);
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if(!result) {
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show_error_message("Cannot open\nfile");
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show_error_internal("Cannot open\nfile");
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close();
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return false;
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}
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@ -32,7 +31,7 @@ bool FileWorker::mkdir(const char* dirname) {
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FS_Error fs_result = fs_api.get()->common.mkdir(dirname);
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if(fs_result != FSE_OK && fs_result != FSE_EXIST) {
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show_error_message("Cannot create\nfolder");
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show_error_internal("Cannot create\nfolder");
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return false;
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};
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@ -42,19 +41,197 @@ bool FileWorker::mkdir(const char* dirname) {
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bool FileWorker::remove(const char* filename) {
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FS_Error fs_result = fs_api.get()->common.remove(filename);
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if(fs_result != FSE_OK && fs_result != FSE_NOT_EXIST) {
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show_error_message("Cannot remove\nold file");
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show_error_internal("Cannot remove\nold file");
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return false;
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};
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return check_common_errors();
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}
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bool FileWorker::read(void* buffer, uint16_t bytes_to_read) {
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if(!read_internal(buffer, bytes_to_read)) {
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return false;
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}
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return check_common_errors();
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}
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bool FileWorker::read_until(string_t str_result, char separator) {
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string_clean(str_result);
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const uint8_t buffer_size = 32;
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uint8_t buffer[buffer_size];
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do {
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uint16_t read_count = fs_api.get()->file.read(&file, buffer, buffer_size);
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if(file.error_id != FSE_OK) {
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show_error_internal("Cannot read\nfile");
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return false;
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}
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bool result = false;
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for(uint16_t i = 0; i < read_count; i++) {
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if(buffer[i] == separator) {
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uint64_t position;
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if(!tell_internal(&position)) {
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return false;
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}
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position = position - read_count + i + 1;
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if(!seek_internal(position, true)) {
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return false;
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}
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result = true;
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break;
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} else {
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string_push_back(str_result, buffer[i]);
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}
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}
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if(result || read_count == 0) {
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break;
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}
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} while(true);
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return check_common_errors();
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}
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bool FileWorker::read_hex(uint8_t* buffer, uint16_t bytes_to_read) {
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uint8_t text[2];
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for(uint8_t i = 0; i < bytes_to_read; i++) {
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if(i != 0) {
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// space
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if(!read_internal(text, 1)) {
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return false;
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}
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}
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// actual data
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if(!read_internal(text, 2)) {
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return false;
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}
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// convert hex value to byte
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buffer[i] = strtol(reinterpret_cast<char*>(text), NULL, 16);
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}
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return check_common_errors();
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}
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bool FileWorker::tell(uint64_t* position) {
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if(!tell_internal(position)) {
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return false;
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}
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return check_common_errors();
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}
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bool FileWorker::seek(uint64_t position, bool from_start) {
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if(!seek_internal(position, from_start)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return check_common_errors();
|
||||
}
|
||||
|
||||
bool FileWorker::write(const void* buffer, uint16_t bytes_to_write) {
|
||||
if(!write_internal(buffer, bytes_to_write)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return check_common_errors();
|
||||
}
|
||||
|
||||
bool FileWorker::write_hex(const uint8_t* buffer, uint16_t bytes_to_write) {
|
||||
const uint8_t byte_text_size = 3;
|
||||
char byte_text[byte_text_size];
|
||||
|
||||
for(uint8_t i = 0; i < bytes_to_write; i++) {
|
||||
sniprintf(byte_text, byte_text_size, "%02X", buffer[i]);
|
||||
|
||||
if(i != 0) {
|
||||
// space
|
||||
const char* space = " ";
|
||||
if(!write_internal(space, 1)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if(!write_internal(byte_text, 2)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return check_common_errors();
|
||||
}
|
||||
|
||||
void FileWorker::show_error(const char* error_text) {
|
||||
sd_ex_api.get()->show_error(sd_ex_api.get()->context, error_text);
|
||||
}
|
||||
|
||||
bool FileWorker::file_select(
|
||||
const char* path,
|
||||
const char* extension,
|
||||
char* result,
|
||||
uint8_t result_size,
|
||||
char* selected_filename) {
|
||||
return sd_ex_api.get()->file_select(
|
||||
sd_ex_api.get()->context, path, extension, result, result_size, selected_filename);
|
||||
|
||||
}
|
||||
|
||||
bool FileWorker::check_common_errors() {
|
||||
sd_ex_api.get()->check_error(sd_ex_api.get()->context);
|
||||
return true;
|
||||
}
|
||||
|
||||
void FileWorker::show_error_message(const char* error_text) {
|
||||
string_set_str(error_string, error_text);
|
||||
sd_ex_api.get()->show_error(sd_ex_api.get()->context, string_get_cstr(error_string));
|
||||
void FileWorker::show_error_internal(const char* error_text) {
|
||||
if(!silent) {
|
||||
show_error(error_text);
|
||||
}
|
||||
}
|
||||
|
||||
bool FileWorker::read_internal(void* buffer, uint16_t bytes_to_read) {
|
||||
uint16_t read_count = fs_api.get()->file.read(&file, buffer, bytes_to_read);
|
||||
|
||||
if(file.error_id != FSE_OK || read_count != bytes_to_read) {
|
||||
show_error_internal("Cannot read\nfile");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool FileWorker::write_internal(const void* buffer, uint16_t bytes_to_write) {
|
||||
uint16_t write_count = fs_api.get()->file.write(&file, buffer, bytes_to_write);
|
||||
|
||||
if(file.error_id != FSE_OK || write_count != bytes_to_write) {
|
||||
show_error_internal("Cannot write\nto file");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool FileWorker::tell_internal(uint64_t* position) {
|
||||
*position = fs_api.get()->file.tell(&file);
|
||||
|
||||
if(file.error_id != FSE_OK) {
|
||||
show_error_internal("Cannot tell\nfile offset");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool FileWorker::seek_internal(uint64_t position, bool from_start) {
|
||||
fs_api.get()->file.seek(&file, position, from_start);
|
||||
if(file.error_id != FSE_OK) {
|
||||
show_error_internal("Cannot seek\nfile");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -4,24 +4,148 @@
|
||||
#include <filesystem-api.h>
|
||||
#include <m-string.h>
|
||||
|
||||
/**
|
||||
* @brief File operations helper class.
|
||||
* Automatically opens API records, shows error message on error.
|
||||
*/
|
||||
class FileWorker {
|
||||
public:
|
||||
FileWorker();
|
||||
FileWorker(bool silent = false);
|
||||
~FileWorker();
|
||||
|
||||
RecordController<FS_Api> fs_api;
|
||||
RecordController<SdCard_Api> sd_ex_api;
|
||||
|
||||
/**
|
||||
* @brief Open file
|
||||
*
|
||||
* @param filename
|
||||
* @param access_mode
|
||||
* @param open_mode
|
||||
* @return true on success
|
||||
*/
|
||||
bool open(const char* filename, FS_AccessMode access_mode, FS_OpenMode open_mode);
|
||||
|
||||
/**
|
||||
* @brief Close file
|
||||
*
|
||||
* @return true on success
|
||||
*/
|
||||
bool close();
|
||||
|
||||
/**
|
||||
* @brief Creates a directory. Doesn't show error if directory exist.
|
||||
*
|
||||
* @param dirname
|
||||
* @return true on success
|
||||
*/
|
||||
bool mkdir(const char* dirname);
|
||||
|
||||
/**
|
||||
* @brief Removes the file. Doesn't show error if file doesn't exist.
|
||||
*
|
||||
* @param filename
|
||||
* @return true on success
|
||||
*/
|
||||
bool remove(const char* filename);
|
||||
|
||||
/**
|
||||
* @brief Reads data from a file.
|
||||
*
|
||||
* @param buffer
|
||||
* @param bytes_to_read
|
||||
* @return true on success
|
||||
*/
|
||||
bool read(void* buffer, uint16_t bytes_to_read = 1);
|
||||
|
||||
/**
|
||||
* @brief Reads data from a file until separator or EOF is found.
|
||||
* Moves seek pointer to the next symbol after the separator. The separator is not included in the result.
|
||||
*
|
||||
* @param result
|
||||
* @param separator
|
||||
* @return true on success
|
||||
*/
|
||||
bool read_until(string_t result, char separator = '\n');
|
||||
|
||||
/**
|
||||
* @brief Reads data in hexadecimal space-delimited format. For example "AF FF" in a file - [175, 255] in a read buffer.
|
||||
*
|
||||
* @param buffer
|
||||
* @param bytes_to_read
|
||||
* @return true on success
|
||||
*/
|
||||
bool read_hex(uint8_t* buffer, uint16_t bytes_to_read = 1);
|
||||
|
||||
/**
|
||||
* @brief Read seek pointer value
|
||||
*
|
||||
* @param position
|
||||
* @return true on success
|
||||
*/
|
||||
bool tell(uint64_t* position);
|
||||
|
||||
/**
|
||||
* @brief Set seek pointer value
|
||||
*
|
||||
* @param position
|
||||
* @param from_start
|
||||
* @return true on success
|
||||
*/
|
||||
bool seek(uint64_t position, bool from_start);
|
||||
|
||||
/**
|
||||
* @brief Write data to file.
|
||||
*
|
||||
* @param buffer
|
||||
* @param bytes_to_write
|
||||
* @return true on success
|
||||
*/
|
||||
bool write(const void* buffer, uint16_t bytes_to_write = 1);
|
||||
|
||||
/**
|
||||
* @brief Write data to file in hexadecimal space-delimited format. For example [175, 255] in a write buffer - "AF FF" in a file.
|
||||
*
|
||||
* @param buffer
|
||||
* @param bytes_to_write
|
||||
* @return true on success
|
||||
*/
|
||||
bool write_hex(const uint8_t* buffer, uint16_t bytes_to_write = 1);
|
||||
|
||||
/**
|
||||
* @brief Show system file error message
|
||||
*
|
||||
* @param error_text
|
||||
*/
|
||||
void show_error(const char* error_text);
|
||||
|
||||
/**
|
||||
* @brief Show system file select widget
|
||||
*
|
||||
* @param path
|
||||
* @param extension
|
||||
* @param result
|
||||
* @param result_size
|
||||
* @param selected_filename
|
||||
* @return true if file was selected
|
||||
*/
|
||||
bool file_select(
|
||||
const char* path,
|
||||
const char* extension,
|
||||
char* result,
|
||||
uint8_t result_size,
|
||||
char* selected_filename);
|
||||
|
||||
private:
|
||||
File file;
|
||||
bool silent;
|
||||
|
||||
bool check_common_errors();
|
||||
void show_error_message(const char* error_text);
|
||||
string_t error_string;
|
||||
|
||||
void show_error_internal(const char* error_text);
|
||||
|
||||
bool read_internal(void* buffer, uint16_t bytes_to_read = 1);
|
||||
bool write_internal(const void* buffer, uint16_t bytes_to_write = 1);
|
||||
bool tell_internal(uint64_t* position);
|
||||
bool seek_internal(uint64_t position, bool from_start);
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user