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Delete littlefs_esp32_filesystem.cpp-
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Luc
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/*
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littlefs_esp8266_filesystem.cpp - ESP3D littlefs filesystem configuration class
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Copyright (c) 2014 Luc Lebosse. All rights reserved.
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This code is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with This code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "../../../include/esp3d_config.h"
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#if (FILESYSTEM_FEATURE == ESP_LITTLEFS_FILESYSTEM) && defined(ARDUINO_ARCH_ESP32)
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#include "../esp_filesystem.h"
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#include "../../../core/genLinkedList.h"
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#include <FS.h>
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#include <LITTLEFS.h>
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Dir tDir_handle[ESP_MAX_OPENHANDLE];
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extern File tFile_handle[ESP_MAX_OPENHANDLE];
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bool ESP_FileSystem::begin()
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{
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_started = LITTLEFS.begin();
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return _started;
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}
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void ESP_FileSystem::end()
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{
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_started = false;
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LITTLEFS.end();
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}
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size_t ESP_FileSystem::freeBytes()
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{
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return totalBytes() - usedBytes();
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}
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size_t ESP_FileSystem::totalBytes()
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{
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fs::FSInfo info;
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LITTLEFS.info (info);
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return info.totalBytes;
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}
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size_t ESP_FileSystem::usedBytes()
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{
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fs::FSInfo info;
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LITTLEFS.info (info);
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return info.usedBytes;
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}
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bool ESP_FileSystem::rename(const char *oldpath, const char *newpath)
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{
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return LITTLEFS.rename(oldpath,newpath);
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}
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const char * ESP_FileSystem::FilesystemName()
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{
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return "LITTLEFS";
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}
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bool ESP_FileSystem::format()
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{
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return LITTLEFS.format();
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}
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ESP_File ESP_FileSystem::open(const char* path, uint8_t mode)
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{
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//do some check
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if(((strcmp(path,"/") == 0) && ((mode == ESP_FILE_WRITE) || (mode == ESP_FILE_APPEND))) || (strlen(path) == 0)) {
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return ESP_File();
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}
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// path must start by '/'
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if (path[0] != '/') {
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return ESP_File();
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}
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File ftmp = LITTLEFS.open(path, (mode == ESP_FILE_READ)?"r":(mode == ESP_FILE_WRITE)?"w":"a");
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if(ftmp) {
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log_esp3d("Success openening: %s", path);
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if (ftmp.isFile()) {
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log_esp3d("It is a file");
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ESP_File esptmp(&ftmp, false,(mode == ESP_FILE_READ)?false:true, path);
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return esptmp;
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}
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if (ftmp.isDirectory()) {
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log_esp3d("It is a Directory");
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}
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ftmp.close();
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}
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log_esp3d("Opening as Directory");
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Dir dtmp = LITTLEFS.openDir(path);
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ESP_File esptmp(&dtmp, true, false, path);
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return esptmp;
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}
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bool ESP_FileSystem::exists(const char* path)
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{
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//root should always be there if started
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if (strcmp(path, "/") == 0) {
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return _started;
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}
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String spath = path;
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spath.trim();
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if (spath[spath.length()-1] == '/') {
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if (spath!="/") {
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spath.remove(spath.length()-1);
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}
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}
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return LITTLEFS.exists(spath.c_str());
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}
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bool ESP_FileSystem::remove(const char *path)
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{
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String p = path;
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if(p[0]!='/') {
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p="/"+p;
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}
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log_esp3d("delete %s", p.c_str());
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return LITTLEFS.remove(p);
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}
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bool ESP_FileSystem::mkdir(const char *path)
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{
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String spath = path;
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spath.trim();
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if (spath[spath.length()-1] == '/') {
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if (spath!="/") {
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spath.remove(spath.length()-1);
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}
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}
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if (spath[0]!='/') {
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spath = "/"+spath;
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}
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return LITTLEFS.mkdir(spath.c_str());
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}
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bool ESP_FileSystem::rmdir(const char *path)
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{
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if (!exists(path)) {
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return false;
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}
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bool res = true;
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GenLinkedList<String > pathlist;
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String spath = path;
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spath.trim();
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if (spath[spath.length()-1] != '/') {
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spath+="/";
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}
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if (spath[0] != '/') {
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spath ="/" + spath;
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}
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pathlist.push(spath);
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while (pathlist.count() > 0) {
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spath=pathlist.getLast();
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bool candelete = true;
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if (LITTLEFS.exists(spath.c_str())) {
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Dir dir = LITTLEFS.openDir(pathlist.getLast().c_str());
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while (dir.next()) {
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if (dir.isDirectory()) {
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candelete = false;
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String newdir = pathlist.getLast() + dir.fileName() + "/";
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pathlist.push(newdir);
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} else {
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log_esp3d("remove %s", dir.fileName().c_str());
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String s = spath + dir.fileName();
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LITTLEFS.remove(s);
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}
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}
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}
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if (candelete) {
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if (spath !="/") {
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if (spath[spath.length()-1] == '/') {
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spath.remove(spath.length()-1);
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}
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if (LITTLEFS.exists(spath.c_str())) {
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res = LITTLEFS.rmdir(spath.c_str());
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}
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log_esp3d("rmdir %s %d", spath.c_str(), res);
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}
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pathlist.pop();
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}
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}
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return res;
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}
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void ESP_FileSystem::closeAll()
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{
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for (uint8_t i = 0; i < ESP_MAX_OPENHANDLE; i++) {
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tDir_handle[i] = Dir();
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tFile_handle[i].close();
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tFile_handle[i] = File();
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}
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}
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ESP_File::ESP_File(void* handle, bool isdir, bool iswritemode, const char * path)
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{
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_isdir = isdir;
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_dirlist = "";
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_isfakedir = false;
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_index = -1;
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_filename = "";
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_name = "";
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_lastwrite = 0;
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_iswritemode = iswritemode;
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_size = 0;
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if (!handle) {
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log_esp3d("No handle");
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return ;
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}
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bool set =false;
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if (_isdir) {
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for (uint8_t i=0; (i < ESP_MAX_OPENHANDLE) && !set; i++) {
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if (tDir_handle[i].fileName().length() == 0) {
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tDir_handle[i] = *((Dir *)handle);
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_index = i;
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//Path = filename
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if (path) {
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_filename = path;
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_filename.trim();
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if (!((_filename[_filename.length()-1] == '/') || (_filename == "/"))) {
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_filename+="/";
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}
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//Name
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if (_filename == "/") {
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_name = "/";
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} else {
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_name.remove( 0, _name.lastIndexOf('/')+1);
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}
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}
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log_esp3d("Dir: %s index: %d", _name.c_str(), _index);
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log_esp3d("name: %s", _name.c_str());
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log_esp3d("filename: %s", _filename.c_str());
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set = true;
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}
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}
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return;
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}
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for (uint8_t i=0; (i < ESP_MAX_OPENHANDLE) && !set; i++) {
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if (!tFile_handle[i]) {
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tFile_handle[i] = *((File*)handle);
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//filename
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_filename = tFile_handle[i].fullName();
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//name
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_name = tFile_handle[i].name();
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//size
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_size = tFile_handle[i].size();
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//time
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_lastwrite = tFile_handle[i].getLastWrite();
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_index = i;
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log_esp3d("Opening File at index %d",_index);
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log_esp3d("name: %s", _name.c_str());
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log_esp3d("filename: %s", _filename.c_str());
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set = true;
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}
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}
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}
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void ESP_File::close()
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{
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if (_index != -1) {
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if (_isdir) {
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log_esp3d("Closing Dir at index %d", _index);
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tDir_handle[_index] = Dir();
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_index = -1;
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return;
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}
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log_esp3d("Closing File at index %d", _index);
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log_esp3d("Size is %d", tFile_handle[_index].size());
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tFile_handle[_index].close();
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//reopen if mode = write
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//udate size + date
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if (_iswritemode && !_isdir) {
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log_esp3d("Updating Size of %s",_filename.c_str());
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File ftmp = LITTLEFS.open(_filename.c_str(), "r");
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if (ftmp) {
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_size = ftmp.size();
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log_esp3d("Updating Size to %d", ftmp.size());
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_lastwrite = ftmp.getLastWrite();
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ftmp.close();
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}
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}
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_index = -1;
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}
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}
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ESP_File ESP_File::openNextFile()
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{
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if ((_index == -1) || !_isdir) {
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log_esp3d("openNextFile failed");
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return ESP_File();
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}
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if(tDir_handle[_index].next()) {
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String name = tDir_handle[_index].fileName();
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log_esp3d("Getting next file from %s", _filename.c_str());
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log_esp3d("name :%s %s", name.c_str(), (tDir_handle[_index].isDirectory())?"isDir":"isFile");
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String s = _filename;
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if(s[s.length()-1]!='/') {
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s+="/";
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}
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s+=name.c_str();
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if (tDir_handle[_index].isFile()) {
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ESP_File esptmp(name.c_str(), s.c_str(), false, tDir_handle[_index].fileSize()) ;
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return esptmp;
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} else {
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log_esp3d("Found dir name: %s filename:%s",name.c_str(), s.c_str());
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ESP_File esptmp = ESP_File(name.c_str(), s.c_str());
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return esptmp;
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}
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}
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return ESP_File();
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}
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#endif //ESP_LITTLEFS_FILESYSTEM
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