483 lines
14 KiB
C++
483 lines
14 KiB
C++
/*************************************************************************/
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/* os_linuxbsd.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "os_linuxbsd.h"
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#include "core/os/dir_access.h"
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#include "main/main.h"
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#ifdef X11_ENABLED
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#include "display_server_x11.h"
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#endif
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#ifdef HAVE_MNTENT
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#include <mntent.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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void OS_LinuxBSD::initialize() {
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crash_handler.initialize();
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OS_Unix::initialize_core();
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}
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void OS_LinuxBSD::initialize_joypads() {
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#ifdef JOYDEV_ENABLED
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joypad = memnew(JoypadLinux(Input::get_singleton()));
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#endif
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}
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String OS_LinuxBSD::get_unique_id() const {
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static String machine_id;
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if (machine_id.is_empty()) {
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if (FileAccess *f = FileAccess::open("/etc/machine-id", FileAccess::READ)) {
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while (machine_id.is_empty() && !f->eof_reached()) {
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machine_id = f->get_line().strip_edges();
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}
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f->close();
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memdelete(f);
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}
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}
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return machine_id;
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}
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void OS_LinuxBSD::finalize() {
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if (main_loop) {
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memdelete(main_loop);
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}
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main_loop = nullptr;
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#ifdef ALSAMIDI_ENABLED
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driver_alsamidi.close();
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#endif
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#ifdef JOYDEV_ENABLED
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if (joypad) {
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memdelete(joypad);
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}
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#endif
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}
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MainLoop *OS_LinuxBSD::get_main_loop() const {
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return main_loop;
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}
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void OS_LinuxBSD::delete_main_loop() {
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if (main_loop) {
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memdelete(main_loop);
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}
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main_loop = nullptr;
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}
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void OS_LinuxBSD::set_main_loop(MainLoop *p_main_loop) {
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main_loop = p_main_loop;
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}
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String OS_LinuxBSD::get_name() const {
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#ifdef __linux__
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return "Linux";
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#elif defined(__FreeBSD__)
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return "FreeBSD";
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#elif defined(__NetBSD__)
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return "NetBSD";
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#elif defined(__OpenBSD__)
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return "OpenBSD";
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#else
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return "BSD";
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#endif
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}
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Error OS_LinuxBSD::shell_open(String p_uri) {
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Error ok;
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int err_code;
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List<String> args;
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args.push_back(p_uri);
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// Agnostic
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ok = execute("xdg-open", args, nullptr, &err_code);
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if (ok == OK && !err_code) {
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return OK;
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} else if (err_code == 2) {
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return ERR_FILE_NOT_FOUND;
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}
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// GNOME
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args.push_front("open"); // The command is `gio open`, so we need to add it to args
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ok = execute("gio", args, nullptr, &err_code);
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if (ok == OK && !err_code) {
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return OK;
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} else if (err_code == 2) {
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return ERR_FILE_NOT_FOUND;
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}
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args.pop_front();
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ok = execute("gvfs-open", args, nullptr, &err_code);
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if (ok == OK && !err_code) {
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return OK;
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} else if (err_code == 2) {
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return ERR_FILE_NOT_FOUND;
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}
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// KDE
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ok = execute("kde-open5", args, nullptr, &err_code);
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if (ok == OK && !err_code) {
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return OK;
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}
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ok = execute("kde-open", args, nullptr, &err_code);
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return !err_code ? ok : FAILED;
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}
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bool OS_LinuxBSD::_check_internal_feature_support(const String &p_feature) {
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return p_feature == "pc";
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}
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String OS_LinuxBSD::get_config_path() const {
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if (has_environment("XDG_CONFIG_HOME")) {
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if (get_environment("XDG_CONFIG_HOME").is_abs_path()) {
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return get_environment("XDG_CONFIG_HOME");
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} else {
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WARN_PRINT_ONCE("`XDG_CONFIG_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.config` or `.` per the XDG Base Directory specification.");
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return has_environment("HOME") ? get_environment("HOME").plus_file(".config") : ".";
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}
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} else if (has_environment("HOME")) {
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return get_environment("HOME").plus_file(".config");
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} else {
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return ".";
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}
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}
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String OS_LinuxBSD::get_data_path() const {
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if (has_environment("XDG_DATA_HOME")) {
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if (get_environment("XDG_DATA_HOME").is_abs_path()) {
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return get_environment("XDG_DATA_HOME");
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} else {
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WARN_PRINT_ONCE("`XDG_DATA_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.local/share` or `get_config_path()` per the XDG Base Directory specification.");
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return has_environment("HOME") ? get_environment("HOME").plus_file(".local/share") : get_config_path();
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}
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} else if (has_environment("HOME")) {
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return get_environment("HOME").plus_file(".local/share");
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} else {
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return get_config_path();
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}
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}
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String OS_LinuxBSD::get_cache_path() const {
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if (has_environment("XDG_CACHE_HOME")) {
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if (get_environment("XDG_CACHE_HOME").is_abs_path()) {
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return get_environment("XDG_CACHE_HOME");
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} else {
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WARN_PRINT_ONCE("`XDG_CACHE_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.cache` or `get_config_path()` per the XDG Base Directory specification.");
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return has_environment("HOME") ? get_environment("HOME").plus_file(".cache") : get_config_path();
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}
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} else if (has_environment("HOME")) {
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return get_environment("HOME").plus_file(".cache");
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} else {
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return get_config_path();
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}
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}
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String OS_LinuxBSD::get_system_dir(SystemDir p_dir) const {
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String xdgparam;
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switch (p_dir) {
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case SYSTEM_DIR_DESKTOP: {
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xdgparam = "DESKTOP";
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} break;
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case SYSTEM_DIR_DCIM: {
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xdgparam = "PICTURES";
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} break;
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case SYSTEM_DIR_DOCUMENTS: {
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xdgparam = "DOCUMENTS";
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} break;
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case SYSTEM_DIR_DOWNLOADS: {
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xdgparam = "DOWNLOAD";
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} break;
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case SYSTEM_DIR_MOVIES: {
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xdgparam = "VIDEOS";
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} break;
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case SYSTEM_DIR_MUSIC: {
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xdgparam = "MUSIC";
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} break;
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case SYSTEM_DIR_PICTURES: {
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xdgparam = "PICTURES";
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} break;
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case SYSTEM_DIR_RINGTONES: {
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xdgparam = "MUSIC";
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} break;
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}
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String pipe;
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List<String> arg;
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arg.push_back(xdgparam);
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Error err = const_cast<OS_LinuxBSD *>(this)->execute("xdg-user-dir", arg, &pipe);
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if (err != OK) {
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return ".";
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}
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return pipe.strip_edges();
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}
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void OS_LinuxBSD::run() {
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force_quit = false;
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if (!main_loop) {
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return;
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}
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main_loop->initialize();
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//uint64_t last_ticks=get_ticks_usec();
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//int frames=0;
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//uint64_t frame=0;
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while (!force_quit) {
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DisplayServer::get_singleton()->process_events(); // get rid of pending events
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#ifdef JOYDEV_ENABLED
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joypad->process_joypads();
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#endif
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if (Main::iteration()) {
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break;
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}
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};
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main_loop->finalize();
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}
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void OS_LinuxBSD::disable_crash_handler() {
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crash_handler.disable();
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}
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bool OS_LinuxBSD::is_disable_crash_handler() const {
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return crash_handler.is_disabled();
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}
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static String get_mountpoint(const String &p_path) {
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struct stat s;
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if (stat(p_path.utf8().get_data(), &s)) {
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return "";
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}
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#ifdef HAVE_MNTENT
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dev_t dev = s.st_dev;
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FILE *fd = setmntent("/proc/mounts", "r");
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if (!fd) {
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return "";
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}
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struct mntent mnt;
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char buf[1024];
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size_t buflen = 1024;
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while (getmntent_r(fd, &mnt, buf, buflen)) {
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if (!stat(mnt.mnt_dir, &s) && s.st_dev == dev) {
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endmntent(fd);
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return String(mnt.mnt_dir);
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}
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}
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endmntent(fd);
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#endif
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return "";
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}
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Error OS_LinuxBSD::move_to_trash(const String &p_path) {
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int err_code;
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List<String> args;
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args.push_back(p_path);
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args.push_front("trash"); // The command is `gio trash <file_name>` so we need to add it to args.
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Error result = execute("gio", args, nullptr, &err_code); // For GNOME based machines.
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if (result == OK && !err_code) {
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return OK;
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} else if (err_code == 2) {
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return ERR_FILE_NOT_FOUND;
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}
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args.pop_front();
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args.push_front("move");
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args.push_back("trash:/"); // The command is `kioclient5 move <file_name> trash:/`.
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result = execute("kioclient5", args, nullptr, &err_code); // For KDE based machines.
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if (result == OK && !err_code) {
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return OK;
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} else if (err_code == 2) {
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return ERR_FILE_NOT_FOUND;
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}
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args.pop_front();
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args.pop_back();
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result = execute("gvfs-trash", args, nullptr, &err_code); // For older Linux machines.
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if (result == OK && !err_code) {
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return OK;
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} else if (err_code == 2) {
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return ERR_FILE_NOT_FOUND;
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}
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// If the commands `kioclient5`, `gio` or `gvfs-trash` don't exist on the system we do it manually.
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String trash_path = "";
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String mnt = get_mountpoint(p_path);
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// If there is a directory "[Mountpoint]/.Trash-[UID], use it as the trash can.
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if (mnt != "") {
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String path(mnt + "/.Trash-" + itos(getuid()));
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struct stat s;
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if (!stat(path.utf8().get_data(), &s)) {
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trash_path = path;
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}
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}
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// Otherwise, if ${XDG_DATA_HOME} is defined, use "${XDG_DATA_HOME}/Trash" as the trash can.
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if (trash_path == "") {
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char *dhome = getenv("XDG_DATA_HOME");
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if (dhome) {
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trash_path = String(dhome) + "/Trash";
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}
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}
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// Otherwise, if ${HOME} is defined, use "${HOME}/.local/share/Trash" as the trash can.
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if (trash_path == "") {
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char *home = getenv("HOME");
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if (home) {
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trash_path = String(home) + "/.local/share/Trash";
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}
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}
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// Issue an error if none of the previous locations is appropriate for the trash can.
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ERR_FAIL_COND_V_MSG(trash_path == "", FAILED, "Could not determine the trash can location");
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// Create needed directories for decided trash can location.
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{
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DirAccess *dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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Error err = dir_access->make_dir_recursive(trash_path);
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// Issue an error if trash can is not created proprely.
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ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\"");
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err = dir_access->make_dir_recursive(trash_path + "/files");
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ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\"/files");
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err = dir_access->make_dir_recursive(trash_path + "/info");
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ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\"/info");
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memdelete(dir_access);
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}
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// The trash can is successfully created, now we check that we don't exceed our file name length limit.
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// If the file name is too long trim it so we can add the identifying number and ".trashinfo".
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// Assumes that the file name length limit is 255 characters.
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String file_name = basename(p_path.utf8().get_data());
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if (file_name.length() > 240) {
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file_name = file_name.substr(0, file_name.length() - 15);
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}
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String dest_path = trash_path + "/files/" + file_name;
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struct stat buff;
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int id_number = 0;
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String fn = file_name;
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// Checks if a resource with the same name already exist in the trash can,
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// if there is, add an identifying number to our resource's name.
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while (stat(dest_path.utf8().get_data(), &buff) == 0) {
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id_number++;
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// Added a limit to check for identically named files already on the trash can
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// if there are too many it could make the editor unresponsive.
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ERR_FAIL_COND_V_MSG(id_number > 99, FAILED, "Too many identically named resources already in the trash can.");
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fn = file_name + "." + itos(id_number);
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dest_path = trash_path + "/files/" + fn;
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}
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file_name = fn;
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// Generates the .trashinfo file
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OS::Date date = OS::get_singleton()->get_date(false);
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OS::Time time = OS::get_singleton()->get_time(false);
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String timestamp = vformat("%04d-%02d-%02dT%02d:%02d:", date.year, date.month, date.day, time.hour, time.minute);
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timestamp = vformat("%s%02d", timestamp, time.second); // vformat only supports up to 6 arguments.
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String trash_info = "[Trash Info]\nPath=" + p_path.uri_encode() + "\nDeletionDate=" + timestamp + "\n";
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{
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Error err;
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FileAccess *file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file:" + trash_path + "/info/" + file_name + ".trashinfo");
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file->store_string(trash_info);
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file->close();
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// Rename our resource before moving it to the trash can.
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DirAccess *dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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err = dir_access->rename(p_path, p_path.get_base_dir() + "/" + file_name);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Can't rename file \"" + p_path + "\"");
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memdelete(dir_access);
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}
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// Move the given resource to the trash can.
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// Do not use DirAccess:rename() because it can't move files across multiple mountpoints.
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List<String> mv_args;
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mv_args.push_back(p_path.get_base_dir() + "/" + file_name);
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mv_args.push_back(trash_path + "/files");
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{
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int retval;
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Error err = execute("mv", mv_args, nullptr, &retval);
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// Issue an error if "mv" failed to move the given resource to the trash can.
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if (err != OK || retval != 0) {
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ERR_PRINT("move_to_trash: Could not move the resource \"" + p_path + "\" to the trash can \"" + trash_path + "/files\"");
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DirAccess *dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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err = dir_access->rename(p_path.get_base_dir() + "/" + file_name, p_path);
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memdelete(dir_access);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Could not rename " + p_path.get_base_dir() + "/" + file_name + " back to its original name:" + p_path);
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return FAILED;
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}
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}
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return OK;
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}
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OS_LinuxBSD::OS_LinuxBSD() {
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main_loop = nullptr;
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force_quit = false;
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#ifdef PULSEAUDIO_ENABLED
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AudioDriverManager::add_driver(&driver_pulseaudio);
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#endif
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#ifdef ALSA_ENABLED
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AudioDriverManager::add_driver(&driver_alsa);
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#endif
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#ifdef X11_ENABLED
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DisplayServerX11::register_x11_driver();
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#endif
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}
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