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288 lines
9.1 KiB
C++
288 lines
9.1 KiB
C++
/**************************************************************************/
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/* logger.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "logger.h"
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#include "core/core_globals.h"
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#include "core/io/dir_access.h"
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#include "core/os/time.h"
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#include "core/templates/rb_set.h"
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#include "modules/modules_enabled.gen.h" // For regex.
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#ifdef MODULE_REGEX_ENABLED
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#include "modules/regex/regex.h"
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#endif // MODULE_REGEX_ENABLED
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#if defined(MINGW_ENABLED) || defined(_MSC_VER)
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#define sprintf sprintf_s
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#endif
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bool Logger::should_log(bool p_err) {
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return (!p_err || CoreGlobals::print_error_enabled) && (p_err || CoreGlobals::print_line_enabled);
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}
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bool Logger::_flush_stdout_on_print = true;
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void Logger::set_flush_stdout_on_print(bool value) {
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_flush_stdout_on_print = value;
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}
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void Logger::log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, bool p_editor_notify, ErrorType p_type, const Vector<Ref<ScriptBacktrace>> &p_script_backtraces) {
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if (!should_log(true)) {
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return;
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}
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const char *err_type = "ERROR";
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switch (p_type) {
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case ERR_ERROR:
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err_type = "ERROR";
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break;
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case ERR_WARNING:
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err_type = "WARNING";
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break;
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case ERR_SCRIPT:
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err_type = "SCRIPT ERROR";
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break;
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case ERR_SHADER:
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err_type = "SHADER ERROR";
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break;
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default:
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ERR_PRINT("Unknown error type");
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break;
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}
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const char *err_details;
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if (p_rationale && *p_rationale) {
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err_details = p_rationale;
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} else {
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err_details = p_code;
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}
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logf_error("%s: %s\n", err_type, err_details);
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logf_error(" at: %s (%s:%i)\n", p_function, p_file, p_line);
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for (const Ref<ScriptBacktrace> &backtrace : p_script_backtraces) {
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logf_error("%s\n", backtrace->format(3).utf8().get_data());
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}
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}
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void Logger::logf(const char *p_format, ...) {
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if (!should_log(false)) {
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return;
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}
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va_list argp;
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va_start(argp, p_format);
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logv(p_format, argp, false);
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va_end(argp);
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}
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void Logger::logf_error(const char *p_format, ...) {
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if (!should_log(true)) {
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return;
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}
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va_list argp;
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va_start(argp, p_format);
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logv(p_format, argp, true);
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va_end(argp);
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}
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void RotatedFileLogger::clear_old_backups() {
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int max_backups = max_files - 1; // -1 for the current file
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String basename = base_path.get_file().get_basename();
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String extension = base_path.get_extension();
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Ref<DirAccess> da = DirAccess::open(base_path.get_base_dir());
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if (da.is_null()) {
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return;
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}
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da->list_dir_begin();
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String f = da->get_next();
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// backups is a RBSet because it guarantees that iterating on it is done in sorted order.
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// RotatedFileLogger depends on this behavior to delete the oldest log file first.
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RBSet<String> backups;
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while (!f.is_empty()) {
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if (!da->current_is_dir() && f.begins_with(basename) && f.get_extension() == extension && f != base_path.get_file()) {
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backups.insert(f);
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}
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f = da->get_next();
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}
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da->list_dir_end();
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if (backups.size() > max_backups) {
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// since backups are appended with timestamp and Set iterates them in sorted order,
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// first backups are the oldest
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int to_delete = backups.size() - max_backups;
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for (RBSet<String>::Element *E = backups.front(); E && to_delete > 0; E = E->next(), --to_delete) {
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da->remove(E->get());
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}
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}
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}
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void RotatedFileLogger::rotate_file() {
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file.unref();
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if (FileAccess::exists(base_path)) {
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if (max_files > 1) {
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String timestamp = Time::get_singleton()->get_datetime_string_from_system().replace(":", ".");
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String backup_name = base_path.get_basename() + timestamp;
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if (!base_path.get_extension().is_empty()) {
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backup_name += "." + base_path.get_extension();
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}
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Ref<DirAccess> da = DirAccess::open(base_path.get_base_dir());
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if (da.is_valid()) {
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da->copy(base_path, backup_name);
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}
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clear_old_backups();
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}
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} else {
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Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_USERDATA);
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if (da.is_valid()) {
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da->make_dir_recursive(base_path.get_base_dir());
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}
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}
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file = FileAccess::open(base_path, FileAccess::WRITE);
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file->detach_from_objectdb(); // Note: This FileAccess instance will exist longer than ObjectDB, therefore can't be registered in ObjectDB.
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}
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RotatedFileLogger::RotatedFileLogger(const String &p_base_path, int p_max_files) :
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base_path(p_base_path.simplify_path()),
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max_files(p_max_files > 0 ? p_max_files : 1) {
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rotate_file();
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#ifdef MODULE_REGEX_ENABLED
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strip_ansi_regex.instantiate();
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strip_ansi_regex->detach_from_objectdb(); // Note: This RegEx instance will exist longer than ObjectDB, therefore can't be registered in ObjectDB.
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strip_ansi_regex->compile("\u001b\\[((?:\\d|;)*)([a-zA-Z])");
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#endif // MODULE_REGEX_ENABLED
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}
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void RotatedFileLogger::logv(const char *p_format, va_list p_list, bool p_err) {
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if (!should_log(p_err)) {
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return;
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}
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if (file.is_valid()) {
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const int static_buf_size = 512;
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char static_buf[static_buf_size];
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char *buf = static_buf;
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va_list list_copy;
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va_copy(list_copy, p_list);
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int len = vsnprintf(buf, static_buf_size, p_format, p_list);
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if (len >= static_buf_size) {
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buf = (char *)Memory::alloc_static(len + 1);
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vsnprintf(buf, len + 1, p_format, list_copy);
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}
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va_end(list_copy);
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#ifdef MODULE_REGEX_ENABLED
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// Strip ANSI escape codes (such as those inserted by `print_rich()`)
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// before writing to file, as text editors cannot display those
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// correctly.
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file->store_string(strip_ansi_regex->sub(String::utf8(buf), "", true));
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#else
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file->store_buffer((uint8_t *)buf, len);
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#endif // MODULE_REGEX_ENABLED
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if (len >= static_buf_size) {
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Memory::free_static(buf);
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}
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if (p_err || _flush_stdout_on_print) {
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// Don't always flush when printing stdout to avoid performance
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// issues when `print()` is spammed in release builds.
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file->flush();
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}
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}
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}
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void StdLogger::logv(const char *p_format, va_list p_list, bool p_err) {
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if (!should_log(p_err)) {
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return;
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}
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if (p_err) {
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vfprintf(stderr, p_format, p_list);
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} else {
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vprintf(p_format, p_list);
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if (_flush_stdout_on_print) {
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// Don't always flush when printing stdout to avoid performance
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// issues when `print()` is spammed in release builds.
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fflush(stdout);
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}
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}
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}
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CompositeLogger::CompositeLogger(const Vector<Logger *> &p_loggers) :
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loggers(p_loggers) {
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}
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void CompositeLogger::logv(const char *p_format, va_list p_list, bool p_err) {
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if (!should_log(p_err)) {
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return;
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}
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for (int i = 0; i < loggers.size(); ++i) {
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va_list list_copy;
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va_copy(list_copy, p_list);
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loggers[i]->logv(p_format, list_copy, p_err);
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va_end(list_copy);
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}
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}
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void CompositeLogger::log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, bool p_editor_notify, ErrorType p_type, const Vector<Ref<ScriptBacktrace>> &p_script_backtraces) {
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if (!should_log(true)) {
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return;
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}
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for (int i = 0; i < loggers.size(); ++i) {
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loggers[i]->log_error(p_function, p_file, p_line, p_code, p_rationale, p_editor_notify, p_type, p_script_backtraces);
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}
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}
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void CompositeLogger::add_logger(Logger *p_logger) {
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loggers.push_back(p_logger);
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}
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CompositeLogger::~CompositeLogger() {
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for (int i = 0; i < loggers.size(); ++i) {
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memdelete(loggers[i]);
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}
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}
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