libei/src/util-logger.h
Peter Hutterer 46681e2855 Add SPDX identifiers to all source files
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2022-03-03 00:27:36 +00:00

94 lines
3 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "config.h"
#include <stdarg.h>
#include "util-macros.h"
struct logger;
enum logger_priority {
LOGGER_DEBUG = 20,
LOGGER_INFO = 30,
LOGGER_WARN = 40,
LOGGER_ERROR = 50,
};
typedef void (*logger_log_func_t)(struct logger *logger,
const char *prefix,
enum logger_priority priority,
const char *file, int lineno, const char *func,
const char *format, va_list args);
void
log_msg(struct logger *logger,
enum logger_priority priority,
const char *file, int lineno, const char *func,
const char *format, ...);
void
log_msg_va(struct logger *logger,
enum logger_priority priority,
const char *file, int lineno, const char *func,
const char *format,
va_list args);
/* log helpers. The struct T_ needs to have a field called 'logger' */
#define log_debug(T_, ...) \
log_msg((T_)->logger, LOGGER_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_info(T_, ...) \
log_msg((T_)->logger, LOGGER_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_warn(T_, ...) \
log_msg((T_)->logger, LOGGER_WARN, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_error(T_, ...) \
log_msg((T_)->logger, LOGGER_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_bug(T_, ...) \
log_msg((T_)->logger, LOGGER_ERROR, __FILE__, __LINE__, __func__, "bug: " __VA_ARGS__)
struct logger *
logger_new(const char *prefix, void *user_data);
struct logger *
logger_unref(struct logger *logger);
void *
logger_get_user_data(struct logger *logger);
void
logger_set_user_data(struct logger *logger,
void *user_data);
enum logger_priority
logger_get_priority(struct logger *logger);
void
logger_set_priority(struct logger *logger,
enum logger_priority priority);
void
logger_set_handler(struct logger *logger,
logger_log_func_t handler);