iSulad/src/log.h
2019-12-25 15:50:34 +08:00

179 lines
6.8 KiB
C

/******************************************************************************
* Copyright (c) Huawei Technologies Co., Ltd. 2018-2019. All rights reserved.
* iSulad licensed under the Mulan PSL v1.
* You can use this software according to the terms and conditions of the Mulan PSL v1.
* You may obtain a copy of Mulan PSL v1 at:
* http://license.coscl.org.cn/MulanPSL
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
* PURPOSE.
* See the Mulan PSL v1 for more details.
* Author: tanyifeng
* Create: 2018-11-08
* Description: provide container log function definition
******************************************************************************/
#ifndef __LCRD_LOG_H
#define __LCRD_LOG_H
#include <syslog.h>
#include <stdbool.h>
#include <sys/time.h>
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 02000000
#endif
#ifndef F_DUPFD_CLOEXEC
#define F_DUPFD_CLOEXEC 1030
#endif
#define LCRD_LOG_BUFFER_SIZE 4096
/* We're logging in seconds and nanoseconds. Assuming that the underlying
* datatype is currently at maximum a 64bit integer, we have a date string that
* is of maximum length (2^64 - 1) * 2 = (21 + 21) = 42.
* */
#define LCRD_LOG_TIME_SIZE 42
enum g_log_driver { LOG_DRIVER_STDOUT, LOG_DRIVER_FIFO, LOG_DRIVER_SYSLOG, LOG_DRIVER_NOSET };
struct log_config {
const char *name;
const char *file;
const char *priority;
const char *prefix;
const char *driver;
bool quiet;
};
/* location information of the logging event */
struct log_locinfo {
const char *file;
const char *func;
int line;
};
#define LOG_LOCINFO_INIT \
{ \
.file = __FILE__, .func = __func__, .line = __LINE__, \
}
/* brief logging event object */
struct log_event {
int priority;
struct log_locinfo *locinfo;
};
int log_init(struct log_config *log);
void set_default_command_log_config(const char *name, struct log_config *log);
void set_log_prefix(const char *prefix);
void free_log_prefix();
int change_str_logdriver_to_enum(const char *driver);
int log_append(const struct log_event *event, const char *format, ...);
#define DEBUG(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_DEBUG; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define INFO(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_INFO; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define NOTICE(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_NOTICE; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define WARN(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_WARNING; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define ERROR(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_ERR; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define EVENT(format, ...) \
do { \
struct log_event append_log_event; \
append_log_event.locinfo = NULL; \
append_log_event.priority = LOG_ERR; \
log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define CRIT(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_CRIT; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define ALERT(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_ALERT; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define FATAL(format, ...) \
do { \
struct log_locinfo locinfo = LOG_LOCINFO_INIT; \
struct log_event append_log_event; \
append_log_event.locinfo = &locinfo; \
append_log_event.priority = LOG_EMERG; \
(void)log_append(&append_log_event, format, ##__VA_ARGS__); \
} while (0)
#define SYSERROR(format, ...) \
do { \
ERROR("%s - " format, strerror(errno), ##__VA_ARGS__); \
} while (0)
#define COMMAND_ERROR(fmt, args...) \
do { \
fprintf(stderr, fmt "\n", ##args); \
} while (0)
#ifdef __cplusplus
}
#endif
#endif /* __LCRD_LOG_H */