numam-spdk/include/spdk/log.h
Ben Walker 235a8e377e log: Rename, document the open and close calls
Name them spdk_log_open and spdk_log_close, and give them
API documentation.

Change-Id: I6c2bbdd6a32894c1e030ec70a97dc054cd7102a9
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/365292
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-06-16 16:15:06 -04:00

110 lines
3.7 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
* Logging interfaces
*/
#ifndef SPDK_LOG_H
#define SPDK_LOG_H
#include "spdk/stdinc.h"
/**
* Initialize the logging module. Messages prior
* to this call will be dropped.
*/
void spdk_log_open(void);
/**
* Close the currently active log. Messages after this call
* will be dropped.
*/
void spdk_log_close(void);
enum spdk_log_level {
SPDK_LOG_ERROR,
SPDK_LOG_WARN,
SPDK_LOG_NOTICE,
SPDK_LOG_INFO,
SPDK_LOG_DEBUG,
};
/**
* Set the threshold to log messages. Messages with a higher
* level than this are ignored.
*/
void spdk_log_set_level(enum spdk_log_level level);
/**
* Get the current log threshold.
*/
enum spdk_log_level spdk_log_get_level(void);
/*
* Default: 1 - noticelog messages will print to stderr and syslog.
* Can be set to 0 to print noticelog messages to syslog only.
*/
extern unsigned int spdk_g_notice_stderr_flag;
#define SPDK_NOTICELOG(...) \
spdk_noticelog(NULL, 0, NULL, __VA_ARGS__)
#define SPDK_WARNLOG(...) \
spdk_warnlog(NULL, 0, NULL, __VA_ARGS__)
#define SPDK_ERRLOG(...) \
spdk_errlog(__FILE__, __LINE__, __func__, __VA_ARGS__)
int spdk_set_log_facility(const char *facility);
const char *spdk_get_log_facility(void);
void spdk_noticelog(const char *file, const int line, const char *func,
const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
void spdk_warnlog(const char *file, const int line, const char *func,
const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
void spdk_tracelog(const char *flag, const char *file, const int line,
const char *func, const char *format, ...) __attribute__((__format__(__printf__, 5, 6)));
void spdk_errlog(const char *file, const int line, const char *func,
const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
void spdk_trace_dump(const char *label, const uint8_t *buf, size_t len);
bool spdk_log_get_trace_flag(const char *flag);
int spdk_log_set_trace_flag(const char *flag);
int spdk_log_clear_trace_flag(const char *flag);
void spdk_tracelog_usage(FILE *f, const char *trace_arg);
#endif /* SPDK_LOG_H */