rte_log.h

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/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   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
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 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _RTE_LOG_H_
#define _RTE_LOG_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
#include <stdio.h>
#include <stdarg.h>

struct rte_logs {
        uint32_t type;  
        uint32_t level; 
        FILE *file;     
};

extern struct rte_logs rte_logs;

/* SDK log type */
#define RTE_LOGTYPE_EAL     0x00000001 
#define RTE_LOGTYPE_MALLOC  0x00000002 
#define RTE_LOGTYPE_RING    0x00000004 
#define RTE_LOGTYPE_MEMPOOL 0x00000008 
#define RTE_LOGTYPE_TIMER   0x00000010 
#define RTE_LOGTYPE_PMD     0x00000020 
#define RTE_LOGTYPE_HASH    0x00000040 
#define RTE_LOGTYPE_LPM     0x00000080 
#define RTE_LOGTYPE_KNI     0x00000100 
#define RTE_LOGTYPE_ACL     0x00000200 
#define RTE_LOGTYPE_POWER   0x00000400 
#define RTE_LOGTYPE_METER   0x00000800 
#define RTE_LOGTYPE_SCHED   0x00001000 
#define RTE_LOGTYPE_PORT    0x00002000 
#define RTE_LOGTYPE_TABLE   0x00004000 
#define RTE_LOGTYPE_PIPELINE 0x00008000 
#define RTE_LOGTYPE_MBUF    0x00010000 
#define RTE_LOGTYPE_CRYPTODEV 0x00020000 
/* these log types can be used in an application */
#define RTE_LOGTYPE_USER1   0x01000000 
#define RTE_LOGTYPE_USER2   0x02000000 
#define RTE_LOGTYPE_USER3   0x04000000 
#define RTE_LOGTYPE_USER4   0x08000000 
#define RTE_LOGTYPE_USER5   0x10000000 
#define RTE_LOGTYPE_USER6   0x20000000 
#define RTE_LOGTYPE_USER7   0x40000000 
#define RTE_LOGTYPE_USER8   0x80000000 
/* Can't use 0, as it gives compiler warnings */
#define RTE_LOG_EMERG    1U  
#define RTE_LOG_ALERT    2U  
#define RTE_LOG_CRIT     3U  
#define RTE_LOG_ERR      4U  
#define RTE_LOG_WARNING  5U  
#define RTE_LOG_NOTICE   6U  
#define RTE_LOG_INFO     7U  
#define RTE_LOG_DEBUG    8U  
extern FILE *eal_default_log_stream;

int rte_openlog_stream(FILE *f);

void rte_set_log_level(uint32_t level);

uint32_t rte_get_log_level(void);

void rte_set_log_type(uint32_t type, int enable);

uint32_t rte_get_log_type(void);

int rte_log_cur_msg_loglevel(void);

int rte_log_cur_msg_logtype(void);

void rte_log_set_history(int enable);

void rte_log_dump_history(FILE *f);

int rte_log_add_in_history(const char *buf, size_t size);

int rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
#ifdef __GNUC__
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
        __attribute__((cold))
#endif
#endif
        __attribute__((format(printf, 3, 4)));

int rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
        __attribute__((format(printf,3,0)));

#define RTE_LOG(l, t, ...)                                      \
        (void)((RTE_LOG_ ## l <= RTE_LOG_LEVEL) ?               \
         rte_log(RTE_LOG_ ## l,                                 \
                 RTE_LOGTYPE_ ## t, # t ": " __VA_ARGS__) :     \
         0)

#ifdef __cplusplus
}
#endif

#endif /* _RTE_LOG_H_ */