[ceph.git] / ceph / src / spdk / dpdk / lib / librte_eal / common / eal_common_log.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2014 Intel Corporation
 */

#include <stdio.h>
#include <stdint.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <regex.h>
#include <fnmatch.h>

#include <rte_eal.h>
#include <rte_log.h>
#include <rte_per_lcore.h>

#include "eal_private.h"

/* global log structure */
struct rte_logs rte_logs = {
	.type = ~0,
	.level = RTE_LOG_DEBUG,
	.file = NULL,
};

struct rte_eal_opt_loglevel {
	/** Next list entry */
	TAILQ_ENTRY(rte_eal_opt_loglevel) next;
	/** Compiled regular expression obtained from the option */
	regex_t re_match;
	/** Globbing pattern option */
	char *pattern;
	/** Log level value obtained from the option */
	uint32_t level;
};

TAILQ_HEAD(rte_eal_opt_loglevel_list, rte_eal_opt_loglevel);

/** List of valid EAL log level options */
static struct rte_eal_opt_loglevel_list opt_loglevel_list =
	TAILQ_HEAD_INITIALIZER(opt_loglevel_list);

/* Stream to use for logging if rte_logs.file is NULL */
static FILE *default_log_stream;

/**
 * This global structure stores some information about the message
 * that is currently being processed by one lcore
 */
struct log_cur_msg {
	uint32_t loglevel; /**< log level - see rte_log.h */
	uint32_t logtype;  /**< log type  - see rte_log.h */
};

struct rte_log_dynamic_type {
	const char *name;
	uint32_t loglevel;
};

 /* per core log */
static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);

/* default logs */

/* Change the stream that will be used by logging system */
int
rte_openlog_stream(FILE *f)
{
	rte_logs.file = f;
	return 0;
}

FILE *
rte_log_get_stream(void)
{
	FILE *f = rte_logs.file;

	if (f == NULL) {
		/*
		 * Grab the current value of stderr here, rather than
		 * just initializing default_log_stream to stderr. This
		 * ensures that we will always use the current value
		 * of stderr, even if the application closes and
		 * reopens it.
		 */
		return default_log_stream ? : stderr;
	}
	return f;
}

/* Set global log level */
void
rte_log_set_global_level(uint32_t level)
{
	rte_logs.level = (uint32_t)level;
}

/* Get global log level */
uint32_t
rte_log_get_global_level(void)
{
	return rte_logs.level;
}

int
rte_log_get_level(uint32_t type)
{
	if (type >= rte_logs.dynamic_types_len)
		return -1;

	return rte_logs.dynamic_types[type].loglevel;
}

bool
rte_log_can_log(uint32_t logtype, uint32_t level)
{
	int log_level;

	if (level > rte_log_get_global_level())
		return false;

	log_level = rte_log_get_level(logtype);
	if (log_level < 0)
		return false;

	if (level > (uint32_t)log_level)
		return false;

	return true;
}

int
rte_log_set_level(uint32_t type, uint32_t level)
{
	if (type >= rte_logs.dynamic_types_len)
		return -1;
	if (level > RTE_LOG_DEBUG)
		return -1;

	rte_logs.dynamic_types[type].loglevel = level;

	return 0;
}

/* set log level by regular expression */
int
rte_log_set_level_regexp(const char *regex, uint32_t level)
{
	regex_t r;
	size_t i;

	if (level > RTE_LOG_DEBUG)
		return -1;

	if (regcomp(&r, regex, 0) != 0)
		return -1;

	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
		if (rte_logs.dynamic_types[i].name == NULL)
			continue;
		if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
				NULL, 0) == 0)
			rte_logs.dynamic_types[i].loglevel = level;
	}

	regfree(&r);

	return 0;
}

/*
 * Save the type string and the loglevel for later dynamic
 * logtypes which may register later.
 */
static int rte_log_save_level(int priority,
			      const char *regex, const char *pattern)
{
	struct rte_eal_opt_loglevel *opt_ll = NULL;

	opt_ll = malloc(sizeof(*opt_ll));
	if (opt_ll == NULL)
		goto fail;

	opt_ll->level = priority;

	if (regex) {
		opt_ll->pattern = NULL;
		if (regcomp(&opt_ll->re_match, regex, 0) != 0)
			goto fail;
	} else if (pattern) {
		opt_ll->pattern = strdup(pattern);
		if (opt_ll->pattern == NULL)
			goto fail;
	} else
		goto fail;

	TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
	return 0;
fail:
	free(opt_ll);
	return -1;
}

int rte_log_save_regexp(const char *regex, int tmp)
{
	return rte_log_save_level(tmp, regex, NULL);
}

/* set log level based on globbing pattern */
int
rte_log_set_level_pattern(const char *pattern, uint32_t level)
{
	size_t i;

	if (level > RTE_LOG_DEBUG)
		return -1;

	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
		if (rte_logs.dynamic_types[i].name == NULL)
			continue;

		if (fnmatch(pattern, rte_logs.dynamic_types[i].name, 0) == 0)
			rte_logs.dynamic_types[i].loglevel = level;
	}

	return 0;
}

int rte_log_save_pattern(const char *pattern, int priority)
{
	return rte_log_save_level(priority, NULL, pattern);
}

/* get the current loglevel for the message being processed */
int rte_log_cur_msg_loglevel(void)
{
	return RTE_PER_LCORE(log_cur_msg).loglevel;
}

/* get the current logtype for the message being processed */
int rte_log_cur_msg_logtype(void)
{
	return RTE_PER_LCORE(log_cur_msg).logtype;
}

static int
rte_log_lookup(const char *name)
{
	size_t i;

	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
		if (rte_logs.dynamic_types[i].name == NULL)
			continue;
		if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
			return i;
	}

	return -1;
}

/* register an extended log type, assuming table is large enough, and id
 * is not yet registered.
 */
static int
__rte_log_register(const char *name, int id)
{
	char *dup_name = strdup(name);

	if (dup_name == NULL)
		return -ENOMEM;

	rte_logs.dynamic_types[id].name = dup_name;
	rte_logs.dynamic_types[id].loglevel = RTE_LOG_INFO;

	return id;
}

/* register an extended log type */
int
rte_log_register(const char *name)
{
	struct rte_log_dynamic_type *new_dynamic_types;
	int id, ret;

	id = rte_log_lookup(name);
	if (id >= 0)
		return id;

	new_dynamic_types = realloc(rte_logs.dynamic_types,
		sizeof(struct rte_log_dynamic_type) *
		(rte_logs.dynamic_types_len + 1));
	if (new_dynamic_types == NULL)
		return -ENOMEM;
	rte_logs.dynamic_types = new_dynamic_types;

	ret = __rte_log_register(name, rte_logs.dynamic_types_len);
	if (ret < 0)
		return ret;

	rte_logs.dynamic_types_len++;

	return ret;
}

/* Register an extended log type and try to pick its level from EAL options */
int
rte_log_register_type_and_pick_level(const char *name, uint32_t level_def)
{
	struct rte_eal_opt_loglevel *opt_ll;
	uint32_t level = level_def;
	int type;

	type = rte_log_register(name);
	if (type < 0)
		return type;

	TAILQ_FOREACH(opt_ll, &opt_loglevel_list, next) {
		if (opt_ll->level > RTE_LOG_DEBUG)
			continue;

		if (opt_ll->pattern) {
			if (fnmatch(opt_ll->pattern, name, 0) == 0)
				level = opt_ll->level;
		} else {
			if (regexec(&opt_ll->re_match, name, 0, NULL, 0) == 0)
				level = opt_ll->level;
		}
	}

	rte_logs.dynamic_types[type].loglevel = level;

	return type;
}

struct logtype {
	uint32_t log_id;
	const char *logtype;
};

static const struct logtype logtype_strings[] = {
	{RTE_LOGTYPE_EAL,        "lib.eal"},
	{RTE_LOGTYPE_MALLOC,     "lib.malloc"},
	{RTE_LOGTYPE_RING,       "lib.ring"},
	{RTE_LOGTYPE_MEMPOOL,    "lib.mempool"},
	{RTE_LOGTYPE_TIMER,      "lib.timer"},
	{RTE_LOGTYPE_PMD,        "pmd"},
	{RTE_LOGTYPE_HASH,       "lib.hash"},
	{RTE_LOGTYPE_LPM,        "lib.lpm"},
	{RTE_LOGTYPE_KNI,        "lib.kni"},
	{RTE_LOGTYPE_ACL,        "lib.acl"},
	{RTE_LOGTYPE_POWER,      "lib.power"},
	{RTE_LOGTYPE_METER,      "lib.meter"},
	{RTE_LOGTYPE_SCHED,      "lib.sched"},
	{RTE_LOGTYPE_PORT,       "lib.port"},
	{RTE_LOGTYPE_TABLE,      "lib.table"},
	{RTE_LOGTYPE_PIPELINE,   "lib.pipeline"},
	{RTE_LOGTYPE_MBUF,       "lib.mbuf"},
	{RTE_LOGTYPE_CRYPTODEV,  "lib.cryptodev"},
	{RTE_LOGTYPE_EFD,        "lib.efd"},
	{RTE_LOGTYPE_EVENTDEV,   "lib.eventdev"},
	{RTE_LOGTYPE_GSO,        "lib.gso"},
	{RTE_LOGTYPE_USER1,      "user1"},
	{RTE_LOGTYPE_USER2,      "user2"},
	{RTE_LOGTYPE_USER3,      "user3"},
	{RTE_LOGTYPE_USER4,      "user4"},
	{RTE_LOGTYPE_USER5,      "user5"},
	{RTE_LOGTYPE_USER6,      "user6"},
	{RTE_LOGTYPE_USER7,      "user7"},
	{RTE_LOGTYPE_USER8,      "user8"}
};

/* Logging should be first initializer (before drivers and bus) */
RTE_INIT_PRIO(rte_log_init, LOG)
{
	uint32_t i;

	rte_log_set_global_level(RTE_LOG_DEBUG);

	rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
		sizeof(struct rte_log_dynamic_type));
	if (rte_logs.dynamic_types == NULL)
		return;

	/* register legacy log types */
	for (i = 0; i < RTE_DIM(logtype_strings); i++)
		__rte_log_register(logtype_strings[i].logtype,
				logtype_strings[i].log_id);

	rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
}

static const char *
loglevel_to_string(uint32_t level)
{
	switch (level) {
	case 0: return "disabled";
	case RTE_LOG_EMERG: return "emerg";
	case RTE_LOG_ALERT: return "alert";
	case RTE_LOG_CRIT: return "critical";
	case RTE_LOG_ERR: return "error";
	case RTE_LOG_WARNING: return "warning";
	case RTE_LOG_NOTICE: return "notice";
	case RTE_LOG_INFO: return "info";
	case RTE_LOG_DEBUG: return "debug";
	default: return "unknown";
	}
}

/* dump global level and registered log types */
void
rte_log_dump(FILE *f)
{
	size_t i;

	fprintf(f, "global log level is %s\n",
		loglevel_to_string(rte_log_get_global_level()));

	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
		if (rte_logs.dynamic_types[i].name == NULL)
			continue;
		fprintf(f, "id %zu: %s, level is %s\n",
			i, rte_logs.dynamic_types[i].name,
			loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
	}
}

/*
 * Generates a log message The message will be sent in the stream
 * defined by the previous call to rte_openlog_stream().
 */
int
rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
{
	FILE *f = rte_log_get_stream();
	int ret;

	if (logtype >= rte_logs.dynamic_types_len)
		return -1;
	if (!rte_log_can_log(logtype, level))
		return 0;

	/* save loglevel and logtype in a global per-lcore variable */
	RTE_PER_LCORE(log_cur_msg).loglevel = level;
	RTE_PER_LCORE(log_cur_msg).logtype = logtype;

	ret = vfprintf(f, format, ap);
	fflush(f);
	return ret;
}

/*
 * Generates a log message The message will be sent in the stream
 * defined by the previous call to rte_openlog_stream().
 * No need to check level here, done by rte_vlog().
 */
int
rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
{
	va_list ap;
	int ret;

	va_start(ap, format);
	ret = rte_vlog(level, logtype, format, ap);
	va_end(ap);
	return ret;
}

/*
 * Called by environment-specific initialization functions.
 */
void
eal_log_set_default(FILE *default_log)
{
	default_log_stream = default_log;

#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
	RTE_LOG(NOTICE, EAL,
		"Debug dataplane logs available - lower performance\n");
#endif
}
Commit	Line	Data
11fdf7f2 TL	1	/* SPDX-License-Identifier: BSD-3-Clause
	2	* Copyright(c) 2010-2014 Intel Corporation
	3	*/
	4
	5	#include <stdio.h>
	6	#include <stdint.h>
	7	#include <stdarg.h>
	8	#include <stdlib.h>
	9	#include <string.h>
	10	#include <errno.h>
	11	#include <regex.h>
	12	#include <fnmatch.h>
	13
	14	#include <rte_eal.h>
	15	#include <rte_log.h>
	16	#include <rte_per_lcore.h>
	17
	18	#include "eal_private.h"
	19
	20	/* global log structure */
	21	struct rte_logs rte_logs = {
	22	.type = ~0,
	23	.level = RTE_LOG_DEBUG,
	24	.file = NULL,
	25	};
	26
	27	struct rte_eal_opt_loglevel {
	28	/** Next list entry */
	29	TAILQ_ENTRY(rte_eal_opt_loglevel) next;
	30	/** Compiled regular expression obtained from the option */
	31	regex_t re_match;
f67539c2	32	/** Globbing pattern option */
11fdf7f2 TL	33	char *pattern;
	34	/** Log level value obtained from the option */
	35	uint32_t level;
	36	};
	37
	38	TAILQ_HEAD(rte_eal_opt_loglevel_list, rte_eal_opt_loglevel);
	39
	40	/** List of valid EAL log level options */
	41	static struct rte_eal_opt_loglevel_list opt_loglevel_list =
	42	TAILQ_HEAD_INITIALIZER(opt_loglevel_list);
	43
	44	/* Stream to use for logging if rte_logs.file is NULL */
	45	static FILE *default_log_stream;
	46
	47	/**
f67539c2	48	* This global structure stores some information about the message
11fdf7f2 TL	49	* that is currently being processed by one lcore
	50	*/
	51	struct log_cur_msg {
	52	uint32_t loglevel; /*< log level - see rte_log.h /
	53	uint32_t logtype; /*< log type - see rte_log.h /
	54	};
	55
	56	struct rte_log_dynamic_type {
	57	const char *name;
	58	uint32_t loglevel;
	59	};
	60
	61	/* per core log */
	62	static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);
	63
	64	/* default logs */
	65
	66	/* Change the stream that will be used by logging system */
	67	int
	68	rte_openlog_stream(FILE *f)
	69	{
	70	rte_logs.file = f;
	71	return 0;
	72	}
	73
f67539c2 TL	74	FILE *
	75	rte_log_get_stream(void)
	76	{
	77	FILE *f = rte_logs.file;
	78
	79	if (f == NULL) {
	80	/*
	81	* Grab the current value of stderr here, rather than
	82	* just initializing default_log_stream to stderr. This
	83	* ensures that we will always use the current value
	84	* of stderr, even if the application closes and
	85	* reopens it.
	86	*/
	87	return default_log_stream ? : stderr;
	88	}
	89	return f;
	90	}
	91
11fdf7f2 TL	92	/* Set global log level */
	93	void
	94	rte_log_set_global_level(uint32_t level)
	95	{
	96	rte_logs.level = (uint32_t)level;
	97	}
	98
	99	/* Get global log level */
	100	uint32_t
	101	rte_log_get_global_level(void)
	102	{
	103	return rte_logs.level;
	104	}
	105
	106	int
	107	rte_log_get_level(uint32_t type)
	108	{
	109	if (type >= rte_logs.dynamic_types_len)
	110	return -1;
	111
	112	return rte_logs.dynamic_types[type].loglevel;
	113	}
	114
f67539c2 TL	115	bool
	116	rte_log_can_log(uint32_t logtype, uint32_t level)
	117	{
	118	int log_level;
	119
	120	if (level > rte_log_get_global_level())
	121	return false;
	122
	123	log_level = rte_log_get_level(logtype);
	124	if (log_level < 0)
	125	return false;
	126
	127	if (level > (uint32_t)log_level)
	128	return false;
	129
	130	return true;
	131	}
	132
11fdf7f2 TL	133	int
	134	rte_log_set_level(uint32_t type, uint32_t level)
	135	{
	136	if (type >= rte_logs.dynamic_types_len)
	137	return -1;
	138	if (level > RTE_LOG_DEBUG)
	139	return -1;
	140
	141	rte_logs.dynamic_types[type].loglevel = level;
	142
	143	return 0;
	144	}
	145
	146	/* set log level by regular expression */
	147	int
	148	rte_log_set_level_regexp(const char *regex, uint32_t level)
	149	{
	150	regex_t r;
	151	size_t i;
	152
	153	if (level > RTE_LOG_DEBUG)
	154	return -1;
	155
	156	if (regcomp(&r, regex, 0) != 0)
	157	return -1;
	158
	159	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
	160	if (rte_logs.dynamic_types[i].name == NULL)
	161	continue;
	162	if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
	163	NULL, 0) == 0)
	164	rte_logs.dynamic_types[i].loglevel = level;
	165	}
	166
	167	regfree(&r);
	168
	169	return 0;
	170	}
	171
	172	/*
	173	* Save the type string and the loglevel for later dynamic
	174	* logtypes which may register later.
	175	*/
	176	static int rte_log_save_level(int priority,
	177	const char regex, const char pattern)
	178	{
	179	struct rte_eal_opt_loglevel *opt_ll = NULL;
	180
	181	opt_ll = malloc(sizeof(*opt_ll));
	182	if (opt_ll == NULL)
	183	goto fail;
	184
	185	opt_ll->level = priority;
	186
	187	if (regex) {
	188	opt_ll->pattern = NULL;
	189	if (regcomp(&opt_ll->re_match, regex, 0) != 0)
	190	goto fail;
	191	} else if (pattern) {
	192	opt_ll->pattern = strdup(pattern);
	193	if (opt_ll->pattern == NULL)
	194	goto fail;
	195	} else
	196	goto fail;
197
198	TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
199	return 0;
200	fail:
201	free(opt_ll);
202	return -1;
203	}
204
205	int rte_log_save_regexp(const char *regex, int tmp)
206	{
207	return rte_log_save_level(tmp, regex, NULL);
208	}
209
f67539c2	210	/* set log level based on globbing pattern */
11fdf7f2 TL	211	int
	212	rte_log_set_level_pattern(const char *pattern, uint32_t level)
	213	{
	214	size_t i;
	215
	216	if (level > RTE_LOG_DEBUG)
	217	return -1;
	218
	219	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
	220	if (rte_logs.dynamic_types[i].name == NULL)
	221	continue;
	222
	223	if (fnmatch(pattern, rte_logs.dynamic_types[i].name, 0) == 0)
	224	rte_logs.dynamic_types[i].loglevel = level;
	225	}
	226
	227	return 0;
	228	}
	229
	230	int rte_log_save_pattern(const char *pattern, int priority)
	231	{
	232	return rte_log_save_level(priority, NULL, pattern);
	233	}
	234
	235	/* get the current loglevel for the message being processed */
	236	int rte_log_cur_msg_loglevel(void)
	237	{
	238	return RTE_PER_LCORE(log_cur_msg).loglevel;
	239	}
	240
	241	/* get the current logtype for the message being processed */
	242	int rte_log_cur_msg_logtype(void)
	243	{
	244	return RTE_PER_LCORE(log_cur_msg).logtype;
	245	}
	246
	247	static int
	248	rte_log_lookup(const char *name)
	249	{
	250	size_t i;
	251
	252	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
	253	if (rte_logs.dynamic_types[i].name == NULL)
	254	continue;
	255	if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
	256	return i;
	257	}
	258
	259	return -1;
	260	}
	261
	262	/* register an extended log type, assuming table is large enough, and id
	263	* is not yet registered.
	264	*/
	265	static int
	266	__rte_log_register(const char *name, int id)
	267	{
	268	char *dup_name = strdup(name);
	269
	270	if (dup_name == NULL)
	271	return -ENOMEM;
	272
	273	rte_logs.dynamic_types[id].name = dup_name;
	274	rte_logs.dynamic_types[id].loglevel = RTE_LOG_INFO;
275
276	return id;
277	}
278
279	/* register an extended log type */
280	int
281	rte_log_register(const char *name)
282	{
283	struct rte_log_dynamic_type *new_dynamic_types;
284	int id, ret;
285
286	id = rte_log_lookup(name);
287	if (id >= 0)
288	return id;
289
290	new_dynamic_types = realloc(rte_logs.dynamic_types,
291	sizeof(struct rte_log_dynamic_type) *
292	(rte_logs.dynamic_types_len + 1));
293	if (new_dynamic_types == NULL)
294	return -ENOMEM;
295	rte_logs.dynamic_types = new_dynamic_types;
296
297	ret = __rte_log_register(name, rte_logs.dynamic_types_len);
298	if (ret < 0)
299	return ret;
300
301	rte_logs.dynamic_types_len++;
302
303	return ret;
304	}
305
306	/* Register an extended log type and try to pick its level from EAL options */
f67539c2	307	int
11fdf7f2 TL	308	rte_log_register_type_and_pick_level(const char *name, uint32_t level_def)
	309	{
	310	struct rte_eal_opt_loglevel *opt_ll;
	311	uint32_t level = level_def;
	312	int type;
	313
	314	type = rte_log_register(name);
	315	if (type < 0)
	316	return type;
	317
	318	TAILQ_FOREACH(opt_ll, &opt_loglevel_list, next) {
	319	if (opt_ll->level > RTE_LOG_DEBUG)
	320	continue;
	321
	322	if (opt_ll->pattern) {
f67539c2	323	if (fnmatch(opt_ll->pattern, name, 0) == 0)
11fdf7f2 TL	324	level = opt_ll->level;
	325	} else {
	326	if (regexec(&opt_ll->re_match, name, 0, NULL, 0) == 0)
	327	level = opt_ll->level;
	328	}
	329	}
	330
	331	rte_logs.dynamic_types[type].loglevel = level;
	332
	333	return type;
	334	}
	335
	336	struct logtype {
	337	uint32_t log_id;
	338	const char *logtype;
	339	};
	340
	341	static const struct logtype logtype_strings[] = {
	342	{RTE_LOGTYPE_EAL, "lib.eal"},
	343	{RTE_LOGTYPE_MALLOC, "lib.malloc"},
	344	{RTE_LOGTYPE_RING, "lib.ring"},
	345	{RTE_LOGTYPE_MEMPOOL, "lib.mempool"},
	346	{RTE_LOGTYPE_TIMER, "lib.timer"},
	347	{RTE_LOGTYPE_PMD, "pmd"},
	348	{RTE_LOGTYPE_HASH, "lib.hash"},
	349	{RTE_LOGTYPE_LPM, "lib.lpm"},
	350	{RTE_LOGTYPE_KNI, "lib.kni"},
	351	{RTE_LOGTYPE_ACL, "lib.acl"},
	352	{RTE_LOGTYPE_POWER, "lib.power"},
	353	{RTE_LOGTYPE_METER, "lib.meter"},
	354	{RTE_LOGTYPE_SCHED, "lib.sched"},
	355	{RTE_LOGTYPE_PORT, "lib.port"},
	356	{RTE_LOGTYPE_TABLE, "lib.table"},
	357	{RTE_LOGTYPE_PIPELINE, "lib.pipeline"},
	358	{RTE_LOGTYPE_MBUF, "lib.mbuf"},
	359	{RTE_LOGTYPE_CRYPTODEV, "lib.cryptodev"},
	360	{RTE_LOGTYPE_EFD, "lib.efd"},
	361	{RTE_LOGTYPE_EVENTDEV, "lib.eventdev"},
	362	{RTE_LOGTYPE_GSO, "lib.gso"},
	363	{RTE_LOGTYPE_USER1, "user1"},
	364	{RTE_LOGTYPE_USER2, "user2"},
	365	{RTE_LOGTYPE_USER3, "user3"},
	366	{RTE_LOGTYPE_USER4, "user4"},
	367	{RTE_LOGTYPE_USER5, "user5"},
	368	{RTE_LOGTYPE_USER6, "user6"},
	369	{RTE_LOGTYPE_USER7, "user7"},
	370	{RTE_LOGTYPE_USER8, "user8"}
	371	};
	372
	373	/* Logging should be first initializer (before drivers and bus) */
	374	RTE_INIT_PRIO(rte_log_init, LOG)
	375	{
	376	uint32_t i;
	377
	378	rte_log_set_global_level(RTE_LOG_DEBUG);
	379
	380	rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
	381	sizeof(struct rte_log_dynamic_type));
	382	if (rte_logs.dynamic_types == NULL)
	383	return;
	384
	385	/* register legacy log types */
	386	for (i = 0; i < RTE_DIM(logtype_strings); i++)
	387	__rte_log_register(logtype_strings[i].logtype,
388	logtype_strings[i].log_id);
389
390	rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
391	}
392
393	static const char *
394	loglevel_to_string(uint32_t level)
395	{
396	switch (level) {
397	case 0: return "disabled";
398	case RTE_LOG_EMERG: return "emerg";
399	case RTE_LOG_ALERT: return "alert";
400	case RTE_LOG_CRIT: return "critical";
401	case RTE_LOG_ERR: return "error";
402	case RTE_LOG_WARNING: return "warning";
403	case RTE_LOG_NOTICE: return "notice";
404	case RTE_LOG_INFO: return "info";
405	case RTE_LOG_DEBUG: return "debug";
406	default: return "unknown";
407	}
408	}
409
410	/* dump global level and registered log types */
411	void
412	rte_log_dump(FILE *f)
413	{
414	size_t i;
415
416	fprintf(f, "global log level is %s\n",
417	loglevel_to_string(rte_log_get_global_level()));
418
419	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
420	if (rte_logs.dynamic_types[i].name == NULL)
421	continue;
422	fprintf(f, "id %zu: %s, level is %s\n",
423	i, rte_logs.dynamic_types[i].name,
424	loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
425	}
426	}
427
428	/*
429	* Generates a log message The message will be sent in the stream
430	* defined by the previous call to rte_openlog_stream().
431	*/
432	int
433	rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
434	{
f67539c2	435	FILE *f = rte_log_get_stream();
11fdf7f2	436	int ret;
11fdf7f2	437
11fdf7f2 TL	438	if (logtype >= rte_logs.dynamic_types_len)
11fdf7f2 TL	439	return -1;
f67539c2	440	if (!rte_log_can_log(logtype, level))
11fdf7f2 TL	441	return 0;
	442
	443	/* save loglevel and logtype in a global per-lcore variable */
	444	RTE_PER_LCORE(log_cur_msg).loglevel = level;
	445	RTE_PER_LCORE(log_cur_msg).logtype = logtype;
	446
	447	ret = vfprintf(f, format, ap);
	448	fflush(f);
	449	return ret;
	450	}
	451
	452	/*
	453	* Generates a log message The message will be sent in the stream
	454	* defined by the previous call to rte_openlog_stream().
	455	* No need to check level here, done by rte_vlog().
	456	*/
	457	int
	458	rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
	459	{
	460	va_list ap;
	461	int ret;
	462
	463	va_start(ap, format);
	464	ret = rte_vlog(level, logtype, format, ap);
	465	va_end(ap);
	466	return ret;
	467	}
	468
	469	/*
	470	* Called by environment-specific initialization functions.
	471	*/
	472	void
	473	eal_log_set_default(FILE *default_log)
	474	{
	475	default_log_stream = default_log;
	476
	477	#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
	478	RTE_LOG(NOTICE, EAL,
	479	"Debug dataplane logs available - lower performance\n");
	480	#endif
	481	}