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/*-
* 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.
*/
#include "spdk/stdinc.h"
#include "spdk_internal/log.h"
static TAILQ_HEAD(, spdk_log_flag) g_log_flags = TAILQ_HEAD_INITIALIZER(g_log_flags);
enum spdk_log_level g_spdk_log_level = SPDK_LOG_NOTICE;
enum spdk_log_level g_spdk_log_print_level = SPDK_LOG_NOTICE;
SPDK_LOG_REGISTER_COMPONENT("log", SPDK_LOG_LOG)
#define MAX_TMPBUF 1024
void
spdk_log_set_level(enum spdk_log_level level)
{
assert(level >= SPDK_LOG_DISABLED);
assert(level <= SPDK_LOG_DEBUG);
g_spdk_log_level = level;
}
enum spdk_log_level
spdk_log_get_level(void) {
return g_spdk_log_level;
}
void
spdk_log_set_print_level(enum spdk_log_level level)
{
assert(level >= SPDK_LOG_DISABLED);
assert(level <= SPDK_LOG_DEBUG);
g_spdk_log_print_level = level;
}
enum spdk_log_level
spdk_log_get_print_level(void) {
return g_spdk_log_print_level;
}
static struct spdk_log_flag *
get_log_flag(const char *name)
{
struct spdk_log_flag *flag;
TAILQ_FOREACH(flag, &g_log_flags, tailq) {
if (strcasecmp(name, flag->name) == 0) {
return flag;
}
}
return NULL;
}
void
spdk_log_register_flag(const char *name, struct spdk_log_flag *flag)
{
struct spdk_log_flag *iter;
if (name == NULL || flag == NULL) {
SPDK_ERRLOG("missing spdk_log_flag parameters\n");
assert(false);
return;
}
if (get_log_flag(name)) {
SPDK_ERRLOG("duplicate spdk_log_flag '%s'\n", name);
assert(false);
return;
}
TAILQ_FOREACH(iter, &g_log_flags, tailq) {
if (strcasecmp(iter->name, flag->name) > 0) {
TAILQ_INSERT_BEFORE(iter, flag, tailq);
return;
}
}
TAILQ_INSERT_TAIL(&g_log_flags, flag, tailq);
}
bool
spdk_log_get_flag(const char *name)
{
struct spdk_log_flag *flag = get_log_flag(name);
if (flag && flag->enabled) {
return true;
}
return false;
}
static int
log_set_flag(const char *name, bool value)
{
struct spdk_log_flag *flag;
if (strcasecmp(name, "all") == 0) {
TAILQ_FOREACH(flag, &g_log_flags, tailq) {
flag->enabled = value;
}
return 0;
}
flag = get_log_flag(name);
if (flag == NULL) {
return -1;
}
flag->enabled = value;
return 0;
}
int
spdk_log_set_flag(const char *name)
{
return log_set_flag(name, true);
}
int
spdk_log_clear_flag(const char *name)
{
return log_set_flag(name, false);
}
struct spdk_log_flag *
spdk_log_get_first_flag(void)
{
return TAILQ_FIRST(&g_log_flags);
}
struct spdk_log_flag *
spdk_log_get_next_flag(struct spdk_log_flag *flag)
{
return TAILQ_NEXT(flag, tailq);
}
void
spdk_log_usage(FILE *f, const char *log_arg)
{
#ifdef DEBUG
struct spdk_log_flag *flag;
fprintf(f, " %s, --logflag <flag> enable debug log flag (all", log_arg);
TAILQ_FOREACH(flag, &g_log_flags, tailq) {
fprintf(f, ", %s", flag->name);
}
fprintf(f, ")\n");
#else
fprintf(f, " %s, --logflag <flag> enable debug log flag (not supported"
" - must reconfigure with --enable-debug)\n", log_arg);
#endif
}
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