lsquic_logger.c revision bfc7bfd8
150aadb33SDmitri Tikhonov/* Copyright (c) 2017 LiteSpeed Technologies Inc.  See LICENSE. */
250aadb33SDmitri Tikhonov/*
350aadb33SDmitri Tikhonov * LSQUIC Logger implementation.
450aadb33SDmitri Tikhonov */
550aadb33SDmitri Tikhonov
650aadb33SDmitri Tikhonov#include <errno.h>
750aadb33SDmitri Tikhonov#include <inttypes.h>
850aadb33SDmitri Tikhonov#include <stdarg.h>
950aadb33SDmitri Tikhonov#include <stdio.h>
1050aadb33SDmitri Tikhonov#include <stdlib.h>
1150aadb33SDmitri Tikhonov#include <string.h>
1250aadb33SDmitri Tikhonov#include <sys/time.h>
1350aadb33SDmitri Tikhonov#include <time.h>
1450aadb33SDmitri Tikhonov
1550aadb33SDmitri Tikhonov#define LSQUIC_LOGGER_MODULE LSQLM_LOGGER /* Quis custodiet ipsos custodes? */
1650aadb33SDmitri Tikhonov#include "lsquic_logger.h"
1750aadb33SDmitri Tikhonov#include "lsquic.h"
1850aadb33SDmitri Tikhonov
1950aadb33SDmitri Tikhonovstatic enum lsquic_logger_timestamp_style g_llts = LLTS_NONE;
2050aadb33SDmitri Tikhonov
2150aadb33SDmitri Tikhonovstatic int
2250aadb33SDmitri Tikhonovnull_vprintf (void *ctx, const char *fmt, va_list ap)
2350aadb33SDmitri Tikhonov{
2450aadb33SDmitri Tikhonov    return 0;
2550aadb33SDmitri Tikhonov}
2650aadb33SDmitri Tikhonov
2750aadb33SDmitri Tikhonov
2850aadb33SDmitri Tikhonovstatic int
2950aadb33SDmitri Tikhonovfile_vprintf (void *ctx, const char *fmt, va_list ap)
3050aadb33SDmitri Tikhonov{
3150aadb33SDmitri Tikhonov    return vfprintf((FILE *) ctx, fmt, ap);
3250aadb33SDmitri Tikhonov}
3350aadb33SDmitri Tikhonov
3450aadb33SDmitri Tikhonov
3550aadb33SDmitri Tikhonovstatic const struct lsquic_logger_if file_logger_if = {
3650aadb33SDmitri Tikhonov    .vprintf    = file_vprintf,
3750aadb33SDmitri Tikhonov};
3850aadb33SDmitri Tikhonov
3950aadb33SDmitri Tikhonovstatic const struct lsquic_logger_if null_logger_if = {
4050aadb33SDmitri Tikhonov    .vprintf    = null_vprintf,
4150aadb33SDmitri Tikhonov};
4250aadb33SDmitri Tikhonov
4350aadb33SDmitri Tikhonovstatic void *logger_ctx = NULL;
4450aadb33SDmitri Tikhonovstatic const struct lsquic_logger_if *logger_if = &null_logger_if;
4550aadb33SDmitri Tikhonov
4650aadb33SDmitri Tikhonovenum lsq_log_level lsq_log_levels[N_LSQUIC_LOGGER_MODULES] = {
4750aadb33SDmitri Tikhonov    [LSQLM_NOMODULE]    = LSQ_LOG_WARN,
4850aadb33SDmitri Tikhonov    [LSQLM_LOGGER]      = LSQ_LOG_WARN,
4950aadb33SDmitri Tikhonov    [LSQLM_EVENT]       = LSQ_LOG_WARN,
5050aadb33SDmitri Tikhonov    [LSQLM_ENGINE]      = LSQ_LOG_WARN,
5150aadb33SDmitri Tikhonov    [LSQLM_CONN]        = LSQ_LOG_WARN,
5250aadb33SDmitri Tikhonov    [LSQLM_RECHIST]     = LSQ_LOG_WARN,
5350aadb33SDmitri Tikhonov    [LSQLM_STREAM]      = LSQ_LOG_WARN,
5450aadb33SDmitri Tikhonov    [LSQLM_PARSE]       = LSQ_LOG_WARN,
5550aadb33SDmitri Tikhonov    [LSQLM_CFCW]        = LSQ_LOG_WARN,
5650aadb33SDmitri Tikhonov    [LSQLM_SFCW]        = LSQ_LOG_WARN,
5750aadb33SDmitri Tikhonov    [LSQLM_SENDCTL]     = LSQ_LOG_WARN,
5850aadb33SDmitri Tikhonov    [LSQLM_ALARMSET]    = LSQ_LOG_WARN,
5950aadb33SDmitri Tikhonov    [LSQLM_CRYPTO]      = LSQ_LOG_WARN,
6050aadb33SDmitri Tikhonov    [LSQLM_HANDSHAKE]   = LSQ_LOG_WARN,
6150aadb33SDmitri Tikhonov    [LSQLM_HSK_ADAPTER] = LSQ_LOG_WARN,
6250aadb33SDmitri Tikhonov    [LSQLM_CUBIC]       = LSQ_LOG_WARN,
6350aadb33SDmitri Tikhonov    [LSQLM_HEADERS]     = LSQ_LOG_WARN,
6450aadb33SDmitri Tikhonov    [LSQLM_FRAME_READER]= LSQ_LOG_WARN,
6550aadb33SDmitri Tikhonov    [LSQLM_FRAME_WRITER]= LSQ_LOG_WARN,
6650aadb33SDmitri Tikhonov    [LSQLM_CONN_HASH]   = LSQ_LOG_WARN,
6750aadb33SDmitri Tikhonov    [LSQLM_ENG_HIST]    = LSQ_LOG_WARN,
6850aadb33SDmitri Tikhonov    [LSQLM_SPI]         = LSQ_LOG_WARN,
6950aadb33SDmitri Tikhonov    [LSQLM_DI]          = LSQ_LOG_WARN,
7050aadb33SDmitri Tikhonov    [LSQLM_PACER]       = LSQ_LOG_WARN,
7150aadb33SDmitri Tikhonov};
7250aadb33SDmitri Tikhonov
7350aadb33SDmitri Tikhonovconst char *const lsqlm_to_str[N_LSQUIC_LOGGER_MODULES] = {
7450aadb33SDmitri Tikhonov    [LSQLM_NOMODULE]    = "",
7550aadb33SDmitri Tikhonov    [LSQLM_LOGGER]      = "logger",
7650aadb33SDmitri Tikhonov    [LSQLM_EVENT]       = "event",
7750aadb33SDmitri Tikhonov    [LSQLM_ENGINE]      = "engine",
7850aadb33SDmitri Tikhonov    [LSQLM_CONN]        = "conn",
7950aadb33SDmitri Tikhonov    [LSQLM_RECHIST]     = "rechist",
8050aadb33SDmitri Tikhonov    [LSQLM_STREAM]      = "stream",
8150aadb33SDmitri Tikhonov    [LSQLM_PARSE]       = "parse",
8250aadb33SDmitri Tikhonov    [LSQLM_CFCW]        = "cfcw",
8350aadb33SDmitri Tikhonov    [LSQLM_SFCW]        = "sfcw",
8450aadb33SDmitri Tikhonov    [LSQLM_SENDCTL]     = "sendctl",
8550aadb33SDmitri Tikhonov    [LSQLM_ALARMSET]    = "alarmset",
8650aadb33SDmitri Tikhonov    [LSQLM_CRYPTO]      = "crypto",
8750aadb33SDmitri Tikhonov    [LSQLM_HANDSHAKE]   = "handshake",
8850aadb33SDmitri Tikhonov    [LSQLM_HSK_ADAPTER] = "hsk-adapter",
8950aadb33SDmitri Tikhonov    [LSQLM_CUBIC]       = "cubic",
9050aadb33SDmitri Tikhonov    [LSQLM_HEADERS]     = "headers",
9150aadb33SDmitri Tikhonov    [LSQLM_FRAME_READER]= "frame-reader",
9250aadb33SDmitri Tikhonov    [LSQLM_FRAME_WRITER]= "frame-writer",
9350aadb33SDmitri Tikhonov    [LSQLM_CONN_HASH]   = "conn-hash",
9450aadb33SDmitri Tikhonov    [LSQLM_ENG_HIST]    = "eng-hist",
9550aadb33SDmitri Tikhonov    [LSQLM_SPI]         = "spi",
9650aadb33SDmitri Tikhonov    [LSQLM_DI]          = "di",
9750aadb33SDmitri Tikhonov    [LSQLM_PACER]       = "pacer",
9850aadb33SDmitri Tikhonov};
9950aadb33SDmitri Tikhonov
10050aadb33SDmitri Tikhonovconst char *const lsq_loglevel2str[N_LSQUIC_LOG_LEVELS] = {
10150aadb33SDmitri Tikhonov    [LSQ_LOG_ALERT]   =  "ALERT",
10250aadb33SDmitri Tikhonov    [LSQ_LOG_CRIT]    =  "CRIT",
10350aadb33SDmitri Tikhonov    [LSQ_LOG_DEBUG]   =  "DEBUG",
10450aadb33SDmitri Tikhonov    [LSQ_LOG_EMERG]   =  "EMERG",
10550aadb33SDmitri Tikhonov    [LSQ_LOG_ERROR]   =  "ERROR",
10650aadb33SDmitri Tikhonov    [LSQ_LOG_INFO]    =  "INFO",
10750aadb33SDmitri Tikhonov    [LSQ_LOG_NOTICE]  =  "NOTICE",
10850aadb33SDmitri Tikhonov    [LSQ_LOG_WARN]    =  "WARN",
10950aadb33SDmitri Tikhonov};
11050aadb33SDmitri Tikhonov
11150aadb33SDmitri Tikhonov
11250aadb33SDmitri Tikhonovstatic void
11350aadb33SDmitri Tikhonovlsquic_printf (const char *fmt, ...)
11450aadb33SDmitri Tikhonov{
11550aadb33SDmitri Tikhonov    va_list ap;
11650aadb33SDmitri Tikhonov    va_start(ap, fmt);
11750aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
11850aadb33SDmitri Tikhonov    va_end(ap);
11950aadb33SDmitri Tikhonov}
12050aadb33SDmitri Tikhonov
12150aadb33SDmitri Tikhonov
12250aadb33SDmitri Tikhonovstatic void
12350aadb33SDmitri Tikhonovprint_timestamp (void)
12450aadb33SDmitri Tikhonov{
12550aadb33SDmitri Tikhonov    struct tm tm;
12650aadb33SDmitri Tikhonov    struct timeval tv;
12750aadb33SDmitri Tikhonov    gettimeofday(&tv, NULL);
12850aadb33SDmitri Tikhonov    localtime_r(&tv.tv_sec, &tm);
129bfc7bfd8SDmitri Tikhonov    if (g_llts == LLTS_YYYYMMDD_HHMMSSUS)
130bfc7bfd8SDmitri Tikhonov        lsquic_printf("%04d-%02d-%02d %02d:%02d:%02d.%06d ",
131bfc7bfd8SDmitri Tikhonov            tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
132bfc7bfd8SDmitri Tikhonov            tm.tm_hour, tm.tm_min, tm.tm_sec, (int) (tv.tv_usec));
133bfc7bfd8SDmitri Tikhonov    else if (g_llts == LLTS_YYYYMMDD_HHMMSSMS)
13450aadb33SDmitri Tikhonov        lsquic_printf("%04d-%02d-%02d %02d:%02d:%02d.%03d ",
13550aadb33SDmitri Tikhonov            tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
13650aadb33SDmitri Tikhonov            tm.tm_hour, tm.tm_min, tm.tm_sec, (int) (tv.tv_usec / 1000));
13750aadb33SDmitri Tikhonov    else if (g_llts == LLTS_HHMMSSMS)
13850aadb33SDmitri Tikhonov        lsquic_printf("%02d:%02d:%02d.%03d ", tm.tm_hour, tm.tm_min,
13950aadb33SDmitri Tikhonov                                    tm.tm_sec, (int) (tv.tv_usec / 1000));
14050aadb33SDmitri Tikhonov    else if (g_llts == LLTS_HHMMSSUS)
14150aadb33SDmitri Tikhonov        lsquic_printf("%02d:%02d:%02d.%06d ", tm.tm_hour, tm.tm_min,
14250aadb33SDmitri Tikhonov                                    tm.tm_sec, (int) tv.tv_usec);
14350aadb33SDmitri Tikhonov    else if (g_llts == LLTS_CHROMELIKE)
14450aadb33SDmitri Tikhonov        lsquic_printf("%02d%02d/%02d%02d%02d.%06d ", tm.tm_mon + 1,
14550aadb33SDmitri Tikhonov            tm.tm_mday,tm.tm_hour, tm.tm_min, tm.tm_sec, (int) tv.tv_usec);
14650aadb33SDmitri Tikhonov}
14750aadb33SDmitri Tikhonov
14850aadb33SDmitri Tikhonov
14950aadb33SDmitri Tikhonovvoid
15050aadb33SDmitri Tikhonovlsquic_logger_log3 (enum lsq_log_level log_level,
15150aadb33SDmitri Tikhonov                    enum lsquic_logger_module module,
15250aadb33SDmitri Tikhonov                    uint64_t conn_id, uint32_t stream_id, const char *fmt, ...)
15350aadb33SDmitri Tikhonov{
15450aadb33SDmitri Tikhonov    const int saved_errno = errno;
15550aadb33SDmitri Tikhonov
15650aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
15750aadb33SDmitri Tikhonov        print_timestamp();
15850aadb33SDmitri Tikhonov
15950aadb33SDmitri Tikhonov    lsquic_printf("[%s] [QUIC:%"PRIu64"-%"PRIu32"] %s: ",
16050aadb33SDmitri Tikhonov        lsq_loglevel2str[log_level], conn_id, stream_id, lsqlm_to_str[module]);
16150aadb33SDmitri Tikhonov    va_list ap;
16250aadb33SDmitri Tikhonov    va_start(ap, fmt);
16350aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
16450aadb33SDmitri Tikhonov    va_end(ap);
16550aadb33SDmitri Tikhonov    lsquic_printf("\n");
16650aadb33SDmitri Tikhonov    errno = saved_errno;
16750aadb33SDmitri Tikhonov}
16850aadb33SDmitri Tikhonov
16950aadb33SDmitri Tikhonov
17050aadb33SDmitri Tikhonovvoid
17150aadb33SDmitri Tikhonovlsquic_logger_log2 (enum lsq_log_level log_level,
17250aadb33SDmitri Tikhonov                    enum lsquic_logger_module module,
17350aadb33SDmitri Tikhonov                    uint64_t conn_id, const char *fmt, ...)
17450aadb33SDmitri Tikhonov{
17550aadb33SDmitri Tikhonov    const int saved_errno = errno;
17650aadb33SDmitri Tikhonov
17750aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
17850aadb33SDmitri Tikhonov        print_timestamp();
17950aadb33SDmitri Tikhonov
18050aadb33SDmitri Tikhonov    lsquic_printf("[%s] [QUIC:%"PRIu64"] %s: ",
18150aadb33SDmitri Tikhonov        lsq_loglevel2str[log_level], conn_id, lsqlm_to_str[module]);
18250aadb33SDmitri Tikhonov    va_list ap;
18350aadb33SDmitri Tikhonov    va_start(ap, fmt);
18450aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
18550aadb33SDmitri Tikhonov    va_end(ap);
18650aadb33SDmitri Tikhonov    lsquic_printf("\n");
18750aadb33SDmitri Tikhonov    errno = saved_errno;
18850aadb33SDmitri Tikhonov}
18950aadb33SDmitri Tikhonov
19050aadb33SDmitri Tikhonov
19150aadb33SDmitri Tikhonovvoid
19250aadb33SDmitri Tikhonovlsquic_logger_log1 (enum lsq_log_level log_level,
19350aadb33SDmitri Tikhonov                    enum lsquic_logger_module module,
19450aadb33SDmitri Tikhonov                    const char *fmt, ...)
19550aadb33SDmitri Tikhonov{
19650aadb33SDmitri Tikhonov    const int saved_errno = errno;
19750aadb33SDmitri Tikhonov
19850aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
19950aadb33SDmitri Tikhonov        print_timestamp();
20050aadb33SDmitri Tikhonov
20150aadb33SDmitri Tikhonov    lsquic_printf("[%s] %s: ", lsq_loglevel2str[log_level],
20250aadb33SDmitri Tikhonov                                                lsqlm_to_str[module]);
20350aadb33SDmitri Tikhonov    va_list ap;
20450aadb33SDmitri Tikhonov    va_start(ap, fmt);
20550aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
20650aadb33SDmitri Tikhonov    va_end(ap);
20750aadb33SDmitri Tikhonov    lsquic_printf("\n");
20850aadb33SDmitri Tikhonov    errno = saved_errno;
20950aadb33SDmitri Tikhonov}
21050aadb33SDmitri Tikhonov
21150aadb33SDmitri Tikhonov
21250aadb33SDmitri Tikhonovvoid
21350aadb33SDmitri Tikhonovlsquic_logger_log0 (enum lsq_log_level log_level, const char *fmt, ...)
21450aadb33SDmitri Tikhonov{
21550aadb33SDmitri Tikhonov    const int saved_errno = errno;
21650aadb33SDmitri Tikhonov
21750aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
21850aadb33SDmitri Tikhonov        print_timestamp();
21950aadb33SDmitri Tikhonov
22050aadb33SDmitri Tikhonov    lsquic_printf("[%s] ", lsq_loglevel2str[log_level]);
22150aadb33SDmitri Tikhonov    va_list ap;
22250aadb33SDmitri Tikhonov    va_start(ap, fmt);
22350aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
22450aadb33SDmitri Tikhonov    va_end(ap);
22550aadb33SDmitri Tikhonov    lsquic_printf("\n");
22650aadb33SDmitri Tikhonov    errno = saved_errno;
22750aadb33SDmitri Tikhonov}
22850aadb33SDmitri Tikhonov
22950aadb33SDmitri Tikhonov
23050aadb33SDmitri Tikhonovvoid
23150aadb33SDmitri Tikhonovlsquic_logger_init (const struct lsquic_logger_if *lif, void *lctx,
23250aadb33SDmitri Tikhonov                    unsigned llts)
23350aadb33SDmitri Tikhonov{
23450aadb33SDmitri Tikhonov    logger_if  = lif;
23550aadb33SDmitri Tikhonov    logger_ctx = lctx;
23650aadb33SDmitri Tikhonov    if (llts < N_LLTS)
23750aadb33SDmitri Tikhonov        g_llts = llts;
23850aadb33SDmitri Tikhonov    LSQ_DEBUG("%s called", __func__);
23950aadb33SDmitri Tikhonov}
24050aadb33SDmitri Tikhonov
24150aadb33SDmitri Tikhonov
24250aadb33SDmitri Tikhonovenum lsquic_logger_module
24350aadb33SDmitri Tikhonovlsquic_str_to_logger_module (const char *str)
24450aadb33SDmitri Tikhonov{
24550aadb33SDmitri Tikhonov    enum lsquic_logger_module i;
24650aadb33SDmitri Tikhonov    for (i = 0; i < sizeof(lsqlm_to_str) / sizeof(lsqlm_to_str[0]); ++i)
24750aadb33SDmitri Tikhonov        if (0 == strcasecmp(lsqlm_to_str[i], str))
24850aadb33SDmitri Tikhonov            return i;
24950aadb33SDmitri Tikhonov    return -1;
25050aadb33SDmitri Tikhonov}
25150aadb33SDmitri Tikhonov
25250aadb33SDmitri Tikhonov
25350aadb33SDmitri Tikhonovenum lsq_log_level
25450aadb33SDmitri Tikhonovlsquic_str_to_log_level (const char *str)
25550aadb33SDmitri Tikhonov{
25650aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "emerg"))
25750aadb33SDmitri Tikhonov        return LSQ_LOG_EMERG;
25850aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "alert"))
25950aadb33SDmitri Tikhonov        return LSQ_LOG_ALERT;
26050aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "crit"))
26150aadb33SDmitri Tikhonov        return LSQ_LOG_CRIT;
26250aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "error"))
26350aadb33SDmitri Tikhonov        return LSQ_LOG_ERROR;
26450aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "warn"))
26550aadb33SDmitri Tikhonov        return LSQ_LOG_WARN;
26650aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "notice"))
26750aadb33SDmitri Tikhonov        return LSQ_LOG_NOTICE;
26850aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "info"))
26950aadb33SDmitri Tikhonov        return LSQ_LOG_INFO;
27050aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "debug"))
27150aadb33SDmitri Tikhonov        return LSQ_LOG_DEBUG;
27250aadb33SDmitri Tikhonov    return -1;
27350aadb33SDmitri Tikhonov}
27450aadb33SDmitri Tikhonov
27550aadb33SDmitri Tikhonov
27650aadb33SDmitri Tikhonovvoid
27750aadb33SDmitri Tikhonovlsquic_log_to_fstream (FILE *file, unsigned llts)
27850aadb33SDmitri Tikhonov{
27950aadb33SDmitri Tikhonov    lsquic_logger_init(&file_logger_if, file, llts);
28050aadb33SDmitri Tikhonov}
28150aadb33SDmitri Tikhonov
28250aadb33SDmitri Tikhonov
28350aadb33SDmitri Tikhonovint
28450aadb33SDmitri Tikhonovlsquic_logger_lopt (const char *optarg_orig)
28550aadb33SDmitri Tikhonov{
28650aadb33SDmitri Tikhonov    char *const optarg = strdup(optarg_orig);
28750aadb33SDmitri Tikhonov    char *mod_str;
28850aadb33SDmitri Tikhonov    int i;
28950aadb33SDmitri Tikhonov    for (i = 0; (mod_str = strtok(i ? NULL : optarg, ",")); ++i) {
29050aadb33SDmitri Tikhonov        char *level_str = strchr(mod_str, '=');
29150aadb33SDmitri Tikhonov        if (!level_str) {
29250aadb33SDmitri Tikhonov            fprintf(stderr, "Invalid module specification `%s'\n", mod_str);
29350aadb33SDmitri Tikhonov            break;
29450aadb33SDmitri Tikhonov        }
29550aadb33SDmitri Tikhonov        *level_str = '\0';
29650aadb33SDmitri Tikhonov        ++level_str;
29750aadb33SDmitri Tikhonov        enum lsquic_logger_module mod = lsquic_str_to_logger_module(mod_str);
29850aadb33SDmitri Tikhonov        if (-1 == (int) mod) {
29950aadb33SDmitri Tikhonov            fprintf(stderr, "`%s' is not a valid module name\n", mod_str);
30050aadb33SDmitri Tikhonov            break;
30150aadb33SDmitri Tikhonov        }
30250aadb33SDmitri Tikhonov        enum lsq_log_level level = lsquic_str_to_log_level(level_str);
30350aadb33SDmitri Tikhonov        if (-1 == (int) level) {
30450aadb33SDmitri Tikhonov            fprintf(stderr, "`%s' is not a valid level\n", level_str);
30550aadb33SDmitri Tikhonov            break;
30650aadb33SDmitri Tikhonov        }
30750aadb33SDmitri Tikhonov        lsq_log_levels[mod] = level;
30850aadb33SDmitri Tikhonov        LSQ_INFO("set %s to %s", mod_str, level_str);
30950aadb33SDmitri Tikhonov    }
31050aadb33SDmitri Tikhonov    free(optarg);
31150aadb33SDmitri Tikhonov    return mod_str == NULL ? 0 : -1;
31250aadb33SDmitri Tikhonov}
31350aadb33SDmitri Tikhonov
31450aadb33SDmitri Tikhonov
31550aadb33SDmitri Tikhonovint
31650aadb33SDmitri Tikhonovlsquic_set_log_level (const char *level_str)
31750aadb33SDmitri Tikhonov{
31850aadb33SDmitri Tikhonov    enum lsq_log_level level;
31950aadb33SDmitri Tikhonov    unsigned i;
32050aadb33SDmitri Tikhonov
32150aadb33SDmitri Tikhonov    level = lsquic_str_to_log_level(level_str);
32250aadb33SDmitri Tikhonov    if ((int) level >= 0)
32350aadb33SDmitri Tikhonov    {
32450aadb33SDmitri Tikhonov        for (i = 0; i < sizeof(lsq_log_levels) / sizeof(lsq_log_levels[0]); ++i)
32550aadb33SDmitri Tikhonov            lsq_log_levels[i] = level;
32650aadb33SDmitri Tikhonov        return 0;
32750aadb33SDmitri Tikhonov    }
32850aadb33SDmitri Tikhonov    else
32950aadb33SDmitri Tikhonov        return -1;
33050aadb33SDmitri Tikhonov}
33150aadb33SDmitri Tikhonov
33250aadb33SDmitri Tikhonov
333