lsquic_logger.c revision 3b55e6ae
110c492f0SDmitri Tikhonov/* Copyright (c) 2017 - 2018 LiteSpeed Technologies Inc.  See LICENSE. */
250aadb33SDmitri Tikhonov/*
350aadb33SDmitri Tikhonov * LSQUIC Logger implementation.
450aadb33SDmitri Tikhonov */
550aadb33SDmitri Tikhonov
6560db45bSDmitri Tikhonov#include <assert.h>
750aadb33SDmitri Tikhonov#include <errno.h>
850aadb33SDmitri Tikhonov#include <inttypes.h>
950aadb33SDmitri Tikhonov#include <stdarg.h>
1050aadb33SDmitri Tikhonov#include <stdio.h>
1150aadb33SDmitri Tikhonov#include <stdlib.h>
1250aadb33SDmitri Tikhonov#include <string.h>
13461e84d8SAmol Deshpande#ifndef WIN32
1450aadb33SDmitri Tikhonov#include <sys/time.h>
15461e84d8SAmol Deshpande#endif
1650aadb33SDmitri Tikhonov#include <time.h>
1750aadb33SDmitri Tikhonov
1850aadb33SDmitri Tikhonov#define LSQUIC_LOGGER_MODULE LSQLM_LOGGER /* Quis custodiet ipsos custodes? */
1950aadb33SDmitri Tikhonov#include "lsquic_logger.h"
2050aadb33SDmitri Tikhonov#include "lsquic.h"
2150aadb33SDmitri Tikhonov
2250aadb33SDmitri Tikhonovstatic enum lsquic_logger_timestamp_style g_llts = LLTS_NONE;
2350aadb33SDmitri Tikhonov
2450aadb33SDmitri Tikhonovstatic int
2550aadb33SDmitri Tikhonovnull_vprintf (void *ctx, const char *fmt, va_list ap)
2650aadb33SDmitri Tikhonov{
2750aadb33SDmitri Tikhonov    return 0;
2850aadb33SDmitri Tikhonov}
2950aadb33SDmitri Tikhonov
3050aadb33SDmitri Tikhonov
3150aadb33SDmitri Tikhonovstatic int
3250aadb33SDmitri Tikhonovfile_vprintf (void *ctx, const char *fmt, va_list ap)
3350aadb33SDmitri Tikhonov{
3450aadb33SDmitri Tikhonov    return vfprintf((FILE *) ctx, fmt, ap);
3550aadb33SDmitri Tikhonov}
3650aadb33SDmitri Tikhonov
3750aadb33SDmitri Tikhonov
3850aadb33SDmitri Tikhonovstatic const struct lsquic_logger_if file_logger_if = {
3950aadb33SDmitri Tikhonov    .vprintf    = file_vprintf,
4050aadb33SDmitri Tikhonov};
4150aadb33SDmitri Tikhonov
4250aadb33SDmitri Tikhonovstatic const struct lsquic_logger_if null_logger_if = {
4350aadb33SDmitri Tikhonov    .vprintf    = null_vprintf,
4450aadb33SDmitri Tikhonov};
4550aadb33SDmitri Tikhonov
4650aadb33SDmitri Tikhonovstatic void *logger_ctx = NULL;
4750aadb33SDmitri Tikhonovstatic const struct lsquic_logger_if *logger_if = &null_logger_if;
4850aadb33SDmitri Tikhonov
4950aadb33SDmitri Tikhonovenum lsq_log_level lsq_log_levels[N_LSQUIC_LOGGER_MODULES] = {
5050aadb33SDmitri Tikhonov    [LSQLM_NOMODULE]    = LSQ_LOG_WARN,
5150aadb33SDmitri Tikhonov    [LSQLM_LOGGER]      = LSQ_LOG_WARN,
5250aadb33SDmitri Tikhonov    [LSQLM_EVENT]       = LSQ_LOG_WARN,
5350aadb33SDmitri Tikhonov    [LSQLM_ENGINE]      = LSQ_LOG_WARN,
5450aadb33SDmitri Tikhonov    [LSQLM_CONN]        = LSQ_LOG_WARN,
5550aadb33SDmitri Tikhonov    [LSQLM_RECHIST]     = LSQ_LOG_WARN,
5650aadb33SDmitri Tikhonov    [LSQLM_STREAM]      = LSQ_LOG_WARN,
5750aadb33SDmitri Tikhonov    [LSQLM_PARSE]       = LSQ_LOG_WARN,
5850aadb33SDmitri Tikhonov    [LSQLM_CFCW]        = LSQ_LOG_WARN,
5950aadb33SDmitri Tikhonov    [LSQLM_SFCW]        = LSQ_LOG_WARN,
6050aadb33SDmitri Tikhonov    [LSQLM_SENDCTL]     = LSQ_LOG_WARN,
6150aadb33SDmitri Tikhonov    [LSQLM_ALARMSET]    = LSQ_LOG_WARN,
6250aadb33SDmitri Tikhonov    [LSQLM_CRYPTO]      = LSQ_LOG_WARN,
6350aadb33SDmitri Tikhonov    [LSQLM_HANDSHAKE]   = LSQ_LOG_WARN,
6450aadb33SDmitri Tikhonov    [LSQLM_HSK_ADAPTER] = LSQ_LOG_WARN,
6550aadb33SDmitri Tikhonov    [LSQLM_CUBIC]       = LSQ_LOG_WARN,
6650aadb33SDmitri Tikhonov    [LSQLM_HEADERS]     = LSQ_LOG_WARN,
6750aadb33SDmitri Tikhonov    [LSQLM_FRAME_READER]= LSQ_LOG_WARN,
6850aadb33SDmitri Tikhonov    [LSQLM_FRAME_WRITER]= LSQ_LOG_WARN,
6950aadb33SDmitri Tikhonov    [LSQLM_CONN_HASH]   = LSQ_LOG_WARN,
7050aadb33SDmitri Tikhonov    [LSQLM_ENG_HIST]    = LSQ_LOG_WARN,
7150aadb33SDmitri Tikhonov    [LSQLM_SPI]         = LSQ_LOG_WARN,
7250aadb33SDmitri Tikhonov    [LSQLM_DI]          = LSQ_LOG_WARN,
7350aadb33SDmitri Tikhonov    [LSQLM_PACER]       = LSQ_LOG_WARN,
74e8bd737dSDmitri Tikhonov    [LSQLM_MIN_HEAP]    = LSQ_LOG_WARN,
753b55e6aeSDmitri Tikhonov    [LSQLM_HTTP1X]      = LSQ_LOG_WARN,
7650aadb33SDmitri Tikhonov};
7750aadb33SDmitri Tikhonov
7850aadb33SDmitri Tikhonovconst char *const lsqlm_to_str[N_LSQUIC_LOGGER_MODULES] = {
7950aadb33SDmitri Tikhonov    [LSQLM_NOMODULE]    = "",
8050aadb33SDmitri Tikhonov    [LSQLM_LOGGER]      = "logger",
8150aadb33SDmitri Tikhonov    [LSQLM_EVENT]       = "event",
8250aadb33SDmitri Tikhonov    [LSQLM_ENGINE]      = "engine",
8350aadb33SDmitri Tikhonov    [LSQLM_CONN]        = "conn",
8450aadb33SDmitri Tikhonov    [LSQLM_RECHIST]     = "rechist",
8550aadb33SDmitri Tikhonov    [LSQLM_STREAM]      = "stream",
8650aadb33SDmitri Tikhonov    [LSQLM_PARSE]       = "parse",
8750aadb33SDmitri Tikhonov    [LSQLM_CFCW]        = "cfcw",
8850aadb33SDmitri Tikhonov    [LSQLM_SFCW]        = "sfcw",
8950aadb33SDmitri Tikhonov    [LSQLM_SENDCTL]     = "sendctl",
9050aadb33SDmitri Tikhonov    [LSQLM_ALARMSET]    = "alarmset",
9150aadb33SDmitri Tikhonov    [LSQLM_CRYPTO]      = "crypto",
9250aadb33SDmitri Tikhonov    [LSQLM_HANDSHAKE]   = "handshake",
9350aadb33SDmitri Tikhonov    [LSQLM_HSK_ADAPTER] = "hsk-adapter",
9450aadb33SDmitri Tikhonov    [LSQLM_CUBIC]       = "cubic",
9550aadb33SDmitri Tikhonov    [LSQLM_HEADERS]     = "headers",
9650aadb33SDmitri Tikhonov    [LSQLM_FRAME_READER]= "frame-reader",
9750aadb33SDmitri Tikhonov    [LSQLM_FRAME_WRITER]= "frame-writer",
9850aadb33SDmitri Tikhonov    [LSQLM_CONN_HASH]   = "conn-hash",
9950aadb33SDmitri Tikhonov    [LSQLM_ENG_HIST]    = "eng-hist",
10050aadb33SDmitri Tikhonov    [LSQLM_SPI]         = "spi",
10150aadb33SDmitri Tikhonov    [LSQLM_DI]          = "di",
10250aadb33SDmitri Tikhonov    [LSQLM_PACER]       = "pacer",
103e8bd737dSDmitri Tikhonov    [LSQLM_MIN_HEAP]    = "min-heap",
1043b55e6aeSDmitri Tikhonov    [LSQLM_HTTP1X]      = "http1x",
10550aadb33SDmitri Tikhonov};
10650aadb33SDmitri Tikhonov
10750aadb33SDmitri Tikhonovconst char *const lsq_loglevel2str[N_LSQUIC_LOG_LEVELS] = {
10850aadb33SDmitri Tikhonov    [LSQ_LOG_ALERT]   =  "ALERT",
10950aadb33SDmitri Tikhonov    [LSQ_LOG_CRIT]    =  "CRIT",
11050aadb33SDmitri Tikhonov    [LSQ_LOG_DEBUG]   =  "DEBUG",
11150aadb33SDmitri Tikhonov    [LSQ_LOG_EMERG]   =  "EMERG",
11250aadb33SDmitri Tikhonov    [LSQ_LOG_ERROR]   =  "ERROR",
11350aadb33SDmitri Tikhonov    [LSQ_LOG_INFO]    =  "INFO",
11450aadb33SDmitri Tikhonov    [LSQ_LOG_NOTICE]  =  "NOTICE",
11550aadb33SDmitri Tikhonov    [LSQ_LOG_WARN]    =  "WARN",
11650aadb33SDmitri Tikhonov};
11750aadb33SDmitri Tikhonov
11850aadb33SDmitri Tikhonov
11950aadb33SDmitri Tikhonovstatic void
12050aadb33SDmitri Tikhonovlsquic_printf (const char *fmt, ...)
12150aadb33SDmitri Tikhonov{
12250aadb33SDmitri Tikhonov    va_list ap;
12350aadb33SDmitri Tikhonov    va_start(ap, fmt);
12450aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
12550aadb33SDmitri Tikhonov    va_end(ap);
12650aadb33SDmitri Tikhonov}
12750aadb33SDmitri Tikhonov
12850aadb33SDmitri Tikhonov
129b93f59beSBob Perper#ifdef WIN32
130560db45bSDmitri Tikhonov#define DELTA_EPOCH_IN_TICKS  116444736000000000Ui64
131b93f59beSBob Perperstruct timezone
132b93f59beSBob Perper{
133ab5c8df2SBob Perper    time_t tz_minuteswest;         /* minutes W of Greenwich */
134ab5c8df2SBob Perper    time_t tz_dsttime;             /* type of dst correction */
135b93f59beSBob Perper};
136b93f59beSBob Perper
137b93f59beSBob Perperstatic int
138b93f59beSBob Perpergettimeofday (struct timeval *tv, struct timezone *tz)
139b93f59beSBob Perper{
140b93f59beSBob Perper    FILETIME ft;
141560db45bSDmitri Tikhonov    uint64_t tmpres;
142b93f59beSBob Perper    static int tzflag;
143b93f59beSBob Perper
144b93f59beSBob Perper    if (NULL != tv)
145b93f59beSBob Perper    {
146b93f59beSBob Perper        GetSystemTimeAsFileTime(&ft);
147b93f59beSBob Perper
148560db45bSDmitri Tikhonov        tmpres = ((uint64_t) ft.dwHighDateTime << 32)
149560db45bSDmitri Tikhonov               | (ft.dwLowDateTime);
150b93f59beSBob Perper
151560db45bSDmitri Tikhonov        tmpres -= DELTA_EPOCH_IN_TICKS;
152560db45bSDmitri Tikhonov        tv->tv_sec = tmpres / 10000000;
153560db45bSDmitri Tikhonov        tv->tv_usec = tmpres % 1000000;
154b93f59beSBob Perper    }
155b93f59beSBob Perper
156b93f59beSBob Perper    if (NULL != tz)
157b93f59beSBob Perper    {
158b93f59beSBob Perper        if (!tzflag)
159b93f59beSBob Perper        {
160b93f59beSBob Perper            _tzset();
161b93f59beSBob Perper            tzflag++;
162b93f59beSBob Perper        }
163b93f59beSBob Perper        tz->tz_minuteswest = _timezone / 60;
164b93f59beSBob Perper        tz->tz_dsttime = _daylight;
165b93f59beSBob Perper    }
166b93f59beSBob Perper
167b93f59beSBob Perper    return 0;
168b93f59beSBob Perper}
169b93f59beSBob Perper
170b93f59beSBob Perper
171b93f59beSBob Perper#endif
172b93f59beSBob Perper
173b93f59beSBob Perper
17450aadb33SDmitri Tikhonovstatic void
17550aadb33SDmitri Tikhonovprint_timestamp (void)
17650aadb33SDmitri Tikhonov{
17750aadb33SDmitri Tikhonov    struct tm tm;
17850aadb33SDmitri Tikhonov    struct timeval tv;
17950aadb33SDmitri Tikhonov    gettimeofday(&tv, NULL);
180ab5c8df2SBob Perper#ifdef WIN32
181ab5c8df2SBob Perper    {
1827b1586ddSDmitri Tikhonov        time_t t = tv.tv_sec;
183560db45bSDmitri Tikhonov#ifndef NDEBUG
1847b1586ddSDmitri Tikhonov        errno_t e =
185560db45bSDmitri Tikhonov#endif
1867b1586ddSDmitri Tikhonov	localtime_s(&tm, &t);
187560db45bSDmitri Tikhonov	assert(!e);
188ab5c8df2SBob Perper    }
189ab5c8df2SBob Perper#else
19050aadb33SDmitri Tikhonov    localtime_r(&tv.tv_sec, &tm);
191ab5c8df2SBob Perper#endif
192bfc7bfd8SDmitri Tikhonov    if (g_llts == LLTS_YYYYMMDD_HHMMSSUS)
193bfc7bfd8SDmitri Tikhonov        lsquic_printf("%04d-%02d-%02d %02d:%02d:%02d.%06d ",
194bfc7bfd8SDmitri Tikhonov            tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
195bfc7bfd8SDmitri Tikhonov            tm.tm_hour, tm.tm_min, tm.tm_sec, (int) (tv.tv_usec));
196bfc7bfd8SDmitri Tikhonov    else if (g_llts == LLTS_YYYYMMDD_HHMMSSMS)
19750aadb33SDmitri Tikhonov        lsquic_printf("%04d-%02d-%02d %02d:%02d:%02d.%03d ",
19850aadb33SDmitri Tikhonov            tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
19950aadb33SDmitri Tikhonov            tm.tm_hour, tm.tm_min, tm.tm_sec, (int) (tv.tv_usec / 1000));
20050aadb33SDmitri Tikhonov    else if (g_llts == LLTS_HHMMSSMS)
20150aadb33SDmitri Tikhonov        lsquic_printf("%02d:%02d:%02d.%03d ", tm.tm_hour, tm.tm_min,
20250aadb33SDmitri Tikhonov                                    tm.tm_sec, (int) (tv.tv_usec / 1000));
20350aadb33SDmitri Tikhonov    else if (g_llts == LLTS_HHMMSSUS)
20450aadb33SDmitri Tikhonov        lsquic_printf("%02d:%02d:%02d.%06d ", tm.tm_hour, tm.tm_min,
20550aadb33SDmitri Tikhonov                                    tm.tm_sec, (int) tv.tv_usec);
20650aadb33SDmitri Tikhonov    else if (g_llts == LLTS_CHROMELIKE)
20750aadb33SDmitri Tikhonov        lsquic_printf("%02d%02d/%02d%02d%02d.%06d ", tm.tm_mon + 1,
20850aadb33SDmitri Tikhonov            tm.tm_mday,tm.tm_hour, tm.tm_min, tm.tm_sec, (int) tv.tv_usec);
20950aadb33SDmitri Tikhonov}
21050aadb33SDmitri Tikhonov
21150aadb33SDmitri Tikhonov
21250aadb33SDmitri Tikhonovvoid
21350aadb33SDmitri Tikhonovlsquic_logger_log3 (enum lsq_log_level log_level,
21450aadb33SDmitri Tikhonov                    enum lsquic_logger_module module,
21550aadb33SDmitri Tikhonov                    uint64_t conn_id, uint32_t stream_id, const char *fmt, ...)
21650aadb33SDmitri Tikhonov{
21750aadb33SDmitri Tikhonov    const int saved_errno = errno;
21850aadb33SDmitri Tikhonov
21950aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
22050aadb33SDmitri Tikhonov        print_timestamp();
22150aadb33SDmitri Tikhonov
22250aadb33SDmitri Tikhonov    lsquic_printf("[%s] [QUIC:%"PRIu64"-%"PRIu32"] %s: ",
22350aadb33SDmitri Tikhonov        lsq_loglevel2str[log_level], conn_id, stream_id, lsqlm_to_str[module]);
22450aadb33SDmitri Tikhonov    va_list ap;
22550aadb33SDmitri Tikhonov    va_start(ap, fmt);
22650aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
22750aadb33SDmitri Tikhonov    va_end(ap);
22850aadb33SDmitri Tikhonov    lsquic_printf("\n");
22950aadb33SDmitri Tikhonov    errno = saved_errno;
23050aadb33SDmitri Tikhonov}
23150aadb33SDmitri Tikhonov
23250aadb33SDmitri Tikhonov
23350aadb33SDmitri Tikhonovvoid
23450aadb33SDmitri Tikhonovlsquic_logger_log2 (enum lsq_log_level log_level,
23550aadb33SDmitri Tikhonov                    enum lsquic_logger_module module,
23650aadb33SDmitri Tikhonov                    uint64_t conn_id, const char *fmt, ...)
23750aadb33SDmitri Tikhonov{
23850aadb33SDmitri Tikhonov    const int saved_errno = errno;
23950aadb33SDmitri Tikhonov
24050aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
24150aadb33SDmitri Tikhonov        print_timestamp();
24250aadb33SDmitri Tikhonov
24350aadb33SDmitri Tikhonov    lsquic_printf("[%s] [QUIC:%"PRIu64"] %s: ",
24450aadb33SDmitri Tikhonov        lsq_loglevel2str[log_level], conn_id, lsqlm_to_str[module]);
24550aadb33SDmitri Tikhonov    va_list ap;
24650aadb33SDmitri Tikhonov    va_start(ap, fmt);
24750aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
24850aadb33SDmitri Tikhonov    va_end(ap);
24950aadb33SDmitri Tikhonov    lsquic_printf("\n");
25050aadb33SDmitri Tikhonov    errno = saved_errno;
25150aadb33SDmitri Tikhonov}
25250aadb33SDmitri Tikhonov
25350aadb33SDmitri Tikhonov
25450aadb33SDmitri Tikhonovvoid
25550aadb33SDmitri Tikhonovlsquic_logger_log1 (enum lsq_log_level log_level,
25650aadb33SDmitri Tikhonov                    enum lsquic_logger_module module,
25750aadb33SDmitri Tikhonov                    const char *fmt, ...)
25850aadb33SDmitri Tikhonov{
25950aadb33SDmitri Tikhonov    const int saved_errno = errno;
26050aadb33SDmitri Tikhonov
26150aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
26250aadb33SDmitri Tikhonov        print_timestamp();
26350aadb33SDmitri Tikhonov
26450aadb33SDmitri Tikhonov    lsquic_printf("[%s] %s: ", lsq_loglevel2str[log_level],
26550aadb33SDmitri Tikhonov                                                lsqlm_to_str[module]);
26650aadb33SDmitri Tikhonov    va_list ap;
26750aadb33SDmitri Tikhonov    va_start(ap, fmt);
26850aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
26950aadb33SDmitri Tikhonov    va_end(ap);
27050aadb33SDmitri Tikhonov    lsquic_printf("\n");
27150aadb33SDmitri Tikhonov    errno = saved_errno;
27250aadb33SDmitri Tikhonov}
27350aadb33SDmitri Tikhonov
27450aadb33SDmitri Tikhonov
27550aadb33SDmitri Tikhonovvoid
27650aadb33SDmitri Tikhonovlsquic_logger_log0 (enum lsq_log_level log_level, const char *fmt, ...)
27750aadb33SDmitri Tikhonov{
27850aadb33SDmitri Tikhonov    const int saved_errno = errno;
27950aadb33SDmitri Tikhonov
28050aadb33SDmitri Tikhonov    if (g_llts != LLTS_NONE)
28150aadb33SDmitri Tikhonov        print_timestamp();
28250aadb33SDmitri Tikhonov
28350aadb33SDmitri Tikhonov    lsquic_printf("[%s] ", lsq_loglevel2str[log_level]);
28450aadb33SDmitri Tikhonov    va_list ap;
28550aadb33SDmitri Tikhonov    va_start(ap, fmt);
28650aadb33SDmitri Tikhonov    logger_if->vprintf(logger_ctx, fmt, ap);
28750aadb33SDmitri Tikhonov    va_end(ap);
28850aadb33SDmitri Tikhonov    lsquic_printf("\n");
28950aadb33SDmitri Tikhonov    errno = saved_errno;
29050aadb33SDmitri Tikhonov}
29150aadb33SDmitri Tikhonov
29250aadb33SDmitri Tikhonov
29350aadb33SDmitri Tikhonovvoid
29450aadb33SDmitri Tikhonovlsquic_logger_init (const struct lsquic_logger_if *lif, void *lctx,
29550aadb33SDmitri Tikhonov                    unsigned llts)
29650aadb33SDmitri Tikhonov{
29750aadb33SDmitri Tikhonov    logger_if  = lif;
29850aadb33SDmitri Tikhonov    logger_ctx = lctx;
29950aadb33SDmitri Tikhonov    if (llts < N_LLTS)
30050aadb33SDmitri Tikhonov        g_llts = llts;
30150aadb33SDmitri Tikhonov    LSQ_DEBUG("%s called", __func__);
30250aadb33SDmitri Tikhonov}
30350aadb33SDmitri Tikhonov
30450aadb33SDmitri Tikhonov
30550aadb33SDmitri Tikhonovenum lsquic_logger_module
30650aadb33SDmitri Tikhonovlsquic_str_to_logger_module (const char *str)
30750aadb33SDmitri Tikhonov{
30850aadb33SDmitri Tikhonov    enum lsquic_logger_module i;
30950aadb33SDmitri Tikhonov    for (i = 0; i < sizeof(lsqlm_to_str) / sizeof(lsqlm_to_str[0]); ++i)
31050aadb33SDmitri Tikhonov        if (0 == strcasecmp(lsqlm_to_str[i], str))
31150aadb33SDmitri Tikhonov            return i;
31250aadb33SDmitri Tikhonov    return -1;
31350aadb33SDmitri Tikhonov}
31450aadb33SDmitri Tikhonov
31550aadb33SDmitri Tikhonov
31650aadb33SDmitri Tikhonovenum lsq_log_level
31750aadb33SDmitri Tikhonovlsquic_str_to_log_level (const char *str)
31850aadb33SDmitri Tikhonov{
31950aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "emerg"))
32050aadb33SDmitri Tikhonov        return LSQ_LOG_EMERG;
32150aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "alert"))
32250aadb33SDmitri Tikhonov        return LSQ_LOG_ALERT;
32350aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "crit"))
32450aadb33SDmitri Tikhonov        return LSQ_LOG_CRIT;
32550aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "error"))
32650aadb33SDmitri Tikhonov        return LSQ_LOG_ERROR;
32750aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "warn"))
32850aadb33SDmitri Tikhonov        return LSQ_LOG_WARN;
32950aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "notice"))
33050aadb33SDmitri Tikhonov        return LSQ_LOG_NOTICE;
33150aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "info"))
33250aadb33SDmitri Tikhonov        return LSQ_LOG_INFO;
33350aadb33SDmitri Tikhonov    if (0 == strcasecmp(str, "debug"))
33450aadb33SDmitri Tikhonov        return LSQ_LOG_DEBUG;
33550aadb33SDmitri Tikhonov    return -1;
33650aadb33SDmitri Tikhonov}
33750aadb33SDmitri Tikhonov
33850aadb33SDmitri Tikhonov
33950aadb33SDmitri Tikhonovvoid
34050aadb33SDmitri Tikhonovlsquic_log_to_fstream (FILE *file, unsigned llts)
34150aadb33SDmitri Tikhonov{
34250aadb33SDmitri Tikhonov    lsquic_logger_init(&file_logger_if, file, llts);
34350aadb33SDmitri Tikhonov}
34450aadb33SDmitri Tikhonov
34550aadb33SDmitri Tikhonov
34650aadb33SDmitri Tikhonovint
34750aadb33SDmitri Tikhonovlsquic_logger_lopt (const char *optarg_orig)
34850aadb33SDmitri Tikhonov{
34950aadb33SDmitri Tikhonov    char *const optarg = strdup(optarg_orig);
35050aadb33SDmitri Tikhonov    char *mod_str;
35150aadb33SDmitri Tikhonov    int i;
35250aadb33SDmitri Tikhonov    for (i = 0; (mod_str = strtok(i ? NULL : optarg, ",")); ++i) {
35350aadb33SDmitri Tikhonov        char *level_str = strchr(mod_str, '=');
35450aadb33SDmitri Tikhonov        if (!level_str) {
35550aadb33SDmitri Tikhonov            fprintf(stderr, "Invalid module specification `%s'\n", mod_str);
35650aadb33SDmitri Tikhonov            break;
35750aadb33SDmitri Tikhonov        }
35850aadb33SDmitri Tikhonov        *level_str = '\0';
35950aadb33SDmitri Tikhonov        ++level_str;
36050aadb33SDmitri Tikhonov        enum lsquic_logger_module mod = lsquic_str_to_logger_module(mod_str);
36150aadb33SDmitri Tikhonov        if (-1 == (int) mod) {
36250aadb33SDmitri Tikhonov            fprintf(stderr, "`%s' is not a valid module name\n", mod_str);
36350aadb33SDmitri Tikhonov            break;
36450aadb33SDmitri Tikhonov        }
36550aadb33SDmitri Tikhonov        enum lsq_log_level level = lsquic_str_to_log_level(level_str);
36650aadb33SDmitri Tikhonov        if (-1 == (int) level) {
36750aadb33SDmitri Tikhonov            fprintf(stderr, "`%s' is not a valid level\n", level_str);
36850aadb33SDmitri Tikhonov            break;
36950aadb33SDmitri Tikhonov        }
37050aadb33SDmitri Tikhonov        lsq_log_levels[mod] = level;
37150aadb33SDmitri Tikhonov        LSQ_INFO("set %s to %s", mod_str, level_str);
37250aadb33SDmitri Tikhonov    }
37350aadb33SDmitri Tikhonov    free(optarg);
37450aadb33SDmitri Tikhonov    return mod_str == NULL ? 0 : -1;
37550aadb33SDmitri Tikhonov}
37650aadb33SDmitri Tikhonov
37750aadb33SDmitri Tikhonov
37850aadb33SDmitri Tikhonovint
37950aadb33SDmitri Tikhonovlsquic_set_log_level (const char *level_str)
38050aadb33SDmitri Tikhonov{
38150aadb33SDmitri Tikhonov    enum lsq_log_level level;
38250aadb33SDmitri Tikhonov    unsigned i;
38350aadb33SDmitri Tikhonov
38450aadb33SDmitri Tikhonov    level = lsquic_str_to_log_level(level_str);
38550aadb33SDmitri Tikhonov    if ((int) level >= 0)
38650aadb33SDmitri Tikhonov    {
38750aadb33SDmitri Tikhonov        for (i = 0; i < sizeof(lsq_log_levels) / sizeof(lsq_log_levels[0]); ++i)
38850aadb33SDmitri Tikhonov            lsq_log_levels[i] = level;
38950aadb33SDmitri Tikhonov        return 0;
39050aadb33SDmitri Tikhonov    }
39150aadb33SDmitri Tikhonov    else
39250aadb33SDmitri Tikhonov        return -1;
39350aadb33SDmitri Tikhonov}
394