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127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*****************************************************************************
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# #
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# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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#pragma once
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <time.h>
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#include <assert.h>
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#include <pthread.h>
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include "tools.h"
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unsigned log_level;
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pthread_mutex_t log_mutex;
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#define LOG_LEVEL_INFO 0
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#define LOG_LEVEL_PERF 1
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#define LOG_LEVEL_VERBOSE 2
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#define LOG_LEVEL_DEBUG 3
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#define LOGGING_INIT assert(!pthread_mutex_init(&log_mutex, NULL))
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#define LOGGING_DESTROY assert(!pthread_mutex_destroy(&log_mutex))
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#define LOGGING_LOCK assert(!pthread_mutex_lock(&log_mutex))
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#define LOGGING_UNLOCK assert(!pthread_mutex_unlock(&log_mutex))
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#define SEP_INFO(_ch) { \
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LOGGING_LOCK; \
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for (int _i = 0; _i < 80; ++_i) { \
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putchar(_ch); \
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} \
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putchar('\n'); \
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fflush(stdout); \
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LOGGING_UNLOCK; \
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}
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#define SEP_DEBUG(_ch) { \
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if (log_level >= LOG_LEVEL_DEBUG) { \
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SEP_INFO(_ch); \
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} \
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}
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#define LOG_PRINTF_NOLOCK(_label, _msg, ...) { \
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printf("-- " _label " [%.03Lf tid=%ld] -- " _msg "\n", get_now_monotonic(), syscall(SYS_gettid), ##__VA_ARGS__); \
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fflush(stdout); \
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}
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#define LOG_ERROR(_msg, ...) { \
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LOGGING_LOCK; \
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LOG_PRINTF_NOLOCK("ERROR", _msg, ##__VA_ARGS__); \
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LOGGING_UNLOCK; \
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}
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#define LOG_PERROR(_msg, ...) { \
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char _buf[1024] = ""; \
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char *_ptr = strerror_r(errno, _buf, 1024); \
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LOGGING_LOCK; \
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printf("-- ERROR [%.03Lf tid=%ld] -- " _msg ": %s\n", get_now_monotonic(), syscall(SYS_gettid), ##__VA_ARGS__, _ptr); \
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fflush(stdout); \
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LOGGING_UNLOCK; \
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}
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#define LOG_INFO(_msg, ...) { \
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LOGGING_LOCK; \
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LOG_PRINTF_NOLOCK("INFO ", _msg, ##__VA_ARGS__); \
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LOGGING_UNLOCK; \
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}
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#define LOG_INFO_NOLOCK(_msg, ...) { \
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LOG_PRINTF_NOLOCK("INFO ", _msg, ##__VA_ARGS__); \
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}
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#define LOG_PERF(_msg, ...) { \
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if (log_level >= LOG_LEVEL_PERF) { \
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LOGGING_LOCK; \
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LOG_PRINTF_NOLOCK("PERF ", _msg, ##__VA_ARGS__); \
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LOGGING_UNLOCK; \
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} \
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}
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#define LOG_VERBOSE(_msg, ...) { \
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if (log_level >= LOG_LEVEL_VERBOSE) { \
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LOGGING_LOCK; \
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LOG_PRINTF_NOLOCK("VERB ", _msg, ##__VA_ARGS__); \
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LOGGING_UNLOCK; \
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} \
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}
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#define LOG_DEBUG(_msg, ...) { \
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if (log_level >= LOG_LEVEL_DEBUG) { \
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LOGGING_LOCK; \
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LOG_PRINTF_NOLOCK("DEBUG", _msg, ##__VA_ARGS__); \
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LOGGING_UNLOCK; \
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} \
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}
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