codebase refactoring

This commit is contained in:
Devaev Maxim
2020-12-06 18:45:10 +03:00
parent b502714281
commit 720baf09b5
55 changed files with 59 additions and 54 deletions

27
src/common/config.h Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#ifndef VERSION
# define VERSION "2.2"
#endif

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src/common/logging.c Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#include <stdbool.h>
#include <pthread.h>
#include "logging.h"
enum log_level_t log_level;
bool log_colored;
pthread_mutex_t log_mutex;

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src/common/logging.h Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include <assert.h>
#include <pthread.h>
#include "tools.h"
#include "threading.h"
enum log_level_t {
LOG_LEVEL_INFO,
LOG_LEVEL_PERF,
LOG_LEVEL_VERBOSE,
LOG_LEVEL_DEBUG,
};
extern enum log_level_t log_level;
extern bool log_colored;
extern pthread_mutex_t log_mutex;
#define LOGGING_INIT { \
log_level = LOG_LEVEL_INFO; \
log_colored = isatty(1); \
A_MUTEX_INIT(&log_mutex); \
}
#define LOGGING_DESTROY A_MUTEX_DESTROY(&log_mutex)
#define LOGGING_LOCK A_MUTEX_LOCK(&log_mutex)
#define LOGGING_UNLOCK A_MUTEX_UNLOCK(&log_mutex)
#define COLOR_GRAY "\x1b[30;1m"
#define COLOR_RED "\x1b[31;1m"
#define COLOR_GREEN "\x1b[32;1m"
#define COLOR_YELLOW "\x1b[33;1m"
#define COLOR_BLUE "\x1b[34;1m"
#define COLOR_CYAN "\x1b[36;1m"
#define COLOR_RESET "\x1b[0m"
#define SEP_INFO(_ch) { \
LOGGING_LOCK; \
for (int _i = 0; _i < 80; ++_i) { \
putchar(_ch); \
} \
putchar('\n'); \
fflush(stdout); \
LOGGING_UNLOCK; \
}
#define SEP_DEBUG(_ch) { \
if (log_level >= LOG_LEVEL_DEBUG) { \
SEP_INFO(_ch); \
} \
}
#define LOG_PRINTF_NOLOCK(_label_color, _label, _msg_color, _msg, ...) { \
char _tname_buf[MAX_THREAD_NAME] = {0}; \
thread_get_name(_tname_buf); \
if (log_colored) { \
printf(COLOR_GRAY "-- " _label_color _label COLOR_GRAY " [%.03Lf %9s]" " -- " COLOR_RESET _msg_color _msg COLOR_RESET, \
get_now_monotonic(), _tname_buf, ##__VA_ARGS__); \
} else { \
printf("-- " _label " [%.03Lf %9s] -- " _msg, \
get_now_monotonic(), _tname_buf, ##__VA_ARGS__); \
} \
putchar('\n'); \
fflush(stdout); \
}
#define LOG_PRINTF(_label_color, _label, _msg_color, _msg, ...) { \
LOGGING_LOCK; \
LOG_PRINTF_NOLOCK(_label_color, _label, _msg_color, _msg, ##__VA_ARGS__); \
LOGGING_UNLOCK; \
}
#define LOG_ERROR(_msg, ...) { \
LOG_PRINTF(COLOR_RED, "ERROR", COLOR_RED, _msg, ##__VA_ARGS__); \
}
#define LOG_PERROR(_msg, ...) { \
char _perror_buf[1024] = {0}; \
char *_perror_ptr = errno_to_string(errno, _perror_buf, 1024); \
LOG_ERROR(_msg ": %s", ##__VA_ARGS__, _perror_ptr); \
}
#define LOG_INFO(_msg, ...) { \
LOG_PRINTF(COLOR_GREEN, "INFO ", "", _msg, ##__VA_ARGS__); \
}
#define LOG_INFO_NOLOCK(_msg, ...) { \
LOG_PRINTF_NOLOCK(COLOR_GREEN, "INFO ", "", _msg, ##__VA_ARGS__); \
}
#define LOG_PERF(_msg, ...) { \
if (log_level >= LOG_LEVEL_PERF) { \
LOG_PRINTF(COLOR_CYAN, "PERF ", COLOR_CYAN, _msg, ##__VA_ARGS__); \
} \
}
#define LOG_PERF_FPS(_msg, ...) { \
if (log_level >= LOG_LEVEL_PERF) { \
LOG_PRINTF(COLOR_YELLOW, "PERF ", COLOR_YELLOW, _msg, ##__VA_ARGS__); \
} \
}
#define LOG_VERBOSE(_msg, ...) { \
if (log_level >= LOG_LEVEL_VERBOSE) { \
LOG_PRINTF(COLOR_BLUE, "VERB ", COLOR_BLUE, _msg, ##__VA_ARGS__); \
} \
}
#define LOG_VERBOSE_PERROR(_msg, ...) { \
if (log_level >= LOG_LEVEL_VERBOSE) { \
char _perror_buf[1024] = {0}; \
char *_perror_ptr = errno_to_string(errno, _perror_buf, 1024); \
LOG_PRINTF(COLOR_BLUE, "VERB ", COLOR_BLUE, _msg ": %s", ##__VA_ARGS__, _perror_ptr); \
} \
}
#define LOG_DEBUG(_msg, ...) { \
if (log_level >= LOG_LEVEL_DEBUG) { \
LOG_PRINTF(COLOR_GRAY, "DEBUG", COLOR_GRAY, _msg, ##__VA_ARGS__); \
} \
}
INLINE char *errno_to_string(int error, char *buf, size_t size) {
# if defined(__GLIBC__) && defined(_GNU_SOURCE)
return strerror_r(error, buf, size);
# else
strerror_r(error, buf, size);
return buf;
# endif
}

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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#if defined(__linux__)
# define HAS_PDEATHSIG
#elif defined(__FreeBSD__)
# include <sys/param.h>
# if __FreeBSD_version >= 1102000
# define HAS_PDEATHSIG
# endif
#endif
#ifdef WITH_SETPROCTITLE
# include <stdlib.h>
# include <string.h>
# if defined(__linux__)
# include <bsd/unistd.h>
# elif (defined(__FreeBSD__) || defined(__DragonFly__))
//# include <unistd.h>
//# include <sys/types.h>
# elif (defined(__NetBSD__) || defined(__OpenBSD__)) // setproctitle() placed in stdlib.h
# else
# error setproctitle() not implemented, you can disable it using WITH_SETPROCTITLE=0
# endif
#endif
#ifdef HAS_PDEATHSIG
# if defined(__linux__)
# include <sys/prctl.h>
# elif defined(__FreeBSD__)
# include <sys/procctl.h>
# endif
#endif
#ifdef WITH_SETPROCTITLE
# include "tools.h"
#endif
#ifdef HAS_PDEATHSIG
# include "logging.h"
#endif
#ifdef WITH_SETPROCTITLE
extern char **environ;
#endif
#ifdef HAS_PDEATHSIG
INLINE int process_track_parent_death(void) {
pid_t parent = getppid();
int signum = SIGTERM;
# if defined(__linux__)
int retval = prctl(PR_SET_PDEATHSIG, signum);
# elif defined(__FreeBSD__)
int retval = procctl(P_PID, 0, PROC_PDEATHSIG_CTL, &signum);
# else
# error WTF?
# endif
if (retval < 0) {
LOG_PERROR("Can't set to receive SIGTERM on parent process death");
return -1;
}
if (kill(parent, 0) < 0) {
LOG_PERROR("The parent process %d is already dead", parent);
return -1;
}
return 0;
}
#endif
#ifdef WITH_SETPROCTITLE
# pragma GCC diagnostic ignored "-Wunused-parameter"
# pragma GCC diagnostic push
INLINE void process_set_name_prefix(int argc, char *argv[], const char *prefix) {
# pragma GCC diagnostic pop
char *cmdline = NULL;
size_t allocated = 2048;
size_t used = 0;
A_REALLOC(cmdline, allocated);
cmdline[0] = '\0';
for (int index = 0; index < argc; ++index) {
size_t arg_len = strlen(argv[index]);
if (used + arg_len + 16 >= allocated) {
allocated += arg_len + 2048;
A_REALLOC(cmdline, allocated); // cppcheck-suppress memleakOnRealloc // False-positive (ok with assert)
}
strcat(cmdline, " ");
strcat(cmdline, argv[index]);
used = strlen(cmdline); // Не считаем вручную, так надежнее
}
# ifdef __linux__
setproctitle_init(argc, argv, environ);
# endif
setproctitle("-%s:%s", prefix, cmdline);
free(cmdline);
}
#endif
INLINE void process_notify_parent(void) {
pid_t parent = getppid();
if (kill(parent, SIGUSR2) < 0) {
LOG_PERROR("Can't send SIGUSR2 to the parent process %d", parent);
}
}

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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <stdio.h>
#include <unistd.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <pthread.h>
#ifdef WITH_PTHREAD_NP
# if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
# include <pthread_np.h>
# include <sys/param.h>
# endif
#endif
#include "tools.h"
#ifdef PTHREAD_MAX_NAMELEN_NP
# define MAX_THREAD_NAME ((size_t)(PTHREAD_MAX_NAMELEN_NP))
#else
# define MAX_THREAD_NAME ((size_t)16)
#endif
#define A_THREAD_CREATE(_tid, _func, _arg) assert(!pthread_create(_tid, NULL, _func, _arg))
#define A_THREAD_JOIN(_tid) assert(!pthread_join(_tid, NULL))
#ifdef WITH_PTHREAD_NP
# define A_THREAD_RENAME(_fmt, ...) { \
char _new_tname_buf[MAX_THREAD_NAME] = {0}; \
assert(snprintf(_new_tname_buf, MAX_THREAD_NAME, _fmt, ##__VA_ARGS__) > 0); \
thread_set_name(_new_tname_buf); \
}
#else
# define A_THREAD_RENAME(_fmt, ...)
#endif
#define A_MUTEX_INIT(_mutex) assert(!pthread_mutex_init(_mutex, NULL))
#define A_MUTEX_DESTROY(_mutex) assert(!pthread_mutex_destroy(_mutex))
#define A_MUTEX_LOCK(_mutex) assert(!pthread_mutex_lock(_mutex))
#define A_MUTEX_UNLOCK(_mutex) assert(!pthread_mutex_unlock(_mutex))
#define A_COND_INIT(_cond) assert(!pthread_cond_init(_cond, NULL))
#define A_COND_DESTROY(_cond) assert(!pthread_cond_destroy(_cond))
#define A_COND_SIGNAL(...) assert(!pthread_cond_signal(__VA_ARGS__))
#define A_COND_WAIT_TRUE(_var, _cond, _mutex) { while(!_var) assert(!pthread_cond_wait(_cond, _mutex)); }
#ifdef WITH_PTHREAD_NP
INLINE void thread_set_name(const char *name) {
# if defined(__linux__)
pthread_setname_np(pthread_self(), name);
# elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
pthread_set_name_np(pthread_self(), name);
# elif defined(__NetBSD__)
pthread_setname_np(pthread_self(), "%s", (void *)name);
# else
# error thread_set_name() not implemented, you can disable it using WITH_PTHREAD_NP=0
# endif
}
#endif
INLINE void thread_get_name(char *name) { // Always required for logging
#ifdef WITH_PTHREAD_NP
int retval = -1;
# if defined(__linux__) || defined (__NetBSD__)
retval = pthread_getname_np(pthread_self(), name, MAX_THREAD_NAME);
# elif \
(defined(__FreeBSD__) && defined(__FreeBSD_version) && __FreeBSD_version >= 1103500) \
|| (defined(__OpenBSD__) && defined(OpenBSD) && OpenBSD >= 201905) \
|| defined(__DragonFly__)
pthread_get_name_np(pthread_self(), name, MAX_THREAD_NAME);
if (name[0] != '\0') {
retval = 0;
}
# else
# error thread_get_name() not implemented, you can disable it using WITH_PTHREAD_NP=0
# endif
if (retval < 0) {
#endif
#if defined(__linux__)
pid_t tid = syscall(SYS_gettid);
#elif defined(__FreeBSD__)
pid_t tid = syscall(SYS_thr_self);
#elif defined(__OpenBSD__)
pid_t tid = syscall(SYS_getthrid);
#elif defined(__NetBSD__)
pid_t tid = syscall(SYS__lwp_self);
#elif defined(__DragonFly__)
pid_t tid = syscall(SYS_lwp_gettid);
#else
pid_t tid = 0; // Makes cppcheck happy
# warning gettid() not implemented
#endif
assert(snprintf(name, MAX_THREAD_NAME, "tid=%d", tid) > 0);
#ifdef WITH_PTHREAD_NP
}
#endif
}

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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <errno.h>
#include <math.h>
#include <time.h>
#include <assert.h>
#define A_CALLOC(_dest, _nmemb) assert((_dest = calloc(_nmemb, sizeof(*(_dest)))))
#define A_REALLOC(_dest, _nmemb) assert((_dest = realloc(_dest, _nmemb * sizeof(*(_dest)))))
#define MEMSET_ZERO(_obj) memset(&(_obj), 0, sizeof(_obj))
#define ARRAY_LEN(_array) (sizeof(_array) / sizeof(_array[0]))
#define INLINE inline __attribute__((always_inline))
#define UNUSED __attribute__((unused))
INLINE char *bool_to_string(bool flag) {
return (flag ? "true" : "false");
}
INLINE size_t align_size(size_t size, size_t to) {
return ((size + (to - 1)) & ~(to - 1));
}
INLINE unsigned min_u(unsigned a, unsigned b) {
return (a < b ? a : b);
}
INLINE unsigned max_u(unsigned a, unsigned b) {
return (a > b ? a : b);
}
INLINE long long floor_ms(long double now) {
return (long long)now - (now < (long long)now); // floor()
}
INLINE void get_now(clockid_t clk_id, time_t *sec, long *msec) {
struct timespec spec;
assert(!clock_gettime(clk_id, &spec));
*sec = spec.tv_sec;
*msec = round(spec.tv_nsec / 1.0e6);
if (*msec > 999) {
*sec += 1;
*msec = 0;
}
}
INLINE long double get_now_monotonic(void) {
time_t sec;
long msec;
# if defined(CLOCK_MONOTONIC_RAW)
get_now(CLOCK_MONOTONIC_RAW, &sec, &msec);
# elif defined(CLOCK_MONOTONIC_FAST)
get_now(CLOCK_MONOTONIC_FAST, &sec, &msec);
# else
get_now(CLOCK_MONOTONIC, &sec, &msec);
# endif
return (long double)sec + ((long double)msec) / 1000;
}
INLINE long double get_now_real(void) {
time_t sec;
long msec;
get_now(CLOCK_REALTIME, &sec, &msec);
return (long double)sec + ((long double)msec) / 1000;
}