Files
ustreamer/src/ustreamer/workers.h
Devaev Maxim 1f186a0afe refactoring
2021-03-30 10:11:14 +03:00

96 lines
3.2 KiB
C

/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018-2021 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 <stdbool.h>
#include <stdatomic.h>
#include <sys/types.h>
#include <pthread.h>
#include "../libs/tools.h"
#include "../libs/threading.h"
#include "../libs/logging.h"
typedef struct worker_sx {
pthread_t tid;
unsigned number;
char *name;
long double last_job_time;
pthread_mutex_t has_job_mutex;
void *job;
atomic_bool has_job;
bool job_timely;
bool job_failed;
long double job_start_ts;
pthread_cond_t has_job_cond;
struct worker_sx *prev_wr;
struct worker_sx *next_wr;
struct workers_pool_sx *pool;
} worker_s;
typedef void *(*workers_pool_job_init_f)(void *arg);
typedef void (*workers_pool_job_destroy_f)(void *job);
typedef bool (*workers_pool_run_job_f)(worker_s *wr);
typedef struct workers_pool_sx {
const char *name;
long double desired_interval;
workers_pool_job_destroy_f job_destroy;
workers_pool_run_job_f run_job;
unsigned n_workers;
worker_s *workers;
worker_s *oldest_wr;
worker_s *latest_wr;
long double approx_job_time;
pthread_mutex_t free_workers_mutex;
unsigned free_workers;
pthread_cond_t free_workers_cond;
atomic_bool stop;
} workers_pool_s;
workers_pool_s *workers_pool_init(
const char *name, const char *wr_prefix, unsigned n_workers, long double desired_interval,
workers_pool_job_init_f job_init, void *job_init_arg,
workers_pool_job_destroy_f job_destroy,
workers_pool_run_job_f run_job);
void workers_pool_destroy(workers_pool_s *pool);
worker_s *workers_pool_wait(workers_pool_s *pool);
void workers_pool_assign(workers_pool_s *pool, worker_s *ready_wr/*, void *job*/);
long double workers_pool_get_fluency_delay(workers_pool_s *pool, worker_s *ready_wr);