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96 lines
3.2 KiB
C
96 lines
3.2 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) 2018-2021 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 <stdbool.h>
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#include <stdatomic.h>
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#include <sys/types.h>
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#include <pthread.h>
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#include "../libs/tools.h"
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#include "../libs/threading.h"
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#include "../libs/logging.h"
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typedef struct worker_sx {
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pthread_t tid;
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unsigned number;
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char *name;
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long double last_job_time;
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pthread_mutex_t has_job_mutex;
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void *job;
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atomic_bool has_job;
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bool job_timely;
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bool job_failed;
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long double job_start_ts;
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pthread_cond_t has_job_cond;
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struct worker_sx *prev_wr;
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struct worker_sx *next_wr;
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struct workers_pool_sx *pool;
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} worker_s;
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typedef void *(*workers_pool_job_init_f)(void *arg);
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typedef void (*workers_pool_job_destroy_f)(void *job);
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typedef bool (*workers_pool_run_job_f)(worker_s *wr);
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typedef struct workers_pool_sx {
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const char *name;
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long double desired_interval;
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workers_pool_job_destroy_f job_destroy;
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workers_pool_run_job_f run_job;
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unsigned n_workers;
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worker_s *workers;
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worker_s *oldest_wr;
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worker_s *latest_wr;
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long double approx_job_time;
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pthread_mutex_t free_workers_mutex;
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unsigned free_workers;
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pthread_cond_t free_workers_cond;
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atomic_bool stop;
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} workers_pool_s;
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workers_pool_s *workers_pool_init(
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const char *name, const char *wr_prefix, unsigned n_workers, long double desired_interval,
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workers_pool_job_init_f job_init, void *job_init_arg,
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workers_pool_job_destroy_f job_destroy,
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workers_pool_run_job_f run_job);
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void workers_pool_destroy(workers_pool_s *pool);
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worker_s *workers_pool_wait(workers_pool_s *pool);
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void workers_pool_assign(workers_pool_s *pool, worker_s *ready_wr/*, void *job*/);
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long double workers_pool_get_fluency_delay(workers_pool_s *pool, worker_s *ready_wr);
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