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https://git.rwth-aachen.de/acs/public/villas/node/
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2575688951
rtp receive handler writes data to mutex protected memory and indicates the amount of data written. main thread polls on the thread and gets the data respecting the mutex.
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/** Node type: rtp
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017-2018, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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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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* 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 <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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/**
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* @addtogroup rtp rtp node type
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* @ingroup node
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* @{
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*/
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#pragma once
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#include <pthread.h>
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#include <re/re_sa.h>
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#include <villas/node.h>
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#include <villas/list.h>
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#include <villas/io.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** The maximum length of a packet which contains stuct rtp. */
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#define RTP_INITIAL_BUFFER_LEN 1500
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/* Forward declarations */
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struct format_type;
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struct rtp {
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struct rtp_sock *rs; /**< RTP socket */
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struct sa local; /**< Local address of the socket */
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struct sa remote; /**< Remote address of the socket */
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struct format_type *format;
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struct io io;
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bool enable_rtcp;
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char *recv_buf;
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size_t recv_size;
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pthread_mutex_t recv_mutex;
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};
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/** @see node_type::print */
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char * rtp_print(struct node *n);
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/** @see node_type::parse */
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int rtp_parse(struct node *n, json_t *cfg);
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/** @see node_type::open */
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int rtp_start(struct node *n);
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/** @see node_type::close */
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int rtp_stop(struct node *n);
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/** @see node_type::read */
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int rtp_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *release);
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/** @see node_type::write */
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int rtp_write(struct node *n, struct sample *smps[], unsigned cnt, unsigned *release);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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