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VILLASnode/include/villas/nodes/zeromq.hpp

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/** Node type: ZeroMQ
*
* @file
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASnode
*
* 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
* 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 <http://www.gnu.org/licenses/>.
*********************************************************************************/
/**
* @addtogroup zeromq ZeroMQ node type
* @ingroup node
* @{
*/
#pragma once
#include <cstdint>
#include <jansson.h>
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#include <villas/list.h>
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#include <villas/io.h>
#if ZMQ_BUILD_DRAFT_API && (ZMQ_VERSION_MAJOR > 4 || (ZMQ_VERSION_MAJOR == 4 && ZMQ_VERSION_MINOR >= 2))
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#define ZMQ_BUILD_DISH 1
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#endif
/* Forward declarations */
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struct format_type;
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struct vnode;
struct sample;
struct zeromq {
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int ipv6;
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struct format_type *format;
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struct io io;
struct Curve {
int enabled;
struct {
char public_key[41];
char secret_key[41];
} server, client;
} curve;
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enum class Pattern {
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PUBSUB,
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#ifdef ZMQ_BUILD_DISH
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RADIODISH
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#endif
} pattern;
struct Dir {
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void *socket; /**< ZeroMQ socket. */
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void *mon_socket;
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struct vlist endpoints;
char *filter;
int bind, pending;
} in, out;
};
/** @see node_type::print */
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char * zeromq_print(struct vnode *n);
/** @see node_type::parse */
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int zeromq_parse(struct vnode *n, json_t *cfg);
/** @see node_type::type_start */
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int zeromq_type_start(villas::node::SuperNode *sn);
/** @see node_type::type_stop */
int zeromq_type_stop();
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/** @see node_type::start */
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int zeromq_start(struct vnode *n);
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/** @see node_type::stop */
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int zeromq_stop(struct vnode *n);
/** @see node_type::read */
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int zeromq_read(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release);
/** @see node_type::write */
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int zeromq_write(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release);
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/** @} */