2025-01-14 14:42:39 +00:00
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/* Node type: kafka.
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2021-05-09 14:57:44 +02:00
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*
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2025-01-14 14:42:39 +00:00
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* Author: Juan Pablo Noreña <jpnorenam@unal.edu.co>
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* SPDX-FileCopyrightText: 2021 Universidad Nacional de Colombia
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* SPDX-License-Identifier: Apache-2.0
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*/
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2021-05-09 14:57:44 +02:00
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#pragma once
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#include <librdkafka/rdkafka.h>
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#include <villas/format.hpp>
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#include <villas/pool.hpp>
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#include <villas/queue_signalled.h>
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namespace villas {
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namespace node {
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// Forward declarations
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class NodeCompat;
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struct kafka {
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struct CQueueSignalled queue;
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struct Pool pool;
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double timeout; // Timeout in seconds.
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char *server; // Hostname/IP:Port address of the bootstrap server.
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char *protocol; // Security protocol.
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char *produce; // Producer topic.
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char *consume; // Consumer topic.
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char *client_id; // Client ID.
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struct {
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rd_kafka_t *client;
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rd_kafka_topic_t *topic;
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} producer;
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struct {
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rd_kafka_t *client;
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char *group_id; // Group id.
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} consumer;
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struct {
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char *ca; // SSL CA file.
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} ssl;
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struct {
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char *mechanisms; // SASL mechanisms.
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char *username; // SSL CA path.
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char *password; // SSL certificate.
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} sasl;
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Format *formatter;
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};
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int kafka_reverse(NodeCompat *n);
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char *kafka_print(NodeCompat *n);
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int kafka_init(NodeCompat *n);
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int kafka_prepare(NodeCompat *n);
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int kafka_parse(NodeCompat *n, json_t *json);
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int kafka_start(NodeCompat *n);
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int kafka_destroy(NodeCompat *n);
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int kafka_stop(NodeCompat *n);
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int kafka_type_start(SuperNode *sn);
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int kafka_type_stop();
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int kafka_poll_fds(NodeCompat *n, int fds[]);
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int kafka_read(NodeCompat *n, struct Sample *const smps[], unsigned cnt);
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int kafka_write(NodeCompat *n, struct Sample *const smps[], unsigned cnt);
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} // namespace node
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} // namespace villas
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