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mosquitto/test/broker/c/plugin_evt_subscribe.c

50 lines
1.1 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mosquitto.h>
#include <mosquitto_broker.h>
#include <mosquitto_plugin.h>
MOSQUITTO_PLUGIN_DECLARE_VERSION(5);
static mosquitto_plugin_id_t *plg_id;
int callback_subscribe(int event, void *event_data, void *user_data)
{
struct mosquitto_evt_subscribe *ed = event_data;
(void)user_data;
if(event != MOSQ_EVT_SUBSCRIBE){
abort();
}
ed->topic_filter = mosquitto_strdup("new-topic");
ed->qos = 0;
return MOSQ_ERR_SUCCESS;
}
int mosquitto_plugin_init(mosquitto_plugin_id_t *identifier, void **user_data, struct mosquitto_opt *opts, int opt_count)
{
(void)user_data;
(void)opts;
(void)opt_count;
plg_id = identifier;
mosquitto_callback_register(plg_id, MOSQ_EVT_SUBSCRIBE, callback_subscribe, NULL, NULL);
return MOSQ_ERR_SUCCESS;
}
int mosquitto_plugin_cleanup(void *user_data, struct mosquitto_opt *opts, int opt_count)
{
(void)user_data;
(void)opts;
(void)opt_count;
mosquitto_callback_unregister(plg_id, MOSQ_EVT_SUBSCRIBE, callback_subscribe, NULL);
return MOSQ_ERR_SUCCESS;
}