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51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <mosquitto.h>
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#include <mosquitto_broker.h>
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#include <mosquitto_plugin.h>
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static int handle_publish(int event, void *event_data, void *user_data);
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static mosquitto_plugin_id_t *plg_id;
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MOSQUITTO_PLUGIN_DECLARE_VERSION(5);
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int mosquitto_plugin_init(mosquitto_plugin_id_t *identifier, void **user_data, struct mosquitto_opt *auth_opts, int auth_opt_count)
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{
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(void)user_data;
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(void)auth_opts;
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(void)auth_opt_count;
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plg_id = identifier;
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mosquitto_callback_register(plg_id, MOSQ_EVT_MESSAGE_WRITE, handle_publish, NULL, NULL);
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return MOSQ_ERR_SUCCESS;
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}
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int mosquitto_plugin_cleanup(void *user_data, struct mosquitto_opt *auth_opts, int auth_opt_count)
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{
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(void)user_data;
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(void)auth_opts;
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(void)auth_opt_count;
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mosquitto_callback_unregister(plg_id, MOSQ_EVT_MESSAGE_WRITE, handle_publish, NULL);
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return MOSQ_ERR_SUCCESS;
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}
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int handle_publish(int event, void *event_data, void *user_data)
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{
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struct mosquitto_evt_message *ed = event_data;
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(void)user_data;
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if(event != MOSQ_EVT_MESSAGE_WRITE){
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abort();
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}
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mosquitto_free(ed->topic);
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ed->topic = mosquitto_strdup("fixed-topic");
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return MOSQ_ERR_SUCCESS;
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}
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