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53 lines
1.3 KiB
C
53 lines
1.3 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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MOSQUITTO_PLUGIN_DECLARE_VERSION(5);
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static mosquitto_plugin_id_t *plg_id;
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int callback_message_out(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_OUT){
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abort();
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}
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ed->topic = mosquitto_strdup("new-topic");
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ed->payload = mosquitto_strdup("new-message");
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ed->payloadlen = strlen(ed->payload);
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ed->properties = NULL;
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if(mosquitto_property_add_string_pair(&ed->properties, MQTT_PROP_USER_PROPERTY, "key", "value")) abort();
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return MOSQ_ERR_SUCCESS;
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}
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int mosquitto_plugin_init(mosquitto_plugin_id_t *identifier, void **user_data, struct mosquitto_opt *opts, int opt_count)
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{
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(void)user_data;
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(void)opts;
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(void)opt_count;
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plg_id = identifier;
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mosquitto_callback_register(plg_id, MOSQ_EVT_MESSAGE_OUT, callback_message_out, 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 *opts, int opt_count)
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{
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(void)user_data;
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(void)opts;
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(void)opt_count;
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mosquitto_callback_unregister(plg_id, MOSQ_EVT_MESSAGE_OUT, callback_message_out, NULL);
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return MOSQ_ERR_SUCCESS;
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}
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