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87 lines
1.6 KiB
C
87 lines
1.6 KiB
C
#include <stdbool.h>
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#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 <mqtt_protocol.h>
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static int run = -1;
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static void on_connect(struct mosquitto *mosq, void *obj, int rc)
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{
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(void)mosq;
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(void)obj;
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if(rc){
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exit(1);
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}
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}
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static void on_message_v5(struct mosquitto *mosq, void *obj, const struct mosquitto_message *msg, const mosquitto_property *properties)
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{
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int rc;
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char *str;
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(void)obj;
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if(properties){
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if(mosquitto_property_read_string(properties, MQTT_PROP_CONTENT_TYPE, &str, false)){
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rc = strcmp(str, "plain/text");
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free(str);
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if(rc == 0){
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if(mosquitto_property_read_string(properties, MQTT_PROP_RESPONSE_TOPIC, &str, false)){
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rc = strcmp(str, "msg/123");
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free(str);
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if(rc == 0){
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if(msg->qos == 1){
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mosquitto_publish(mosq, NULL, "ok", 2, "ok", 0, 0);
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return;
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}
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}
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}
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}
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}
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}
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/* No matching message, so quit with an error */
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exit(1);
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}
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int main(int argc, char *argv[])
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{
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int rc;
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struct mosquitto *mosq;
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int port;
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if(argc < 2){
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return 1;
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}
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port = atoi(argv[1]);
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mosquitto_lib_init();
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mosq = mosquitto_new("prop-test", true, NULL);
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if(mosq == NULL){
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return 1;
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}
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mosquitto_connect_callback_set(mosq, on_connect);
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mosquitto_message_v5_callback_set(mosq, on_message_v5);
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mosquitto_int_option(mosq, MOSQ_OPT_PROTOCOL_VERSION, MQTT_PROTOCOL_V5);
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rc = mosquitto_connect(mosq, "localhost", port, 60);
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if(rc != MOSQ_ERR_SUCCESS) return rc;
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while(run == -1){
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rc = mosquitto_loop(mosq, -1, 1);
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if(rc != MOSQ_ERR_SUCCESS) return rc;
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}
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mosquitto_destroy(mosq);
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mosquitto_lib_cleanup();
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return run;
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}
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