Send Router Status Informations to an MQTT Broker

/* DESC: This script will publish router status informations to 
 * an mqtt broker using nb_mqtt_publish(). Status infos published to one topic
 * every minute for max messages amount. 
 * For details about status infos check API Documentation about nb_status();
 * Copyright (C) 2018 NetModule AG, Switzerland
 */
 
HOST = "192.168.240.1"; 
PORT = 1883;
USERNAME = "test";
PASSWORD = "test";
TOPIC = "mycompany/bus1/";
/* 	QOS Values */
/*	0 = publish at most one (fire & forget) */
/*	1 = publish at least once */
/*	2 = publish exactly once */	
QOS = 0;
/* 	Retain values */
/*	0 = the message will not be stored */
/*	1 = the message will be stored and sent to a new subscriber of that topic */
RETAIN = 0; 
MESSAGE = "";
 
MAX_MESSAGES = 10 ; // /* max. number messages */
 
 
 
for (cnt = 0; cnt < MAX_MESSAGES;) {
 
	/* get different example values via nb_status() */
	sys_tmp = nb_status("system").TEMPERATURE;
	mob1_service = nb_status("wwan").MOBILE1_SERVICE_TYPE;
	mob1_signal = nb_status("wwan").MOBILE1_SIGNAL_LEVEL;
	gps_long = nb_status("gnss").GNSS1_LONGITUDE;
	gps_lat = nb_status("gnss").GNSS1_LATITUDE;
 
	/* create the message */
	MESSAGE=sprintf("Status info: \n temp: %s \n mobile1 service: %s\n mobile 1 signal: %s\n gps long: %s\n gps lat %s\n",sys_tmp, mob1_service, mob1_signal, gps_long, gps_lat);
 
	//printf("%s", MESSAGE);
 
	/* publish the message to mqtt broker */
    ret = nb_mqtt_publish (HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE);
	if(ret<0){
			nb_syslog("Failed to publish mqtt message");
	}
 
    sleep(60);
 
    cnt ++;
 
}
 
exit(0);