#!/usr/bin/env bash

action="${1}";

show_help() {
	echo "Usage:" >&2;
	echo "  run.sh <start|reload>" >&2;
}

log_msg() {
	echo "[ ${SECONDS} ] >>> mosquitto:run.sh: $*" >&2;
}

if [[ -z "${action}" ]]; then
	show_help;
	return 0;
fi

log_msg "Running ${action} action";


case "${action}" in
	start )
		log_msg "Starting mosquitto";
		if [[ ! -e "/srv/mosquitto.conf" ]]; then
			log_msg "Warning: No configuration file found at /srv/mosquitto.conf";
		fi
		exec mosquitto --config-file /srv/mosquitto.conf;
		;;
	
	reload )
		pid="$(pgrep mosquitto)";
		log_msg "Reloading by sending SIGHUP to PID ${pid}";
		kill -s HUP "${pid}";
		;;
	
	* )
		show_help;
		;;
esac