unifi-healthcheck

#!/bin/bash
set -x
UNIFIDIR=/usr/lib/unifi
UNIFIRUNDIR=${UNIFIDIR}/run
UNIFIPIDFILE=${UNIFIRUNDIR}/unifi.pid
UNIFIPID=$(cat ${UNIFIPIDFILE})
PROCDIR=/proc/${UNIFIPID}
if /etc/init.d/unifi status; then
  if test -d ${PROCDIR}; then
    let result=0;
    for udp_port in 3478; do
      if grep -i ": 00000000000000000000000000000000:$(printf '%04X' ${udp_port}) 00000000000000000000000000000000:0000 " ${PROCDIR}/net/udp6; then let result=0; else let result=1; fi;
    done;
    for tcp_port in 8080 8443 8880 8843; do
      if grep -i ": 00000000000000000000000000000000:$(printf '%04X' ${tcp_port}) 00000000000000000000000000000000:0000 " ${PROCDIR}/net/tcp6; then let result=0; else let result=1; fi;
    done;
    exit $result;
  else
    exit 1;
  fi;
else
  exit 1;
fi