#!/bin/sh

# Resume the VPN connection if the network comes back up

set -e

PIDFILE=/tmp/gpservice_disconnected.pid

if [ -f $PIDFILE ]; then
  PID=$(cat $PIDFILE)

  # Always remove the PID file
  rm $PIDFILE

  # Ensure the PID is a gpservice process
  if ps -p $PID -o comm= | grep -q gpservice; then
    # Send a USR2 signal to the gpclient process to resume the VPN connection
    kill -USR2 $PID
  fi
fi