#!/bin/sh
# Script to check your internet connection and if it's not OK
# then restart your network services. Make sure that you've the appropiates
# service names in the $services variable
#
# Autor: Eduard Toloza

# Define variables
ofile=/tmp/google.txt
services='write here the name of the services separated by spaces, example: systemd-networkd systemd-resolved wicd network-manager'

#Check if wget is installed
if command -v wget > /dev/null; then
  # Check internet connection and if not OK then restart all networking services
  echo "Testing your connection..."
  wget -q --tries=1 --timeout=1 https://google.com -O $ofile &> /dev/null
  if [ ! -s /tmp/google.txt ]; then
    echo "Your connection is not working, restarting your network services: $services"
    sudo systemctl restart $services
    if [ $? -eq 0 ]; then
      echo "Services restarted sucessfully, leaving."
    else
      echo "An error has occurred, make sure that service names are correct."
    fi
    rm $ofile
  else
    echo "Your connection is OK"
    rm $ofile
  fi
else
  echo "wget is not installed, aborting."
fi