#!/bin/bash
exec 3> >(zenity --notification --listen)

set_red() {
    echo "tooltip: Internet disconnected" >&3
    echo "icon: /home/harald/soundkonverter-0.3.9/src/pics/ledred.png" >&3
}

set_green() {
    echo "tooltip: Internet connected" >&3
    echo "icon: /home/harald/soundkonverter-0.3.9/src/pics/ledgreen.png" >&3
}

get_state() {
    wget -q -O - 'https://speedport.ip/cgi-bin/webcm?getpage=../html/top_newstatus.htm' | grep -q 'aktiv' && return 0
    return 1
}

oldstate="off"

while true; do
    get_state
    state=$?
    if [ $state != $oldstate ]; then
	[ $state -eq 0 ] && set_green || set_red
    fi
    oldstate=$state
    sleep 5
done