busybox/examples/var_service/dhcp_if_pinger/run

#!/bin/sh

delay=67

if=${PWD##*/dhcp_}
if=${if%%_pinger}

if test -f "$0.log"; then
	tail -999 "$0.log" >"$0.log.new"
	mv "$0.log.new" "$0.log"
fi

test -f "/var/service/dhcp_$if/dhcp_$if.out" || exec env - sleep "$delay"
. "/var/service/dhcp_$if/dhcp_$if.out"
test x"$router" != x"" || exec env - sleep "$delay"

#echo "`date '+%Y-%m-%d %H:%M:%S'` Testing ping -c3 $router" >>"$0.log"
ping -c3 "$router" && exec env - sleep "$delay"

echo "`date '+%Y-%m-%d %H:%M:%S'` Restarting /var/service/dhcp_$if" >>"$0.log"
sv t "/var/service/dhcp_$if"

exec env - sleep "$delay"