70 lines
1.6 KiB
Plaintext
70 lines
1.6 KiB
Plaintext
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#!@SBINDIR@/openrc-run
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# Copyright (C) 2015 William Hubbs <w.d.hubbs@gmail.com>
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# Released under the 2-clause BSD license.
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description="Delays until the network is online or a specific timeout"
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depend()
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{
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after modules
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need sysfs
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keyword -jail -lxc -openvz -prefix -systemd-nspawn -uml -vserver
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}
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get_interfaces()
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{
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local ifname iftype
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for ifname in /sys/class/net/*; do
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read iftype < ${ifname}/type
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[ "$iftype" = "1" ] && printf "%s " ${ifname##*/}
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done
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}
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get_default_gateway()
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{
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local cmd gateway
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if command -v ip > /dev/null 2>&1; then
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cmd="ip route show"
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else
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cmd=route
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fi
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set -- $($cmd | grep default)
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[ "$2" != via ] && gateway="$2" || gateway="$3"
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printf "%s" $gateway
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}
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start ()
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{
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local carriers configured dev gateway ifcount infinite interfaces
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local rc state timeout x
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ebegin "Checking to see if the network is online"
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rc=0
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interfaces=${interfaces:-$(get_interfaces)}
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timeout=${timeout:-120}
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[ $timeout -eq 0 ] && infinite=true || infinite=false
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while $infinite || [ $timeout -gt 0 ]; do
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carriers=0
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configured=0
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ifcount=0
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for dev in ${interfaces}; do
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: $((ifcount += 1))
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read x < /sys/class/net/$dev/carrier
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[ $x -eq 1 ] && : $((carriers += 1))
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read x < /sys/class/net/$dev/operstate
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[ "$x" = up ] && : $((configured += 1))
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done
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[ $configured -eq $ifcount ] && [ $carriers -ge 1 ] && break
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sleep 1
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: $((timeout -= 1))
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done
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! $infinite && [ $timeout -eq 0 ] && rc=1
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if [ $rc -eq 0 ] && yesno ${ping_default_gateway:-no}; then
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gateway="$(get_default_gateway)"
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if [ -n "$gateway" ] && ! ping -c 1 $gateway > /dev/null 2>&1; then
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rc=1
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fi
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fi
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eend $rc "The network is offline"
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}
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