openrc/net/netplugd.sh
Robin H. Johnson 2d197357ef [oldnet] Bug #363959: Improve plug_timeout ifplugd/netplugd code.
- Add support for a global plug_timeout setting to match the
  documentation.
- Update the documentation to also show per-interface configuration.

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
2011-04-19 17:49:20 +00:00

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# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
_config_vars="$_config_vars plug_timeout"
netplugd_depend()
{
program start /sbin/netplugd
after macnet rename
before interface
provide plug
# Prefer ifplugd
before ifplugd
}
netplugd_pre_start()
{
local pidfile="/var/run/netplugd-${IFACE}.pid" timeout=
# We don't start netplug if we're being called from the background
yesno ${IN_BACKGROUND} && return 0
_exists || return 0
# We need a valid MAC address
# It's a basic test to ensure it's not a virtual interface
if ! _get_mac_address >/dev/null 2>&1; then
vewarn "netplug only works on interfaces with a valid MAC address"
return 0
fi
# We don't work on bonded, bridges, tun/tap, vlan or wireless
for f in bond bridge tuntap vlan wireless; do
if type "_is_${f}" >/dev/null 2>&1; then
if _is_${f}; then
veinfo "netplug does not work with" "${f}"
return 0
fi
fi
done
ebegin "Starting netplug on" "${IFACE}"
# Mark the us as inactive so netplug can restart us
mark_service_inactive
# Start netplug
start-stop-daemon --start --exec /sbin/netplugd \
--pidfile "${pidfile}" \
-- -i "${IFACE}" -P -p "${pidfile}" -c /dev/null
eend "$?" || return 1
eindent
# IFACE-specific, then global, then default
eval timeout=\$plug_timeout_${IFVAR}
[ -z "${timeout}" ] && timeout=$plug_timeout
[ -z "${timeout}" ] && timeout=-1
if [ ${timeout} -eq 0 ]; then
ewarn "WARNING: infinite timeout set for ${IFACE} to come up"
elif [ ${timeout} -lt 0 ]; then
einfo "Backgrounding ..."
exit 1
fi
veinfo "Waiting for ${IFACE} to be marked as started"
local i=0
while true; do
if service_started; then
_show_address
exit 0
fi
sleep 1
[ ${timeout} -eq 0 ] && continue
i=$((${i} + 1))
[ ${i} -ge ${timeout} ] && break
done
eend 1 "Failed to configure ${IFACE} in the background"
exit 1
}
netplugd_stop()
{
yesno ${IN_BACKGROUND} && return 0
local pidfile="/var/run/netplugd-${IFACE}.pid"
[ ! -e "${pidfile}" ] && return 0
ebegin "Stopping netplug on" "${IFACE}"
start-stop-daemon --stop --quiet --exec /sbin/netplugd \
--pidfile "${pidfile}"
eend $?
}