openrc/net.Linux/netplugd.sh

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# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
_config_vars="$_config_vars plug_timeout"
netplugd_depend() {
program start /sbin/netplugd
after macnet rename
before interface
provide plug
# Prefer us to ifplugd
after ifplugd
}
netplugd_pre_start() {
local pidfile="/var/run/netplugd-${IFACE}.pid" timeout=
# We don't start netplug if we're being called from the background
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yesno ${IN_BACKGROUND} && return 0
_exists || return 0
# We need a valid MAC address
# It's a basic test to ensure it's not a virtual interface
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if ! _get_mac_address >/dev/null 2>&1; then
vewarn "netplug only works on interfaces with a valid MAC address"
return 0
fi
# We don't work on bonded, bridges, tun/tap, vlan or wireless
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for f in bond bridge tuntap vlan wireless; do
if type "_is_${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" "${IFACE}"
# Mark the us as inactive so netplug can restart us
mark_service_inactive "${SVCNAME}"
# Start netplug
start-stop-daemon --start --exec /sbin/netplugd \
--pidfile "${pidfile}" \
-- -i "${IFACE}" -P -p "${pidfile}" -c /dev/null
eend "$?" || return 1
eindent
eval timeout=\$plug_timeout_${IFVAR}
[ -z "${timeout}" ] && timeout=-1
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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
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veinfo "Waiting for ${IFACE} to be marked as started"
local i=0
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while true; do
if service_started "${SVCNAME}"; then
_show_address
exit 0
fi
sleep 1
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[ ${timeout} -eq 0 ] && continue
i=$((${i} + 1))
[ ${i} -ge ${timeout} ] && break
done
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eend 1 "Failed to configure ${IFACE} in the background"
exit 1
}
netplugd_stop() {
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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 $?
}
# vim: set ts=4 :