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# Copyright (c) 2004-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Contributed by Roy Marples (uberlord@gentoo.org)
# void ifplugd_depend(void)
#
# Sets up the dependancies for the module
ifplugd_depend() {
after macnet rename
before interface
functions interface_exists interface_get_mac_address
provide plug
}
# void ifplugd_expose(void)
#
# Expose variables that can be configured
ifplugd_expose() {
variables plug_timeout
}
# bool ifplugd_check_installed(void)
#
# Returns 0 if ifplugd is installed, otherwise 1
ifplugd_check_installed() {
if [[ ! -x /usr/sbin/ifplugd ]]; then
${1:-false} && eerror "For ifplugd support, emerge sys-apps/ifplugd"
return 1
fi
return 0
}
# bool ifplugd_pre_start(char *interface)
#
# Start ifplugd on an interface
ifplugd_pre_start() {
local iface="$1" ifvar="$(bash_variable "$1")" timeout opts
local pidfile="/var/run/ifplugd.${iface}.pid"
# We don't start ifplugd if we're being called from the background
${IN_BACKGROUND} && return 0
interface_exists "${iface}" || return 0
# ifplugd could have been started by the old init script
if [[ -e ${pidfile} ]] ; then
vewarn "ifplugd is already running on ${iface}"
return 0
fi
# We need a valid MAC address
# It's a basic test to ensure it's not a virtual interface
local mac="$(interface_get_mac_address "${iface}")"
if [[ -z ${mac} ]] ; then
vewarn "ifplugd only works on interfaces with a valid MAC address"
return 0
fi
# We don't work on bonded, bridges, tun/tap, vlan or wireless
for f in bonding bridge tuntap vlan ; do
if is_function "${f}_exists" ; then
if ${f}_exists "${iface}" ; then
veinfo "ifplugd does not work with ${f}"
return 0
fi
fi
done
# Do some options
opts="ifplugd_${ifvar}"
# We don't work on wirelesss interfaces
# Although ifplugd can, we prefer wpa_supplicant, unless explicitly told
# so via our options
if [[ " ${!opts} " != *" -m wlan "* \
&& " ${!opts} " != *" --api-mode=wlan "* ]] ; then
if is_function wireless_exists ; then
if wireless_exists "${iface}" ; then
veinfo "ifplugd does not work on wireless interfaces"
return 0
fi
fi
fi
ebegin "Starting ifplugd on ${iface}"
# We need the interface up for ifplugd to listen to netlink events
interface_up "${iface}"
# Mark the us as inactive so ifplugd can restart us
mark_service_inactive "net.${iface}"
# Start ifplugd
eval start-stop-daemon --start --exec /usr/sbin/ifplugd \
--pidfile "${pidfile}" \
-- "${!opts}" --iface="${iface}"
eend "$?" || return 1
eindent
timeout="timeout_${ifvar}"
timeout="${!timeout:--1}"
if [[ ${timeout} == "0" ]] ; then
ewarn "WARNING: infinite timeout set for ${iface} to come up"
elif [[ ${timeout} -lt 0 ]] ; then
einfo "Backgrounding ..."
exit 0
fi
veinfo "Waiting for ${iface} to be marked as started"
local i=0
while true ; do
if service_started "net.${iface}" ; then
local addr="$(interface_get_address "${iface}")"
einfo "${iface} configured with address ${addr}"
exit 0
fi
sleep 1
[[ ${timeout} == "0" ]] && continue
(( i++ ))
[[ ${i} == "${timeout}" || ${i} -gt "${timeout}" ]] && break
done
eend 1 "Failed to configure ${iface} in the background"
exit 0
}
# bool ifplugd_stop(char *iface)
#
# Stops ifplugd on an interface
# Returns 0 (true) when successful, non-zero otherwise
ifplugd_stop() {
${IN_BACKGROUND} && return 0
local iface="$1"
local pidfile="/var/run/ifplugd.${iface}.pid"
[[ ! -e ${pidfile} ]] && return 0
ebegin "Stopping ifplugd on ${iface}"
start-stop-daemon --stop --exec /usr/sbin/ifplugd \
--pidfile "${pidfile}" --signal 3
eend $?
}
# vim: set ft=sh ts=4 :
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