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#!/bin/bash
# Copyright (c) 2004-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Contributed by Roy Marples (uberlord@gentoo.org)
# char* netplugd_provides(void)
#
# Returns a string to change module definition for starting up
netplugd_provides() {
echo "plug"
}
# void netplugd_depend(void)
#
# Sets up the dependancies for the module
netplugd_depend() {
after macnet
before interface
}
# bool netplugd_check_installed(void)
#
# Returns 0 if netplug is installed, otherwise 1
netplugd_check_installed() {
if [[ ! -x /sbin/netplugd ]]; then
${1:-false} && eerror "For netplug support, emerge sys-apps/netplug"
return 1
fi
return 0
}
# bool netplugd_check_depends(void)
#
# Checks to see if we have the needed functions
netplugd_check_depends() {
local f
for f in interface_exists interface_get_mac_address ; do
[[ $( type -t "${f}" ) == "function" ]] && continue
eerror "netplugd: missing required function ${f}\n"
return 1
done
return 0
}
# bool netplugd_pre_start(char *interface)
#
# Start netplug on an interface
netplugd_pre_start() {
local iface="$1" timeout i
local pidfile="/var/run/netplugd.${iface}.pid"
# We don't start netplug if we're being called from the background
${IN_BACKGROUND} && return 0
interface_exists "${iface}" || return 0
# 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 "netplug only works on interfaces with a valid MAC address"
return 0
fi
# We don't work on bridges
if [[ $(type -t bridge_exists) == "function" ]]; then
if bridge_exists "${iface}"; then
veinfo "netplug does not work on bridges"
return 0
fi
fi
# We don't work on tun/tap interfaces
if [[ $(type -t tuntap_exists) == "function" ]]; then
if tuntap_exists "${iface}"; then
veinfo "netplug does not work on tun/tap interfaces"
return 0
fi
fi
# We don't work on wirelesss interfaces
if [[ $(type -t wireless_check_extensions) == "function" ]]; then
if wireless_check_extensions "${iface}"; then
veinfo "netplug does not work on wireless interfaces"
return 0
fi
fi
ebegin "Starting netplug on ${iface}"
# We need the interface up for netplug to listen to netlink events
interface_up "${iface}"
# Mark the us as inactive so netplug can restart us
mark_service_inactive "net.${iface}"
# Start netplug
start-stop-daemon --start --exec /sbin/netplugd \
--pidfile "${pidfile}" \
-- -i "${iface}" -P -p "${pidfile}" -c /dev/null
eend "$?" || return 1
eindent
eval timeout=\"\$\{plug_timeout_${ifvar}\:-10}\"
if [[ ${timeout} == "0" ]]; then
ewarn "WARNING: infinite timeout set for ${iface} to come up"
elif [[ ${timeout} -lt 0 ]]; then
ewarn "WARNING: negative timeout set for ${iface}"
exit 0
fi
veinfo "Waiting for ${iface} to be marked as started"
i=0
while true ; do
if service_started "net.${iface}"; then
local addr=$( interface_get_address "${iface}" )
einfo "${iface} configured with address ${addr}"
exit 0
fi
sleep 1
(( i++ ))
[[ ${i} == "${timeout}" || ${i} -gt "${timeout}" ]] && break
done
eend 1 "Failed to configure ${iface} in the background"
exit 0
}
# bool netplugd_post_stop(char *iface)
#
# Stops netplug on an interface
# Returns 0 (true) when successful, non-zero otherwise
netplugd_post_stop() {
${IN_BACKGROUND} && return 0
local iface="$1"
local pidfile="/var/run/netplugd.${iface}.pid"
[[ ! -e ${pidfile} ]] && return 0
ebegin "Stopping netplug on ${iface}"
start-stop-daemon --stop --exec /sbin/netplugd \
--pidfile "${pidfile}"
eend $?
}
# vim:ts=4
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