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olsrd: hotplug: optimize execution-speed and simplify using already existing GLOBAL vars instead of encapsulating vars from function to function, cleanups and comments in source

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Bastian Bittorf 2014-01-03 21:00:45 +01:00
parent 0e4201a983
commit 3a1fd11883
1 changed files with 22 additions and 14 deletions
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36
olsrd/files/olsrd.hotplug.sh
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@ -11,7 +11,7 @@ olsrd_list_configured_interfaces()
# is disabled
;;
*)
echo "$interface"
echo "$interface" # e.g. 'lan'
;;
esac
@ -19,26 +19,32 @@ olsrd_list_configured_interfaces()
} done
}
olsrd_interface_already_in_config()
{
# e.g.: 'Interface "eth0.1" "eth0.2" "wlan0"'
if grep -s ^'Interface ' '/var/etc/olsrd.conf' | grep -q "\"$DEVICE\""; then
logger -t olsrd_hotplug -p daemon.debug "[OK] already_active: '$INTERFACE' => '$DEVICE'"
return 0
else
logger -t olsrd_hotplug -p daemon.info "[OK] ifup: '$INTERFACE' => '$DEVICE'"
return 1
fi
}
olsrd_interface_needs_adding()
{
local interface="$1" # e.g. wlanadhocRADIO1
local device="$2" # e.g. wlan1-1
local myif
local config="/var/etc/olsrd.conf"
local testif
# likely and cheap operation:
olsrd_interface_already_in_config && return 1
for myif in $(olsrd_list_configured_interfaces); do {
[ "$myif" = "$interface" ] && {
if grep -s ^'Interface ' "$config" | grep -q "\"$device\""; then
logger -t olsrd_hotplug -p daemon.debug "[OK] already_active: $INTERFACE => $DEVICE"
return 1
else
logger -t olsrd_hotplug -p daemon.info "[OK] ifup: $INTERFACE => $DEVICE"
return 0
fi
olsrd_interface_already_in_config || return 0
}
} done
logger -t olsrd_hotplug -p daemon.debug "[OK] interface $INTERFACE not used for olsrd"
logger -t olsrd_hotplug -p daemon.debug "[OK] interface '$INTERFACE' => '$DEVICE' not used for olsrd"
return 1
}
@ -47,7 +53,9 @@ case "$ACTION" in
# only work after the first normal startup
# also: no need to test, if enabled
[ -e '/var/etc/olsrd.conf' ] && {
olsrd_interface_needs_adding "$INTERFACE" "$DEVICE" && {
# INTERFACE = e.g. 'wlanadhocRADIO1' or 'cfg144d8f'
# DEVICE = e.g. 'wlan1-1'
olsrd_interface_needs_adding && {
. /etc/rc.common /etc/init.d/olsrd restart
}
}