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sqm-scripts: clean up interface selection for hotplugging 

The initial conversion to restart sqm on interfaces it is configured
for in case of (transient) dis- and reappearance was half finished.
These changes clean up the handling of exlicitly passed interfaces
in run.sh: no second argument defaults to all configured interfaces
the alternative is an individual interface name passed as 2nd
argument to run.sh. The first argument either is start or stop.
No argument at all will behave as if start was passed.
Survives light testing...

Signed-off-by: Sebastian Moeller <moeller0@gmx.de>
This commit is contained in:
Sebastian Moeller 2015-03-20 22:47:45 +01:00 committed by Toke Høiland-Jørgensen
parent 6604f9ede0
commit 74e3c57fe0
3 changed files with 25 additions and 15 deletions
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2
net/sqm-scripts/files/etc/hotplug.d/iface/11-sqm
View File

@ -1,3 +1,3 @@
#!/bin/sh
[ "$ACTION" = ifup ] && /usr/lib/sqm/run.sh interface ${DEVICE}
[ "$ACTION" = ifup ] && /usr/lib/sqm/run.sh start ${DEVICE}

2
net/sqm-scripts/files/etc/init.d/sqm
View File

@ -4,7 +4,7 @@ START=50
reload()
{
/usr/lib/sqm/run.sh
/usr/lib/sqm/run.sh start
}
restart()

36
net/sqm-scripts/files/usr/lib/sqm/run.sh
View File

@ -13,29 +13,39 @@ STOP=
ACTIVE_STATE_PREFIX="SQM_active_on_"
ACTIVE_STATE_FILE_DIR="/var/run/SQM"
mkdir -p ${ACTIVE_STATE_FILE_DIR}
PROTO_STATE_FILE_LIST=$( ls ${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}* 2> /dev/null )
START_ON_IF=$2 # only process this interface
# TODO if $2 is empty select all interfaces with running sqm instance
if [ -z ${START_ON_IF} ] ;
then
# find all interfaces with active sqm instance
logger -t SQM -s "Trying to start/stop SQM on all interfaces."
PROTO_STATE_FILE_LIST=$( ls ${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}* 2> /dev/null )
else
# only try to restart the just hotplugged interface, so reduce the list of interfaces to stop to the specified one
logger -t SQM -s "Trying to start/stop SQM on interface ${START_ON_IF}"
PROTO_STATE_FILE_LIST=${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}${START_ON_IF}
fi
case ${1} in
start)
# just run through, same as passing no argument
;;
stop)
logger -t SQM -s "run.sh stop"
STOP=$1
;;
interface)
START_ON_IF=$2 # only process this interface
logger -t SQM -s "Trying to re-start SQM on interface ${START_ON_IF}"
# TODO if $2 is empty just bail...
if [ -z ${START_ON_IF} ] ;
then
logger -t SQM -s "Interface name missing, nothing to do, bailing out"
return 0
fi
# only try to restart the just hotplugged interface, so reduce the list of interfaces to stop to the specified one
PROTO_STATE_FILE_LIST=${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}${START_ON_IF}
;;
esac
# the current uci config file does not necessarily contain sections for all interfaces with active
# SQM instances, so use the ACTIVE_STATE_FILES to detect the interfaces on which to stop SQM.
# Currently the .qos scripts start with stopping any existing traffic shaping so this should not