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#!/bin/bash
### BEGIN INIT INFO
# Provides: srptools
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Discovers SRP scsi targets.
# Description: Discovers SRP scsi over infiniband targets.
### END INIT INFO
[ -x /usr/sbin/srp_daemon ] || exit 0
IBDIR=/sys/class/infiniband
PORTS=""
RETRIES=""
LOG=""
[ -f /etc/default/srptools ] && . /etc/default/srptools
start_daemon () {
if [ "$PORTS" = "NONE" ] ; then
echo "srptools disabled."
exit 0
fi
if [ "$PORTS" = "ALL" ] ; then
for HCA_ID in `/bin/ls -1 ${IBDIR}`
do
for PORT in `/bin/ls -1 ${IBDIR}/${HCA_ID}/ports/`
do
run_daemon
done
done
fi
for ADAPTER in $PORTS ; do
HCA_ID=`echo $ADAPTER | awk -F: '{print $1}'`
PORT=`echo $ADAPTER | awk -F: '{print $2}'`
run_daemon
done
}
run_daemon() {
# SRP deamon wedges if we start it on a port which is not up
STATUS=`/usr/sbin/ibstat $HCA_ID $PORT | grep "State:"`
if [ "$STATUS" = "State: Active" ] ; then
echo "Starting srp on $HCA_ID $PORT"
# srp does not background itself; using the start-stop-daemon background function
# causes us to lose stdout, which is where it logs to
nohup start-stop-daemon --start --quiet -m --pidfile /var/run/srp_daemon.${HCA_ID}.${PORT} \
--exec /usr/sbin/srp_daemon -- -e -c -n -i ${HCA_ID} -p ${PORT} -R ${RETRIES} >> $LOG 2>&1 &
RETVAL=$?
fi
}
stop_daemon () {
for HCA_ID in `/bin/ls -1 ${IBDIR}`
do
for PORT in `/bin/ls -1 ${IBDIR}/${HCA_ID}/ports/`
do
start-stop-daemon --stop --quiet --oknodo -m --pidfile /var/run/srp_daemon.${HCA_ID}.${PORT}
RETVAL=$?
done
done
}
case "$1" in
start)
start_daemon
;;
stop)
stop_daemon
;;
restart | reload | force-reload )
stop_daemon
start_daemon
;;
esac
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