#!/bin/sh /etc/rc.common

START=50
STOP=50
#USE_PROCD=1

DAEMON=/sbin/iscsid
ADM=/sbin/iscsiadm
PIDFILE=/var/run/iscsid.pid

log()
{
    logger -t iscsid -s -p daemon.info "$@"
}


#start_service() {
#        procd_open_instance
#        procd_set_param command $DAEMON  -f -d 8 -p $PIDFILE
#        procd_set_param respawn
#        procd_close_instance
#}

prepare() {
    [ ! -f /etc/iscsi/initiatorname.iscsi ] && logger "Generate initator name ..." \
    && /usr/sbin/iscsi-gen-initiatorname
    mkdir -p /var/run/lock/iscsi
}

unmount() {
    TARGETS="$(iscsiadm -m session -P 3 | grep disk | awk '{print $4}')"
    for VAL in $TARGETS; do
	MOUNTED="$(mount | grep $VAL | awk '{print $1}')"
	for PART in $MOUNTED; do
	    log "Umount $PART"
	    $(umount $PART)
	done
    done
    RETVAL=$?
}
start() {
    pgrep -o iscsid && return 1
    prepare
    $DAEMON -p $PIDFILE
    starttargets
}

starttargets() {
    log "Setting up iSCSI targets"
    $ADM -m node -l
}

stoptargets() {
    unmount
    if [ $RETVAL -ne 0 ]; then
	log "Could not umount all partitions, verify file lock!"
	return $RETVAL
    fi
    log "Disconnecting iSCSI targets"
    sync
    $ADM -m node -u
}

stop() {
    pgrep -o  iscsid || return 1
    stoptargets
    #needs more checks
    if [ $RETVAL -ne 0 ]; then
	log "Could not stop all targets, try again later"
	return $RETVAL
    fi
    log "Stopping iSCSI initiator service"
    $ADM -k 0 2
    rm -f $PIDFILE
}

restart() {
    stop
    if [ $RETVAL -ne 0 ]; then
	log "Stopping iSCSI initiator service failed, not starting"
	return $RETVAL
    fi
    start
}

restarttargets() {
    stoptargets
    if [ $RETVAL -ne 0 ]; then
	log "Could not stop all targets, try again later"
	return $RETVAL
    fi
    starttargets
}