mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-18 13:48:26 +02:00
8ef83b6052
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1577 3c298f89-4303-0410-b956-a3cf2f4a3e73
334 lines
6.2 KiB
Bash
334 lines
6.2 KiB
Bash
#!/bin/sh
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#
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# quagga Starts/stops quagga daemons and watchquagga.
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# Create a daemon.conf file to have that routing daemon
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# started/stopped automagically when using this script
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# without any daemon names as args.
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# If watchquagga is available, it will also be
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# started/stopped if the script is called without
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# any daemon names.
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#
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ME=$(basename $0)
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usage() {
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echo "Usage: ${ME} {start|stop|restart} [daemon ...]"
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exit 2
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}
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if [ -z "$1" ]
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then
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usage
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else
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COMMAND=$1
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fi
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shift
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ARG_DAEMONS=$*
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BINDIR=/usr/sbin
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CONFDIR=/etc/quagga
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STATEDIR=/var/run/quagga
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DAEMONS="zebra ripd ripngd ospfd ospf6d bgpd"
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DAEMON_FLAGS=-d
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WATCHQUAGGA_FLAGS="-d -z -T 60 -R"
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WATCHQUAGGA_CMD="$0 watchrestart"
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if [ ${COMMAND} != "watchrestart" ]
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then
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DAEMONS="${DAEMONS} watchquagga"
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fi
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DAEMONS_STARTSEQ=${DAEMONS}
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reverse()
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{
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local revlist r
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revlist=
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for r
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do
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revlist="$r $revlist"
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done
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echo $revlist
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}
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DAEMONS_STOPSEQ=$(reverse ${DAEMONS_STARTSEQ})
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#pidof() {
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# ps ax | awk 'match($5, "(^|/)'"$1"'$") > 0 { printf " %s", $1 }'
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#}
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quit() {
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echo "${ME}: $1"
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exit 0
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}
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die() {
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echo "${ME}: $1"
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exit 1
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}
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is_in() {
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local i
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for i in $2
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do
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[ "$1" = "$i" ] && return 0
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done
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return 1
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}
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select_subset() {
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local unknown i j
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unknown=
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RESULT=
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for i in $1
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do
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is_in $i "$2" || unknown="$unknown $i"
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done
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if [ -n "$unknown" ]
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then
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RESULT=$unknown
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return 1
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else
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for j in $2
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do
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is_in $j "$1" && RESULT="$RESULT $j"
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done
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return 0
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fi
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}
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# check command
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case ${COMMAND}
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in
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start|stop|restart)
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;;
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watchrestart)
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if [ -n "$ARG_DAEMONS" ]
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then
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echo "${ME}: watchrestart mode is only for use by watchquagga"
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exit 2
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fi
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;;
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*)
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usage
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;;
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esac
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# select daemons to start
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case ${COMMAND}
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in
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start|restart|watchrestart)
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START_DAEMONS=
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for d in ${DAEMONS_STARTSEQ}
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do
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[ -x "${BINDIR}/${d}" -a -f "${CONFDIR}/${d}.conf" ] \
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&& START_DAEMONS="${START_DAEMONS}${d} "
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done
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WATCHQUAGGA_DAEMONS=${START_DAEMONS}
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if is_in watchquagga "${DAEMONS_STARTSEQ}"
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then
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START_DAEMONS="${START_DAEMONS} watchquagga"
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fi
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if [ -n "${ARG_DAEMONS}" ]
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then
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if select_subset "${ARG_DAEMONS}" "${DAEMONS}"
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then
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if select_subset "${ARG_DAEMONS}" "${START_DAEMONS}"
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then
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START_DAEMONS=${RESULT}
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else
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die "these daemons are not startable:${RESULT}."
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fi
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else
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die "unknown daemons:${RESULT}; choose from: ${DAEMONS}."
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fi
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fi
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;;
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esac
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# select daemons to stop
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case ${COMMAND}
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in
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stop|restart|watchrestart)
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STOP_DAEMONS=${DAEMONS_STOPSEQ}
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if [ -n "${ARG_DAEMONS}" ]
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then
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if select_subset "${ARG_DAEMONS}" "${STOP_DAEMONS}"
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then
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STOP_DAEMONS=${RESULT}
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else
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die "unknown daemons:${RESULT}; choose from: ${DAEMONS}."
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fi
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fi
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stop_daemons=
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for d in ${STOP_DAEMONS}
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do
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pidfile=${STATEDIR}/${d}.pid
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if [ -f "${pidfile}" -o -n "$(pidof ${d})" ]
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then
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stop_daemons="${stop_daemons}${d} "
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elif [ -n "${ARG_DAEMONS}" ]
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then
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echo "${ME}: found no ${d} process running."
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fi
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done
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STOP_DAEMONS=${stop_daemons}
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;;
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esac
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# stop daemons
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for d in $STOP_DAEMONS
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do
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echo -n "${ME}: Stopping ${d} ... "
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pidfile=${STATEDIR}/${d}.pid
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if [ -f "${pidfile}" ]
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then
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file_pid=$(cat ${pidfile})
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if [ -z "${file_pid}" ]
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then
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echo -n "no pid file entry found ... "
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fi
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else
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file_pid=
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echo -n "no pid file found ... "
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fi
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proc_pid=$(pidof ${d})
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if [ -z "${proc_pid}" ]
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then
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echo -n "found no ${d} process running ... "
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else
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count=0
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notinpidfile=
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for p in ${proc_pid}
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do
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count=$((${count}+1))
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if kill ${p}
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then
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echo -n "killed ${p} ... "
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else
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echo -n "failed to kill ${p} ... "
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fi
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[ "${p}" = "${file_pid}" ] \
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|| notinpidfile="${notinpidfile} ${p}"
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done
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[ ${count} -le 1 ] \
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|| echo -n "WARNING: ${count} ${d} processes were found running ... "
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for n in ${notinpidfile}
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do
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echo -n "WARNING: process ${n} was not in pid file ... "
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done
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fi
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count=0
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survivors=$(pidof ${d})
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while [ -n "${survivors}" ]
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do
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sleep 1
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count=$((${count}+1))
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survivors=$(pidof ${d})
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[ -z "${survivors}" -o ${count} -gt 5 ] && break
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for p in ${survivors}
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do
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sleep 1
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echo -n "${p} "
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kill ${p}
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done
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done
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survivors=$(pidof ${d})
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[ -n "${survivors}" ] && \
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if kill -KILL ${survivors}
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then
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echo -n "KILLed ${survivors} ... "
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else
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echo -n "failed to KILL ${survivors} ... "
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fi
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sleep 1
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survivors=$(pidof ${d})
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if [ -z "${survivors}" ]
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then
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echo -n "done."
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if [ -f "${pidfile}" ]
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then
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rm -f ${pidfile} \
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|| echo -n " Failed to remove pidfile."
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fi
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else
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echo -n "failed to stop ${survivors} - giving up."
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if [ "${survivors}" != "${file_pid}" ]
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then
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if echo "${survivors}" > ${pidfile}
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then
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chown quagga:quagga ${pidfile}
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echo -n " Wrote ${survivors} to pidfile."
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else
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echo -n " Failed to write ${survivors} to pidfile."
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fi
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fi
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fi
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echo
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done
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# start daemons
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if [ -n "$START_DAEMONS" ]
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then
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[ -d ${CONFDIR} ] \
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|| quit "${ME}: no config directory ${CONFDIR} - exiting."
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chown -R quagga:quagga ${CONFDIR}
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[ -d ${STATEDIR} ] || mkdir -p ${STATEDIR} \
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|| die "${ME}: could not create state directory ${STATEDIR} - exiting."
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chown -R quagga:quagga ${STATEDIR}
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for d in $START_DAEMONS
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do
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echo -n "${ME}: Starting ${d} ... "
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proc_pid=$(pidof ${d})
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pidfile=${STATEDIR}/${d}.pid
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file_pid=
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if [ -f "${pidfile}" ]
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then
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file_pid=$(cat ${pidfile})
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if [ -n "${file_pid}" ]
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then
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echo -n "found old pid file entry ${file_pid} ... "
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fi
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fi
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if [ -n "${proc_pid}" ]
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then
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echo -n "found ${d} running (${proc_pid}) - skipping ${d}."
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if [ "${proc_pid}" != "${file_pid}" ]
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then
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if echo "${proc_pid}" > ${pidfile}
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then
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chown quagga:quagga ${pidfile}
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echo -n " Wrote ${proc_pid} to pidfile."
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else
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echo -n " Failed to write ${proc_pid} to pidfile."
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fi
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fi
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elif rm -f "${pidfile}"
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then
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if [ "${d}" = "watchquagga" ]
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then
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$("${BINDIR}/${d}" \
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${WATCHQUAGGA_FLAGS} \
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"${WATCHQUAGGA_CMD}" \
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${WATCHQUAGGA_DAEMONS})
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status=$?
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else
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$("${BINDIR}/${d}" ${DAEMON_FLAGS})
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status=$?
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fi
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if [ $status -eq 0 ]
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then
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echo -n "done."
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else
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echo -n "failed."
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fi
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else
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echo -n " failed to remove pidfile."
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fi
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echo
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done
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fi
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