1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
#! /bin/sh
### BEGIN INIT INFO
# Provides: dhcp-helper
# Required-Start: $network $remote_fs $syslog
# Required-Stop: $network $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Description: DHCP relay agent
### END INIT INFO
set +e
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="DHCP relay agent"
NAME=dhcp-helper
DAEMON=/usr/sbin/$NAME
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0
# Read config file if it is present.
if [ -r /etc/default/$NAME ]
then
. /etc/default/$NAME
fi
#
# Function that starts the daemon/service.
#
d_start() {
start-stop-daemon --start --quiet --pidfile $PIDFILE \
--exec $DAEMON -- $DHCPHELPER_OPTS
}
#
# Function that stops the daemon/service.
#
d_stop() {
start-stop-daemon --stop --quiet --pidfile $PIDFILE \
--name $NAME
rm -f $PIDFILE
}
# Return
# 0 if daemon is running
# 1 if daemon is dead and pid file exists
# 3 if daemon is not running
# 4 if daemon status is unknown
d_status() {
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null
case "$?" in
0) [ -e "$PIDFILE" ] && return 1 ; return 3 ;;
1) return 0 ;;
*) return 4 ;;
esac
}
case "$1" in
start)
echo -n "Starting $DESC: $NAME"
d_start
echo "."
;;
stop)
echo -n "Stopping $DESC: $NAME"
d_stop
echo "."
;;
restart|force-reload)
echo -n "Restarting $DESC: $NAME"
d_stop
sleep 1
d_start
echo "."
;;
status)
echo -n "Checking $DESC: $NAME"
d_status
case "$?" in
0) echo " (running)" ; exit 0 ;;
1) echo " (dead, pid file exists)" ; exit 1 ;;
3) echo " (not running)" ; exit 3 ;;
*) echo " (unknown)" ; exit 4 ;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload|status}" >&2
exit 3
;;
esac
exit 0
|
