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1 | #!/bin/bash |
2 | # | |
3 | # functions This file contains functions to be used by most or all | |
4 | # shell scripts in the /etc/init.d directory. | |
5 | # | |
6 | # Version: @(#) /etc/init.d/functions 1.01 26-Oct-1993 | |
7 | # | |
8 | # Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org> | |
9 | # Hacked by: Greg Galloway and Marc Ewing | |
10 | # Modified for PLD by Marek Obuchowicz <elephant@shadow.eu.org> | |
11 | # | |
12 | ||
13 | # First set up a default search path. | |
14 | export PATH="/sbin:/usr/sbin:/bin:/usr/bin" | |
15 | ||
16 | # Some functions to handle PLD-style messages | |
6cac3cb2 | 17 | show() |
18 | { | |
19 | text="$*"............................................. | |
20 | echo -ne `echo $text | cut -c1-45` | |
7742e157 AF |
21 | } |
22 | ||
6cac3cb2 | 23 | busy() |
24 | { | |
25 | echo -n "`tput setaf 6`[`tput setaf 5` BUSY `tput setaf 6`]`tput setaf 7`" | |
7742e157 AF |
26 | } |
27 | ||
6cac3cb2 | 28 | ok() |
29 | { | |
30 | echo "`tput setaf 6`[`tput setaf 2` DONE `tput setaf 6`]`tput setaf 7`" | |
7742e157 AF |
31 | } |
32 | ||
6cac3cb2 | 33 | started() |
34 | { | |
35 | echo "`tput setaf 6`[`tput setaf 2` WORK `tput setaf 6`]`tput setaf 7`" | |
7742e157 AF |
36 | } |
37 | ||
6cac3cb2 | 38 | fail() |
39 | { | |
40 | echo "`tput setaf 6`[`tput setaf 1` FAIL `tput setaf 6`]`tput setaf 7`" | |
7742e157 AF |
41 | } |
42 | ||
6cac3cb2 | 43 | died() |
44 | { | |
45 | echo "`tput setaf 6`[`tput setaf 1` DIED `tput setaf 6`]`tput setaf 7`" | |
46 | } | |
47 | ||
48 | deltext() | |
49 | { | |
50 | echo -ne '\b\b\b\b\b\b\b\b' | |
7742e157 AF |
51 | } |
52 | ||
53 | # A function to start a program. | |
54 | daemon() { | |
55 | TMPFILE=`mktemp /tmp/init-XXXXXX` | |
56 | ||
57 | nicelevel=0 | |
58 | # Test syntax. | |
59 | case $1 in | |
60 | '') echo '$0: Usage: daemon [+/-nicelevel] {program}' | |
61 | return 1;; | |
62 | -*|+*) nicelevel=$1 | |
63 | shift;; | |
64 | esac | |
65 | ||
66 | # make sure it doesn't core dump anywhere; while this could mask | |
67 | # problems with the daemon, it also closes some security problems | |
68 | ulimit -c 0 | |
69 | ||
70 | # And start it up. | |
71 | busy | |
72 | if nice -n $nicelevel "$@" &> $TMPFILE; then | |
73 | deltext | |
74 | ok | |
75 | else | |
76 | deltext | |
77 | fail | |
78 | cat $TMPFILE | |
79 | fi | |
80 | rm -f $TMPFILE | |
81 | } | |
82 | ||
83 | # A function to stop a program. | |
84 | killproc() { | |
85 | # Test syntax. | |
86 | if [ $# = 0 ]; then | |
87 | echo "Usage: killproc {program} [signal]" | |
88 | return 1 | |
89 | fi | |
90 | ||
91 | busy | |
92 | ||
93 | TMPFILE=`mktemp /tmp/init-XXXXXX` | |
94 | ||
95 | notset=0 | |
96 | # check for second arg to be kill level | |
97 | if [ "$2" != "" ] ; then | |
98 | killlevel=$2 | |
99 | else | |
100 | notset=1 | |
101 | killlevel="-9" | |
102 | fi | |
103 | ||
104 | # Save basename. | |
105 | base=`basename $1` | |
106 | ||
107 | # Find pid. | |
108 | pid=`pidofproc $base` | |
109 | ||
110 | # Kill it. | |
111 | if [ "$pid" != "" ] ; then | |
112 | if [ "$notset" = 1 ] ; then | |
113 | # TERM first, then KILL if not dead | |
114 | kill -TERM $pid &> $TMPFILE | |
115 | usleep 100000 | |
116 | dead=`ps aux | awk '{print $2}' | grep $pid` | |
117 | if [ "$dead" != "" ]; then | |
118 | sleep 3 | |
119 | kill -KILL $pid &> $TMPFILE | |
120 | fi | |
121 | # use specified level only | |
122 | else | |
123 | kill $killlevel $pid &> $TMPFILE | |
124 | fi | |
125 | else | |
126 | rm -f /var/run/$base.pid | |
127 | deltext | |
128 | fail | |
129 | return | |
130 | fi | |
131 | ||
132 | # Remove pid file if any. | |
133 | rm -f /var/run/$base.pid | |
134 | ||
135 | if [ -z "`cat $TMPFILE`" ]; then | |
136 | deltext | |
137 | ok | |
138 | else | |
139 | deltext | |
140 | died | |
141 | fi | |
142 | rm -f $TMPFILE | |
143 | } | |
144 | ||
145 | # A function to find the pid of a program. | |
146 | pidofproc() { | |
147 | # Test syntax. | |
148 | if [ $# = 0 ] ; then | |
149 | echo "Usage: pidofproc {program}" | |
150 | return 1 | |
151 | fi | |
152 | ||
153 | # First try "/var/run/*.pid" files | |
154 | if [ -f /var/run/$1.pid ] ; then | |
155 | pid=`head -1 /var/run/$1.pid` | |
156 | if [ "$pid" != "" ] ; then | |
157 | echo $pid | |
158 | return 0 | |
159 | fi | |
160 | fi | |
161 | ||
162 | # Next try "pidof" | |
163 | pid=`pidof $1` | |
164 | if [ "$pid" != "" ] ; then | |
165 | echo $pid | |
166 | return 0 | |
167 | fi | |
168 | ||
169 | # Finally try to extract it from ps | |
170 | ps auxw | awk 'BEGIN { prog=ARGV[1]; ARGC=1 } | |
171 | { if ((prog == $11) || (("(" prog ")") == $11) || | |
172 | ((prog ":") == $11)) { print $2 } }' $1 | |
173 | } | |
174 | status() { | |
175 | # Test syntax. | |
176 | if [ $# = 0 ] ; then | |
177 | echo "Usage: status {program}" | |
178 | return 1 | |
179 | fi | |
180 | ||
181 | # First try "pidof" | |
182 | pid=`pidof $1` | |
183 | if [ "$pid" != "" ] ; then | |
184 | echo "$1 (pid $pid) is running..." | |
185 | return 0 | |
186 | else | |
187 | pid=`ps auxww | grep $1 | egrep -v grep\|$0 | awk '{print $2}'` | |
188 | if [ "$pid" != "" ] ; then | |
189 | echo "$1 (pid $pid) is running..." | |
190 | return 0 | |
191 | fi | |
192 | fi | |
193 | ||
194 | # Next try "/var/run/*.pid" files | |
195 | if [ -f /var/run/$1.pid ] ; then | |
196 | pid=`head -1 /var/run/$1.pid` | |
197 | if [ "$pid" != "" ] ; then | |
198 | echo "$1 dead but pid file exists" | |
199 | return 1 | |
200 | fi | |
201 | fi | |
202 | # See if /var/lock/subsys/$1 exists | |
203 | if [ -f /var/lock/subsys/$1 ]; then | |
204 | echo "$1 dead but subsys locked" | |
205 | return 2 | |
206 | fi | |
207 | echo "$1 is stopped" | |
208 | return 3 | |
209 | } |