alx-config/init.d/functions

#!/bin/bash
# Begin $rc_base/init.d/functions - Run Level Control Functions

# Based on functions script from LFS-3.1 and earlier.
# Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org

# With code based on Matthias Benkmann's simpleinit-msb @
# http://winterdrache.de/linux/newboot/index.html

umask 022

export PATH="/bin:/usr/bin:/sbin:/usr/sbin"

KILLDELAY=3

COLUMNS=$(stty size)
COLUMNS=${COLUMNS##* }
COL=$[ $COLUMNS - 10 ]
WCOL=$[ $COLUMNS - 30 ]
WWCOL=$[ $COLUMNS - 40 ]
SET_COL="echo -en \\033[${COL}G"
SET_WCOL="echo -en \\033[${WCOL}G"
SET_WWCOL="echo -en \\033[${WWCOL}G"
CURS_UP="echo -en \\033[A"

NORMAL="echo -en \\033[0;39m"
SUCCESS="echo -en \\033[1;32m"
WARNING="echo -en \\033[1;33m"
FAILURE="echo -en \\033[1;31m"

COLRED="\033[1;6m\033[31m"
COLGREEN="\033[1;6m\033[32m"
COLYELLOW="\033[1;6m\033[33m"
COLBLUE="\033[1;6m\033[34m"
COLMAGENTA="\033[1;6m\033[35m"
COLWHITE="\033[1;6m\033[37m"
COLDEFAULT="\033[0m"

COLOREDSTAR="${COLBLUE}(${COLGREEN}*${COLBLUE})${COLDEFAULT} "

print_error_msg()
{
	return 0
	
	echo
	$FAILURE
	echo -e "   An Error occurred."
	echo -e "   Script: ${COLWHITE}$i${COLRED}"
	echo -e "   Exitcode: ${COLWHITE}$error_value${COLRED}"
	echo
	$NORMAL
	echo
	echo "Press Enter to continue..."
	read
}

check_script_status()
{
	if [ ! -f $i ]
	then
		echo "$i is not a valid symlink"
		continue
	fi

	if [ ! -x $i ]
	then
		echo "$i is not executable, skipping"
		continue
	fi
}

evaluate_retval()
{
	error_value=$?

	if [ $error_value = 0 ]
	then
		print_status success
	else
		print_status failure
	fi

	return $error_value
}

print_status()
{
	if [ $# = 0 ]
	then
		echo "Usage: $0 {success|warning|failure}"
		return 1
	fi

	$CURS_UP

	case "$1" in
		success)
			$SET_COL
			echo -e -n $COLBLUE"[  "
			$SUCCESS
			echo -e -n "OK"
			echo -e $COLBLUE"  ]"
			$NORMAL
			;;
		warning)
			case "$2" in
				running)
					$SET_WCOL
					echo "Already running"
					$CURS_UP
					;;
				not_running)
					$SET_WCOL
					echo "Not running"
					$CURS_UP
					;;
			esac
			$SET_COL
			echo -e -n $COLBLUE"[ "
			$WARNING
			echo -e -n "ATTN"
			echo -e $COLBLUE" ]"
			$NORMAL
			;;
		failure)
			$SET_COL
			echo -e -n $COLBLUE"["
			$FAILURE
			echo -e -n "FAILED"
			echo -e $COLBLUE"]"
			$NORMAL
			;;
	esac
}

getpids()
{
	base=${1##*/}
	pidlist=$(pidof -o $$ -o $PPID -x $base)
}

loadproc()
{
	if [ $# = 0 ]
	then
		echo "Usage: loadproc {program}"
		exit 1
	fi

	getpids $1

	if [ -z "$pidlist" ]
	then
		"$@"
		evaluate_retval
	else
		$SET_WCOL
		print_status warning running
	fi
}

killproc()
{
	if [ $# = 0 ]
	then
		echo "Usage: killproc {program} [signal]"
		exit 1
	fi

	if [ -z "$2" ]; then
		signal=TERM
		fallback=KILL
	else
		signal=${2##-}
		signal=${signal##SIG}
		fallback=""
	fi

	getpids $1

	if [ -n "$pidlist" ]; then
		failure=0

		for pid in $pidlist
		do
			kill -$signal $pid 2>/dev/null

			for ((i=0; $i<5000; i=$i+1)); do :; done

			for ((i=0; $i<$KILLDELAY; i=$i+1)); do
				kill -0 $pid 2>/dev/null || break
				sleep 1
			done

			if [ -n "$fallback" ]; then kill -$fallback $pid 2>/dev/null; fi

			kill -0 $pid 2>/dev/null && failure=1
		done

		base=${1##*/}
		if [ $failure = 0 ]; then rm -f /var/run/$base.pid; fi

		(exit $failure)
		evaluate_retval
	else
		$SET_WCOL
		print_status warning not_running
	fi
}

reloadproc()
{
	if [ $# = 0 ]
	then
		echo "Usage: reloadproc {program} [signal]"
		exit 1
	fi

	if [ -z "$2" ]; then
		signal=HUP
	else
		signal=${2##-}
		signal=${signal##SIG}

	fi

	getpids $1

	if [ -n "$pidlist" ]
	then
		failure=0

		for pid in $pidlist
		do
			kill -$signal $pid || failure=1
		done

		(exit $failure)
		evaluate_retval
	else
		$SET_WCOL
		print_status warning not_running
	fi
}

statusproc()
{
	if [ $# = 0 ]
	then
		echo "Usage: statusproc {program}"
		exit 1
	fi

	base=${1##*/}
	getpids $base

	if [ -n "$pidlist" ]
	then
		echo "$base is running with Process ID(s) $pidlist"
	else
		if [ -s /var/run/$base.pid ]
		then
			echo "$1 is not running but /var/run/$base.pid exists"
			return 1
		else
			echo "$1 is not running"
	 	fi
	fi
}

progressbar()
{
	if [ $# != 1 ]
	then
		echo "Usage: progressbar {progress}"
		exit 1
	fi

	if [ -f /proc/splash ]
	then
		echo "show $(( 65534 * $1 / 100 ))" > /proc/splash
	fi
}

# End $rc_base/init.d/functions
1	#!/bin/bash
2	# Begin $rc_base/init.d/functions - Run Level Control Functions
3
4	# Based on functions script from LFS-3.1 and earlier.
5	# Rewritten by Gerard Beekmans - gerard@linuxfromscratch.org
6
7	# With code based on Matthias Benkmann's simpleinit-msb @
8	# http://winterdrache.de/linux/newboot/index.html
9
10	umask 022
11
12	export PATH="/bin:/usr/bin:/sbin:/usr/sbin"
13
14	KILLDELAY=3
15
16	COLUMNS=$(stty size)
17	COLUMNS=${COLUMNS##* }
18	COL=$[ $COLUMNS - 10 ]
19	WCOL=$[ $COLUMNS - 30 ]
20	WWCOL=$[ $COLUMNS - 40 ]
21	SET_COL="echo -en \\033[${COL}G"
22	SET_WCOL="echo -en \\033[${WCOL}G"
23	SET_WWCOL="echo -en \\033[${WWCOL}G"
24	CURS_UP="echo -en \\033[A"
25
26	NORMAL="echo -en \\033[0;39m"
27	SUCCESS="echo -en \\033[1;32m"
28	WARNING="echo -en \\033[1;33m"
29	FAILURE="echo -en \\033[1;31m"
30
31	COLRED="\033[1;6m\033[31m"
32	COLGREEN="\033[1;6m\033[32m"
33	COLYELLOW="\033[1;6m\033[33m"
34	COLBLUE="\033[1;6m\033[34m"
35	COLMAGENTA="\033[1;6m\033[35m"
36	COLWHITE="\033[1;6m\033[37m"
37	COLDEFAULT="\033[0m"
38
39	COLOREDSTAR="${COLBLUE}(${COLGREEN}*${COLBLUE})${COLDEFAULT} "
40
41	print_error_msg()
42	{
43	return 0
44
45	echo
46	$FAILURE
47	echo -e " An Error occurred."
48	echo -e " Script: ${COLWHITE}$i${COLRED}"
49	echo -e " Exitcode: ${COLWHITE}$error_value${COLRED}"
50	echo
51	$NORMAL
52	echo
53	echo "Press Enter to continue..."
54	read
55	}
56
57	check_script_status()
58	{
59	if [ ! -f $i ]
60	then
61	echo "$i is not a valid symlink"
62	continue
63	fi
64
65	if [ ! -x $i ]
66	then
67	echo "$i is not executable, skipping"
68	continue
69	fi
70	}
71
72	evaluate_retval()
73	{
74	error_value=$?
75
76	if [ $error_value = 0 ]
77	then
78	print_status success
79	else
80	print_status failure
81	fi
82
83	return $error_value
84	}
85
86	print_status()
87	{
88	if [ $# = 0 ]
89	then
90	echo "Usage: $0 {success\|warning\|failure}"
91	return 1
92	fi
93
94	$CURS_UP
95
96	case "$1" in
97	success)
98	$SET_COL
99	echo -e -n $COLBLUE"[ "
100	$SUCCESS
101	echo -e -n "OK"
102	echo -e $COLBLUE" ]"
103	$NORMAL
104	;;
105	warning)
106	case "$2" in
107	running)
108	$SET_WCOL
109	echo "Already running"
110	$CURS_UP
111	;;
112	not_running)
113	$SET_WCOL
114	echo "Not running"
115	$CURS_UP
116	;;
117	esac
118	$SET_COL
119	echo -e -n $COLBLUE"[ "
120	$WARNING
121	echo -e -n "ATTN"
122	echo -e $COLBLUE" ]"
123	$NORMAL
124	;;
125	failure)
126	$SET_COL
127	echo -e -n $COLBLUE"["
128	$FAILURE
129	echo -e -n "FAILED"
130	echo -e $COLBLUE"]"
131	$NORMAL
132	;;
133	esac
134	}
135
136	getpids()
137	{
138	base=${1##*/}
139	pidlist=$(pidof -o $$ -o $PPID -x $base)
140	}
141
142	loadproc()
143	{
144	if [ $# = 0 ]
145	then
146	echo "Usage: loadproc {program}"
147	exit 1
148	fi
149
150	getpids $1
151
152	if [ -z "$pidlist" ]
153	then
154	"$@"
155	evaluate_retval
156	else
157	$SET_WCOL
158	print_status warning running
159	fi
160	}
161
162	killproc()
163	{
164	if [ $# = 0 ]
165	then
166	echo "Usage: killproc {program} [signal]"
167	exit 1
168	fi
169
170	if [ -z "$2" ]; then
171	signal=TERM
172	fallback=KILL
173	else
174	signal=${2##-}
175	signal=${signal##SIG}
176	fallback=""
177	fi
178
179	getpids $1
180
181	if [ -n "$pidlist" ]; then
182	failure=0
183
184	for pid in $pidlist
185	do
186	kill -$signal $pid 2>/dev/null
187
188	for ((i=0; $i<5000; i=$i+1)); do :; done
189
190	for ((i=0; $i<$KILLDELAY; i=$i+1)); do
191	kill -0 $pid 2>/dev/null \|\| break
192	sleep 1
193	done
194
195	if [ -n "$fallback" ]; then kill -$fallback $pid 2>/dev/null; fi
196
197	kill -0 $pid 2>/dev/null && failure=1
198	done
199
200	base=${1##*/}
201	if [ $failure = 0 ]; then rm -f /var/run/$base.pid; fi
202
203	(exit $failure)
204	evaluate_retval
205	else
206	$SET_WCOL
207	print_status warning not_running
208	fi
209	}
210
211	reloadproc()
212	{
213	if [ $# = 0 ]
214	then
215	echo "Usage: reloadproc {program} [signal]"
216	exit 1
217	fi
218
219	if [ -z "$2" ]; then
220	signal=HUP
221	else
222	signal=${2##-}
223	signal=${signal##SIG}
224
225	fi
226
227	getpids $1
228
229	if [ -n "$pidlist" ]
230	then
231	failure=0
232
233	for pid in $pidlist
234	do
235	kill -$signal $pid \|\| failure=1
236	done
237
238	(exit $failure)
239	evaluate_retval
240	else
241	$SET_WCOL
242	print_status warning not_running
243	fi
244	}
245
246	statusproc()
247	{
248	if [ $# = 0 ]
249	then
250	echo "Usage: statusproc {program}"
251	exit 1
252	fi
253
254	base=${1##*/}
255	getpids $base
256
257	if [ -n "$pidlist" ]
258	then
259	echo "$base is running with Process ID(s) $pidlist"
260	else
261	if [ -s /var/run/$base.pid ]
262	then
263	echo "$1 is not running but /var/run/$base.pid exists"
264	return 1
265	else
266	echo "$1 is not running"
267	fi
268	fi
269	}
270
271	progressbar()
272	{
273	if [ $# != 1 ]
274	then
275	echo "Usage: progressbar {progress}"
276	exit 1
277	fi
278
279	if [ -f /proc/splash ]
280	then
281	echo "show $(( 65534 * $1 / 100 ))" > /proc/splash
282	fi
283	}
284
285	# End $rc_base/init.d/functions