trunk/openslp/multicast_route_set.sh

#!/bin/sh

PING_OPTIONS_1='-c1 -w1'
PING_OPTIONS_2='-c1 -i1'
MULTICAST_ADDRESS='239.255.255.253'
TMP_FILE=/tmp/route.check
PING_ERROR_NO_ROUTE='unreachable'

MSG_FAILED_TO_FIND='Failed to Detect Multicast Route'
MSG_SUCCESS_ON_FIND='Multicast Route Enabled'
MSG_ADDING_ROUTE='Attempting to Add Multicast Route ...'
MSG_FAILED_TO_ADD=' FAILED - Route NOT Added.'
MSG_SUCCES_ON_ADD=' SUCCESS - Route Added.'

CMD_GET_INTERFACE="netstat -i | awk 'BEGIN{}(NR>2)&&(!/^lo*/){print \$1}'"
CMD_ADD_ROUTE="route add -net 224.0.0.0 netmask 240.0.0.0"

ping $PING_OPTIONS_1 $MULTICAST_ADDRESS 2> $TMP_FILE 1> /dev/null
if [ $? = 2 ]; then
	ping $PING_OPTIONS_2 $MULTICAST_ADDRESS 2> $TMP_FILE 1> /dev/null
fi

grep $PING_ERROR_NO_ROUTE $TMP_FILE > /dev/null 2>&1
err_unreachable_found=$?

#If errors, add route. Otherwise, do nothing
if [ -s $TMP_FILE ] && [ $err_unreachable_found = 0 ]; then 

	if [ $1 != 0 ]; then
		echo $MSG_FAILED_TO_FIND 
		echo $MSG_ADDING_ROUTE 
	fi

	$CMD_ADD_ROUTE `eval $CMD_GET_INTERFACE` > /dev/null 2>&1
	retval=$?
	if [ $1 != 0 ]; then

		if [ $retval = 0 ]; then
			echo $MSG_SUCCES_ON_ADD
		else
			echo $MSG_FAILED_TO_ADD
		fi
	fi
else
	if [ $1 != 0 ]; then
		echo $MSG_SUCCESS_ON_FIND
	fi
	retval=0
fi

rm -f $TMP_FILE # Clean up
exit $retval
1	#!/bin/sh
2
3	PING_OPTIONS_1='-c1 -w1'
4	PING_OPTIONS_2='-c1 -i1'
5	MULTICAST_ADDRESS='239.255.255.253'
6	TMP_FILE=/tmp/route.check
7	PING_ERROR_NO_ROUTE='unreachable'
8
9	MSG_FAILED_TO_FIND='Failed to Detect Multicast Route'
10	MSG_SUCCESS_ON_FIND='Multicast Route Enabled'
11	MSG_ADDING_ROUTE='Attempting to Add Multicast Route ...'
12	MSG_FAILED_TO_ADD=' FAILED - Route NOT Added.'
13	MSG_SUCCES_ON_ADD=' SUCCESS - Route Added.'
14
15	CMD_GET_INTERFACE="netstat -i \| awk 'BEGIN{}(NR>2)&&(!/^lo*/){print \$1}'"
16	CMD_ADD_ROUTE="route add -net 224.0.0.0 netmask 240.0.0.0"
17
18	ping $PING_OPTIONS_1 $MULTICAST_ADDRESS 2> $TMP_FILE 1> /dev/null
19	if [ $? = 2 ]; then
20	ping $PING_OPTIONS_2 $MULTICAST_ADDRESS 2> $TMP_FILE 1> /dev/null
21	fi
22
23	grep $PING_ERROR_NO_ROUTE $TMP_FILE > /dev/null 2>&1
24	err_unreachable_found=$?
25
26	#If errors, add route. Otherwise, do nothing
27	if [ -s $TMP_FILE ] && [ $err_unreachable_found = 0 ]; then
28
29	if [ $1 != 0 ]; then
30	echo $MSG_FAILED_TO_FIND
31	echo $MSG_ADDING_ROUTE
32	fi
33
34	$CMD_ADD_ROUTE `eval $CMD_GET_INTERFACE` > /dev/null 2>&1
35	retval=$?
36	if [ $1 != 0 ]; then
37
38	if [ $retval = 0 ]; then
39	echo $MSG_SUCCES_ON_ADD
40	else
41	echo $MSG_FAILED_TO_ADD
42	fi
43	fi
44	else
45	if [ $1 != 0 ]; then
46	echo $MSG_SUCCESS_ON_FIND
47	fi
48	retval=0
49	fi
50
51	rm -f $TMP_FILE # Clean up
52	exit $retval