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mcastmngr: add support for stats

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ubus call added to fetch igmp stats, format is,
ubus call mcast stats

Sample output:

root@iopsys:~# ubus call mcast stats
{
	"snooping": [
		{
			"interface": "br-lan",
			"groups": [
				{
					"group_address": "225.10.10.20",
					"associated_devices": [
						{
							"host_address": "192.168.1.152",
							"source_interface": "eth1",
							"timeout": "258"
						}
					]
				},
				{
					"group_address": "225.10.10.2",
					"associated_devices": [
						{
							"host_address": "192.168.1.146",
							"source_interface": "eth0",
							"timeout": "259"
						}
					]
				}
			]
		}
	]
}
This commit is contained in:
Rahul 2020-06-14 11:42:50 +05:30
parent d43113a471
commit 098f3340b1
2 changed files with 141 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

123
mcastmngr/files/lib/mcast/broadcom.sh
View file

@ -402,3 +402,126 @@ configure_mcast() {
configure_mcpd
}
read_mcast_stats() {
cat /proc/net/igmp_snooping > /tmp/igmp_stats
local mcast_addrs=""
local ifaces=""
while read line; do
# reading each line
case $line in
br-*)
found_iface=0
snoop_iface="$(echo $line | awk -F ' ' '{ print $1 }')"
if [ -z "$ifaces" ]; then
ifaces="$snoop_iface"
continue
fi
IFS=" "
for ifx in $ifaces; do
if [ $ifx == $snoop_iface ]; then
found_iface=1
break
fi
done
if [ $found_iface -eq 0 ]; then
ifaces="$ifaces $snoop_iface"
continue
fi
;;
esac
done < /tmp/igmp_stats
while read line; do
# reading each line
case $line in
br-*)
found_ip=0
grp_ip="$(echo $line | awk -F ' ' '{ print $9 }')"
if [ -z "$mcast_addrs" ]; then
mcast_addrs="$grp_ip"
continue
fi
IFS=" "
for ip_addr in $mcast_addrs; do
if [ $ip_addr == $grp_ip ]; then
found_ip=1
break
fi
done
if [ $found_ip -eq 0 ]; then
mcast_addrs="$mcast_addrs $grp_ip"
continue
fi
;;
esac
done < /tmp/igmp_stats
json_init
json_add_array "snooping"
json_add_object ""
IFS=" "
for intf in $ifaces; do
while read line; do
# reading each line
case $line in
br-*)
snoop_iface="$(echo $line | awk -F ' ' '{ print $1 }')"
if [ "$snoop_iface" != "$intf" ]; then
continue
fi
json_add_string "interface" "$intf"
json_add_array "groups"
break
;;
esac
done < /tmp/igmp_stats
IFS=" "
for gip_addr in $mcast_addrs; do
grp_obj_added=0
while read line; do
# reading each line
case $line in
br-*)
snoop_iface="$(echo $line | awk -F ' ' '{ print $1 }')"
if [ "$snoop_iface" != "$intf" ]; then
continue
fi
grp_ip="$(echo $line | awk -F ' ' '{ print $9 }')"
if [ "$grp_ip" != "$gip_addr" ]; then
continue
fi
if [ $grp_obj_added -eq 0 ]; then
json_add_object ""
gip="$(ipcalc.sh $gip_addr | grep IP | awk '{print substr($0,4)}')"
json_add_string "group_address" "$gip"
json_add_array "associated_devices"
grp_obj_added=1
fi
json_add_object ""
host_ip="$(echo $line | awk -F ' ' '{ print $13 }')"
h_ip="$(ipcalc.sh $host_ip | grep IP | awk '{print substr($0,4)}')"
json_add_string "host_address" "$h_ip"
src_port="$(echo $line | awk -F ' ' '{ print $2 }')"
json_add_string "source_interface" "$src_port"
timeout="$(echo $line | awk -F ' ' '{ print $14 }')"
json_add_string "timeout" "$timeout"
json_close_object #close the associated device object
;;
esac
done < /tmp/igmp_stats
json_close_array #close the associated devices array
json_close_object # close the groups object
done # close the loop for group addresses
json_close_array #close the groups array
done # close the loop for interfaces
json_close_object # close the snooping object
json_close_array # close the snooping array
json_dump
}

18
mcastmngr/files/usr/libexec/rpcd/mcast Executable file
View file

@ -0,0 +1,18 @@
#!/bin/sh
. /usr/share/libubox/jshn.sh
. /lib/functions.sh
include /lib/mcast
case "$1" in
list)
echo '{ "stats":{} }'
;;
call)
case "$2" in
stats)
read_mcast_stats
;;
esac
;;
esac