#!/bin/sh
# -*- sh -*-
#
# Plugin to monitor NFS client traffic
#
#%# family=auto
#%# capabilities=autoconf

NFS=/proc/net/rpc/nfs

proc="getattr setattr lookup access readlink read write create mkdir symlink mknod remove rmdir rename link readdir readdirplus fsstat fsinfo pathconf commit"

if [ "$1" = "autoconf" ]; then
	if [ -x "$NFS" ]; then
		echo yes
		exit 0
	else
		echo no
		exit 1
	fi
fi

if [ "$1" = "config" ]; then

	echo 'graph_title NFS Client'
	echo 'graph_args --base 1000 -l 0'
	echo 'graph_vlabel requests / ${graph_period}'
	echo 'graph_total total'
	echo 'graph_category NFS'
	for a in $proc ; do echo "$a.label $a" ; echo "$a.type DERIVE"; echo "$a.min 0"; done
	exit 0
fi

awk '/proc3/ {
    split("'"$proc"'", names)
    split($0,values)
    for (e in names) {
        printf("%s.value %d\n", names[++i], values[i+3]);
    }
}' $NFS

