global string
import string

class dstat_nfs3(dstat):
	def __init__(self):
		self.name = 'nfs3 client'
		self.format = ('d', 5, 1000)
		self.open('/proc/net/rpc/nfs')
		self.vars = ('read', 'write', 'readdir', 'inode', 'filesystem', 'commit')
		self.nick = ('read', 'writ', 'rdir', 'inod', 'fs', 'cmmt')
		self.init(self.vars, 1)
		info(1, 'Module dstat_nfs3 is still experimental.')

	def extract(self):
		self.fd.seek(0)
		for line in self.fd.readlines():
			l = line.split()
			if not l or l[0] != 'proc3': continue
			self.cn2['read'] = long(l[8])
			self.cn2['write'] = long(l[9])
			self.cn2['readdir'] = long(l[17]) + long(l[18])
			self.cn2['inode'] = long(l[3]) + long(l[4]) + long(l[5]) + long(l[6]) + long(l[7]) + long(l[10]) + long(l[11]) + long(l[12]) + long(l[13]) + long(l[14]) + long(l[15]) + long(l[16])
			self.cn2['filesystem'] = long(l[19]) + long(l[20]) + long(l[21])
			self.cn2['commit'] = long(l[22])
		for name in self.vars:
			self.val[name] = (self.cn2[name] - self.cn1[name]) * 1.0 / tick
		if step == op.delay:
			self.cn1.update(self.cn2)

# vim:ts=4:sw=4