global glob
import glob

class dstat_postfix(dstat):
	def __init__(self):
		self.name = 'postfix'
		self.format = ('d', 4, 100)
		self.vars = ('incoming', 'active', 'deferred', 'bounce', 'defer')
		self.nick = ('inco', 'actv', 'dfrd', 'bnce', 'defr')
		self.init(self.vars, 1)

	def check(self): 
		if not os.access('/var/spool/postfix/active', os.R_OK):
			raise Exception, 'Module cannot access postfix queues'
		return True

	def extract(self):
		for item in self.vars:
			self.val[item] = len(glob.glob('/var/spool/postfix/'+item+'/*/*'))

# vim:ts=4:sw=4