#!/usr/bin/python
#polls the hobbit server for ghost clients.  If it finds ghosts it will make a new bb-hosts file 
#with the new clients. 
#Will not add duplicate clients
#return code of 0 means a new file was written, anything else is an error or no inserts occured
import urllib2
import string
import sys


def readbb():
	global bblist
	try:
		infile = open('/data/srv/hobbit/etc/bb-hosts', 'r')
	except(IOError), e:
	  print "couldn't open bb-hosts file"
       	  sys.exit(1)
    	else:
    		bblist = infile.readlines()
		infile.close()


def findghosts():
	global infile
	global bblist
	global ghostitems
	global numberitems
	try:
		f = urllib2.urlopen("http://localhost/hobbit/hobbit-cgi/hobbit-ghosts.sh?SORT=name&MAXAGE=300&TEXT")
	except urllib2.HTTPError, e:
		if e.code != 200:
			print 'error find ghost list'
			sys.exit(1)
	else:
		ghostitems = f.readlines()
		f.close()
		numberitems = len(ghostitems)
		

def makenewbb():
	global bblist
	global ghostitems
	global numberitems
	global numinserts
	numinserts=0
	outlist = []
	for item in bblist:
		if item not in outlist:
			outlist.append(item)
	
	for item in ghostitems:
		line = item.rstrip()
		nline = "%s #func" % (line)
		nline = nline + '\n'
		if nline not in outlist:
			outlist.append(nline)
			print "adding: " + nline
			numinserts = numinserts + 1
	if numinserts > 0:
		outfile = open("/data/srv/hobbit/etc/bb-hosts","w")
		#outfile = open("/tmp/new-bb","w")
		for i in outlist:
			outfile.write(i + '\n' )
		outfile.close


global infile
global bblist
global ghostitems
global numberitems
global numinserts

readbb()
findghosts()
print numberitems
if numberitems > 0:
	makenewbb()
else:
	print "nothing to add"
	
	
if numinserts < 1:
	sys.exit(1)
else:
	sys.exit(0)