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py-i2phosts-checker: implement multiple lookup tries

Many hosts are not resolved with first lookup b32->b64, but if we query
2nd time, host can be resolved. Because of this, some registered hosts
may be never seen while they actually up!
pull/1/head
Hidden Z 11 years ago
parent
commit
ca831b2d45
  1. 6
      bin/py-i2phosts-checker
  2. 2
      conf/checker.conf

6
bin/py-i2phosts-checker

@ -24,6 +24,7 @@ args = parser.parse_args() @@ -24,6 +24,7 @@ args = parser.parse_args()
spec = '''
log_file = string(default='/var/log/py-i2phosts/master.log')
log_level = option('debug', 'info', 'warning', 'error', 'critical', default='info')
lookup_retries = integer(1, 20, default=2)
'''
spec = spec.split('\n')
config = configobj.ConfigObj(args.config_file, configspec=spec)
@ -91,16 +92,17 @@ for host in all_hosts: @@ -91,16 +92,17 @@ for host in all_hosts:
b32dest = get_b32(dest)
# do name lookup query with b32 address
# it success only if host is alive
for i in range(config['lookup_retries']):
s.send('lookup %s\n' % b32dest)
data = f.readline().rstrip('\n')
if data == 'ERROR Address Not found.':
log.debug('%s: unable to resolve', host.name)
continue
log.debug('%s: unable to resolve, try: %s', host.name, i)
elif data == 'OK ' + host.b64hash:
log.info('alive host: %s', host.name)
# update lastseen timestamp
host.last_seen = datetime.datetime.utcnow()
host.save()
break
else:
log.warning('unexpected reply: %s', data)
s.close()

2
conf/checker.conf

@ -4,3 +4,5 @@ log_level = info # debug, info, warning, error, critical @@ -4,3 +4,5 @@ log_level = info # debug, info, warning, error, critical
log_file = /var/log/py-i2phosts/checker.log
bob_addr = 127.0.0.1:2827
lookup_retries = 2

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