def __init__(self, arg, value, fetcher=None, compatibility=None, transform_label=True, parent=None):
ArgDataBase.__init__(self, arg, value, fetcher, compatibility, transform_label, parent)
self.info_area = InfoArea(parent)
class ArgDataIP(ArgDataBase):
DNS_CACHE = {}
def __init__(self, arg, value, fetcher=None, compatibility=None, transform_label=True, parent=None):
ArgDataBase.__init__(self, arg, value, fetcher, compatibility, transform_label, parent)
self.info_area = InfoArea(parent)
def resolve(self):
if self.label in ArgDataIP.DNS_CACHE:
return
self.fetcher.client.async().call('ufwi_log', 'resolveReverseDNS', self.label, callback=lambda x: self.resolved(self.label, x),
errback=lambda x: self.resolveFailed(self.label))
def resolved(self, ip, dns):
ArgDataIP.DNS_CACHE[self.label] = dns
self.label = dns
self.emit(SIGNAL('label_changed'))
def resolveFailed(self, ip):
try:
message = unicode(self.tr("Unable to resolve %s")) % self.label
self.info_area.setText(message)
except RuntimeError:
return # probably closing
def printip(self):
if self.label in ArgDataIP.DNS_CACHE.values():
for key in ArgDataIP.DNS_CACHE:
if ArgDataIP.DNS_CACHE[key] == self.label:
del ArgDataIP.DNS_CACHE[key]
break
self.emit(SIGNAL('label_changed'))
def actions(self):
# Is label an already computed reverse DNS name ?
if self.label in ArgDataIP.DNS_CACHE.values() and self.label not in ArgDataIP.DNS_CACHE:
resolveAction = QAction(tr('Switch to IP address mode'), None)
resolveAction.connect(resolveAction, SIGNAL('triggered()'), self.printip)
else:
resolveAction = QAction(tr('Resolve reverse DNS'), None)
resolveAction.connect(resolveAction, SIGNAL('triggered()'), self.resolve)
return [resolveAction]
def ip2str(self, ip): return ip
def _get_label(self):
ipaddr = self.ip2str(self.label)
try:
dns = ArgDataIP.DNS_CACHE[ipaddr]
if dns:
return dns
else:
return ipaddr
except KeyError:
try:
ip = IP(ipaddr)
except ValueError:
pass
else:
# FIXME this timer usage is responsible for the interface to get stuck
# on packet list page during 10 sec
# Regit: I desactivate RDNS by default
# Do not try to resolve *.0 and *.255 IP addresses.
if False and ip.version() == 4 and not (ip.int() & 0xff) in (0, 255):
#if ip.version() == 4 and not (ip.int() & 0xff) in (0,255):
# TODO add an option to activate the auto resolution
QTimer.singleShot(random.randint(0, 4000), self.resolve)
return ipaddr
