def get_nat_type(self, callback=None):
""" Return the type of Network Address Translator (NAT) detected.
When a callback parameter is supplied it will always be
called. When the NAT-type is already known the callback will
be made instantly. Otherwise, the callback will be made when
the NAT discovery has finished.
The callback will be called by a popup thread which can be used
indefinitely (within reason) by the higher level code.
Return values:
"Blocked"
"Open Internet"
"Restricted Cone Firewall"
"Port Restricted Cone Firewall"
"Full Cone NAT"
"Restricted Cone NAT"
"Port Restricted Cone NAT"
"Symmetric NAT"
"Unknown NAT/Firewall"
@param callback Optional callback used to notify the NAT type
@return String
"""
# TODO: define constants in simpledefs for these
# Called by any thread
self.sesslock.acquire()
try:
from BaseLib.Core.NATFirewall.ConnectionCheck import ConnectionCheck
return ConnectionCheck.getInstance(self).get_nat_type(callback=callback)
finally:
self.sesslock.release()
def get_nat_type(self, callback=None):
""" Return the type of Network Address Translator (NAT) detected.
When a callback parameter is supplied it will always be
called. When the NAT-type is already known the callback will
be made instantly. Otherwise, the callback will be made when
the NAT discovery has finished.
The callback will be called by a popup thread which can be used
indefinitely (within reason) by the higher level code.
Return values:
"Blocked"
"Open Internet"
"Restricted Cone Firewall"
"Port Restricted Cone Firewall"
"Full Cone NAT"
"Restricted Cone NAT"
"Port Restricted Cone NAT"
"Symmetric NAT"
"Unknown NAT/Firewall"
@param callback Optional callback used to notify the NAT type
@return String
"""
# TODO: define constants in simpledefs for these
# Called by any thread
self.sesslock.acquire()
try:
from BaseLib.Core.NATFirewall.ConnectionCheck import ConnectionCheck
return ConnectionCheck.getInstance(self).get_nat_type(
callback=callback)
finally:
self.sesslock.release()
def gotDoNatCheckMessage(self, sender_permid, selversion, channel_id, payload, reply_callback):
"""
The handle-request callback
"""
self.doNatCheckSender = sender_permid
self.crawler_reply_callbacks.append(reply_callback)
try:
if DEBUG:
print >>sys.stderr,"NatCheckMsgHandler: start_nat_type_detect()"
conn_check = ConnectionCheck.getInstance(self.session)
conn_check.try_start(self.natthreadcb_natCheckReplyCallback)
except:
print_exc()
return False
return True
def gotDoNatCheckMessage(self, sender_permid, selversion, channel_id,
payload, reply_callback):
"""
The handle-request callback
"""
self.doNatCheckSender = sender_permid
self.crawler_reply_callbacks.append(reply_callback)
try:
if DEBUG:
print >> sys.stderr, "NatCheckMsgHandler: start_nat_type_detect()"
conn_check = ConnectionCheck.getInstance(self.session)
conn_check.try_start(self.natthreadcb_natCheckReplyCallback)
except:
print_exc()
return False
return True