def doRestartUDPSession(self, arg):
idurl = arg
ident = contacts.getContact(idurl)
if ident is None:
return
address = ident.getProtoContact('udp')
if address is None:
return
try:
ip, port = address[6:].split(':')
address = (ip, int(port))
except:
dhnio.DprintException()
return
address_local = self.remapAddress(address)
for sess in transport_udp_session.sessions():
if sess.remote_idurl is not None and sess.remote_idurl == idurl and \
( sess.remote_address[0] == address[0] or sess.remote_address[0] == address_local[0] ) and \
( sess.remote_address[1] != address[1] or sess.remote_address[1] != address_local[1] ):
self.addRedirection(sess.remote_address, address_local)
sess.automat('shutdown')
dhnio.Dprint(8, 'transport_udp.doRestartUDPSession "shutdown" to %s with [%s]' % (sess.name, nameurl.GetName(idurl)))
def start_session(address_local, idurl):
sess = transport_udp_session.open_session(address_local)
dhnio.Dprint(8, 'transport_udp.doRestartUDPSession.start_session send "init" to %s with [%s]' % (sess.name, nameurl.GetName(idurl)))
sess.automat('init', idurl)
reactor.callLater(1, start_session, address_local, idurl)
def doCloseDuplicatedUDPSession(self, arg):
index, idurl = arg
current_session = transport_udp_session.get_session_by_index(index)
if current_session is None:
dhnio.Dprint(6, 'transport_udp.doCloseDuplicatedUDPSession WARNING current session is None index=%d' % index)
return
for sess in transport_udp_session.sessions():
if sess.index == index:
continue
if sess.remote_idurl is not None and sess.remote_idurl == idurl:
self.addRedirection(sess.remote_address, current_session.remote_address)
sess.automat('shutdown')
dhnio.Dprint(8, 'transport_udp.doCloseDuplicatedUDPSession for [%s], redirect to %s, send "shutdown" to %s' % (
nameurl.GetName(idurl), current_session.name, sess.name))
def isIPPortChanged(self, arg):
idurl = arg
ident = contacts.getContact(idurl)
if ident is None:
return False
address = ident.getProtoContact('udp')
if address is None:
return False
try:
ip, port = address[6:].split(':')
address = (ip, int(port))
except:
dhnio.DprintException()
return False
address_local = self.remapAddress(address)
found = False
for sess in transport_udp_session.sessions():
if sess.remote_idurl is not None and \
sess.remote_idurl == idurl and \
( sess.remote_address[0] == address[0] or sess.remote_address[0] == address_local[0] ) and \
( sess.remote_address[1] != address[1] and sess.remote_address[1] != address_local[1] ):
found = True
dhnio.Dprint(6, 'transport_udp.isIPPortChanged found related session %s with [%s]' % (sess.name, sess.remote_name))
return found