def demux(self, source, sourcePort, destination, destinationPort, data):
logger.debug("{} received {} bytes of data from {}:{} for {}:{}".format(self, len(data), source, sourcePort, destination, destinationPort))
for dumper in self._dumps:
dumpPacket = WirePacket(source=source, sourcePort=sourcePort,
destination=destination, destinationPort=destinationPort,
data=data)
dumper.transport.write(dumpPacket.__serialize__())
remotePortKey = PortKey(source, sourcePort, destination, destinationPort)
# this portkey is backwards. The source is from the remote machine
# but our ports have the remote machine being the destination.
# So, invert:
localPortKey = remotePortKey.inverseKey()
# Check if the full port key is already in connections. If so, we're all done
if localPortKey in self._connections:
self._connections[localPortKey].write(data)
return
# If there's no port key in connections, check for listening port.
listeningPort = localPortKey.sourcePort
if listeningPort in self._ports and self._ports[listeningPort].isListener():
# We have a new connection. Spawn.
# use a controlled port so that if the listening port is closed,
# all of the spawned ports are closed.
self._connections[localPortKey] = ConnectionData(localPortKey, self._ports[listeningPort])
self._connections[localPortKey].write(data)
self._ports[listeningPort].spawnConnection(localPortKey)
else:
pass # drop? Fail silently?
def demux(self, source, sourcePort, destination, destinationPort, data):
remotePortKey = PortKey(source, sourcePort, destination,
destinationPort)
# this portkey is backwards. The source is from the remote machine
# but our ports have the remote machine being the destination.
# So, invert:
localPortKey = remotePortKey.inverseKey()
# Check if the full port key is already in connections. If so, we're all done
if localPortKey in self._connections:
self._connections[localPortKey].write(data)
return
# If there's no port key in connections, check for listening port.
listeningPort = localPortKey.sourcePort
if listeningPort in self._ports and self._ports[
listeningPort].isListener():
# We have a new connection. Spawn.
# use a controlled port so that if the listening port is closed,
# all of the spawned ports are closed.
self._connections[localPortKey] = ConnectionData(
localPortKey, self._ports[listeningPort])
self._connections[localPortKey].write(data)
self._ports[listeningPort].spawnConnection(localPortKey)
else:
pass # drop? Fail silently?