diff options
Diffstat (limited to 'pysnmp/carrier/twisted/dgram/unix.py')
| -rw-r--r-- | pysnmp/carrier/twisted/dgram/unix.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/pysnmp/carrier/twisted/dgram/unix.py b/pysnmp/carrier/twisted/dgram/unix.py index 5dc84bd3..61ccff93 100644 --- a/pysnmp/carrier/twisted/dgram/unix.py +++ b/pysnmp/carrier/twisted/dgram/unix.py @@ -17,6 +17,7 @@ class UnixTransportAddress(str, AbstractTransportAddress): class UnixTwistedTransport(DgramTwistedTransport): addressType = UnixTransportAddress + _lport = None # AbstractTwistedTransport API @@ -27,7 +28,7 @@ class UnixTwistedTransport(DgramTwistedTransport): raise error.CarrierError(sys.exc_info()[1]) return self - def openServerMode(self, iface=None): + def openServerMode(self, iface): try: self._lport = reactor.listenUNIXDatagram(iface, self) except Exception: @@ -36,8 +37,10 @@ class UnixTwistedTransport(DgramTwistedTransport): return self def closeTransport(self): - d = self._lport.stopListening() - d and d.addCallback(lambda x: None) + if self._lport is not None: + d = self._lport.stopListening() + if d: + d.addCallback(lambda x: None) DgramTwistedTransport.closeTransport(self) UnixTransport = UnixTwistedTransport |