open.source/magic-wormhole
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

twisted.transit: tolerate the lack of a listener

Browse Source 
In Tor mode, there is no local listener. Eventually we'll add an Onion
Service listener, but it's not guaranteed that we can run one.
This commit is contained in:
Brian Warner 2016-03-03 12:24:58 -08:00
parent 8d92b40139
commit 08a5e6043a
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/wormhole/twisted/transit.py
View File

@ -504,6 +504,10 @@ class Common:
# listener will win. # listener will win.
self._my_direct_hints, self._listener = self._build_listener() self._my_direct_hints, self._listener = self._build_listener()
if self._listener is None: # don't listen
self._listener_d = None
return defer.succeed(self._my_direct_hints) # empty
# Start the server, so it will be running by the time anyone tries to # Start the server, so it will be running by the time anyone tries to
# connect to the direct hints we return. # connect to the direct hints we return.
f = InboundConnectionFactory(self) f = InboundConnectionFactory(self)
@ -617,6 +621,7 @@ class Common:
# have any viable direct hints, then they're either going to succeed # have any viable direct hints, then they're either going to succeed
# quickly or hang for a long time. # quickly or hang for a long time.
contenders = [] contenders = []
if self._listener_d:
contenders.append(self._listener_d) contenders.append(self._listener_d)
relay_delay = 0 relay_delay = 0