Closed
Description
Here is a minimal reproduction for this issue:
from twisted.internet.task import react
from twisted.internet.defer import ensureDeferred
import txtorcon
EXIT_RELAY_FP = [
'130CFCF38BA3327E3001A1DB2A4B5ACBDAE248D9', # this triggers the getinfo fail
'127F6358F68FFB7E437DBA51D6D4DAC47B9F78A7',
]
async def main(reactor):
try:
tor = await txtorcon.launch(
reactor,
kill_on_stderr=False,
progress_updates=lambda x, y, z: print(f"{x}%: {y} - {z}"),
)
except Exception as exc:
print(f"FAILED to start tor {exc}")
return
state = await tor.create_state()
for exit_fp in EXIT_RELAY_FP:
print(f"doing {exit_fp}")
try:
print("calling GETINFO")
info = await tor.protocol.get_info("md/id/" + exit_fp)
print(f"got {info}")
except Exception as exc:
print(f"FAILED to get info for {exit_fp} {exc}")
@react
def _main(reactor):
return ensureDeferred(main(reactor))You can see that the last log lines are:
doing 130CFCF38BA3327E3001A1DB2A4B5ACBDAE248D9
calling GETINFO
FAILED to get info for 130CFCF38BA3327E3001A1DB2A4B5ACBDAE248D9 Tor unexpectedly disconnected while running: GETINFO md/id/130CFCF38BA3327E3001A1DB2A4B5ACBDAE248D9
doing 127F6358F68FFB7E437DBA51D6D4DAC47B9F78A7
calling GETINFO
Unhandled Error
Traceback (most recent call last):
Failure: builtins.RuntimeError: Tor exited with error-code 0
Where we are waiting on the tor.protocol.get_info("md/id/" + exit_fp) call.
I would expect to either get an errback, because the process is dead or have some other way to tell that I should not be calling it.
It would also be nice to be able to somehow know that tor has exited this way, as it's currently not possible to listen for the "tor exited" event.
This probably is also a tor bug, as it should not happen that the tor process exits when issuing this specific get_info command.