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Socket: make setTimeout catch errors.

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setTimeout may be called as a supybot.drivers.poll callback,
which may by the access to supybot.drivers.poll() in _select;
so a crash in setTimeout will propage up to _run(), which would
cause a random driver to be killed because another one failed
and that's bad.

For example:

INFO 2020-05-27T18:40:18 supybot Received SIGHUP, reloading configuration.
ERROR 2020-05-27T18:40:19 supybot Uncaught exception in in drivers.run:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/supybot/drivers/__init__.py", line 104, in run
    driver.run()
  File "/usr/lib/python3/dist-packages/supybot/drivers/Socket.py", line 194, in run
    self._select()
  File "/usr/lib/python3/dist-packages/supybot/drivers/Socket.py", line 167, in _select
    [], [], conf.supybot.drivers.poll())
  File "/usr/lib/python3/dist-packages/supybot/registry.py", line 422, in __call__
    self.set(_cache[self._name])
  File "/usr/lib/python3/dist-packages/supybot/registry.py", line 476, in set
    self.setValue(float(s))
  File "/usr/lib/python3/dist-packages/supybot/registry.py", line 495, in setValue
    super(PositiveFloat, self).setValue(v)
  File "/usr/lib/python3/dist-packages/supybot/registry.py", line 482, in setValue
    super(Float, self).setValue(float(v))
  File "/usr/lib/python3/dist-packages/supybot/registry.py", line 385, in setValue
    callback(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/supybot/drivers/Socket.py", line 305, in setTimeout
    self.conn.settimeout(conf.supybot.drivers.poll())
OSError: [Errno 9] Bad file descriptor
ERROR 2020-05-27T18:40:19 supybot Exception id: 0x86ecf
INFO 2020-05-27T18:40:21 supybot Removing driver SocketDriver(Irc object for irchaven).
This commit is contained in:
Valentin Lorentz 2020-05-29 19:44:54 +02:00
parent fabe8a284e
commit d9b1d1f49d
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/drivers/Socket.py
View File

@ -326,7 +326,10 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
self._instances.append(self)
def setTimeout():
self.conn.settimeout(conf.supybot.drivers.poll())
try:
self.conn.settimeout(conf.supybot.drivers.poll())
except Exception:
drivers.log.exception('Could not set socket timeout:')
def _checkAndWriteOrReconnect(self):
self.writeCheckTime = None