mirror of
https://github.com/jlu5/PyLink.git
synced 2024-11-27 13:09:23 +01:00
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
"""
|
|
Socket handling driver using the selectors module. epoll, kqueue, and devpoll
|
|
are used internally when available.
|
|
"""
|
|
|
|
import selectors
|
|
import threading
|
|
|
|
from pylinkirc import world
|
|
from pylinkirc.log import log
|
|
|
|
SELECT_TIMEOUT = 0.5
|
|
|
|
selector = selectors.DefaultSelector()
|
|
|
|
def _process_conns():
|
|
"""Main loop which processes connected sockets."""
|
|
|
|
while not world.shutting_down.is_set():
|
|
for socketkey, mask in selector.select(timeout=SELECT_TIMEOUT):
|
|
irc = socketkey.data
|
|
try:
|
|
if mask & selectors.EVENT_READ and not irc._aborted.is_set():
|
|
irc._run_irc()
|
|
except:
|
|
log.exception('Error in select driver loop:')
|
|
continue
|
|
|
|
def register(irc):
|
|
"""
|
|
Registers a network to the global selectors instance.
|
|
"""
|
|
log.debug('selectdriver: registering %s for network %s', irc._socket, irc.name)
|
|
selector.register(irc._socket, selectors.EVENT_READ, data=irc)
|
|
|
|
def unregister(irc):
|
|
"""
|
|
Removes a network from the global selectors instance.
|
|
"""
|
|
if irc._socket.fileno() != -1:
|
|
log.debug('selectdriver: de-registering %s for network %s', irc._socket, irc.name)
|
|
selector.unregister(irc._socket)
|
|
else:
|
|
log.debug('selectdriver: skipping de-registering %s for network %s', irc._socket, irc.name)
|
|
|
|
def start():
|
|
"""
|
|
Starts a thread to process connections.
|
|
"""
|
|
t = threading.Thread(target=_process_conns, name="Selector driver loop")
|
|
t.start()
|