def _do_operation(self, operation, flag, func, args, kwargs):
# loop until we get a response from the operation
while ioloop._go:
try:
ret = func(*args, **kwargs)
break
except __socket__.error, e:
if operation == 'connect' and e.errno == errno.EISCONN: # transport endpoint is connected
return
if (e.errno != errno.EWOULDBLOCK #Resource temporarily unavailable
and e.errno != errno.EINPROGRESS #Operation now in progress
and e.errno != errno.EALREADY
# and e.errno != errno.EMFILE #Too many open files
): #Too many open files
raise
log.debug("Asynchronous socket is not ready for %r %r %r", operation, self, e)
ioloop.coreloop().register(self.fileno(), flag)
try:
# loop until we don't get a noop (which means we should be ready for our operation)
while True:
ret = ioloop.coreloop().switch()
if ioloop.IDLE and ret is ioloop.noop:
log.debug("noop")
continue
break
finally:
ioloop.coreloop().unregister(self.fileno(), flag)
if operation == 'connect':# and e.errno != errno.EMFILE:
# We don't want to retry connecting, so just return now
return
def main(num=1000, forever=False):
while True:
gls = []
for i in xrange(num):
while True:
try:
s = socket()
except pysocket.error, e:
if e.errno != 24:
raise
ioloop.coreloop().switch()
else:
break
s.connect(("127.0.0.1", 2424))
gl = greenlet.greenlet(recvall)
gls.append((i, s, gl))
gl.switch(s, i)
while gls:
for i, s, gl in gls:
if gl.dead:
gls.remove((i, s, gl))
else:
gl.switch()
if not forever:
break
def timer():
import threading
t = threading.current_thread()
if t not in _timerloops:
l = timerloop(ioloop.coreloop())
_timerloops[t] = l
return _timerloops[t]
