本文整理汇总了Python中uselect.POLLHUP属性的典型用法代码示例。如果您正苦于以下问题：Python uselect.POLLHUP属性的具体用法？Python uselect.POLLHUP怎么用？Python uselect.POLLHUP使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类uselect的用法示例。
在下文中一共展示了uselect.POLLHUP属性的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: wait
# 需要导入模块: import uselect [as 别名]
# 或者: from uselect import POLLHUP [as 别名]
def wait(self, delay):
if DEBUG and __debug__:
log.debug("poll.wait(%d)", delay)
# We need one-shot behavior (second arg of 1 to .poll())
res = self.poller.ipoll(delay, 1)
#log.debug("poll result: %s", res)
# Remove "if res" workaround after
# https://github.com/micropython/micropython/issues/2716 fixed.
if res:
for sock, ev in res:
cb = self.objmap[id(sock)]
if ev & (select.POLLHUP | select.POLLERR):
# These events are returned even if not requested, and
# are sticky, i.e. will be returned again and again.
# If the caller doesn't do proper error handling and
# unregister this sock, we'll busy-loop on it, so we
# as well can unregister it now "just in case".
self.remove_reader(sock)
if DEBUG and __debug__:
log.debug("Calling IO callback: %r", cb)
if isinstance(cb, tuple):
cb[0](*cb[1])
else:
cb.pend_throw(None)
self.call_soon(cb) 示例2: read
# 需要导入模块: import uselect [as 别名]
# 或者: from uselect import POLLHUP [as 别名]
def read(self):
poll_events = self.poll.poll(0)
if not poll_events:
return
# Check the flag for connection hung up
if poll_events[0][1] & uselect.POLLHUP:
self.client_close = True
msg_bytes = None
try:
msg_bytes = self.ws.read()
except OSError:
self.client_close = True
# If no bytes => connection closed. See the link below.
# http://stefan.buettcher.org/cs/conn_closed.html
if not msg_bytes or self.client_close:
raise ClientClosedError()
return msg_bytes 示例3: wait
# 需要导入模块: import uselect [as 别名]
# 或者: from uselect import POLLHUP [as 别名]
def wait(self, delay):
if DEBUG and __debug__:
log.debug("poll.wait(%d)", delay)
# We need one-shot behavior (second arg of 1 to .poll())
res = self.poller.ipoll(delay, 1)
# log.debug("poll result: %s", res)
# Remove "if res" workaround after
# https://github.com/micropython/micropython/issues/2716 fixed.
if res:
for sock, ev in res:
cb = self.objmap[id(sock)]
if ev & (select.POLLHUP | select.POLLERR):
# These events are returned even if not requested, and
# are sticky, i.e. will be returned again and again.
# If the caller doesn't do proper error handling and
# unregister this sock, we'll busy-loop on it, so we
# as well can unregister it now "just in case".
self.remove_reader(sock)
if DEBUG and __debug__:
log.debug("Calling IO callback: %r", cb)
if isinstance(cb, tuple):
cb[0](*cb[1])
else:
cb.pend_throw(None)
self.call_soon(cb) 示例4: add_reader
# 需要导入模块: import uselect [as 别名]
# 或者: from uselect import POLLHUP [as 别名]
def add_reader(self, sock, cb, *args):
if DEBUG and __debug__:
log.debug("add_reader%s", (sock, cb, args))
# HACK This should read
# self._register(sock, select.POLLIN)
# Temporary workround for https://github.com/micropython/micropython/issues/5172
# The following is not compliant with POSIX or with the docs
self._register(sock, select.POLLIN | select.POLLHUP | select.POLLERR) # t35tB0t add HUP and ERR to force LWIP revents
if args:
self.rdobjmap[id(sock)] = (cb, args)
else:
self.rdobjmap[id(sock)] = cb 示例5: add_writer
# 需要导入模块: import uselect [as 别名]
# 或者: from uselect import POLLHUP [as 别名]
def add_writer(self, sock, cb, *args):
if DEBUG and __debug__:
log.debug("add_writer%s", (sock, cb, args))
# HACK Should read
# self._register(sock, select.POLLOUT)
# Temporary workround for https://github.com/micropython/micropython/issues/5172
# The following is not compliant with POSIX or with the docs
self._register(sock, select.POLLOUT | select.POLLHUP | select.POLLERR) # t35tB0t add HUP and ERR to force LWIP revents
if args:
self.wrobjmap[id(sock)] = (cb, args)
else:
self.wrobjmap[id(sock)] = cb 示例6: wait
# 需要导入模块: import uselect [as 别名]
# 或者: from uselect import POLLHUP [as 别名]
def wait(self, delay):
if DEBUG and __debug__:
log.debug("poll.wait(%d)", delay)
# We need one-shot behavior (second arg of 1 to .poll())
res = self.poller.ipoll(delay, 1)
#log.debug("poll result: %s", res)
for sock, ev in res:
if ev & select.POLLOUT:
cb = self.wrobjmap[id(sock)]
if cb is None:
continue # Not yet ready.
# Invalidate objmap: can get adverse timing in fast_io whereby add_writer
# is not called soon enough. Ignore poll events occurring before we are
# ready to handle them.
self.wrobjmap[id(sock)] = None
if ev & (select.POLLHUP | select.POLLERR):
# These events are returned even if not requested, and
# are sticky, i.e. will be returned again and again.
# If the caller doesn't do proper error handling and
# unregister this sock, we'll busy-loop on it, so we
# as well can unregister it now "just in case".
self.remove_writer(sock)
if DEBUG and __debug__:
log.debug("Calling IO callback: %r", cb)
if isinstance(cb, tuple):
cb[0](*cb[1])
else:
prev = cb.pend_throw(None) # Enable task to run.
#if isinstance(prev, Exception):
#print('Put back exception')
#cb.pend_throw(prev)
self._call_io(cb) # Put coro onto runq (or ioq if one exists)
if ev & select.POLLIN:
cb = self.rdobjmap[id(sock)]
if cb is None:
continue
self.rdobjmap[id(sock)] = None
if ev & (select.POLLHUP | select.POLLERR):
# These events are returned even if not requested, and
# are sticky, i.e. will be returned again and again.
# If the caller doesn't do proper error handling and
# unregister this sock, we'll busy-loop on it, so we
# as well can unregister it now "just in case".
self.remove_reader(sock)
if DEBUG and __debug__:
log.debug("Calling IO callback: %r", cb)
if isinstance(cb, tuple):
cb[0](*cb[1])
else:
prev = cb.pend_throw(None) # Enable task to run.
#if isinstance(prev, Exception):
#cb.pend_throw(prev)
#print('Put back exception')
self._call_io(cb)