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Python select.KQ_EV_EOF属性代码示例

本文整理汇总了Python中select.KQ_EV_EOF属性的典型用法代码示例。如果您正苦于以下问题:Python select.KQ_EV_EOF属性的具体用法?Python select.KQ_EV_EOF怎么用?Python select.KQ_EV_EOF使用的例子?那么, 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select的用法示例。


在下文中一共展示了select.KQ_EV_EOF属性的8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: poll

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def poll(self, timeout):
        kevents = self._kqueue.control(None, 1000, timeout)
        events = {}
        for kevent in kevents:
            fd = kevent.ident
            if kevent.filter == select.KQ_FILTER_READ:
                events[fd] = events.get(fd, 0) | IOLoop.READ
            if kevent.filter == select.KQ_FILTER_WRITE:
                if kevent.flags & select.KQ_EV_EOF:
                    # If an asynchronous connection is refused, kqueue
                    # returns a write event with the EOF flag set.
                    # Turn this into an error for consistency with the
                    # other IOLoop implementations.
                    # Note that for read events, EOF may be returned before
                    # all data has been consumed from the socket buffer,
                    # so we only check for EOF on write events.
                    events[fd] = IOLoop.ERROR
                else:
                    events[fd] = events.get(fd, 0) | IOLoop.WRITE
            if kevent.flags & select.KQ_EV_ERROR:
                events[fd] = events.get(fd, 0) | IOLoop.ERROR
        return events.items() 
开发者ID:tao12345666333,项目名称:tornado-zh,代码行数:24,代码来源:kqueue.py

示例2: poll

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def poll(self, timeout=None):
        events = self.kqueue.control(self.events, 128, timeout)
        rv = []
        for ev in events:
            obj = self.event_to_object.get(ev.ident)
            if obj is None:
                # It happens surprisingly frequently that kqueue returns
                # write events things no longer in the kqueue.  Not sure
                # why
                continue
            if ev.filter == select.KQ_FILTER_READ:
                rv.append((obj, 'read'))
            elif ev.filter == select.KQ_FILTER_WRITE:
                rv.append((obj, 'write'))
            if ev.flags & select.KQ_EV_EOF:
                rv.append((obj, 'close'))
        return rv 
开发者ID:getsentry,项目名称:rb,代码行数:19,代码来源:poll.py

示例3: _is_closed_kqueue

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def _is_closed_kqueue(f):
    kqueue = select.kqueue()
    event = select.kevent(
        f.fileno(), filter=select.KQ_FILTER_READ,
        flags=select.KQ_EV_ADD | select.KQ_EV_ENABLE)
    for event in kqueue.control([event], 128, 0.0):
        if event.flags & select.KQ_EV_EOF:
            return True
    return False 
开发者ID:getsentry,项目名称:rb,代码行数:11,代码来源:poll.py

示例4: poll

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def poll(self,
                 timeout,
                 _len=len,
                 _READ=select.KQ_FILTER_READ,
                 _WRITE=select.KQ_FILTER_WRITE,
                 _EOF=select.KQ_EV_EOF,
                 _ERROR=select.KQ_EV_ERROR):
            try:
                kevents = self._kqueue.control(None, _len(self.socket_map),
                                               timeout)
            except OSError as err:
                if err.errno == errno.EINTR:
                    return
                raise
            for kevent in kevents:
                inst = self.socket_map.get(kevent.ident)
                if inst is None:
                    continue
                if kevent.filter == _READ:
                    if inst.readable():
                        _read(inst)
                if kevent.filter == _WRITE:
                    if kevent.flags & _EOF:
                        # If an asynchronous connection is refused,
                        # kqueue returns a write event with the EOF
                        # flag set.
                        # Note that for read events, EOF may be returned
                        # before all data has been consumed from the
                        # socket buffer, so we only check for EOF on
                        # write events.
                        inst.handle_close()
                    else:
                        if inst.writable():
                            _write(inst)
                if kevent.flags & _ERROR:
                    inst.handle_close()


# ===================================================================
# --- choose the better poller for this platform
# =================================================================== 
开发者ID:aliyun,项目名称:oss-ftp,代码行数:43,代码来源:ioloop.py

示例5: _doWriteOrRead

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def _doWriteOrRead(self, selectable, fd, event):
        """
        Private method called when a FD is ready for reading, writing or was
        lost. Do the work and raise errors where necessary.
        """
        why = None
        inRead = False
        (filter, flags, data, fflags) = (
            event.filter, event.flags, event.data, event.fflags)

        if flags & KQ_EV_EOF and data and fflags:
            why = main.CONNECTION_LOST
        else:
            try:
                if selectable.fileno() == -1:
                    inRead = False
                    why = posixbase._NO_FILEDESC
                else:
                    if filter == KQ_FILTER_READ:
                        inRead = True
                        why = selectable.doRead()
                    if filter == KQ_FILTER_WRITE:
                        inRead = False
                        why = selectable.doWrite()
            except:
                # Any exception from application code gets logged and will
                # cause us to disconnect the selectable.
                why = failure.Failure()
                log.err(why, "An exception was raised from application code" \
                             " while processing a reactor selectable")

        if why:
            self._disconnectSelectable(selectable, why, inRead) 
开发者ID:proxysh,项目名称:Safejumper-for-Desktop,代码行数:35,代码来源:kqreactor.py

示例6: doPoll

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def doPoll(self, block):
    eventList = self.__kqueue.control(
                  None,
                  self.getNumFDs() * 2,
                  None if block else 0)
    for ke in eventList:
      fd = ke.ident
      readReady = (ke.filter == select.KQ_FILTER_READ)
      writeReady = (ke.filter == select.KQ_FILTER_WRITE)
      errorReady = ((ke.flags & select.KQ_EV_EOF) != 0)
      self.handleEventForFD(fd = fd,
                            readReady = readReady,
                            writeReady = writeReady,
                            errorReady = errorReady) 
开发者ID:ActiveState,项目名称:code,代码行数:16,代码来源:recipe-577662.py

示例7: start

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def start(self):
		while True:
			eventlist = self.kq.control(None, 100, 1)
			for event in eventlist:
				send = True
				if event.flags & select.KQ_EV_ERROR:
					send = self.onSocketEvent(event.ident, sockConnect.socketEventExcept)
				elif event.filter == select.KQ_FILTER_READ:
					send = self.onSocketEvent(event.ident, sockConnect.socketEventCanRecv)
				elif event.filter == select.KQ_FILTER_WRITE:
					if event.flags & select.KQ_EV_EOF:
						send = self.onSocketEvent(event.ident, sockConnect.socketEventExcept)
					else:
						send = self.onSocketEvent(event.ident, sockConnect.socketEventCanSend)
				if not send:
					try:
						self.kq.control([select.kevent(event.ident, filter=select.KQ_FILTER_WRITE,
												flags=select.KQ_EV_DELETE)], 0)
					except:
						pass
					try:
						self.kq.control([select.kevent(event.ident, filter=select.KQ_FILTER_READ,
												flags=select.KQ_EV_DELETE)], 0)
					except:
						pass
			self._handlerCallback() 
开发者ID:wdongxv,项目名称:DDDProxy,代码行数:28,代码来源:baseServer.py

示例8: poll

# 需要导入模块: import select [as 别名]
# 或者: from select import KQ_EV_EOF [as 别名]
def poll(self, timeout):
        for event in self._kq.control(None, 100, timeout):
            yield ProcPollEvent(fd=event.ident,
                                can_read=True,
                                is_terminated=event.flags & select.KQ_EV_EOF) 
开发者ID:Netflix,项目名称:metaflow,代码行数:7,代码来源:procpoll.py


注:本文中的select.KQ_EV_EOF属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。