Python tornado.ioloop.IOLoop.ERROR Examples

The following are 30 code examples of tornado.ioloop.IOLoop.ERROR(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module tornado.ioloop.IOLoop , or try the search function .
Example #1
Source File: kqueue.py    From viewfinder with Apache License 2.0 6 votes vote down vote up 
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()
Example #2
Source File: kqueue.py    From teleport with Apache License 2.0 6 votes vote down vote up 
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()
Example #3
Source File: kqueue.py    From pySINDy with MIT License 6 votes vote down vote up 
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()
Example #4
Source File: kqueue.py    From viewfinder with Apache License 2.0 6 votes vote down vote up 
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()
Example #5
Source File: twisted.py    From honeything with GNU General Public License v3.0 6 votes vote down vote up 
def _invoke_callback(self, fd, events):
        (reader, writer) = self._fds[fd]
        if reader:
            err = None
            if reader.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.READ:
                err = log.callWithLogger(reader, reader.doRead)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeReader(reader)
                reader.readConnectionLost(failure.Failure(err))
        if writer:
            err = None
            if writer.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.WRITE:
                err = log.callWithLogger(writer, writer.doWrite)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeWriter(writer)
                writer.writeConnectionLost(failure.Failure(err))
Example #6
Source File: connection.py    From tornadis with MIT License 6 votes vote down vote up 
def _handle_events(self, fd, event):
        if self.is_connecting():
            err = self.__socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
            if err != 0:
                LOG.debug("connecting error in _handle_events")
                self.disconnect()
                return
            self._state.set_connected()
            LOG.debug("connected to %s", self._redis_server())
        if not self.is_connected():
            return
        if event & self._ioloop.READ:
            self._handle_read()
        if not self.is_connected():
            return
        if event & self._ioloop.WRITE:
            self._handle_write()
        if not self.is_connected():
            return
        if event & self._ioloop.ERROR:
            LOG.debug("unknown socket error")
            self.disconnect()
Example #7
Source File: kqueue.py    From tornado-zh with MIT License 6 votes vote down vote up 
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()
Example #8
Source File: kqueue.py    From EventGhost with GNU General Public License v2.0 6 votes vote down vote up 
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()
Example #9
Source File: kqueue.py    From tornado-zh with MIT License 6 votes vote down vote up 
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()
Example #10
Source File: select.py    From pySINDy with MIT License 5 votes vote down vote up 
def poll(self, timeout):
        readable, writeable, errors = select.select(
            self.read_fds, self.write_fds, self.error_fds, timeout)
        events = {}
        for fd in readable:
            events[fd] = events.get(fd, 0) | IOLoop.READ
        for fd in writeable:
            events[fd] = events.get(fd, 0) | IOLoop.WRITE
        for fd in errors:
            events[fd] = events.get(fd, 0) | IOLoop.ERROR
        return events.items()
Example #11
Source File: select.py    From EventGhost with GNU General Public License v2.0 5 votes vote down vote up 
def poll(self, timeout):
        readable, writeable, errors = select.select(
            self.read_fds, self.write_fds, self.error_fds, timeout)
        events = {}
        for fd in readable:
            events[fd] = events.get(fd, 0) | IOLoop.READ
        for fd in writeable:
            events[fd] = events.get(fd, 0) | IOLoop.WRITE
        for fd in errors:
            events[fd] = events.get(fd, 0) | IOLoop.ERROR
        return events.items()
Example #12
Source File: select.py    From teleport with Apache License 2.0 5 votes vote down vote up 
def poll(self, timeout):
        readable, writeable, errors = select.select(
            self.read_fds, self.write_fds, self.error_fds, timeout)
        events = {}
        for fd in readable:
            events[fd] = events.get(fd, 0) | IOLoop.READ
        for fd in writeable:
            events[fd] = events.get(fd, 0) | IOLoop.WRITE
        for fd in errors:
            events[fd] = events.get(fd, 0) | IOLoop.ERROR
        return events.items()
Example #13
Source File: worker.py    From webssh with MIT License 5 votes vote down vote up 
def __call__(self, fd, events):
        if events & IOLoop.READ:
            self.on_read()
        if events & IOLoop.WRITE:
            self.on_write()
        if events & IOLoop.ERROR:
            self.close(reason='error event occurred')
Example #14
Source File: twisted.py    From pySINDy with MIT License 5 votes vote down vote up 
def _invoke_callback(self, fd, events):
        if fd not in self._fds:
            return
        (reader, writer) = self._fds[fd]
        if reader:
            err = None
            if reader.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.READ:
                err = log.callWithLogger(reader, reader.doRead)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeReader(reader)
                reader.readConnectionLost(failure.Failure(err))
        if writer:
            err = None
            if writer.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.WRITE:
                err = log.callWithLogger(writer, writer.doWrite)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeWriter(writer)
                writer.writeConnectionLost(failure.Failure(err))
Example #15
Source File: twisted.py    From pySINDy with MIT License 5 votes vote down vote up 
def connectionLost(self, reason):
        if not self.lost:
            self.handler(self.fileobj, tornado.ioloop.IOLoop.ERROR)
            self.lost = True
Example #16
Source File: select.py    From EventGhost with GNU General Public License v2.0 5 votes vote down vote up 
def register(self, fd, events):
        if fd in self.read_fds or fd in self.write_fds or fd in self.error_fds:
            raise IOError("fd %s already registered" % fd)
        if events & IOLoop.READ:
            self.read_fds.add(fd)
        if events & IOLoop.WRITE:
            self.write_fds.add(fd)
        if events & IOLoop.ERROR:
            self.error_fds.add(fd)
            # Closed connections are reported as errors by epoll and kqueue,
            # but as zero-byte reads by select, so when errors are requested
            # we need to listen for both read and error.
            # self.read_fds.add(fd)
Example #17
Source File: select.py    From pySINDy with MIT License 5 votes vote down vote up 
def register(self, fd, events):
        if fd in self.read_fds or fd in self.write_fds or fd in self.error_fds:
            raise IOError("fd %s already registered" % fd)
        if events & IOLoop.READ:
            self.read_fds.add(fd)
        if events & IOLoop.WRITE:
            self.write_fds.add(fd)
        if events & IOLoop.ERROR:
            self.error_fds.add(fd)
            # Closed connections are reported as errors by epoll and kqueue,
            # but as zero-byte reads by select, so when errors are requested
            # we need to listen for both read and error.
            # self.read_fds.add(fd)
Example #18
Source File: iostream_test.py    From honeything with GNU General Public License v3.0 5 votes vote down vote up 
def test_write_zero_bytes(self):
        # Attempting to write zero bytes should run the callback without
        # going into an infinite loop.
        server, client = self.make_iostream_pair()
        server.write(b(''), callback=self.stop)
        self.wait()
        # As a side effect, the stream is now listening for connection
        # close (if it wasn't already), but is not listening for writes
        self.assertEqual(server._state, IOLoop.READ | IOLoop.ERROR)
        server.close()
        client.close()
Example #19
Source File: twisted.py    From teleport with Apache License 2.0 5 votes vote down vote up 
def _invoke_callback(self, fd, events):
        if fd not in self._fds:
            return
        (reader, writer) = self._fds[fd]
        if reader:
            err = None
            if reader.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.READ:
                err = log.callWithLogger(reader, reader.doRead)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeReader(reader)
                reader.readConnectionLost(failure.Failure(err))
        if writer:
            err = None
            if writer.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.WRITE:
                err = log.callWithLogger(writer, writer.doWrite)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeWriter(writer)
                writer.writeConnectionLost(failure.Failure(err))
Example #20
Source File: worker.py    From adminset with GNU General Public License v2.0 5 votes vote down vote up 
def __call__(self, fd, events):
        if events & IOLoop.READ:
            self.on_read()
        if events & IOLoop.WRITE:
            self.on_write()
        if events & IOLoop.ERROR:
            self.close(reason='error event occurred')
Example #21
Source File: main.py    From autoops with Apache License 2.0 5 votes vote down vote up 
def __call__(self, fd, events):
        if events & IOLoop.READ:
            self.on_read()
        if events & IOLoop.WRITE:
            self.on_write()
        if events & IOLoop.ERROR:
            self.close()
Example #22
Source File: twisted.py    From EventGhost with GNU General Public License v2.0 5 votes vote down vote up 
def connectionLost(self, reason):
        if not self.lost:
            self.handler(self.fileobj, tornado.ioloop.IOLoop.ERROR)
            self.lost = True
Example #23
Source File: twisted.py    From EventGhost with GNU General Public License v2.0 5 votes vote down vote up 
def _invoke_callback(self, fd, events):
        if fd not in self._fds:
            return
        (reader, writer) = self._fds[fd]
        if reader:
            err = None
            if reader.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.READ:
                err = log.callWithLogger(reader, reader.doRead)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeReader(reader)
                reader.readConnectionLost(failure.Failure(err))
        if writer:
            err = None
            if writer.fileno() == -1:
                err = error.ConnectionLost()
            elif events & IOLoop.WRITE:
                err = log.callWithLogger(writer, writer.doWrite)
            if err is None and events & IOLoop.ERROR:
                err = error.ConnectionLost()
            if err is not None:
                self.removeWriter(writer)
                writer.writeConnectionLost(failure.Failure(err))
Example #24
Source File: select.py    From viewfinder with Apache License 2.0 5 votes vote down vote up 
def register(self, fd, events):
        if fd in self.read_fds or fd in self.write_fds or fd in self.error_fds:
            raise IOError("fd %d already registered" % fd)
        if events & IOLoop.READ:
            self.read_fds.add(fd)
        if events & IOLoop.WRITE:
            self.write_fds.add(fd)
        if events & IOLoop.ERROR:
            self.error_fds.add(fd)
            # Closed connections are reported as errors by epoll and kqueue,
            # but as zero-byte reads by select, so when errors are requested
            # we need to listen for both read and error.
            self.read_fds.add(fd)
Example #25
Source File: twisted.py    From tornado-zh with MIT License 5 votes vote down vote up 
def connectionLost(self, reason):
        if not self.lost:
            self.handler(self.fileobj, tornado.ioloop.IOLoop.ERROR)
            self.lost = True
Example #26
Source File: select.py    From tornado-zh with MIT License 5 votes vote down vote up 
def register(self, fd, events):
        if fd in self.read_fds or fd in self.write_fds or fd in self.error_fds:
            raise IOError("fd %s already registered" % fd)
        if events & IOLoop.READ:
            self.read_fds.add(fd)
        if events & IOLoop.WRITE:
            self.write_fds.add(fd)
        if events & IOLoop.ERROR:
            self.error_fds.add(fd)
            # Closed connections are reported as errors by epoll and kqueue,
            # but as zero-byte reads by select, so when errors are requested
            # we need to listen for both read and error.
            # self.read_fds.add(fd)
Example #27
Source File: select.py    From tornado-zh with MIT License 5 votes vote down vote up 
def poll(self, timeout):
        readable, writeable, errors = select.select(
            self.read_fds, self.write_fds, self.error_fds, timeout)
        events = {}
        for fd in readable:
            events[fd] = events.get(fd, 0) | IOLoop.READ
        for fd in writeable:
            events[fd] = events.get(fd, 0) | IOLoop.WRITE
        for fd in errors:
            events[fd] = events.get(fd, 0) | IOLoop.ERROR
        return events.items()
Example #28
Source File: twisted.py    From tornado-zh with MIT License 5 votes vote down vote up 
def connectionLost(self, reason):
        if not self.lost:
            self.handler(self.fileobj, tornado.ioloop.IOLoop.ERROR)
            self.lost = True
Example #29
Source File: select.py    From tornado-zh with MIT License 5 votes vote down vote up 
def register(self, fd, events):
        if fd in self.read_fds or fd in self.write_fds or fd in self.error_fds:
            raise IOError("fd %s already registered" % fd)
        if events & IOLoop.READ:
            self.read_fds.add(fd)
        if events & IOLoop.WRITE:
            self.write_fds.add(fd)
        if events & IOLoop.ERROR:
            self.error_fds.add(fd)
            # Closed connections are reported as errors by epoll and kqueue,
            # but as zero-byte reads by select, so when errors are requested
            # we need to listen for both read and error.
            # self.read_fds.add(fd)
Example #30
Source File: select.py    From tornado-zh with MIT License 5 votes vote down vote up 
def poll(self, timeout):
        readable, writeable, errors = select.select(
            self.read_fds, self.write_fds, self.error_fds, timeout)
        events = {}
        for fd in readable:
            events[fd] = events.get(fd, 0) | IOLoop.READ
        for fd in writeable:
            events[fd] = events.get(fd, 0) | IOLoop.WRITE
        for fd in errors:
            events[fd] = events.get(fd, 0) | IOLoop.ERROR
        return events.items()