python类EAGAIN的实例源码

logging_aggregator.py 文件源码 项目:integration-prototype 作者: SKA-ScienceDataProcessor 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def run(self):
        """Run loop.

        Receives log messages from connected publishers and logs them via
        a python logging interface.
        """
        log = logging.getLogger('sip.logging_aggregator')
        fail_count = 0
        fail_count_limit = 100
        # Exponential relaxation of timeout in event loop.
        timeout = np.logspace(-6, -2, fail_count_limit)
        while not self._stop_requested.is_set():
            try:
                topic, values = self._subscriber.recv_multipart(zmq.NOBLOCK)
                str_values = values.decode('utf-8')
                try:
                    dict_values = json.loads(str_values)
                    record = logging.makeLogRecord(dict_values)
                    log.handle(record)
                    fail_count = 0
                except json.decoder.JSONDecodeError:
                    print('ERROR: Unable to convert JSON log record.')
                    raise
            except zmq.ZMQError as e:
                if e.errno == zmq.EAGAIN:
                    fail_count += 1
                else:
                    raise  # Re-raise the exception
            if fail_count < fail_count_limit:
                _timeout = timeout[fail_count]
            else:
                _timeout = timeout[-1]
            self._stop_requested.wait(_timeout)
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def send(self, data, flags=0, copy=True, track=False):
        """send, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """

        # if we're given the NOBLOCK flag act as normal and let the EAGAIN get raised
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).send(data, flags, copy, track)
            finally:
                if not self.__in_send_multipart:
                    self.__state_changed()
            return msg
        # ensure the zmq.NOBLOCK flag is part of flags
        flags |= zmq.NOBLOCK
        while True: # Attempt to complete this operation indefinitely, blocking the current greenlet
            try:
                # attempt the actual call
                msg = super(_Socket, self).send(data, flags, copy, track)
            except zmq.ZMQError as e:
                # if the raised ZMQError is not EAGAIN, reraise
                if e.errno != zmq.EAGAIN:
                    if not self.__in_send_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_send_multipart:
                    self.__state_changed()
                return msg
            # defer to the event loop until we're notified the socket is writable
            self._wait_write()
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def recv(self, flags=0, copy=True, track=False):
        """recv, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            finally:
                if not self.__in_recv_multipart:
                    self.__state_changed()
            return msg

        flags |= zmq.NOBLOCK
        while True:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            except zmq.ZMQError as e:
                if e.errno != zmq.EAGAIN:
                    if not self.__in_recv_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_recv_multipart:
                    self.__state_changed()
                return msg
            self._wait_read()
test_pubsub.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def test_topic(self):
        s1, s2 = self.create_bound_pair(zmq.PUB, zmq.SUB)
        s2.setsockopt(zmq.SUBSCRIBE, b'x')
        time.sleep(0.1)
        msg1 = b'message'
        s1.send(msg1)
        self.assertRaisesErrno(zmq.EAGAIN, s2.recv, zmq.NOBLOCK)
        msg1 = b'xmessage'
        s1.send(msg1)
        msg2 = s2.recv()
        self.assertEqual(msg1, msg2)
test_error.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def test_again(self):
        s = self.context.socket(zmq.REP)
        self.assertRaises(Again, s.recv, zmq.NOBLOCK)
        self.assertRaisesErrno(zmq.EAGAIN, s.recv, zmq.NOBLOCK)
        s.close()
__init__.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def assertRaisesErrno(self, errno, func, *args, **kwargs):
        if errno == zmq.EAGAIN:
            raise SkipTest("Skipping because we're green.")
        try:
            func(*args, **kwargs)
        except zmq.ZMQError:
            e = sys.exc_info()[1]
            self.assertEqual(e.errno, errno, "wrong error raised, expected '%s' \
got '%s'" % (zmq.ZMQError(errno), zmq.ZMQError(e.errno)))
        else:
            self.fail("Function did not raise any error")
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def send(self, data, flags=0, copy=True, track=False):
        """send, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """

        # if we're given the NOBLOCK flag act as normal and let the EAGAIN get raised
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).send(data, flags, copy, track)
            finally:
                if not self.__in_send_multipart:
                    self.__state_changed()
            return msg
        # ensure the zmq.NOBLOCK flag is part of flags
        flags |= zmq.NOBLOCK
        while True: # Attempt to complete this operation indefinitely, blocking the current greenlet
            try:
                # attempt the actual call
                msg = super(_Socket, self).send(data, flags, copy, track)
            except zmq.ZMQError as e:
                # if the raised ZMQError is not EAGAIN, reraise
                if e.errno != zmq.EAGAIN:
                    if not self.__in_send_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_send_multipart:
                    self.__state_changed()
                return msg
            # defer to the event loop until we're notified the socket is writable
            self._wait_write()
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def recv(self, flags=0, copy=True, track=False):
        """recv, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            finally:
                if not self.__in_recv_multipart:
                    self.__state_changed()
            return msg

        flags |= zmq.NOBLOCK
        while True:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            except zmq.ZMQError as e:
                if e.errno != zmq.EAGAIN:
                    if not self.__in_recv_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_recv_multipart:
                    self.__state_changed()
                return msg
            self._wait_read()
test_error.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def test_again(self):
        s = self.context.socket(zmq.REP)
        self.assertRaises(Again, s.recv, zmq.NOBLOCK)
        self.assertRaisesErrno(zmq.EAGAIN, s.recv, zmq.NOBLOCK)
        s.close()
__init__.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def assertRaisesErrno(self, errno, func, *args, **kwargs):
        if errno == zmq.EAGAIN:
            raise SkipTest("Skipping because we're green.")
        try:
            func(*args, **kwargs)
        except zmq.ZMQError:
            e = sys.exc_info()[1]
            self.assertEqual(e.errno, errno, "wrong error raised, expected '%s' \
got '%s'" % (zmq.ZMQError(errno), zmq.ZMQError(e.errno)))
        else:
            self.fail("Function did not raise any error")
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def send(self, data, flags=0, copy=True, track=False):
        """send, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """

        # if we're given the NOBLOCK flag act as normal and let the EAGAIN get raised
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).send(data, flags, copy, track)
            finally:
                if not self.__in_send_multipart:
                    self.__state_changed()
            return msg
        # ensure the zmq.NOBLOCK flag is part of flags
        flags |= zmq.NOBLOCK
        while True: # Attempt to complete this operation indefinitely, blocking the current greenlet
            try:
                # attempt the actual call
                msg = super(_Socket, self).send(data, flags, copy, track)
            except zmq.ZMQError as e:
                # if the raised ZMQError is not EAGAIN, reraise
                if e.errno != zmq.EAGAIN:
                    if not self.__in_send_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_send_multipart:
                    self.__state_changed()
                return msg
            # defer to the event loop until we're notified the socket is writable
            self._wait_write()
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def recv(self, flags=0, copy=True, track=False):
        """recv, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            finally:
                if not self.__in_recv_multipart:
                    self.__state_changed()
            return msg

        flags |= zmq.NOBLOCK
        while True:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            except zmq.ZMQError as e:
                if e.errno != zmq.EAGAIN:
                    if not self.__in_recv_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_recv_multipart:
                    self.__state_changed()
                return msg
            self._wait_read()
test_pubsub.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def test_topic(self):
        s1, s2 = self.create_bound_pair(zmq.PUB, zmq.SUB)
        s2.setsockopt(zmq.SUBSCRIBE, b'x')
        time.sleep(0.1)
        msg1 = b'message'
        s1.send(msg1)
        self.assertRaisesErrno(zmq.EAGAIN, s2.recv, zmq.NOBLOCK)
        msg1 = b'xmessage'
        s1.send(msg1)
        msg2 = s2.recv()
        self.assertEqual(msg1, msg2)
test_error.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def test_again(self):
        s = self.context.socket(zmq.REP)
        self.assertRaises(Again, s.recv, zmq.NOBLOCK)
        self.assertRaisesErrno(zmq.EAGAIN, s.recv, zmq.NOBLOCK)
        s.close()
__init__.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def assertRaisesErrno(self, errno, func, *args, **kwargs):
        if errno == zmq.EAGAIN:
            raise SkipTest("Skipping because we're green.")
        try:
            func(*args, **kwargs)
        except zmq.ZMQError:
            e = sys.exc_info()[1]
            self.assertEqual(e.errno, errno, "wrong error raised, expected '%s' \
got '%s'" % (zmq.ZMQError(errno), zmq.ZMQError(e.errno)))
        else:
            self.fail("Function did not raise any error")
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def send(self, data, flags=0, copy=True, track=False):
        """send, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """

        # if we're given the NOBLOCK flag act as normal and let the EAGAIN get raised
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).send(data, flags, copy, track)
            finally:
                if not self.__in_send_multipart:
                    self.__state_changed()
            return msg
        # ensure the zmq.NOBLOCK flag is part of flags
        flags |= zmq.NOBLOCK
        while True: # Attempt to complete this operation indefinitely, blocking the current greenlet
            try:
                # attempt the actual call
                msg = super(_Socket, self).send(data, flags, copy, track)
            except zmq.ZMQError as e:
                # if the raised ZMQError is not EAGAIN, reraise
                if e.errno != zmq.EAGAIN:
                    if not self.__in_send_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_send_multipart:
                    self.__state_changed()
                return msg
            # defer to the event loop until we're notified the socket is writable
            self._wait_write()
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def recv(self, flags=0, copy=True, track=False):
        """recv, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            finally:
                if not self.__in_recv_multipart:
                    self.__state_changed()
            return msg

        flags |= zmq.NOBLOCK
        while True:
            try:
                msg = super(_Socket, self).recv(flags, copy, track)
            except zmq.ZMQError as e:
                if e.errno != zmq.EAGAIN:
                    if not self.__in_recv_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_recv_multipart:
                    self.__state_changed()
                return msg
            self._wait_read()
test_error.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 45 收藏 0 点赞 0 评论 0
def test_again(self):
        s = self.context.socket(zmq.REP)
        self.assertRaises(Again, s.recv, zmq.NOBLOCK)
        self.assertRaisesErrno(zmq.EAGAIN, s.recv, zmq.NOBLOCK)
        s.close()
__init__.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def assertRaisesErrno(self, errno, func, *args, **kwargs):
        if errno == zmq.EAGAIN:
            raise SkipTest("Skipping because we're green.")
        try:
            func(*args, **kwargs)
        except zmq.ZMQError:
            e = sys.exc_info()[1]
            self.assertEqual(e.errno, errno, "wrong error raised, expected '%s' \
got '%s'" % (zmq.ZMQError(errno), zmq.ZMQError(e.errno)))
        else:
            self.fail("Function did not raise any error")
core.py 文件源码 项目:trex-http-proxy 作者: alwye 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def send(self, data, flags=0, copy=True, track=False):
        """send, which will only block current greenlet

        state_changed always fires exactly once (success or fail) at the
        end of this method.
        """

        # if we're given the NOBLOCK flag act as normal and let the EAGAIN get raised
        if flags & zmq.NOBLOCK:
            try:
                msg = super(_Socket, self).send(data, flags, copy, track)
            finally:
                if not self.__in_send_multipart:
                    self.__state_changed()
            return msg
        # ensure the zmq.NOBLOCK flag is part of flags
        flags |= zmq.NOBLOCK
        while True: # Attempt to complete this operation indefinitely, blocking the current greenlet
            try:
                # attempt the actual call
                msg = super(_Socket, self).send(data, flags, copy, track)
            except zmq.ZMQError as e:
                # if the raised ZMQError is not EAGAIN, reraise
                if e.errno != zmq.EAGAIN:
                    if not self.__in_send_multipart:
                        self.__state_changed()
                    raise
            else:
                if not self.__in_send_multipart:
                    self.__state_changed()
                return msg
            # defer to the event loop until we're notified the socket is writable
            self._wait_write()


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