Example #1
0
    def test_reader_messages(self):
        self.msg_count = 0
        num_messages = 500

        topic = "test_reader_msgs_%s" % time.time()
        self._send_messages(topic, num_messages, b"sup")

        def handler(msg):
            assert msg.body == b"sup"
            self.msg_count += 1
            if self.msg_count >= num_messages:
                self.stop()
            return True

        r = Reader(
            nsqd_tcp_addresses=["127.0.0.1:4150"],
            topic=topic,
            channel="ch",
            io_loop=self.io_loop,
            message_handler=handler,
            max_in_flight=100,
            **self.identify_options
        )

        self.wait()
        r.close()
Example #2
0
    def test_reader_messages(self):
        self.msg_count = 0
        num_messages = 1

        topic = 'test_lookupd_msgs_%s' % int(time.time())
        self._send_messages(topic, num_messages, b'sup')

        def handler(msg):
            assert msg.body == b'sup'
            self.msg_count += 1
            if self.msg_count >= num_messages:
                self.stop()
            return True

        r = Reader(lookupd_http_addresses=['http://127.0.0.1:4161'],
                   topic=topic,
                   channel='ch',
                   io_loop=self.io_loop,
                   message_handler=handler,
                   lookupd_poll_interval=1,
                   lookupd_poll_jitter=0.01,
                   max_in_flight=100,
                   **self.identify_options)

        self.wait()
        r.close()
Example #3
0
    def test_reader_coro(self):
        self.msg_count = 0
        num_messages = 20

        topic = 'test_reader_msgs_%s' % time.time()
        self._send_messages(topic, num_messages, b'sup')

        @tornado.gen.coroutine
        def handler(msg):
            yield tornado.gen.sleep(0.1)
            self.msg_count += 1
            if self.msg_count >= num_messages:
                self.stop()
            raise tornado.gen.Return(True)

        r = Reader(nsqd_tcp_addresses=['127.0.0.1:4150'],
                   topic=topic,
                   channel='ch',
                   message_handler=handler,
                   max_in_flight=10,
                   **self.identify_options)

        self.wait()
        r.close()
        assert self.msg_count == num_messages
Example #4
0
    def test_reader_messages(self):
        self.msg_count = 0
        num_messages = 1

        topic = 'test_lookupd_msgs_%s' % int(time.time())
        self._send_messages(topic, num_messages, b'sup')

        def handler(msg):
            assert msg.body == b'sup'
            self.msg_count += 1
            if self.msg_count >= num_messages:
                self.stop()
            return True

        r = Reader(lookupd_http_addresses=['http://127.0.0.1:4161'],
                   topic=topic,
                   channel='ch',
                   message_handler=handler,
                   lookupd_poll_interval=1,
                   lookupd_poll_jitter=0.01,
                   max_in_flight=100,
                   **self.identify_options)

        self.wait()
        r.close()
Example #5
0
    def test_reader_messages(self):
        self.msg_count = 0
        num_messages = 300
        topic = 'test_reader_msgs_%s' % time.time()
        self._send_messages(topic, num_messages, b'sup')

        def handler(msg):
            assert msg.body == b'sup'
            self.msg_count += 1
            if self.msg_count >= num_messages:
                self.stop()
            return True

        r = Reader(nsqd_tcp_addresses=['127.0.0.1:4150'],
                   topic=topic, channel='ch',
                   message_handler=handler, max_in_flight=100,
                   **self.identify_options)
        self.wait()
        r.close()
Example #6
0
    def test_reader_messages(self):
        self.msg_count = 0
        num_messages = 500

        topic = 'test_reader_msgs_%s' % time.time()
        self._send_messages(topic, num_messages, b'sup')

        def handler(msg):
            assert msg.body == b'sup'
            self.msg_count += 1
            if self.msg_count >= num_messages:
                self.stop()
            return True

        r = Reader(nsqd_tcp_addresses=['127.0.0.1:4150'], topic=topic, channel='ch',
                   io_loop=self.io_loop, message_handler=handler, max_in_flight=100,
                   **self.identify_options)

        self.wait()
        r.close()
Example #7
0
    def forward(self):
        targets = []
        for t in self.args.target:
            imp_path, args = self._parse_forwarder_target_arg(t)
            target_class = util.load_object(imp_path)
            target_obj = target_class(**args)
            targets.append(target_obj)

        nsq_receiver = Reader(
            topic=self.args.nsqtopic,
            channel=self.args.nsqchannel,
            nsqd_tcp_addresses=[self.args.nsqd_tcp_address],
            max_in_flight=2500,
        )

        forwarder = LogForwarder(nsq_receiver, targets, self.log)
        forwarder.start()
Example #8
0
def basic(topic='topic',
          channel='channel',
          count=1e6,
          size=10,
          gevent=False,
          max_in_flight=2500,
          profile=False):
    '''Basic benchmark'''
    if gevent:
        from gevent import monkey
        monkey.patch_all()

    # Check the types of the arguments
    count = int(count)
    size = int(size)
    max_in_flight = int(max_in_flight)

    from nsq.http import nsqd
    from nsq.reader import Reader

    print('Publishing messages...')
    for batch in grouper(messages(count, size), 1000):
        nsqd.Client('http://localhost:4151').mpub(topic, batch)

    print('Consuming messages')
    client = Reader(topic,
                    channel,
                    nsqd_tcp_addresses=['localhost:4150'],
                    max_in_flight=max_in_flight)
    with closing(client):
        start = -time.time()
        if profile:
            with profiler():
                for message in islice(client, count):
                    message.fin()
        else:
            for message in islice(client, count):
                message.fin()
        start += time.time()
    print('Finished %i messages in %fs (%5.2f messages / second)' %
          (count, start, count / start))
Example #9
0
    def get(self):
        """
        Sample uri: /tail?nsqd_tcp_address=localhost:4150&nsqd_http_address=localhost:4151&topic=Heartbeat&empty_lines='yes/no'
        """
        loop = tornado.ioloop.IOLoop.current()

        nsqd_tcp_addresses, nsqd_http_address, topic, empty_lines = self._parse_query(
            self.request.query_arguments)
        if not nsqd_tcp_addresses:
            self.finish("nsqd_tcp_addresses not found")
        elif not nsqd_http_address:
            self.finish("nsqd_http_address not found")
        elif not topic:
            self.finish("topic not found")
        else:
            channel = generate_random_string(self.CHANNEL_NAME_LENGTH)

            nsq_reader = Reader(
                nsqd_tcp_addresses=[nsqd_tcp_addresses],
                topic=topic,
                channel=channel,
                max_in_flight=self.NSQ_MAX_IN_FLIGHT,
            )

            def cleanup():
                nsq_reader.close()
                self._remove_channel(nsqd_http_address=nsqd_http_address,
                                     topic=topic,
                                     channel=channel)
                self.log.debug("channel_deleted", channel=channel)
                self.finish()

            try:
                with nsq_reader.connection_checker():
                    start = time.time()
                    msg_list = list()

                    while True:
                        if self.request.connection.stream.closed():
                            self.log.info("stream_closed")
                            cleanup()
                            break

                        msg = nsq_reader.read()
                        for m in msg:
                            self.log.debug(
                                "preparing_list",
                                nsqd_tcp_addresses=nsqd_tcp_addresses,
                                topic=topic,
                                channel=channel,
                            )
                            if isinstance(m, Message):
                                msg_list.append(m.body + "\n")
                                m.fin()

                        if time.time() - start >= 1:
                            if msg_list:
                                result = "".join(msg_list)
                                self.log.debug(
                                    "yield",
                                    nsqd_tcp_addresses=nsqd_tcp_addresses,
                                    topic=topic,
                                    channel=channel,
                                    result=result,
                                )
                                self.write(result)
                                yield self.flush()
                                msg_list = list()
                                start = time.time()
                            else:
                                self.log.debug(
                                    "empty",
                                    nsqd_tcp_addresses=nsqd_tcp_addresses,
                                    topic=topic,
                                    channel=channel,
                                )
                                if empty_lines:
                                    self.write("\n")
                                yield self.flush()

            except KeyboardInterrupt:
                cleanup()
                sys.exit(0)