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How to use __discover_jmeter_udp_port method in yandex-tank

Best Python code snippet using yandex-tank

plugin.py

Source:plugin.py

...114            raise RuntimeError(115                "Unable to access to JMeter executable file or it does not exist: %s"116                % self.jmeter_path)117        self.start_time = time.time()118        self.jmeter_udp_port = self.__discover_jmeter_udp_port()119    def is_test_finished(self):120        retcode = self.process.poll()121        aggregator = self.core.job.aggregator122        if not aggregator.reader.jmeter_finished and retcode is not None:123            logger.info(124                "JMeter process finished with exit code: %s, waiting for aggregator",125                retcode)126            self.retries = 0127            aggregator.reader.jmeter_finished = True128            return -1129        elif aggregator.reader.jmeter_finished is True:130            if aggregator.reader.agg_finished:131                self.reader.close()132                return retcode133            else:134                logger.info("Waiting for aggregator to finish")135                return -1136        else:137            return -1138    def end_test(self, retcode):139        if self.process:140            gracefully_shutdown = self.__graceful_shutdown()141            if not gracefully_shutdown:142                self.__kill_jmeter()143        if self.process_stderr:144            self.process_stderr.close()145        self.core.add_artifact_file(self.jmeter_log)146        self.reader.close()147        return retcode148    def __discover_jmeter_udp_port(self):149        """Searching for line in jmeter.log such as150        Waiting for possible shutdown message on port 4445151        """152        r = re.compile(self.DISCOVER_PORT_PATTERN)153        with open(self.process_stderr.name, 'r') as f:154            cnt = 0155            while self.process.pid and cnt < 10:156                line = f.readline()157                m = r.match(line)158                if m is None:159                    cnt += 1160                    time.sleep(1)161                else:162                    port = int(m.group('port'))...

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