Beispiel #1
0
class InputThread(threading.Thread):
    def __init__(self, beanstalk_conf, log=None, process_pool=None):
        threading.Thread.__init__(self)
        self.daemon = True
        self.running = True
        self.beanstalk = PyBeanstalk(beanstalk_conf['host'], beanstalk_conf['port'])
        self.out_beanstalk = PyBeanstalk(beanstalk_conf['host'], beanstalk_conf['port'])
        self.input_tube = beanstalk_conf['input_tube']
        self.output_tube = beanstalk_conf['output_tube']
        self.log = log
        if not self.log:
            self.log = LogHandler("i_input_thread")

        self.process_pool = process_pool
        self.wlock = threading.Lock()

    def stop(self):
        self.log.warning("stop input_thread")
        self.running = False
        proccesor = None
        try:
            while True:
                if self.process_pool.get_task_num() == 0:
                    if self.process_pool.thread_local_constructors.has_key('processor'):
                        processor = self.process_pool.thread_local_constructors['processor'][1][1]
                        self.log.warning("prepare call scheduler_processor to stop scheduler")
                        processor.save_status()
                        break
                else:
                    self.log.info("wait tasks be consumed over, wait 5s")
                    time.sleep(5)

            self.beanstalk.__del__()  # 关闭连接不再接受数据
        except Exception, e:
            self.log.error("stop input_thread fail:%s" % e.message)
Beispiel #2
0
class InputThread(threading.Thread):
    def __init__(self, beanstalk_conf, log=None, process_pool=None):
        threading.Thread.__init__(self)
        self.daemon = True
        self.running = True

        assert beanstalk_conf is not None
        assert log is not None
        assert process_pool is not None

        self.beanstalk = PyBeanstalk(beanstalk_conf['host'], beanstalk_conf['port'])
        self.out_beanstalk = PyBeanstalk(beanstalk_conf['host'], beanstalk_conf['port'])
        self.input_tube = beanstalk_conf['input_tube']
        self.output_tube = beanstalk_conf['output_tube']
        self.log = log
        if not self.log:
            self.log = LogHandler("i_input_thread")

        self.process_pool = process_pool
        self.t_lock = threading.Lock()

    def stop(self):
        self.log.warning("stop input_thread")
        self.running = False
        try:
            while True:
                if self.process_pool.get_task_num() <= 0:
                    # if 'processor' in self.process_pool.thread_local_constructors:
                    #     processor = self.process_pool.thread_local_constructors['processor'][1][1]
                    #     self.log.warning("prepare call scheduler_processor to stop scheduler")
                    #     processor.save_status()
                    break
                else:
                    self.log.info("wait tasks be consumed over, wait 5s")
                    time.sleep(5)

            self.beanstalk.__del__()  # 关闭连接不再接受数据
        except Exception as e:
            self.log.error("stop input_thread fail")
            self.log.exception(e)

    def run(self):
        job_num = 0
        while self.running and self.input_tube:
            try:
                job = self.beanstalk.reserve(self.input_tube, 30)
                if job is not None:
                    job_num += 1
                    body = job.body
                    job.delete()

                    self.process_pool.queue_task(self.__on_task_start, (body,), self.__on_task_finished)
                    task_num = self.process_pool.get_task_num()
                    if task_num >= 50:
                        self.log.info("place_processor\ttasks:%d" % task_num)
                        time.sleep(2)
                else:
                    self.log.info("not msg from:%s" % self.input_tube)
            except SocketError as e:
                time.sleep(30)
                self.log.error('beanstalk\tconnect\tfail\tstart\treconnect')
                self.log.exception(e)
                try:
                    self.beanstalk.reconnect()
                    self.out_beanstalk.reconnect()
                    self.log.error('beanstalk\treconnect\tsuccess')
                except Exception as e:
                    self.log.error('beanstalk\treconnect\tfail')
                    self.log.exception(e)
            except Exception as e:
                self.log.error("not msg from:%s\tresult:" % self.input_tube)
                self.log.exception(e)

    @staticmethod
    def __on_task_start(task, **thread_locals):
        result = None
        if 'profiler' in thread_locals:
            thread_locals['profiler'].begin()
        if 'processor' in thread_locals:
            result = thread_locals['processor'].do_task(task)
        return result

    def __on_task_finished(self, (result), **thread_locals):
        self.t_lock.acquire()
        proccesor = None
        if 'processor' in thread_locals:
            proccesor = thread_locals['processor']
        if 'profiler' in thread_locals:
            thread_locals['profiler'].end()
        if result and isinstance(result, basestring):
            self.__output_msg(result, proccesor)
        elif isinstance(result, list):
            for message in result:
                self.__output_msg(message, proccesor)
        self.t_lock.release()