location_client.py 文件源码

python
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项目:object-tracking 作者: athenian-robotics 项目源码 文件源码
def _get_values(self, pause_secs=2.0):
        channel = grpc.insecure_channel(self.hostname)
        stub = LocationServiceStub(channel)
        while not self.stopped:
            logger.info("Connecting to gRPC server at {0}...".format(self.hostname))
            try:
                client_info = ClientInfo(info="{0} client".format(socket.gethostname()))
                server_info = stub.registerClient(client_info)
            except BaseException as e:
                logger.error("Failed to connect to gRPC server at {0} [{1}]".format(self.hostname, e))
                time.sleep(pause_secs)
                continue

            logger.info("Connected to gRPC server at {0} [{1}]".format(self.hostname, server_info.info))

            try:
                for val in stub.getLocations(client_info):
                    with self.value_lock:
                        self.__currval = copy.deepcopy(val)
                    self._mark_ready()
            except BaseException as e:
                logger.info("Disconnected from gRPC server at {0} [{1}]".format(self.hostname, e))
                time.sleep(pause_secs)

    # Non-blocking
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