class ClosestWaypointSubscriber(EventLoop):
    def __init__(self, name, host, port):
        super(ClosestWaypointSubscriber, self).__init__()

        self.autowareSubscribeTopic = Topic()
        self.autowareSubscribeTopic.set_id(name)
        self.autowareSubscribeTopic.set_root(Autoware.TOPIC.SUBSCRIBE)
        self.autowareSubscribeTopic.set_message(autoware_message)

        self.__previous_time = time()
        self.__period = 1.0  # [sec]

        self.connect(host, port)
        self.set_main_loop(rospy.spin)

        rospy.init_node("ams_closest_waypoint_subscriber", anonymous=True)
        self.__ROSSubscriber = message_filters.Subscriber(
            Autoware.ROSTOPIC.SUBSCRIBE, Int32)
        self.__ROSSubscriber.registerCallback(self.on_message_from_ros,
                                              self.publish)

    def on_message_from_ros(self, messageData, publish):
        current_time = time()
        if self.__period < current_time - self.__previous_time:
            self.__previous_time += (1 + int(
                (current_time - self.__previous_time) /
                self.__period)) * self.__period

            message = self.autowareSubscribeTopic.get_template(
            )["closest_waypoint"]
            message["index"] = messageData.data
            payload = self.autowareSubscribeTopic.serialize(message)
            publish(self.autowareSubscribeTopic.private + "/closest_waypoint",
                    payload)
Esempio n. 2
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class LaneArrayPublisher(EventLoop):
    def __init__(self, name):
        super(LaneArrayPublisher, self).__init__()

        self.autowarePublishTopic = Topic()
        self.autowarePublishTopic.set_id(name)
        self.autowarePublishTopic.set_root(Autoware.TOPIC.PUBLISH)
        self.autowarePublishTopic.set_message(autoware_message)

        self.add_on_message_function(self.publish_to_ros)
        self.set_subscriber(self.autowarePublishTopic.private+"/waypoints")

        rospy.init_node("ams_lane_array_publisher", anonymous=True)
        self.__ROSPublisher = rospy.Publisher(Autoware.ROSTOPIC.PUBLISH, LaneArray)

    def publish_to_ros(self, client, userdata, topic, payload):
        if topic == self.autowarePublishTopic.private+"/waypoints":
            waypointMessages = self.autowarePublishTopic.unserialize(payload)
            laneArray = LaneArray()

            # WaypointState.stopline_state = 2  # keep stop

            lane = Lane()
            for waypointMessage in waypointMessages:
                waypoint = Waypoint()
                waypoint.pose.pose.position.x = waypointMessage["position"]["x"]
                waypoint.pose.pose.position.y = waypointMessage["position"]["y"]
                waypoint.pose.pose.position.z = waypointMessage["position"]["z"]

                waypoint.pose.pose.orientation.z = waypointMessage["orientation"]["z"]
                waypoint.pose.pose.orientation.w = waypointMessage["orientation"]["w"]

                waypoint.twist.twist.linear.x = waypointMessage["velocity"]
                lane.waypoints.append(waypoint)

            # lane.waypoints[-1].wpstate.stopline_state = 2

            laneArray.lanes = [lane]
            self.__ROSPublisher.publish(laneArray)
Esempio n. 3
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class User(EventLoop):
    class TOPIC(object):
        PUBLISH = "pubUser"
        SUBSCRIBE = "subUser"

    class STATE(object):
        LOGIN = "******"
        WAITING = "waiting"
        GETTING_ON = "gettingOn"
        GOT_ON = "gotOn"
        MOVING = "moving"
        GETTING_OUT = "gettingOut"
        GOT_OUT = "gotOut"

    class ACTION(object):
        WAIT = "wait"
        GET_ON = "getOn"
        GET_OUT = "getOut"

    class EVENT(object):
        MOVE_VEHICLE = "moveVehicle"

    def __init__(self, name, waypoint, dt=1.0):
        super().__init__()

        self.topicUserPublish = Topic()
        self.topicUserPublish.set_id(self.event_loop_id)
        self.topicUserPublish.set_root(User.TOPIC.PUBLISH)
        self.topicUserPublish.set_message(user_message)

        self.topicUserSubscribe = Topic()
        self.topicUserSubscribe.set_id(self.event_loop_id)
        self.topicUserSubscribe.set_root(User.TOPIC.SUBSCRIBE)
        self.topicUserSubscribe.set_message(user_message)

        self.name = name
        self.id = self.event_loop_id
        self.state = User.STATE.LOGIN
        self.event = None
        self.action = None
        self.dt = dt
        self.__start_waypoint_id = None
        self.__goal_waypoint_id = None
        self.__vehicleID = None

        self.__waypoint = waypoint

        self.add_on_message_function(self.update_action)
        self.add_on_message_function(self.update_event)

        self.set_subscriber(self.topicUserSubscribe.private + "/schedules")
        self.set_subscriber(self.topicUserSubscribe.private + "/event")
        self.set_main_loop(self.__main_loop)

    def publish_status(self):
        message = self.topicUserPublish.get_template()
        message["name"] = self.name
        message["state"] = self.state
        message["event"] = self.event
        message["schedules"][0]["action"] = self.action
        message["schedules"][0]["start"][
            "waypoint_id"] = self.__start_waypoint_id
        message["schedules"][0]["goal"][
            "waypoint_id"] = self.__goal_waypoint_id
        payload = self.topicUserPublish.serialize(message)
        self.publish(self.topicUserPublish.private, payload)

    def set_waypoint_at_random(self, waypoint_ids=None):
        if waypoint_ids is None:
            waypoint_ids = self.__waypoint.get_waypoint_ids()
        start_waypoint_id = random.choice(waypoint_ids)
        waypoint_ids.remove(start_waypoint_id)
        goal_waypoint_id = random.choice(waypoint_ids)
        self.set_waypoint(start_waypoint_id, goal_waypoint_id)

    def set_waypoint(self, start_waypoint_id, goal_waypoint_id):
        self.set_start_waypoint(start_waypoint_id)
        self.set_goal_waypoint(goal_waypoint_id)

    def set_start_waypoint(self, start_waypoint_id):
        self.__start_waypoint_id = start_waypoint_id

    def set_goal_waypoint(self, goal_waypoint_id):
        self.__goal_waypoint_id = goal_waypoint_id

    def update_action(self, _client, _userdata, topic, payload):
        # print(topic)
        if topic == self.topicUserSubscribe.private + "/schedules":
            message = self.topicUserSubscribe.unserialize(payload)
            self.action = message["schedules"][0]["action"]

    def update_event(self, _client, _userdata, topic, payload):
        if topic == self.topicUserSubscribe.private + "/event":
            message = self.topicUserSubscribe.unserialize(payload)
            self.event = message["event"]

    def update_status(self):
        # print(self.state, self.event, self.action)
        if self.state == User.STATE.LOGIN:
            if self.action == User.ACTION.WAIT:
                self.state = User.STATE.WAITING
                self.action = None
        elif self.state == User.STATE.WAITING:
            if self.action == User.ACTION.GET_ON:
                self.state = User.STATE.GETTING_ON
                self.action = None
        elif self.state == User.STATE.GETTING_ON:
            self.state = User.STATE.GOT_ON
        elif self.state == User.STATE.GOT_ON:
            if self.event == User.EVENT.MOVE_VEHICLE:
                self.state = User.STATE.MOVING
                self.event = None
        elif self.state == User.STATE.MOVING:
            if self.action == User.ACTION.GET_OUT:
                self.state = User.STATE.GETTING_OUT
                self.action = None
        elif self.state == User.STATE.GETTING_OUT:
            self.state = User.STATE.GOT_OUT

    def __main_loop(self):
        self.publish_status()
        while self.state != User.STATE.GOT_OUT:
            sleep(self.dt)
            self.update_status()
            self.publish_status()
        sleep(2)
Esempio n. 4
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class EventLoop(object):
    KEEP_ALIVE = 60

    class TOPIC(object):
        PUBLISH = "pub_event_loop"
        SUBSCRIBE = "sub_event_loop"

    def __init__(self, _id=None):
        self.event_loop_id = _id
        if _id is None:
            self.event_loop_id = str(uuid())

        self.__subscribeTopic = Topic()
        self.__subscribeTopic.set_id(self.event_loop_id)
        self.__subscribeTopic.set_root(EventLoop.TOPIC.SUBSCRIBE)
        self.__subscribeTopic.set_message(event_loop_message)

        self.__publishTopic = Topic()
        self.__publishTopic.set_id(self.event_loop_id)
        self.__publishTopic.set_root(EventLoop.TOPIC.PUBLISH)
        self.__publishTopic.set_message(event_loop_message)

        self.__subscribers = {}
        self.__publishers = {}
        self.__client = None
        self.__main_loop = None
        self.__pid = os.getpid()
        self.set_subscriber(self.__subscribeTopic.private)
        self.__on_message_functions = []
        self.__user_data = None
        self.__user_will = None

    def __del__(self):
        if self.__client is not None:
            message = self.__publishTopic.get_template()
            message["action"] = "disconnect"
            message["pid"] = self.__pid
            payload = self.__publishTopic.serialize(message)
            self.publish(self.__publishTopic.private, payload)

            self.__client.disconnect()

    def set_subscriber(self, topic):
        self.__subscribers[str(uuid())] = {"topic": topic}

    def set_user_data(self, user_data):
        self.__user_data = user_data

    def add_on_message_function(self, on_message_function):
        self.__on_message_functions.append(on_message_function)

    def set_main_loop(self, main_loop):
        self.__main_loop = main_loop

    def set_will(self, topic, payload):
        self.__user_will = {"topic": topic, "payload": payload}

    def publish(self, topic, payload, qos=0, retain=False):
        # payload = self.__subscribeTopic.serialize(message)
        self.__client.publish(topic, payload=payload, qos=qos, retain=retain)

    def __on_message(self, client, userdata, message_data):
        payload = message_data.payload.decode("utf-8")
        if self.__subscribeTopic.root in message_data.topic and \
                self.__subscribeTopic.get_id(message_data.topic) == self.event_loop_id:
            message = self.__subscribeTopic.unserialize(payload)
            if message["action"] == "start":
                print(self.__subscribeTopic.root, message)
            if message["action"] == "kill":
                print(self.__subscribeTopic.root, message)
                self.end()
            if message["action"] == "check":
                print(self.__subscribeTopic.root, message)
                self.__check()
        for onMessageFunction in self.__on_message_functions:
            onMessageFunction(client, userdata, message_data.topic, payload)
        return True

    def connect(self, host, port):
        self.__client = mqtt.Client(protocol=mqtt.MQTTv311,
                                    userdata=self.__user_data)

        will = self.__user_will
        print(will)
        if will is None:
            message = self.__publishTopic.get_template()
            message["action"] = "will"
            message["pid"] = self.__pid
            payload = self.__publishTopic.serialize(message)
            will = {"topic": self.__publishTopic.private, "payload": payload}
        self.__client.will_set(will["topic"],
                               payload=will["payload"],
                               qos=2,
                               retain=False)

        self.__client.on_message = self.__on_message
        self.__client.connect(host=host,
                              port=port,
                              keepalive=EventLoop.KEEP_ALIVE)

    def start(self, host="localhost", port=1883):
        self.connect(host, port)

        for subscriber in self.__subscribers.values():
            self.__client.subscribe(subscriber["topic"])

        message = self.__publishTopic.get_template()
        message["time"] = str(int(time()))
        message["action"] = "start"
        message["pid"] = self.__pid
        payload = self.__publishTopic.serialize(message)
        self.publish(self.__publishTopic.private, payload)

        if self.__main_loop is None:
            self.__client.loop_forever()
        else:
            self.__client.loop_start()
            self.__main_loop()

    def end(self):
        self.__client.loop_stop()
        self.__client.disconnect()
        os.kill(self.__pid, SIGKILL)

    def __check(self):
        # todo: main_loop zombie
        message = self.__publishTopic.get_template()
        message["time"] = str(int(time()))
        message["action"] = "ok"
        message["pid"] = self.__pid
        payload = self.__publishTopic.serialize(message)
        self.publish(self.__publishTopic.private, payload)

    def get_pid(self):
        return self.__pid
Esempio n. 5
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class TrafficSignal(EventLoop):
    class STATE(object):
        GREEN = "green"
        YELLOW = "yellow"
        RED = "red"

    class TOPIC(object):
        PUBLISH = "pub_traffic_signal"
        SUBSCRIBE = "sub_traffic_signal"

    def __init__(self, name, processing_cycle=1.0):
        super().__init__()

        self.trafficSignalPublishTopic = Topic()
        self.trafficSignalPublishTopic.set_id(self.event_loop_id)
        self.trafficSignalPublishTopic.set_root(TrafficSignal.TOPIC.PUBLISH)
        self.trafficSignalPublishTopic.set_message(traffic_signal_message)

        self.trafficSignalSubscribeTopic = Topic()
        self.trafficSignalSubscribeTopic.set_id(self.event_loop_id)
        self.trafficSignalSubscribeTopic.set_root(
            TrafficSignal.TOPIC.SUBSCRIBE)
        self.trafficSignalSubscribeTopic.set_message(traffic_signal_message)

        self.name = name
        self.routes = {}
        self.schedules = {}
        self.cycles = {}
        self.__processing_cycle = processing_cycle
        self.__check_time = time()
        self.__publish_flag = False

        self.add_on_message_function(self.update_routes)
        self.add_on_message_function(self.update_schedules)
        self.add_on_message_function(self.update_cycles)
        self.set_subscriber(self.trafficSignalSubscribeTopic.private +
                            "/routes")
        self.set_subscriber(self.trafficSignalSubscribeTopic.private +
                            "/schedules")
        self.set_subscriber(self.trafficSignalSubscribeTopic.private +
                            "/cycles")
        self.set_main_loop(self.__main_loop)

    def publish_status(self):
        message = self.trafficSignalPublishTopic.get_template()
        message["name"] = self.name
        message["time"] = time()
        message["routes"] = list(self.routes.values())

        payload = self.trafficSignalPublishTopic.serialize(message)
        self.publish(self.trafficSignalPublishTopic.private, payload)

    def update_routes(self, _client, _userdata, topic, payload):
        if topic == self.trafficSignalSubscribeTopic.private + "/routes":
            routes = self.trafficSignalSubscribeTopic.unserialize(payload)
            self.routes = dict(map(lambda x: (x["route_code"], x), routes))
            self.__publish_flag = True

    def update_schedules(self, _client, _userdata, topic, payload):
        if topic == self.trafficSignalSubscribeTopic.private + "/schedules":
            schedules = self.trafficSignalSubscribeTopic.unserialize(payload)
            self.schedules = dict(
                map(lambda x: (x["route_code"], [x]), schedules))
            self.__publish_flag = True

    def update_cycles(self, _client, _userdata, topic, payload):
        if topic == self.trafficSignalSubscribeTopic.private + "/cycles":
            cycles = self.trafficSignalSubscribeTopic.unserialize(payload)
            for cycle in cycles:
                for route_code in cycle["route_codes"]:
                    self.cycles[route_code] = cycle
            self.__publish_flag = True

    @staticmethod
    def get_schedule_from_cycle(cycle, start_time):
        base_time = cycle["base_time"]
        period = cycle["period"]
        phase_time = (start_time - base_time) % period
        state = None
        end_time = start_time
        elapse_time = 0
        for phase in cycle["phases"]:
            elapse_time += phase["duration"]
            state = phase["state"]
            end_time = start_time + (elapse_time - phase_time)
            if phase_time < elapse_time:
                break

        schedule = {
            "state": state,
            "start_time": start_time,
            "duration": end_time - start_time,
        }
        return schedule

    def __update_schedules(self):
        current_time = time()
        for route_code, route in self.routes.items():
            route_schedules = []
            if route_code in self.schedules:
                route_schedules = list(
                    filter(
                        lambda x: current_time <= x["start_time"] + x[
                            "duration"], self.schedules[route_code]))

            if route_code in self.cycles:
                if len(route_schedules) < 3:
                    if len(route_schedules) == 0:
                        start_time = current_time
                    else:
                        start_time = route_schedules[-1][
                            "start_time"] + route_schedules[-1]["duration"]
                    route_schedules.append(
                        self.get_schedule_from_cycle(self.cycles[route_code],
                                                     start_time))

            self.schedules[route_code] = route_schedules

    def update_status(self):
        for route_code, route in self.routes.items():
            if len(self.schedules[route_code]) == 0:
                if route["state"] is not None:
                    self.routes[route_code]["state"] = None
                    self.__publish_flag = True
            else:
                current_schedule = self.schedules[route_code][0]
                state = current_schedule["state"]
                if route["state"] != state:
                    self.routes[route_code]["state"] = state
                    self.__publish_flag = True

    def update_check_time(self):
        if len(self.routes) == 0:
            return 1

        self.__check_time = time() + 600
        for route_schedules in self.schedules.values():
            if 0 < len(route_schedules):
                self.__check_time = min(
                    self.__check_time, route_schedules[0]["start_time"] +
                    route_schedules[0]["duration"])

    def __main_loop(self):
        while True:
            if self.__check_time <= time():
                self.__update_schedules()
                self.update_status()
                self.update_check_time()

            if self.__publish_flag:
                self.publish_status()
                self.__check_time = time()
                self.__publish_flag = False

            sleep(self.__processing_cycle)
Esempio n. 6
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class FleetManager(EventLoop):
    class ACTION(object):
        PUBLISH_RELATIONS = "pub_relations"

    class TOPIC(object):
        PUBLISH = "pub_fleet_manager"
        SUBSCRIBE = "sub_fleet_manager"

    def __init__(self, waypoint, arrow, route):
        super().__init__()

        self.topicUserPublish = Topic()
        self.topicUserPublish.set_root(User.TOPIC.PUBLISH)
        self.topicUserPublish.set_message(user_message)

        self.topicUserSubscribe = Topic()
        self.topicUserSubscribe.set_root(User.TOPIC.SUBSCRIBE)
        self.topicUserSubscribe.set_message(user_message)

        self.topicVehiclePublish = Topic()
        self.topicVehiclePublish.set_root(Vehicle.TOPIC.PUBLISH)
        self.topicVehiclePublish.set_message(vehicle_message)

        self.topicVehicleSubscribe = Topic()
        self.topicVehicleSubscribe.set_root(Vehicle.TOPIC.SUBSCRIBE)
        self.topicVehicleSubscribe.set_message(vehicle_message)

        self.topicTrafficSignalPublish = Topic()
        self.topicTrafficSignalPublish.set_root(TrafficSignal.TOPIC.PUBLISH)
        self.topicTrafficSignalPublish.set_message(traffic_signal_message)

        self.topicFleetManagerPublish = Topic()
        self.topicFleetManagerPublish.set_id(self.event_loop_id)
        self.topicFleetManagerPublish.set_root(FleetManager.TOPIC.PUBLISH)
        self.topicFleetManagerPublish.set_message(fleet_manager_message)

        self.topicFleetManagerSubscribe = Topic()
        self.topicFleetManagerSubscribe.set_id(self.event_loop_id)
        self.topicFleetManagerSubscribe.set_root(FleetManager.TOPIC.SUBSCRIBE)
        self.topicFleetManagerSubscribe.set_message(fleet_manager_message)

        self.waypoint = waypoint
        self.arrow = arrow
        self.route = route

        self.users = {}
        self.vehicles = {}
        self.traffic_signals = {}
        self.relations = {}  # vehicle_id -> user_id, user_id -> vehicle_id

        self.add_on_message_function(self.update_user_status)
        self.add_on_message_function(self.update_vehicle_status)
        self.add_on_message_function(self.update_traffic_signal_status)
        self.add_on_message_function(self.response_request)

        self.set_subscriber(self.topicUserPublish.all)
        self.set_subscriber(self.topicVehiclePublish.all)
        self.set_subscriber(self.topicTrafficSignalPublish.all)
        self.set_subscriber(self.topicFleetManagerSubscribe.all)

    def update_user_status(self, _client, _userdata, topic, payload):
        # print("update_user_status", topic)
        if self.topicUserPublish.root in topic:
            user_id = self.topicUserPublish.get_id(topic)
            message = self.topicUserPublish.unserialize(payload)

            if message["state"] == User.STATE.LOGIN:
                # print("user", User.STATE.LOGIN)
                # todo: move to dispatcher class
                self.dispatch(user_id, message)
            elif message["state"] == User.STATE.WAITING:
                pass
                # print("user", User.STATE.WAITING)
            elif message["state"] == User.STATE.GETTING_ON:
                pass
                # print("user", User.STATE.GETTING_ON)
            elif message["state"] == User.STATE.GOT_ON:
                # print("user", User.STATE.GOT_ON)
                vehicle_id = self.relations[user_id]
                self.vehicles[vehicle_id]["schedules"][0][
                    "action"] = Vehicle.ACTION.MOVE
                payload = self.topicVehicleSubscribe.serialize(
                    {"schedules": self.vehicles[vehicle_id]["schedules"]})
                self.publish(
                    self.topicVehicleSubscribe.root + "/" + vehicle_id +
                    "/schedules", payload)
            elif message["state"] == User.STATE.MOVING:
                pass
                # print("user", User.STATE.MOVING)
            elif message["state"] == User.STATE.GETTING_OUT:
                pass
                # print("user", User.STATE.GETTING_OUT)
            elif message["state"] == User.STATE.GOT_OUT:
                pass
                # print("user", User.STATE.GOT_OUT)
            else:
                print("user", message["state"])

            self.users[user_id] = message

    def update_vehicle_status(self, _client, _userdata, topic, payload):
        if self.topicVehiclePublish.root in topic:
            vehicle_id = self.topicVehiclePublish.get_id(topic)
            message = self.topicVehiclePublish.unserialize(payload)
            # print("update_vehicle_status", topic, message["state"])

            if vehicle_id in self.relations:
                prev_state = self.vehicles[vehicle_id]["state"]
                if message["state"] == SimTaxi.STATE.MOVE_TO_USER:
                    # print("vehicle", SimTaxi.STATE.MOVE_TO_USER)
                    if prev_state == SimTaxi.STATE.STANDBY:
                        user_id = self.relations[vehicle_id]
                        self.users[user_id]["schedules"][0][
                            "action"] = User.ACTION.WAIT
                        self.publish(
                            self.topicUserSubscribe.root + "/" + user_id +
                            "/schedules",
                            self.topicUserSubscribe.serialize({
                                "schedules":
                                self.users[user_id]["schedules"]
                            }))
                elif message["state"] == SimTaxi.STATE.STOP_FOR_PICKING_UP:
                    # print("vehicle", SimTaxi.STATE.STOP_FOR_PICKING_UP)
                    if prev_state == SimTaxi.STATE.MOVE_TO_USER:
                        # print("vehicle", SimTaxi.STATE.STOP_FOR_PICKING_UP, SimTaxi.STATE.MOVE_TO_USER)
                        user_id = self.relations[vehicle_id]
                        self.users[user_id]["schedules"][0][
                            "action"] = User.ACTION.GET_ON
                        self.publish(
                            self.topicUserSubscribe.root + "/" + user_id +
                            "/schedules",
                            self.topicUserSubscribe.serialize({
                                "schedules":
                                self.users[user_id]["schedules"]
                            }))
                elif message[
                        "state"] == SimTaxi.STATE.MOVE_TO_USER_DESTINATION:
                    # print("vehicle", SimTaxi.STATE.MOVE_TO_USER_DESTINATION)
                    if prev_state == SimTaxi.STATE.STOP_FOR_PICKING_UP:
                        # print("vehicle", SimTaxi.STATE.MOVE_TO_USER_DESTINATION, SimTaxi.STATE.STOP_FOR_PICKING_UP)
                        user_id = self.relations[vehicle_id]
                        self.users[user_id]["schedules"][0][
                            "event"] = User.EVENT.MOVE_VEHICLE
                        self.publish(
                            self.topicUserSubscribe.root + "/" + user_id +
                            "/event",
                            self.topicUserSubscribe.serialize(
                                {"event": User.EVENT.MOVE_VEHICLE}))
                elif message["state"] == SimTaxi.STATE.STOP_FOR_DISCHARGING:
                    # print("vehicle", SimTaxi.STATE.STOP_FOR_DISCHARGING)
                    if prev_state == SimTaxi.STATE.MOVE_TO_USER_DESTINATION:
                        user_id = self.relations[vehicle_id]
                        self.users[user_id]["schedules"][0][
                            "action"] = User.ACTION.GET_OUT
                        self.publish(
                            self.topicUserSubscribe.root + "/" + user_id +
                            "/schedules",
                            self.topicUserSubscribe.serialize({
                                "schedules":
                                self.users[user_id]["schedules"]
                            }))
                elif message["state"] == SimTaxi.STATE.MOVE_TO_STANDBY:
                    pass
                    # print("vehicle", SimTaxi.STATE.MOVE_TO_STANDBY)
                elif message["state"] == SimTaxi.STATE.STANDBY:
                    pass
                    # print("vehicle", SimTaxi.STATE.STANDBY)
                else:
                    print("vehicle", message["state"])

            # vehicleSchedule = vehicle.pop("schedule")
            if vehicle_id not in self.vehicles:
                # print("set vehicle", vehicle_id, message["name"])
                self.vehicles[vehicle_id] = message
            else:
                # print("update vehicle", vehicle_id, message["name"])
                self.vehicles[vehicle_id].update(message)

    def update_traffic_signal_status(self, _client, _userdata, topic, payload):
        if self.topicTrafficSignalPublish.root in topic:
            message = self.topicTrafficSignalPublish.unserialize(payload)
            for route in message["routes"]:
                self.traffic_signals[route["route_code"]] = route

    def response_request(self, _client, _userdata, topic, payload):
        if self.topicFleetManagerSubscribe.root in topic:
            message = self.topicFleetManagerSubscribe.unserialize(payload)
            if message["action"] == FleetManager.ACTION.PUBLISH_RELATIONS:
                self.publish_relations()

    def get_dispatchable_vehicles(self):
        return dict(
            filter(lambda x: x[1]["state"] in [SimTaxi.STATE.STANDBY],
                   self.vehicles.items()))

    def dispatch(self, user_id, user_status):
        start_point = {
            "arrow_code":
            self.arrow.get_arrow_codes_from_waypoint_id(
                user_status["schedules"][0]["start"]["waypoint_id"])[0],
            "waypoint_id":
            user_status["schedules"][0]["start"]["waypoint_id"],
        }
        vehicles = self.get_dispatchable_vehicles()
        if len(vehicles) == 0:
            print("no dispatchable vehicles")
            return

        goal_points = []
        for vehicle_id, goal_waypoint_id in map(
                lambda x: (x[0], x[1]["location"]["waypoint_id"]),
                vehicles.items()):
            goal_points.append({
                "goal_id":
                vehicle_id,
                "arrow_code":
                self.arrow.get_arrow_codes_from_waypoint_id(goal_waypoint_id)
                [0],
                "waypoint_id":
                goal_waypoint_id,
            })
        routes = self.route.get_shortest_routes(start_point,
                                                goal_points,
                                                reverse=True)
        if len(routes) == 0:
            print("no pick_up_route")
            return
        pick_up_route = min(routes.items(), key=lambda x: x[1]["cost"])[1]

        vehicle_id = pick_up_route["goal_id"]

        start_point = {
            "arrow_code":
            self.arrow.get_arrow_codes_from_waypoint_id(
                user_status["schedules"][0]["start"]["waypoint_id"])[0],
            "waypoint_id":
            user_status["schedules"][0]["start"]["waypoint_id"],
        }
        goal_points = [{
            "goal_id":
            user_id,
            "arrow_code":
            self.arrow.get_arrow_codes_from_waypoint_id(
                user_status["schedules"][0]["goal"]["waypoint_id"])[0],
            "waypoint_id":
            user_status["schedules"][0]["goal"]["waypoint_id"],
        }]
        routes = self.route.get_shortest_routes(start_point,
                                                goal_points,
                                                reverse=False)
        if len(routes) == 0:
            print("cant carry_route")
            return
        carry_route = min(routes.items(), key=lambda x: x[1]["cost"])[1]

        current_time = time()
        vehicle_schedule = deepcopy(
            self.topicVehicleSubscribe.get_template()["schedules"][0])
        vehicle_schedule.update({
            "name": "pickup",
            "start_time": current_time,
            "duration": 1000,
            "action": Vehicle.ACTION.MOVE,
            "route": {
                "start": {
                    "waypoint_id": pick_up_route["goal_waypoint_id"],
                },
                "goal": {
                    "waypoint_id": pick_up_route["start_waypoint_id"],
                },
                "arrow_codes": pick_up_route["arrow_codes"],
            }
        })
        self.vehicles[vehicle_id]["schedules"].append(vehicle_schedule)

        vehicle_schedule = deepcopy(
            self.topicVehicleSubscribe.get_template()["schedules"][0])
        vehicle_schedule.update({
            "name": "takeOn",
            "start_time": current_time + 1000,
            "duration": 10,
            "action": Vehicle.ACTION.STOP,
        })
        self.vehicles[vehicle_id]["schedules"].append(vehicle_schedule)

        vehicle_schedule = deepcopy(
            self.topicVehicleSubscribe.get_template()["schedules"][0])
        vehicle_schedule.update({
            "name": "carry",
            "start_time": current_time + 1010,
            "duration": 1000,
            "action": Vehicle.ACTION.MOVE,
            "route": {
                "start": {
                    "waypoint_id": carry_route["start_waypoint_id"],
                },
                "goal": {
                    "waypoint_id": carry_route["goal_waypoint_id"],
                },
                "arrow_codes": carry_route["arrow_codes"],
            }
        })
        self.vehicles[vehicle_id]["schedules"].append(vehicle_schedule)

        vehicle_schedule = deepcopy(
            self.topicVehicleSubscribe.get_template()["schedules"][0])
        vehicle_schedule.update({
            "name": "discharge",
            "start_time": current_time + 2010,
            "duration": 10,
            "action": Vehicle.ACTION.STOP,
        })
        self.vehicles[vehicle_id]["schedules"].append(vehicle_schedule)

        vehicle_schedule = deepcopy(
            self.topicVehicleSubscribe.get_template()["schedules"][0])
        vehicle_schedule.update({
            "name": "standBy",
            "start_time": current_time + 2020,
            "duration": 86400,
            "action": SimTaxi.ACTION.STANDBY,
        })
        self.vehicles[vehicle_id]["schedules"].append(vehicle_schedule)

        payload = self.topicVehicleSubscribe.serialize(
            {"schedules": self.vehicles[vehicle_id]["schedules"]})
        self.publish(
            self.topicVehicleSubscribe.root + "/" + vehicle_id + "/schedules",
            payload)

        self.relations[user_id] = vehicle_id
        self.relations[vehicle_id] = user_id

        self.publish_relations()

    def publish_relations(self):
        message = self.topicFleetManagerPublish.get_template()
        message["time"] = time()
        message["relations"] = self.relations
        payload = self.topicFleetManagerPublish.serialize(message)
        self.publish(self.topicFleetManagerPublish.private, payload)
Esempio n. 7
0
class Autoware(Vehicle):
    class ROSTOPIC(object):
        PUBLISH = "/based/lane_waypoints_array"
        SUBSCRIBE = "/closest_waypoint"

    class TOPIC(object):
        PUBLISH = "pub_autoware"
        SUBSCRIBE = "sub_autoware"

    def __init__(self,
                 name,
                 waypoint,
                 arrow,
                 route,
                 waypoint_id,
                 velocity,
                 schedules=None,
                 dt=1.0):
        super().__init__(name, waypoint, arrow, route, waypoint_id, velocity,
                         schedules, dt)

        self.name = name

        self.autowarePublishTopic = Topic()
        self.autowarePublishTopic.set_id(self.name)
        self.autowarePublishTopic.set_root(Autoware.TOPIC.PUBLISH)
        self.autowarePublishTopic.set_message(autoware_message)

        self.autowareSubscribeTopic = Topic()
        self.autowareSubscribeTopic.set_id(self.name)
        self.autowareSubscribeTopic.set_root(Autoware.TOPIC.SUBSCRIBE)
        self.autowareSubscribeTopic.set_message(autoware_message)

        self.pose_index = 0
        self.current_poses = []

        self.add_on_message_function(self.set_autoware_pose)
        self.set_subscriber(self.autowareSubscribeTopic.private +
                            "/closest_waypoint")

    def set_autoware_pose(self, _client, _userdata, topic, payload):
        if topic == self.autowareSubscribeTopic.private + "/closest_waypoint":
            message = self.autowareSubscribeTopic.unserialize(payload)
            if 0 <= message["index"] < len(self.current_poses):
                self.pose_index = message["index"]
                print(self.current_poses[self.pose_index])
                self.arrow_code = self.current_poses[
                    self.pose_index]["arrow_code"]
                self.waypoint_id = self.current_poses[
                    self.pose_index]["waypoint_id"]
                self.position = self.waypoint.get_position(self.waypoint_id)
                self.yaw = self.arrow.get_heading(self.arrow_code,
                                                  self.waypoint_id)
            else:
                print("Lost Autoware.")

    def set_autoware_waypoints(self):
        waypoints = []
        schedule = self.schedules[0]

        arrow_waypoint_array = self.route.get_arrow_waypoint_array({
            "start_waypoint_id":
            schedule["route"]["start"]["waypoint_id"],
            "goal_waypoint_id":
            schedule["route"]["goal"]["waypoint_id"],
            "arrow_codes":
            schedule["route"]["arrow_codes"]
        })
        for arrowWaypoint in arrow_waypoint_array:
            waypoint_id = arrowWaypoint["waypoint_id"]
            waypoints.append({
                "position":
                dict(
                    zip(["x", "y", "z"],
                        self.waypoint.get_position(waypoint_id))),
                "orientation":
                dict(
                    zip(["w", "x", "y", "z"],
                        axangle2quat([0, 0, 1],
                                     self.waypoint.get_yaw(waypoint_id)))),
                "velocity":
                2.0
            })
        if 0 < len(waypoints):
            num = min(10, len(waypoints))
            for i in range(num - 1, 0, -1):
                waypoints[-i]["velocity"] = (
                    i / num) * waypoints[-i - 1]["velocity"]
            self.current_poses = arrow_waypoint_array
            payload = self.autowarePublishTopic.serialize(waypoints)
            self.publish(self.autowarePublishTopic.private + "/waypoints",
                         payload)
Esempio n. 8
0
class Vehicle(EventLoop):

    class TOPIC(object):
        PUBLISH = "pub_vehicle"
        SUBSCRIBE = "sub_vehicle"

        class GEO(object):
            PUBLISH = "pub_geo_vehicle"
            SUBSCRIBE = "sub_geo_vehicle"

    class STATE(object):
        MOVE = "move"
        STOP = "stop"
        WILL = "will"

    class ACTION(object):
        MOVE = "move"
        STOP = "stop"

    def __init__(self, name, waypoint, arrow, route, waypoint_id, velocity, schedules=None, dt=1.0):
        super().__init__()

        self.topicVehiclePublish = Topic()
        self.topicVehiclePublish.set_id(self.event_loop_id)
        self.topicVehiclePublish.set_root(Vehicle.TOPIC.PUBLISH)
        self.topicVehiclePublish.set_message(vehicle_message)

        self.topicVehicleSubscribe = Topic()
        self.topicVehicleSubscribe.set_id(self.event_loop_id)
        self.topicVehicleSubscribe.set_root(Vehicle.TOPIC.SUBSCRIBE)
        self.topicVehicleSubscribe.set_message(vehicle_message)

        self.topicGeoVehiclePublish = Topic()
        self.topicGeoVehiclePublish.set_id(self.event_loop_id)
        self.topicGeoVehiclePublish.set_root(Vehicle.TOPIC.GEO.PUBLISH)
        self.topicGeoVehiclePublish.set_message(geo_vehicle_message)

        self.name = name
        self.state = Vehicle.STATE.STOP
        self.event = None
        self.action = None
        self.waypoint = waypoint
        self.arrow = arrow
        self.route = route
        self.waypoint_id = waypoint_id
        self.position = self.waypoint.get_position(self.waypoint_id)
        self.velocity = velocity
        self.schedules = schedules
        self.dt = dt

        self.arrow_code = self.arrow.get_arrow_codes_from_waypoint_id(waypoint_id)[0]
        self.position = self.waypoint.get_position(self.waypoint_id)
        self.yaw = self.arrow.get_heading(self.arrow_code, self.waypoint_id)

        self.add_on_message_function(self.update_schedules)
        self.add_on_message_function(self.update_event)
        self.set_subscriber(self.topicVehicleSubscribe.private+"/schedules")
        self.set_subscriber(self.topicVehicleSubscribe.private+"/event")
        self.set_main_loop(self.__main_loop)

    def publish_status(self):
        xyz = self.position.data[:]
        message = self.topicVehiclePublish.get_template()
        message["name"] = self.name
        message["state"] = self.state
        message["event"] = self.event
        message["location"]["waypoint_id"] = self.waypoint_id
        message["location"]["geohash"] = self.waypoint.get_geohash(self.waypoint_id)
        message["location"]["arrow_code"] = self.arrow_code
        message["pose"]["position"]["x"] = xyz[0]
        message["pose"]["position"]["y"] = xyz[1]
        message["pose"]["position"]["z"] = xyz[2]
        message["pose"]["orientation"]["yaw"] = self.yaw
        message["schedules"] = self.schedules
        payload = self.topicVehiclePublish.serialize(message)
        self.publish(self.topicVehiclePublish.private, payload)
        self.publish(
            self.topicGeoVehiclePublish.root+"/"+"/".join(self.waypoint.get_geohash(self.waypoint_id)),
            self.event_loop_id)

    def update_schedules(self, _client, _userdata, topic, payload):
        if topic == self.topicVehicleSubscribe.private+"/schedules":
            message = self.topicVehicleSubscribe.unserialize(payload)
            self.schedules = message["schedules"]

    def update_event(self, _client, _userdata, topic, payload):
        if topic == self.topicVehicleSubscribe.private+"/event":
            message = self.topicVehicleSubscribe.unserialize(payload)
            self.event = message["event"]

    def update_status(self):
        return

    def __main_loop(self):
        sleep(1)

        self.publish_status()

        while self.schedules is not None:
                sleep(self.dt)
                self.update_status()
                self.publish_status()

        return True