83 lines
2.1 KiB
Python
83 lines
2.1 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2023-2024 Huawei Cloud Computing Technology Co., Ltd. All rights reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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from abc import abstractmethod, ABCMeta
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class Connection(metaclass=ABCMeta):
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"""
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Iot连接，代表设备和平台之间的一个连接
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"""
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@abstractmethod
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def connect(self):
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"""
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建立连接
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Returns:
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int: 建立连接结果，0表示成功，其他表示失败
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"""
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@abstractmethod
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def publish_message(self, message, listener):
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"""
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发布消息 （参数是否需要 message 和 listener）
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Args:
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message: 原始数据
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listener: 监听器，可以为None
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"""
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@abstractmethod
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def close(self):
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"""
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关闭连接
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"""
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@abstractmethod
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def is_connected(self):
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"""
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是否连接中
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"""
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@abstractmethod
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def add_connect_listener(self, connect_listener):
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"""
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设置链路监听器
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Args:
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connect_listener: 链路监听器
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"""
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@abstractmethod
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def set_connect_action_listener(self, connect_action_listener):
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"""
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设置连接动作监听器
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Args:
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connect_action_listener: 连接动作监听器
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"""
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@abstractmethod
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def subscribe_topic(self, topic: str, qos: int):
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"""
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订阅自定义topic
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Args:
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topic: 自定义的topic
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qos: qos
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"""
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