RODY/app/utils/websocket_tool.py

"""
@Time ： 2022/10/12 17:55
@Auth ： 东
@File ：websocket_tool.py
@IDE ：PyCharm
@Motto：ABC(Always Be Coding)
@Desc：

"""
import json
from typing import Union, List, Dict

from core.common_utils import logger
from utils.JSONEncodeTools import MyEncoder


class WebsocketUtil:
    def __init__(self):
        self.active_connections: List = []
        self.active_connections_dist: Dict = {}

    def connect(self, ws, id: str):
        # 等待连接
        msg = ws.receive()
        # 存储ws连接对象
        self.active_connections.append(ws)
        if id in self.active_connections_dist:
            self.active_connections_dist[id].append(ws)
        else:
            ws_list = [ws, ]
            self.active_connections_dist[id] = ws_list

    def disconnect(self, ws, id):
        # ws关闭时 移除ws对象
        if ws.closed:
            if ws in self.active_connections_dist.values():
                self.active_connections.remove(ws)
                self.active_connections_dist[id].pop(ws)

    @staticmethod
    async def send_personal_message(message: str, ws):
        # 发送个人消息
        await ws.send(message)

    def broadcast(self, message: str):
        # 广播消息
        for connection in self.active_connections:
            connection.send(message)

    def send_message_proj_json(self, message: Union[str, int, List, Dict], id: str):
        # 广播该项目的消息
        for connection in self.active_connections_dist[id]:
            try:
                connection.send(json.dumps(message, cls=MyEncoder, indent=4), )
            except Exception as e:
                logger.error("websocket异常断开，{}", e)
                self.disconnect(ws=connection, id=id)


manager = WebsocketUtil()