52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
from __future__ import annotations
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import asyncio
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import json
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import logging
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import typing
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import websockets
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class Node:
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endpoints: typing.List
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def __init__(self):
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self.endpoints = []
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def broadcast_all(self, msgs):
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msgs = json.dumps(msgs)
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for endpoint in self.endpoints:
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asyncio.create_task(self.send_json_msgs(endpoint, msgs))
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async def send_msgs(self, endpoint: Endpoint, msgs):
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if not endpoint.socket or not endpoint.socket.open or endpoint.socket.closed:
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return
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try:
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await endpoint.socket.send(json.dumps(msgs))
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except websockets.ConnectionClosed:
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logging.exception("Exception during send_msgs")
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await self.disconnect(endpoint)
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async def send_json_msgs(self, endpoint: Endpoint, msg: str):
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if not endpoint.socket or not endpoint.socket.open or endpoint.socket.closed:
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return
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try:
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await endpoint.socket.send(msg)
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except websockets.ConnectionClosed:
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logging.exception("Exception during send_msgs")
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await self.disconnect(endpoint)
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async def disconnect(self, endpoint):
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if endpoint in self.endpoints:
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self.endpoints.remove(endpoint)
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class Endpoint:
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socket: websockets.WebSocketServerProtocol
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def __init__(self, socket):
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self.socket = socket
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async def disconnect(self):
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raise NotImplementedError
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