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import logging
from websocket_server import WebsocketServer
import json
from time import sleep
import math
import threading
class Server:
def __init__(self):
self.t=0
self.clients=[]
self.running=False
def new_client(self,client,server):
self.clients.append(client)
print("Client(%d) has joined." % client['id'])
def client_left(self, client, server):
print("Client(%d) disconnected." % client['id'])
# def updateStatus(self, client, server):
# data={'x':self.x}
# server.send_message(client,json.dump(data))
def send_sine_wave(self, server):
while self.running:
# 计算正弦值 (频率设为1Hz)
x = 0.5*math.sin(2 * math.pi * 0.1* self.t)+0.5
# 发送给所有连接的客户端
data={'t':self.t,'x':x}
for client in self.clients:
server.send_message(client, json.dumps(data))
# 更新时间并等待0.1秒
self.t += 0.1
sleep(0.1)
def start_server(self):
server = WebsocketServer(port=4200, host='127.0.0.1', loglevel=logging.INFO)
server.set_fn_new_client(self.new_client)
server.set_fn_client_left(self.client_left)
self.running = True
# 启动发送正弦波的线程
threading.Thread(target=self.send_sine_wave, args=(server,), daemon=True).start()
server.run_forever()
server=Server()
server.start_server()
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