Python flask app socketIO脚本期间的服务器等待
我正在尝试在flask web socket应用程序的服务器端脚本中创建时间延迟 最终,我希望服务器能够同时处理许多请求,并且能够以固定的时间间隔向客户机发回两个数据包 当我在两个Python flask app socketIO脚本期间的服务器等待,python,flask-socketio,Python,Flask Socketio,我正在尝试在flask web socket应用程序的服务器端脚本中创建时间延迟 最终,我希望服务器能够同时处理许多请求,并且能够以固定的时间间隔向客户机发回两个数据包 当我在两个flask\u socketio.emit语句之间使用time.sleep(x)时,客户机在睡眠完成后一起接收套接字发出事件 如何实现发射X;等待1秒;在python flask应用程序中发出Z 服务器端代码摘录: from flask import Flask, request from flask_socketio
flask\u socketio.emit
语句之间使用time.sleep(x)
时,客户机在睡眠完成后一起接收套接字发出事件
如何实现发射X;等待1秒;在python flask应用程序中发出Z
服务器端代码摘录:
from flask import Flask, request
from flask_socketio import SocketIO, join_room, emit
app = Flask(__name__)
socketio = SocketIO(app)
@socketio.on('ping')
def ping(appState):
"""send 2 pings, between a time interval"""
room = appState["sessionID"]
emit('serverPingResponse', {'room': room, 'msg':"Ping Received by Server"})
time.sleep(5)
emit('serverPingResponse', {'room': room, 'msg':"2nd time-delayed ping"})
return
var socket = io.connect('http://' + document.domain + ':' + location.port);
socket.on("serverPingResponse", function(msg){
// listen to server ping and print the message to console
let d = new Date();
console.log("ping received at "+d.toLocaleTimeString(), msg)
});
客户端代码摘录:
from flask import Flask, request
from flask_socketio import SocketIO, join_room, emit
app = Flask(__name__)
socketio = SocketIO(app)
@socketio.on('ping')
def ping(appState):
"""send 2 pings, between a time interval"""
room = appState["sessionID"]
emit('serverPingResponse', {'room': room, 'msg':"Ping Received by Server"})
time.sleep(5)
emit('serverPingResponse', {'room': room, 'msg':"2nd time-delayed ping"})
return
var socket = io.connect('http://' + document.domain + ':' + location.port);
socket.on("serverPingResponse", function(msg){
// listen to server ping and print the message to console
let d = new Date();
console.log("ping received at "+d.toLocaleTimeString(), msg)
});
控制台输出
pinging server...
ping received at 10:43:14 AM
Object { room: "wvdhj01f3p", msg: "Ping Received by Server" }
ping received at 10:43:14 AM
Object { room: "wvdhj01f3p", msg: "2nd time-delayed ping" }
期望的输出是第一个ping将在
10:43:09
接收,第二个ping将在10:43:14
接收,您正在使用time.sleep()
函数,我猜它正在阻塞您的服务器。尝试改用socketio.sleep()
,这将实现与您正在使用的异步框架(eventlet、gevent)兼容的协作睡眠。完美。我错误地认为我的flask应用程序会自动绿化时间模块