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[英]How to communicate with clients from python socket server individually?
[英]How to send request disconnect from server to all clients and server still live (python socket)
当我断开服务器中的所有客户端时,服务器不会继续直播。 我该如何为生活服务器做些什么
import socket, threading, tkinter
服务器
import socket, threading, tkinter
import time
def sendDisconnectAll(my_clients):
for client in my_clients:
conn = client[0]
conn.sendall('Disconnect'.encode('utf8'))
conn.close()
def handle_client(conn, addr):
while True:
try:
request_from_clients = conn.recv(1024).decode('utf8') #sample request
print(request_from_clients)
if request_from_clients == 'SignIn':
conn.sendall('Accept Sign in'.encode('utf8'))
except:
print('Client has been shutdown')
break
my_clients = []
def live_server():
global thr
global s
while True:
try:
conn, addr = s.accept()
my_clients.append((conn, addr))
thr = threading.Thread(target=handle_client, args=(conn, addr))
thr.daemon = True
thr.start()
except:
print("Error")
HOST = '127.0.0.1'
PORT = 8000
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen()
print('HOST: ', HOST)
print('PORT: ', PORT)
thr = threading.Thread(target=live_server)
thr.daemon = True
thr.start()
count_time = time.time()
while True:
now = time.time()
if (int(now - count_time) + 1) % 10 == 0: #Disconnect all clients after 10 seconds
count_time = now
request = 'Disconnect'
print('Disconnec all')
sendDisconnectAll(my_clients)
客户
import socket, threading
import tkinter as tk
from tkinter import *
def signIn():
global client
request = 'SignIn'
try:
client.sendall(request.encode('utf8'))
client.recv(1024).decode('utf8')
except:
print('Server has been shutdown')
IP = input("Enter IP: ")
PORT = input("Enter PORT: ")
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
client.connect((IP, int(PORT)))
except:
print("Can't connect to server")
client.close()
def live_client():
global client
while True:
print(client.recv(1024).decode('utf8'))
thr = threading.Thread(target=live_client)
thr.daemon = True
thr.start()
app = Tk()
app.title('CLIENT')
but_connect = tk.Button(app, text="SIGN IN",
width=20, command=signIn)
but_connect.pack(pady=6)
app.mainloop()
谢谢!
问题是您只将客户端添加到my_clients
列表中。 让我们看看服务器中发生了什么:
my_clients
关闭所有客户端 sockets 后必须清除my_clients
列表:
def sendDisconnectAll(my_clients):
for client in my_clients:
conn = client[0]
conn.sendall('Disconnect'.encode('utf8'))
conn.close()
my_clients.clear()
当心:我没有看客户端代码......
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