服务器无法将消息从一个客户端发送到python套接字编程中的客户端列表答案

【问题标题】：Server can't send the message from one client to the list of clients in python socket programming服务器无法将消息从一个客户端发送到python套接字编程中的客户端列表
【发布时间】：2021-12-03 15:47:29
【问题描述】：

客户端能够成功连接到服务器，但是当我从一个客户端发送消息“！sendall”时，列表中的其他客户端没有收到此消息“发送给所有人！”。我不确定我做错了什么。请协助。谢谢。

server.py

import socket
import os
from _thread import *

ServerSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
ServerSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

host = '192.168.3.248'
port = 9368
ThreadCount = 0
ipList = []
conList = []

try:
    ServerSocket.bind((host, port))
except socket.error as e:
    print(str(e))

print('Waiting for a Connection..')
ServerSocket.listen(5)


def threaded_client(connection, addr):
    connection.send(str.encode('Welcome to the Server'))
    while True:
        data = connection.recv(2048)
        print(data.decode())
        if data.decode()[0:2] == '!q':
            connection.close()
            break;

        elif data.decode()[0:8] == '!sendall':
            for ipAddr in ipList:
                if addr != ipAddr:
                    connection.sendto(b'Sending this to All!', ipAddr)

        else:
            reply = 'Server Says: ' + data.decode('utf-8')
            connection.sendall(str.encode(reply))

        if not data:
            break
    connection.close()


while True:
    Client, address = ServerSocket.accept()
    if address not in ipList:
        ipList.append(address)

    if Client not in conList:
        conList.append(Client)
    print('Connected to: ' + address[0] + ':' + str(address[1]))
    print("Added IP to the list")
    start_new_thread(threaded_client, (Client, address, ))
    ThreadCount += 1
    print('Thread Number: ' + str(ThreadCount))
ServerSocket.close()

client.py

import socket

ClientSocket = socket.socket()
host = '192.168.3.248'
port = 9368

print('Waiting for connection')
try:
    ClientSocket.connect((host, port))
except socket.error as e:
    print(str(e))

Response = ClientSocket.recv(1024)
while True:
    Input = input('Say Something: ')
    ClientSocket.send(str.encode(Input))
    Response = ClientSocket.recv(1024)
    print(Response.decode('utf-8'))

ClientSocket.close()

----从服务器输出----

Waiting for a Connection..
Connected to: 192.168.3.114:49968
Added IP to the list
Thread Number: 1
Connected to: 192.168.3.248:30750
Added IP to the list
Thread Number: 2

---- 来自一个客户端的输出 -----

Waiting for connection
Say Something: Hello
Server Says: Hello
Say Something: !sendall      
Sending this to All!  <---------- The other connected clients doesn't receive this message, which they are supposed to receieve

【问题讨论】：

标签： python-3.x sockets client-server

【解决方案1】：

问题是您正在为该行中的每个客户端启动一个新线程

start_new_thread(threaded_client, (Client, address, ))

每个线程只有一个客户端连接，您必须使用Queue 将信息传递给每个线程。

【讨论】：