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python 高并发 select socket_python – 使用select处理多个请求

發(fā)布時(shí)間:2025/4/16 python 50 豆豆
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目前我正在開發(fā)一個(gè)聊天服務(wù)器/客戶端項(xiàng)目.

我正在努力處理使用select的多個(gè)請(qǐng)求,我的服務(wù)器腳本使用select模塊但客戶端腳本沒有.結(jié)果是,當(dāng)用戶輸入消息時(shí),其他客戶端必須編寫自己的消息以通讀對(duì)話.我在網(wǎng)上搜索了很多例子,但是只能找到sys.stdin的代碼片段,這不是我想要的.

我很樂意接受任何指示/解釋.

服務(wù)器代碼:

import socket

import select

server_socket = socket.socket()

server_socket.bind(("0.0.0.0", 2855))

server_socket.listen(1)

open_client_sockets = [] # current clients handler

messages_to_send = [] # future message send handler

def send_waiting_messages(wlist):

for message in messages_to_send:

(client_socket, data) = message

if client_socket in wlist: # if current socket in iteration has reading abilities

client_socket.send(data)

messages_to_send.remove(message) # remove from future send handler

def broadcast_message(sock, message):

for socket in open_client_sockets:

if socket != server_socket and socket != sock:

socket.send(message)

while True:

rlist, wlist, xlist = select.select([server_socket] + open_client_sockets, open_client_sockets, []) # apending reading n writing socket to list

for current_socket in rlist: # sockets that can be read

if current_socket is server_socket: # if there is a new client

(new_socket, address) = server_socket.accept()

open_client_sockets.append(new_socket) # clients list

else:

data = current_socket.recv(1024)

if len(data) == 0:

open_client_sockets.remove(current_socket) # remove user if he quit.

print "Connection with client closed."

send_waiting_messages(wlist) # send message to specfic client

else:

broadcast_message(current_socket, "" + ' ')

# send_waiting_messages(wlist) # send message to specfic client

server_socket.close()

客戶代碼:

import socket

import msvcrt

client_socket = socket.socket()

client_socket.connect(("127.0.0.1", 2855))

data = ""

def read_message():

msg = ""

while True:

if msvcrt.kbhit():

key = msvcrt.getch()

if key == '': # Enter key

break

else:

msg = msg + "" + key

return msg

while data != "quit":

data = read_message()

client_socket.send(data)

data = client_socket.recv(1024)

print data

client_socket.close()

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