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Python套接字等待客戶端連接

[英]Python socket wait for client connection

有沒有辦法停止while循環,直到客戶端連接到該服務器? 服務器應該為每個新的客戶端連接創建一個新線程,這可能嗎?

import socket
import threading

def clientdialog(myS):
    conn, addr = myS.accept()
    print ("Connection from: " + str(addr))

    while 1:
                data = conn.recv(1024).decode("utf-8")
                if not data or data == 'q':
                    break
                print ("from connected  user: " + str(data))

host = "192.168.1.3"
port = 1998

mySocket = socket.socket()
mySocket.bind((host,port))

while True:

    mySocket.listen(10)
    #whait until socket don't connect

    try:
        threading._start_new_thread(clientdialog, (mySocket))
    except:
        print("error starting thread")

socket.listen函數將被調用一次,因為它設置了連接隊列的大小。

另一個名為socket.accept函數將阻塞,直到建立連接為止。 像這樣修改您的代碼:

mySocket = socket.socket()
mySocket.bind((host,port))
mySocket.listen(10)

while True:
    client_socket, client_address = mySocket.accept() # blocking call
    .... # do something with the connection

有關更多信息,請訪問docs

另外,您希望將客戶端套接字的詳細信息傳遞給線程。 不需要服務器套接字。 實際上,是這樣的:

def handle_client(client_socket, client_address):
    .... # do something with client socket
    client_socket.close()

...

while True:
    client_socket, client_address = mySocket.accept()
    T = threading.Thread(target=handle_client, args=(client_socket, client_address))
    T.start()

您在主循環中接受連接,然后將客戶端詳細信息傳遞給線程進行處理。

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