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python socket编程腾讯云下报错[Errno 99] Can not assign request address的解决方式

念川LNSC 2022-04-29 阅读 66
python

先写服务端 server.py:

import socket
import time
 
HOST = '172.17.xx.xx'  #服务器的私网IP
#HOST = 'localhost'
PORT = 8001
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind((HOST, PORT))
sock.listen(5)
while True:
    connection,address = sock.accept()
    try:
        connection.settimeout(10)
        buf = connection.recv(1024)
        if buf:
            connection.send(b'welcome to server!')
            print('Connection success!')
        else:
            connection.send(b'please go out!')
    except socket.timeout:
        print ('time out')
    connection.close()

客户端 client.py:

import socket
import time
 
#HOST = 'localhost'
HOST = '212.64.xx.xx'  #服务器的公网IP
PORT = 8001
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((HOST, PORT))
time.sleep(2)
sock.send(b'')
print (sock.recv(1024).decode())
sock.close()

使用本地测试(即HOST='localhost')是可以的,但是在腾讯云/阿里云上报错“[Errno 99] Cannot assign request address”,解决方法:服务端的ip填私网ip,客户端填公网ip。

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