用python编写nmap扫描工具--多线程版

def scan_port(host,port):
    sk = socket.socket()
    sk.settimeout(0.5)
    conn_result = sk.connect_ex((host, port))
    if conn_result == 0:
        print(f'服务器{host}的{port}端口已开放')
    sk.close()

import socket
import threading
import time


def scan_port(host,port):
    sk = socket.socket()
    sk.settimeout(0.5)
    conn_result = sk.connect_ex((host, port))
    if conn_result == 0:
        print(f'服务器{host}的{port}端口已开放')
    sk.close()

# 8.129.162.225
start_time = time.time()
host = input('请输入服务器ip地址:')
thread_list = []
for port in range(0, 65536):
    t = threading.Thread(target=scan_port, args=(host, port))
    thread_list.append(t)

for thread in thread_list:
    thread.start()

for thread in thread_list:
    thread.join()

end_time = time.time()
print(f'耗时:{end_time-start_time}')