python3的soker模块实现功能

import socket
import subprocess
server = socket.socket()    #创建对象
server.bind((‘‘, 8888))   #绑定代码（IP地址，端口号），第一个可以写IP地址或者localhost，如果不写的话，说明允许想和太主机上的所有ip都可以接受连接
server.listen(5)    #监听代码，设置最大连接数，参数为整数，当第一个连接上的时候，其他的都不会连接，等第一个退出的时候，其他的顶上。
print(‘等待连接.....‘)
conn, addr = server.accept()    #被动接受请求
print(‘已连接......‘)
while True:     #死循环
    data = conn.recv(10240)     #接受消息，最多接收的字节数为10240，那么多余的字符将会在下次接收的过程中进行接收。
    cmd = subprocess.Popen(data.decode(‘utf-8‘),
                           shell=True,
                           stdout=subprocess.PIPE,
                           stderr=subprocess.PIPE)
    stdout = cmd.stdout.read()
    stderr = cmd.stderr.read()
    conn.send(stdout + stderr)  #发送消息

import socket
import threading
client = socket.socket()
client.connect((‘192.168.29.137‘, 8888))    #客户端连接服务端
while True:
    info = input(‘===>:‘)   #交互
    if not info:continue
    client.send(info.encode(‘utf-8‘))
    data = client.recv(10240)   #接收消息代码
    print(data.decode(‘utf-8‘))

import socket
import subprocess
import threading
server = socket.socket()
server.bind((‘‘, 8888))
server.listen(5)
print(‘等待电话.....‘)
conn, addr = server.accept()
print(‘电话来了......‘)
def recv():
    while True:
        data = conn.recv(10240)
        print(data.decode(‘utf-8‘))
def send():
    while True:
        data = input(‘===>:‘)
        conn.send(data.encode(‘utf-8‘))
t1 = threading.Thread(target=recv)
t2 = threading.Thread(target=send)
t1.start()
t2.start()

import socket
import threading
client = socket.socket()
client.connect((‘localhost‘, 8888))
def send():
    while True:
        info = input(‘===>:‘)
        client.send(info.encode(‘utf-8‘))
def recv():
    while True:
        data = client.recv(1024)
        print(data.decode(‘utf-8‘))

t1 = threading.Thread(target=send)
t2 = threading.Thread(target=recv)
t1.start()
t2.start()

import re
import socket

def sendmail(aa):
    import smtplib
    from email.mime.text import MIMEText
    from email.header import Header
    sender = ‘发送的邮箱‘
    receiver = ‘接收的邮箱‘
    subject = ‘报警‘
    username = ‘邮箱用户名‘
    password = ‘邮箱密码‘
    msg = MIMEText(aa, ‘plain‘, ‘utf-8‘)
    msg[‘Subject‘] = Header(subject, ‘utf-8‘)
    msg[‘From‘] = ‘Tim<发送邮箱>‘
    msg[‘To‘] = "接收邮箱"
    smtp = smtplib.SMTP()
    smtp.connect(‘smtp.163.com‘)
    smtp.login(username, password)
    smtp.sendmail(sender, receiver, msg.as_string())
    smtp.quit()

client = socket.socket()
host_list = [‘192.168.254.24:1111‘,‘192.168.7.118:423‘]
for item in host_list:
    ip = re.compile(‘(.*?):(.*)‘).search(item).group(1)
    port = re.compile(‘(.*?):(.*)‘).search(item).group(2)
    result = client.connect_ex((ip, int(port)))
    if result != 0:
        sendmail(‘%s不通l,%s端口不通l‘ % (ip,port))