python --- 基本socket通信控制

python — 基本socket通信控制（控制在celie.txt文件中主机IP地址可以发送信息，并返回对应的客户端IP、时间戳、发送的信息）

客户端代码

root@72129clent:~/python/snmp# ls
snmpclenit.py  tab.py
root@72129clent:~/python/snmp# cat snmpclenit.py 
#!/usr/bin/python
# --*-- coding:utf-8 --*--

import socket

host,port = '192.168.72.130',18000
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)#调用IPv4协议
s.connect((host,port))#连接主机与端口

s.send("up")#客户端给服务器端发送数据“up”

s.close()


root@72129clent:~/python/snmp# 

服务器短信代码：

root@kali:~/python/snmp# ls
celie.txt  snmpserver.py  tab.py  tab.pyc

root@kali:~/python/snmp# cat celie.txt 
192.168.72.129  xuweibo
root@kali:~/python/snmp# 

root@kali:~/python/snmp# cat snmpserver.py 
#!/usr/bin/python
# --*-- coding:utf-8 --*--

import datetime#导入时间戳
import SocketServer

#读取目录下的celie.txt文件
host_status = {}#新建字典，使用IP地址作为KEY值。作用是来判断每个客户端IP多久与服务器通信一次的
f = open('celie.txt')#调用策略文档，在里面的ip地址就可以通过，并发送信息
while True:
    line = f.readline().split()
    if len(line) == 0:break
    print line[0]#打印第一个IP地址信息
    host_status[line[0]] = []#给字典第一个设置为空，这样后面只要直接追加值就ok了
f.close()


class myMonitorHandler(SocketServer.BaseRequestHandler):
    '''This is the Monitor server'''
    def handle(self):
        recv_data = self.request.recv(1024)#接收客户端数据
        if self.client_address[0] in host_status.keys():#如果存在字典中的ip地址信息，就返回对应客户端发送的Ip、时间戳、信息    

            #self.client_address为数组('192.168.72.129', 49109)的值。只要当中的IP地址，因此取self.client_address[0]
            #把host_status字典中的self.client_address[0]值即IP地址值赋值有两个值，因此新建个列表，存取两个值时间戳与接收的信息
            #如：{'192.168.72.129': [(datetime.datetime(2017, 8, 20, 21, 29, 59, 415054), 'up')]}
            #host_status[self.client_address[0]] = [(datetime.datetime.now(),recv_data)]

            #直接把元组append进字典
            host_status[self.client_address[0]].append((datetime.datetime.now(),recv_data))

            print 'From %s : %s %s' %(self.client_address,datetime.datetime.now(),recv_data)#打印客户端地址、操作的时间戳值与接收的数据

            #print host_status

        else:#不存在字典中，则如下提示信息
            print "sorry, ip %s is not in the monitor list" % self.client_address[0]

        #打印出192.168.72.129 [(datetime.datetime(2017, 8, 20, 22, 1, 6, 705498), 'up')]
        for t,m in host_status.items():
            print t,m

if __name__ == "__main__":#当自己运行时调用什么什么；当被其他程序调用时调用什么什么,如果被其他程序调用了，下面代码不执行
    host,port = '',18000
    server = SocketServer.ThreadingTCPServer((host,port),myMonitorHandler)#调用TCP的多线程
    server.serve_forever()

root@kali:~/python/snmp# 

脚本运行情况

服务器端运行：

root@kali:~/python/snmp# lsof -i:18000
COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
python  14190 root    3u  IPv4  45472      0t0  TCP *:18000 (LISTEN)
root@kali:~/python/snmp# kill -9 14190

root@kali:~/python/snmp# python snmpserver.py 
192.168.72.129

在celie.txt中192.168.72.129的客户端运行：

root@72129clent:~/python/snmp# python snmpclenit.py
root@72129clent:~/python/snmp# python snmpclenit.py
root@72129clent:~/python/snmp# python snmpclenit.py
root@72129clent:~/python/snmp# python snmpclenit.py
root@72129clent:~/python/snmp# python snmpclenit.py
root@72129clent:~/python/snmp# 

不在celie.txt中192.168.72.1的客户端运行：
192.168.72.1的snmpclinet.py脚本语句：

#!/usr/bin/python
# --*-- coding:utf-8 --*--

import socket

host,port = '192.168.72.130',18000
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)#调用IPv4协议
s.connect((host,port))#连接主机与端口

s.send("up")#客户端给服务器端发送数据“up”

s.close()

192.168.72.1的客户端运行：

C:\Python27>python.exe snmpclinet.py

C:\Python27>python.exe snmpclinet.py

C:\Python27>python.exe snmpclinet.py

C:\Python27>python.exe snmpclinet.py

C:\Python27>python.exe snmpclinet.py

C:\Python27>

再次查看服务器端运行情况：

root@kali:~/python/snmp# lsof -i:18000
COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
python  14190 root    3u  IPv4  45472      0t0  TCP *:18000 (LISTEN)
[email protected]:~/python/snmp# kill -9 14190
[email protected]:~/python/snmp# python snmpserver.py 
192.168.72.129
From ('192.168.72.129', 49208) : 2017-08-20 23:31:41.125892 up
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up')]
From ('192.168.72.129', 49209) : 2017-08-20 23:31:57.141410 up
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up')]
From ('192.168.72.129', 49210) : 2017-08-20 23:31:57.747056 up
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up')]
From ('192.168.72.129', 49211) : 2017-08-20 23:31:58.394295 up
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up')]
From ('192.168.72.129', 49212) : 2017-08-20 23:31:58.887359 up
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 887340), 'up')]
sorry, ip 192.168.72.1 is not in the monitor list
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 887340), 'up')]
sorry, ip 192.168.72.1 is not in the monitor list
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 887340), 'up')]
sorry, ip 192.168.72.1 is not in the monitor list
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 887340), 'up')]
sorry, ip 192.168.72.1 is not in the monitor list
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 887340), 'up')]
sorry, ip 192.168.72.1 is not in the monitor list
192.168.72.129 [(datetime.datetime(2017, 8, 20, 23, 31, 41, 125872), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 141389), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 57, 747038), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 394273), 'up'), (datetime.datetime(2017, 8, 20, 23, 31, 58, 887340), 'up')]