Python 套接字的使用

Posted 2020-07-23 李雷还是要学英语

获取设备名称和IPv4地址

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socket.gethostname()

socket.gethostbyname(host_name)

1 def print_machine_info():
2     host_name = socket.gethostname();
3     ip_address = socket.gethostbyname(host_name)
4     print (‘host_name : ‘,host_name)
5     print (host_name,‘\‘IP : ‘,ip_address)

 

获取远程设备的IP地址

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socket.gethostbyname(remote_host)

 

1 def get_remote_machine_info(remote_host):
2     try:
3         ip_address = socket.gethostbyname(remote_host)
4         print (remote_host,‘\‘IP : ‘,ip_address)
5     except (socket.error) as err_msg:
6         print (remote_host,err_msg)

 

通过指定的端口和协议找到服务名

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socket.getservbyport(port)

 

1 def find_service_name():
2     for port in [80,25,53,22]:
3         service = socket.getservbyport(port)
4         print (service)

 

附上一张常用端口图  常用计算机端口

 

 

inet_aton inet_ntoa	将IPv4地址转换成不同的格式(32位二进制)
ntohl() htonl()	主机字节序和网络字节序之间的相互转换 n(network),l(long),s(short)