一.python实现ping返回延迟繁琐版
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#!/usr/bin/python3.7
# !coding:utf-8
__author__ = 'hsz'
__date__ = 'Thu Feb 27 22:41:15 EST 2020'
import time
import struct
import socket
import select
import sys
def chesksum(data):
"""
校验
"""
n = len (data)
m = n % 2
sum = 0
for i in range ( 0 , n - m, 2 ):
sum + = (data[i]) + ((data[i + 1 ]) << 8 ) # 传入data以每两个字节(十六进制)通过ord转十进制,第一字节在低位,第二个字节在高位
if m:
sum + = (data[ - 1 ])
# 将高于16位与低16位相加
sum = ( sum >> 16 ) + ( sum & 0xffff )
sum + = ( sum >> 16 ) # 如果还有高于16位,将继续与低16位相加
answer = ~ sum & 0xffff
# 主机字节序转网络字节序列(参考小端序转大端序)
answer = answer >> 8 | (answer << 8 & 0xff00 )
return answer
'''
连接套接字,并将数据发送到套接字
'''
def raw_socket(dst_addr, imcp_packet):
rawsocket = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.getprotobyname( "icmp" ))
send_request_ping_time = time.time()
# send data to the socket
rawsocket.sendto(imcp_packet, (dst_addr, 80 ))
return send_request_ping_time, rawsocket, dst_addr
'''
request ping
'''
def request_ping(data_type, data_code, data_checksum, data_ID, data_Sequence, payload_body):
# 把字节打包成二进制数据
imcp_packet = struct.pack( '>BBHHH32s' , data_type, data_code, data_checksum, data_ID, data_Sequence, payload_body)
icmp_chesksum = chesksum(imcp_packet) # 获取校验和
imcp_packet = struct.pack( '>BBHHH32s' , data_type, data_code, icmp_chesksum, data_ID, data_Sequence, payload_body)
return imcp_packet
'''
reply ping
'''
def reply_ping(send_request_ping_time, rawsocket, data_Sequence, timeout = 2 ):
while True :
started_select = time.time()
what_ready = select.select([rawsocket], [], [], timeout)
wait_for_time = (time.time() - started_select)
if what_ready[ 0 ] = = []: # Timeout
return - 1
time_received = time.time()
received_packet, addr = rawsocket.recvfrom( 1024 )
icmpHeader = received_packet[ 20 : 28 ]
type , code, checksum, packet_id, sequence = struct.unpack(
">BBHHH" , icmpHeader
)
if type = = 0 and sequence = = data_Sequence:
return time_received - send_request_ping_time
timeout = timeout - wait_for_time
if timeout < = 0 :
return - 1
'''
实现 ping 主机/ip
'''
def ping(host):
data_type = 8 # ICMP Echo Request
data_code = 0 # must be zero
data_checksum = 0 # "...with value 0 substituted for this field..."
data_ID = 0 # Identifier
data_Sequence = 1 # Sequence number
payload_body = b 'abcdefghijklmnopqrstuvwabcdefghi' # data
dst_addr = socket.gethostbyname(host) # 将主机名转ipv4地址格式,返回以ipv4地址格式的字符串,如果主机名称是ipv4地址,则它将保持不变
print ( "正在 Ping {0} [{1}] 具有 32 字节的数据:" . format (host, dst_addr))
for i in range ( 0 , 4 ):
icmp_packet = request_ping(data_type, data_code, data_checksum, data_ID, data_Sequence + i, payload_body)
send_request_ping_time, rawsocket, addr = raw_socket(dst_addr, icmp_packet)
times = reply_ping(send_request_ping_time, rawsocket, data_Sequence + i)
if times > 0 :
print ( "来自 {0} 的回复: 字节=32 时间={1}ms" . format (addr, int (times * 1000 )))
time.sleep( 0.7 )
else :
print ( "请求超时。" )
if __name__ = = "__main__" :
# if len(sys.argv) < 2:
# sys.exit('Usage: ping.py <host>')
ping( 'www.baidu.com' ) # sys.argv[1]
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二 .python实现ping返回延迟简单版本
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from ping3 import ping
def ping_host(ip):
"""
获取节点的延迟的作用
:param node:
:return:
"""
ip_address = ip
response = ping(ip_address)
print (response)
if response is not None :
delay = int (response * 1000 )
print (delay, "延迟" )
# 下面两行新增的
ping_host( 'www.baidu.com' )
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以上就是python 实现ping测试延迟的两种方法的详细内容,更多关于python ping测试延迟的资料请关注服务器之家其它相关文章!
原文链接:https://www.cnblogs.com/hszstudypy/p/12424817.html