python 实现ping测试延迟的两种方法

 #!/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]) <> 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 <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, pa<span style="color:transparent">来源gaodai#ma#com搞*代#码网</span>cket_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: 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 ') ping('www.baidu.com') # sys.argv[1]

 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')