def read_pcap_file(pcap_file): """ 读取PCAP 文件,打印pcap文件中的数据包总数 :param pcap_file: pcap文件路径 :return: NULL """ try: packet_count = 0 packet_number = 1 # 初始化数据包编号 with PcapReader(pcap_file) as packets: for packet in packets: # 处理单个流量包 process_packet(p...
inet addr:10.0.0.14Bcast:10.0.0.15Mask:255.255.255.252## From the client ping toward servercisco@Client:~$ ping -c110.0.0.14PING10.0.0.14(10.0.0.14)56(84)bytesof data.64bytesfrom10.0.0.14: icmp_seq=1ttl=62time=6.22ms ---10.0.0.14ping statistics ---1packets transmitted,1received,0% packe...
# read all raw data packets and markers dt0 = [ (‘timestamp’, ‘uint32’), (‘packet_id’, ‘uint16’), (‘value’, ‘S{0}’.format(data_size – 6))] raw_data = np.memmap(filename, offset=header_size, dtype=dt0) masks = self.__nev_data_masks(raw_data[‘packet_id’]...
net_io_counters() snetio(bytes_sent=83801, bytes_recv=31649461, packets_sent=1277, packets_recv=21180, errin=0, errout=0, dropin=0, dropout=0) 6 psutil获取系统性能信息之其他 6.1. 获取开机时间 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>import datetime,psutil >>>datetime....
网络信息重点关注: bytes_sent=579758412(发送字节数),bytes_recv=1744587596(接收字节数), packets_sent=3704487(发送数据包数),packets_recv=5320867(接收数据包数) #网络信息net = psutil.net_io_counters(pernic=True)#net_io_counters()输出总的网络io信息,pernic=True输出每个网络接口的io信息print(net) ...
int av_read_frame(AVFormatContext *s, AVPacket *pkt) { // 如果输入的参数设置了对于一些丢失的显示时间戳自动生成,则genpts =1否则为0 const int genpts = s->flags & AVFMT_FLAG_GENPTS; int eof = 0; int ret; AVStream *st; // 不自动生成时间戳,一般读取使用此处代码 ...
read() for line in res.splitlines(): result = ttlstrmatch.findall(line) if result: ttl = ttlnummatch.findall(result[0]) if int(ttl[0]) <= 64: # 判断目标主机响应包中TTL值是否小于等于64 print("%s is Linux/Unix"%ip) # 是的话就为linux/Unix else: print("%s is Windwows"%ip) ...
5 packets transmitted, 5 received, 0% packet loss, time 4003ms rtt min/avg/max/mdev = 225.711/231.863/238.158/4.302 ms Exit code: 0 如果子进程是需要输入内容的,还可以使用communicate()方法来输入内容 import subprocess def main(): print('$ import this') ...
def _read_pcap(self, path): logger.debug("Reading pcap file: %s", path) packets = pyshark.FileCapture(path) for pcap in packets: has_transport = pcap.transport_layer is not None packet_time = float(pcap.sniff_timestamp) packet_dict = dict() highest_layer = pcap.highest_layer.upper()...
-c countExit after receiving count packets. tcpdump将在接受到count个数据包后退出. -C file_sizeBefore writing a raw packet to a savefile, check whether the file is currently larger than file_size and, if so, close the current savefile and open a new one. Savefiles after the first save...