Re^2: Packet parsing module in perl


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Re^2: Packet parsing module in perl

by balakrishnan (Monk)

on Feb 27, 2009 at 03:00 UTC ( [id://746740]=note: print w/replies, xml )

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in reply to Re: Packet parsing module in perl
in thread Packet parsing module in perl

How do i can extract the packet arrival time from a packet?

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Re^3: Packet parsing module in perl
by jettero (Monsignor) on Feb 27, 2009 at 12:07 UTC

Net::Pcap

pcap_open_offline

How to get the actual timestamps from the packets:

   sub process_packet {
       my($user_data, $header, $packet) = @_;

       print "time: $header->{tv_sec}\n";
   }

  # The header information is a reference to a hash containing the fol
+lowing fields.
  # 
  #  *   "len" - the total length of the packet.
  #  *   "caplen" - the actual captured length of the packet
  #  *   "tv_sec" - seconds value of the packet timestamp.
  #  *   "tv_usec" - microseconds value of the packet timestamp.
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