11-14-2010
Hi,
Yes I want to have a count of IPs in the current interval (which should be user controlled) and a count of new IPs in that same interval when compared to the previous interval not the whole file.
So the output should be the second one which you posted i.e.
A,3,3
B,2,1
C,2,0
Thanks !!
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LEARN ABOUT PLAN9
pcap_fopen_offline
PCAP_OPEN_OFFLINE(3PCAP) PCAP_OPEN_OFFLINE(3PCAP)
NAME
pcap_open_offline, pcap_fopen_offline - open a saved capture file for reading
SYNOPSIS
#include <pcap/pcap.h>
char errbuf[PCAP_ERRBUF_SIZE];
pcap_t *pcap_open_offline(const char *fname, char *errbuf);
pcap_t *pcap_fopen_offline(FILE *fp, char *errbuf);
DESCRIPTION
pcap_open_offline() is called to open a ``savefile'' for reading.
fname specifies the name of the file to open. The file can have the pcap file format as described in pcap-savefile(5), which is the file
format used by, among other programs, tcpdump(1) and tcpslice(1), or can have the pcap-ng file format, although not all pcap-ng files can
be read. The name "-" in a synonym for stdin.
Alternatively, you may call pcap_fopen_offline() to read dumped data from an existing open stream fp. Note that on Windows, that stream
should be opened in binary mode.
RETURN VALUE
pcap_open_offline() and pcap_fopen_offline() return a pcap_t * on success and NULL on failure. If NULL is returned, errbuf is filled in
with an appropriate error message. errbuf is assumed to be able to hold at least PCAP_ERRBUF_SIZE chars.
SEE ALSO
pcap(3PCAP), pcap-savefile(5)
5 April 2008 PCAP_OPEN_OFFLINE(3PCAP)