tcpdump mailing list archives
Re: [libpcap] Make timestamps precision configurable (#303)
From: Michael Richardson <mcr () sandelman ca>
Date: Mon, 03 Jun 2013 13:58:00 -0400
"Michal" == Michal Sekletar <notifications () github com> writes:
Michal> Two new functions are introduced, pcap_set_tstamp_precision() and Michal> pcap_get_tstamp_precision(). Those functions allow one to specify Michal> desired timestamps precision for captured packets. By default Michal> application will obtain timestamps in microseconds. .. Michal> https://github.com/the-tcpdump-group/libpcap/pull/303
"Guy" == Guy Harris <notifications () github com> writes:
Guy> We might also want to add a routine such as Guy> `pcap_open_offline_nsectime()` that: Guy> - returns seconds-and-nanoseconds time stamps when reading files; Guy> - supplies them natively for nanosecond-time-stamp pcaps (which have a different magic number); Guy> - fakes them with microsecond-time-stamp pcaps; Guy> - scales pcap-ng file time stamps appropriately; Guy> and also have `pcap_dump()` create a file of the appropriate Guy> type based on whether the input capture or savefile is Guy> providing microsecond or nanosecond precision (and also provide Guy> a `pcap_open_dead_nsectime()` when writing a savefile with Guy> packet sources other than libpcap). Correct me if I'm wrong, but we have magic number differences when the save file contents are different? -- ] Never tell me the odds! | ipv6 mesh networks [ ] Michael Richardson, Sandelman Software Works | network architect [ ] mcr () sandelman ca http://www.sandelman.ca/ | ruby on rails [ _______________________________________________ tcpdump-workers mailing list tcpdump-workers () lists tcpdump org https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers
Current thread:
- Re: [libpcap] Make timestamps precision configurable (#303) Michael Richardson (Jun 03)
- Re: [libpcap] Make timestamps precision configurable (#303) Guy Harris (Jun 21)