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28 lines
1 KiB
Text
28 lines
1 KiB
Text
##! Time-related functions.
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## Given an interval, returns a string representing the minutes and seconds
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## in the interval (for example, "3m34s").
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function duration_to_mins_secs(dur: interval): string
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{
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local dur_count = double_to_count(interval_to_double(dur));
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return fmt("%dm%ds", dur_count/60, dur_count%60);
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}
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## Time value representing the 0 timestamp.
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const null_ts = double_to_time(0);
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## Calculate the packet lag, i.e. the difference between wall clock and the
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## timestamp of the currently processed packet. If Zeek is not processing a
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## packet, the function returns a 0 interval value.
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function get_packet_lag(): interval
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{
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# We use get_current_packet_ts() instead of network_time() here, because
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# network time does not immediately fall back to wall clock if there is
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# no packet. Instead, network time remains set to the last seen packet's
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# timestamp for ``packet_source_inactivity_timeout``.
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local pkt_ts = get_current_packet_ts();
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if (pkt_ts == null_ts)
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return 0 sec;
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return current_time() - pkt_ts;
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}
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