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Merge r5771:5778 from /nmap-exp/david/nmap-massping-migration.

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Print group timing stats with -d2 and individual host timing stats with -d3.

Change how much the congestion threshold drops on packet drops.

Increase the initial ccthresh from 50 to 75.
This commit is contained in:
david
2007-09-05 04:57:36 +00:00
parent 9c3ca90f1b
commit 1b41c049fc
1 changed files with 11 additions and 3 deletions
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14
scan_engine.cc
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@@ -1231,12 +1231,20 @@ static void init_perf_values(struct ultra_scan_performance_vars *perf,
/* Increase by up to 8 / cwnd in congestion control mode. */
perf->cc_incr = (int) (1 + 7.0 / num_probes_per_host);
}
perf->initial_ccthresh = 50;
perf->initial_ccthresh = 75;
perf->ping_magnifier = 3;
perf->pingtime = 5000000;
perf->group_drop_cwnd_divisor = 2.0;
perf->group_drop_ccthresh_divisor = (o.timing_level < 4)? 2.0 : 1.5;
perf->host_drop_ccthresh_divisor = (o.timing_level < 4)? 2.0 : 1.5;
/* Change the amount that ccthresh drops based on the timing level. */
double ccthresh_divisor;
if (o.timing_level <= 3)
ccthresh_divisor = (3.0 / 2.0);
else if (o.timing_level <= 4)
ccthresh_divisor = (4.0 / 3.0);
else
ccthresh_divisor = (5.0 / 4.0);
perf->group_drop_ccthresh_divisor = ccthresh_divisor;
perf->host_drop_ccthresh_divisor = ccthresh_divisor;
perf->tryno_cap = o.getMaxRetransmissions();
}