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Make cwnd updates in osscan2.cc match those in scan_engine.cc.

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david 2011-12-31 21:59:54 +00:00
parent 94b4e93b16
commit a005b820be
1 changed files with 19 additions and 12 deletions
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31
osscan2.cc
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@ -1236,25 +1236,32 @@ void HostOsScan::adjust_times(HostOsScanStats *hss, OFProbe *probe, struct timev
} else {
/* Good news -- got a response to first try. Increase window as
appropriate. */
if (hss->timing.cwnd <= hss->timing.ssthresh) {
/* In quick start mode */
hss->timing.cwnd += perf.slow_incr;
} else {
/* Congestion control mode */
hss->timing.cwnd += perf.ca_incr / hss->timing.cwnd;
}
if (hss->timing.cwnd > perf.max_cwnd)
hss->timing.cwnd = perf.max_cwnd;
stats->timing.num_replies_received++;
hss->timing.num_replies_received++;
if (stats->timing.cwnd <= stats->timing.ssthresh) {
/* In quick start mode */
if (stats->timing.cwnd < stats->timing.ssthresh) {
/* In slow start mode */
stats->timing.cwnd += perf.slow_incr;
if (stats->timing.cwnd > stats->timing.ssthresh)
stats->timing.cwnd = stats->timing.ssthresh;
} else {
/* Congestion control mode */
/* Congestion avoidance mode */
stats->timing.cwnd += perf.ca_incr / stats->timing.cwnd;
}
if (stats->timing.cwnd > perf.max_cwnd)
stats->timing.cwnd = perf.max_cwnd;
if (hss->timing.cwnd < hss->timing.ssthresh) {
/* In slow start mode */
hss->timing.cwnd += perf.slow_incr;
if (hss->timing.cwnd > hss->timing.ssthresh)
hss->timing.cwnd = hss->timing.ssthresh;
} else {
/* Congestion avoidance mode */
hss->timing.cwnd += perf.ca_incr / hss->timing.cwnd;
}
if (hss->timing.cwnd > perf.max_cwnd)
hss->timing.cwnd = perf.max_cwnd;
}
}