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Go back to the old method of calculating the completion percentage. My clever

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formula algebraically reduced to
1.0 - gstats->numprobes / host->freshPortsLeft(), which doesn't regard the
number of sent probes, leading to long stalls in the completion when, for
example, maxtries is increased.
This commit is contained in:
david
2008-08-19 17:01:44 +00:00
parent 42a3d83c70
commit e0435b8b98
1 changed files with 9 additions and 14 deletions
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23
scan_engine.cc
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@@ -1366,21 +1366,16 @@ double UltraScanInfo::getCompletionFraction() {
/* Get the completion fraction for each incomplete host. */
for(hostI = incompleteHosts.begin(); hostI != incompleteHosts.end(); hostI++) {
HostScanStats *host = *hostI;
int ports_left;
double rate;
double probes_left;
int maxtries = host->allowedTryno(NULL, NULL) + 1;
double thishostpercdone;
ports_left = host->freshPortsLeft();
if (ports_left == gstats->numprobes)
continue;
/* Get the overall rate of probes sent to ports completed. */
rate = (double) host->numprobes_sent / (gstats->numprobes - ports_left);
/* Find out how many probes it will take to scan the remainder of the ports
at that rate. */
probes_left = rate * ports_left;
/* Get the completion fraction: number of probes sent divided by estimated
total number of probes. */
total += (double) host->numprobes_sent / (host->numprobes_sent + probes_left);
// This is inexact (maxtries - 1) because numprobes_sent includes
// at least one try of ports_finished.
thishostpercdone = host->ports_finished * (maxtries - 1) + host->numprobes_sent;
thishostpercdone /= maxtries * gstats->numprobes;
if (thishostpercdone >= 0.9999)
thishostpercdone = 0.9999;
total += thishostpercdone;
}
return total / gstats->numtargets;