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Avoid showing the sending rate in bytes per second if no sent bytes have been

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recorded. This applies during a TCP connect scan, where we have a count of
packets sent but not of bytes (which we cannot measure, and will vary from
platform to platform).
This commit is contained in:
david
2008-07-23 22:21:37 +00:00
parent 18a4caff83
commit 625d88293e
3 changed files with 30 additions and 14 deletions
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34
scan_engine.cc
View File

@@ -611,6 +611,21 @@ public:
bool numIncompleteHostsLessThan(unsigned int n);
unsigned int numInitialHosts() { return numInitialTargets; }
void log_overall_rates(int logt) {
log_write(logt, "Overall sending rates: %.2f packets / s", send_rate_meter.getOverallPacketRate(&now));
if (send_rate_meter.getNumBytes()> 0)
log_write(logt, ", %.2f bytes / s", send_rate_meter.getOverallByteRate(&now));
log_write(logt, ".\n");
}
void log_current_rates(int logt, bool update = true) {
log_write(logt, "Current sending rates: %.2f packets / s", send_rate_meter.getCurrentPacketRate(&now, update));
if (send_rate_meter.getNumBytes()> 0)
log_write(logt, ", %.2f bytes / s", send_rate_meter.getCurrentByteRate(&now));
log_write(logt, ".\n");
}
/* Any function which messes with (removes elements from)
incompleteHosts may have to manipulate nextI */
list<HostScanStats *> incompleteHosts;
@@ -3208,12 +3223,8 @@ static void printAnyStats(UltraScanInfo *USI) {
}
}
log_write(LOG_PLAIN, "Current sending rates: %.2f packets / s, %.2f bytes / s.\n",
USI->send_rate_meter.getCurrentPacketRate(),
USI->send_rate_meter.getCurrentByteRate());
log_write(LOG_PLAIN, "Overall sending rates: %.2f packets / s, %.2f bytes / s.\n",
USI->send_rate_meter.getOverallPacketRate(),
USI->send_rate_meter.getOverallByteRate());
USI->log_current_rates(LOG_PLAIN);
USI->log_overall_rates(LOG_PLAIN);
}
/* Now time to figure out how close we are to completion ... */
@@ -4838,9 +4849,7 @@ void ultra_scan(vector<Target *> &Targets, struct scan_lists *ports,
/* Don't update when getting the current rates, otherwise we can get
anomalies (rates are too low) from having just done a potentially
long waitForResponses without sending any packets. */
log_write(LOG_STDOUT, "Current sending rates: %.2f packets / s, %.2f bytes / s.\n",
USI->send_rate_meter.getCurrentPacketRate(&USI->now, false),
USI->send_rate_meter.getCurrentByteRate(&USI->now, false));
USI->log_current_rates(LOG_STDOUT, false);
}
log_flush(LOG_STDOUT);
@@ -4869,11 +4878,8 @@ void ultra_scan(vector<Target *> &Targets, struct scan_lists *ports,
(USI->gstats->num_hosts_timedout == 1)? "host" : "hosts");
USI->SPM->endTask(NULL, additional_info);
}
if (o.debugging) {
log_write(LOG_STDOUT, "Overall sending rates: %.2f packets / s, %.2f bytes / s.\n",
USI->send_rate_meter.getOverallPacketRate(),
USI->send_rate_meter.getOverallByteRate());
}
if (o.debugging)
USI->log_overall_rates(LOG_STDOUT);
if (o.debugging > 2 && USI->pd != NULL)
pcap_print_stats(LOG_PLAIN, USI->pd);

8
timing.cc
View File

@@ -307,6 +307,14 @@ double RateMeter::getCurrentByteRate(const struct timeval *now, bool update) {
return current_byte_rate;
}
unsigned long long RateMeter::getNumPackets(void) const {
return num_packets;
}
unsigned long long RateMeter::getNumBytes(void) const {
return num_bytes;
}
/* Update the rates to include packets additional packets and bytes additional
bytes. If now is not NULL, use it as the time the packets and bytes were
received rather than calling gettimeofday. */

2
timing.h
View File

@@ -142,6 +142,8 @@ class RateMeter {
double getCurrentPacketRate(const struct timeval *now = NULL, bool update =true);
double getOverallByteRate(const struct timeval *now = NULL) const;
double getCurrentByteRate(const struct timeval *now = NULL, bool update =true);
unsigned long long getNumPackets(void) const;
unsigned long long getNumBytes(void) const;
private:
/* How many seconds to look back when calculating the "current" rates. */