overte/libraries/octree/src/OctreeSceneStats.cpp
2017-12-29 12:46:52 -08:00

656 lines
23 KiB
C++

//
// OctreeSceneStats.cpp
// libraries/octree/src
//
// Created by Brad Hefta-Gaub on 7/18/13.
// Copyright 2013 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <limits>
#include <QString>
#include <QStringList>
#include <LogHandler.h>
#include <NumericalConstants.h>
#include <udt/PacketHeaders.h>
#include "OctreePacketData.h"
#include "OctreeElement.h"
#include "OctreeLogging.h"
#include "OctreeSceneStats.h"
const int samples = 100;
OctreeSceneStats::OctreeSceneStats() :
_isReadyToSend(false),
_isStarted(false),
_lastFullElapsed(0),
_lastFullTotalEncodeTime(0),
_lastFullTotalPackets(0),
_lastFullTotalBytes(0),
_elapsedAverage(samples),
_bitsPerOctreeAverage(samples),
_incomingPacket(0),
_incomingBytes(0),
_incomingWastedBytes(0),
_incomingOctreeSequenceNumberStats(),
_incomingFlightTimeAverage(samples)
{
reset();
}
// copy constructor
OctreeSceneStats::OctreeSceneStats(const OctreeSceneStats& other) {
copyFromOther(other);
}
// copy assignment
OctreeSceneStats& OctreeSceneStats::operator=(const OctreeSceneStats& other) {
copyFromOther(other);
return *this;
}
void OctreeSceneStats::copyFromOther(const OctreeSceneStats& other) {
_totalEncodeTime = other._totalEncodeTime;
_elapsed = other._elapsed;
_lastFullElapsed = other._lastFullElapsed;
_lastFullTotalEncodeTime = other._lastFullTotalEncodeTime;
_lastFullTotalPackets = other._lastFullTotalPackets;
_lastFullTotalBytes = other._lastFullTotalBytes;
_encodeStart = other._encodeStart;
_packets = other._packets;
_bytes = other._bytes;
_passes = other._passes;
_totalElements = other._totalElements;
_totalInternal = other._totalInternal;
_totalLeaves = other._totalLeaves;
_traversed = other._traversed;
_internal = other._internal;
_leaves = other._leaves;
_skippedDistance = other._skippedDistance;
_internalSkippedDistance = other._internalSkippedDistance;
_leavesSkippedDistance = other._leavesSkippedDistance;
_skippedOutOfView = other._skippedOutOfView;
_internalSkippedOutOfView = other._internalSkippedOutOfView;
_leavesSkippedOutOfView = other._leavesSkippedOutOfView;
_skippedWasInView = other._skippedWasInView;
_internalSkippedWasInView = other._internalSkippedWasInView;
_leavesSkippedWasInView = other._leavesSkippedWasInView;
_skippedNoChange = other._skippedNoChange;
_internalSkippedNoChange = other._internalSkippedNoChange;
_leavesSkippedNoChange = other._leavesSkippedNoChange;
_skippedOccluded = other._skippedOccluded;
_internalSkippedOccluded = other._internalSkippedOccluded;
_leavesSkippedOccluded = other._leavesSkippedOccluded;
_colorSent = other._colorSent;
_internalColorSent = other._internalColorSent;
_leavesColorSent = other._leavesColorSent;
_didntFit = other._didntFit;
_internalDidntFit = other._internalDidntFit;
_leavesDidntFit = other._leavesDidntFit;
_colorBitsWritten = other._colorBitsWritten;
_existsBitsWritten = other._existsBitsWritten;
_existsInPacketBitsWritten = other._existsInPacketBitsWritten;
_treesRemoved = other._treesRemoved;
_incomingPacket = other._incomingPacket;
_incomingBytes = other._incomingBytes;
_incomingWastedBytes = other._incomingWastedBytes;
_incomingOctreeSequenceNumberStats = other._incomingOctreeSequenceNumberStats;
}
OctreeSceneStats::~OctreeSceneStats() {
reset();
}
void OctreeSceneStats::sceneStarted(bool isFullScene, bool isMoving, const OctreeElementPointer& root) {
reset(); // resets packet and octree stats
_isStarted = true;
_start = usecTimestampNow();
_totalElements = OctreeElement::getNodeCount();
_totalInternal = OctreeElement::getInternalNodeCount();
_totalLeaves = OctreeElement::getLeafNodeCount();
_isFullScene = isFullScene;
_isMoving = isMoving;
}
void OctreeSceneStats::sceneCompleted() {
if (_isStarted) {
_end = usecTimestampNow();
_elapsed = _end - _start;
_elapsedAverage.updateAverage((float)_elapsed);
if (_isFullScene) {
_lastFullElapsed = _elapsed;
_lastFullTotalEncodeTime = _totalEncodeTime;
}
packIntoPacket();
_isReadyToSend = true;
_isStarted = false;
}
}
void OctreeSceneStats::encodeStarted() {
_encodeStart = usecTimestampNow();
}
void OctreeSceneStats::encodeStopped() {
_totalEncodeTime += (usecTimestampNow() - _encodeStart);
}
void OctreeSceneStats::reset() {
_totalEncodeTime = 0;
_encodeStart = 0;
_packets = 0;
_bytes = 0;
_passes = 0;
_totalElements = 0;
_totalInternal = 0;
_totalLeaves = 0;
_traversed = 0;
_internal = 0;
_leaves = 0;
_skippedDistance = 0;
_internalSkippedDistance = 0;
_leavesSkippedDistance = 0;
_skippedOutOfView = 0;
_internalSkippedOutOfView = 0;
_leavesSkippedOutOfView = 0;
_skippedWasInView = 0;
_internalSkippedWasInView = 0;
_leavesSkippedWasInView = 0;
_skippedNoChange = 0;
_internalSkippedNoChange = 0;
_leavesSkippedNoChange = 0;
_skippedOccluded = 0;
_internalSkippedOccluded = 0;
_leavesSkippedOccluded = 0;
_colorSent = 0;
_internalColorSent = 0;
_leavesColorSent = 0;
_didntFit = 0;
_internalDidntFit = 0;
_leavesDidntFit = 0;
_colorBitsWritten = 0;
_existsBitsWritten = 0;
_existsInPacketBitsWritten = 0;
_treesRemoved = 0;
}
void OctreeSceneStats::packetSent(int bytes) {
_packets++;
_bytes += bytes;
}
void OctreeSceneStats::traversed(const OctreeElementPointer& element) {
_traversed++;
if (element->isLeaf()) {
_leaves++;
} else {
_internal++;
}
}
void OctreeSceneStats::skippedDistance(const OctreeElementPointer& element) {
_skippedDistance++;
if (element->isLeaf()) {
_leavesSkippedDistance++;
} else {
_internalSkippedDistance++;
}
}
void OctreeSceneStats::skippedOutOfView(const OctreeElementPointer& element) {
_skippedOutOfView++;
if (element->isLeaf()) {
_leavesSkippedOutOfView++;
} else {
_internalSkippedOutOfView++;
}
}
void OctreeSceneStats::skippedWasInView(const OctreeElementPointer& element) {
_skippedWasInView++;
if (element->isLeaf()) {
_leavesSkippedWasInView++;
} else {
_internalSkippedWasInView++;
}
}
void OctreeSceneStats::skippedNoChange(const OctreeElementPointer& element) {
_skippedNoChange++;
if (element->isLeaf()) {
_leavesSkippedNoChange++;
} else {
_internalSkippedNoChange++;
}
}
void OctreeSceneStats::skippedOccluded(const OctreeElementPointer& element) {
_skippedOccluded++;
if (element->isLeaf()) {
_leavesSkippedOccluded++;
} else {
_internalSkippedOccluded++;
}
}
void OctreeSceneStats::colorSent(const OctreeElementPointer& element) {
_colorSent++;
if (element->isLeaf()) {
_leavesColorSent++;
} else {
_internalColorSent++;
}
}
void OctreeSceneStats::didntFit(const OctreeElementPointer& element) {
_didntFit++;
if (element->isLeaf()) {
_leavesDidntFit++;
} else {
_internalDidntFit++;
}
}
void OctreeSceneStats::colorBitsWritten() {
_colorBitsWritten++;
}
void OctreeSceneStats::existsBitsWritten() {
_existsBitsWritten++;
}
void OctreeSceneStats::existsInPacketBitsWritten() {
_existsInPacketBitsWritten++;
}
void OctreeSceneStats::childBitsRemoved(bool includesExistsBits) {
_existsInPacketBitsWritten--;
if (includesExistsBits) {
_existsBitsWritten--;
}
_colorBitsWritten--;
_treesRemoved++;
}
int OctreeSceneStats::packIntoPacket() {
_statsPacket->reset();
_statsPacket->writePrimitive(_start);
_statsPacket->writePrimitive(_end);
_statsPacket->writePrimitive(_elapsed);
_statsPacket->writePrimitive(_totalEncodeTime);
_statsPacket->writePrimitive(_isFullScene);
_statsPacket->writePrimitive(_isMoving);
_statsPacket->writePrimitive(_packets);
_statsPacket->writePrimitive(_bytes);
_statsPacket->writePrimitive(_totalInternal);
_statsPacket->writePrimitive(_totalLeaves);
_statsPacket->writePrimitive(_internal);
_statsPacket->writePrimitive(_leaves);
_statsPacket->writePrimitive(_internalSkippedDistance);
_statsPacket->writePrimitive(_leavesSkippedDistance);
_statsPacket->writePrimitive(_internalSkippedOutOfView);
_statsPacket->writePrimitive(_leavesSkippedOutOfView);
_statsPacket->writePrimitive(_internalSkippedWasInView);
_statsPacket->writePrimitive(_leavesSkippedWasInView);
_statsPacket->writePrimitive(_internalSkippedNoChange);
_statsPacket->writePrimitive(_leavesSkippedNoChange);
_statsPacket->writePrimitive(_internalSkippedOccluded);
_statsPacket->writePrimitive(_leavesSkippedOccluded);
_statsPacket->writePrimitive(_internalColorSent);
_statsPacket->writePrimitive(_leavesColorSent);
_statsPacket->writePrimitive(_internalDidntFit);
_statsPacket->writePrimitive(_leavesDidntFit);
_statsPacket->writePrimitive(_colorBitsWritten);
_statsPacket->writePrimitive(_existsBitsWritten);
_statsPacket->writePrimitive(_existsInPacketBitsWritten);
_statsPacket->writePrimitive(_treesRemoved);
return _statsPacket->getPayloadSize();
}
int OctreeSceneStats::unpackFromPacket(ReceivedMessage& packet) {
packet.readPrimitive(&_start);
packet.readPrimitive(&_end);
packet.readPrimitive(&_elapsed);
packet.readPrimitive(&_totalEncodeTime);
packet.readPrimitive(&_isFullScene);
packet.readPrimitive(&_isMoving);
packet.readPrimitive(&_packets);
packet.readPrimitive(&_bytes);
if (_isFullScene) {
_lastFullElapsed = _elapsed;
_lastFullTotalEncodeTime = _totalEncodeTime;
_lastFullTotalPackets = _packets;
_lastFullTotalBytes = _bytes;
}
packet.readPrimitive(&_totalInternal);
packet.readPrimitive(&_totalLeaves);
_totalElements = _totalInternal + _totalLeaves;
packet.readPrimitive(&_internal);
packet.readPrimitive(&_leaves);
_traversed = _internal + _leaves;
packet.readPrimitive(&_internalSkippedDistance);
packet.readPrimitive(&_leavesSkippedDistance);
_skippedDistance = _internalSkippedDistance + _leavesSkippedDistance;
packet.readPrimitive(&_internalSkippedOutOfView);
packet.readPrimitive(&_leavesSkippedOutOfView);
_skippedOutOfView = _internalSkippedOutOfView + _leavesSkippedOutOfView;
packet.readPrimitive(&_internalSkippedWasInView);
packet.readPrimitive(&_leavesSkippedWasInView);
_skippedWasInView = _internalSkippedWasInView + _leavesSkippedWasInView;
packet.readPrimitive(&_internalSkippedNoChange);
packet.readPrimitive(&_leavesSkippedNoChange);
_skippedNoChange = _internalSkippedNoChange + _leavesSkippedNoChange;
packet.readPrimitive(&_internalSkippedOccluded);
packet.readPrimitive(&_leavesSkippedOccluded);
_skippedOccluded = _internalSkippedOccluded + _leavesSkippedOccluded;
packet.readPrimitive(&_internalColorSent);
packet.readPrimitive(&_leavesColorSent);
_colorSent = _internalColorSent + _leavesColorSent;
packet.readPrimitive(&_internalDidntFit);
packet.readPrimitive(&_leavesDidntFit);
_didntFit = _internalDidntFit + _leavesDidntFit;
packet.readPrimitive(&_colorBitsWritten);
packet.readPrimitive(&_existsBitsWritten);
packet.readPrimitive(&_existsInPacketBitsWritten);
packet.readPrimitive(&_treesRemoved);
// running averages
_elapsedAverage.updateAverage((float)_elapsed);
unsigned long total = _existsInPacketBitsWritten + _colorSent;
float calculatedBPV = total == 0 ? 0 : (_bytes * 8) / total;
_bitsPerOctreeAverage.updateAverage(calculatedBPV);
return packet.getPosition(); // excludes header!
}
void OctreeSceneStats::printDebugDetails() {
qCDebug(octree) << "\n------------------------------";
qCDebug(octree) << "OctreeSceneStats:";
qCDebug(octree) << "start: " << _start;
qCDebug(octree) << "end: " << _end;
qCDebug(octree) << "elapsed: " << _elapsed;
qCDebug(octree) << "encoding: " << _totalEncodeTime;
qCDebug(octree);
qCDebug(octree) << "full scene: " << debug::valueOf(_isFullScene);
qCDebug(octree) << "moving: " << debug::valueOf(_isMoving);
qCDebug(octree);
qCDebug(octree) << "packets: " << _packets;
qCDebug(octree) << "bytes: " << _bytes;
qCDebug(octree);
qCDebug(octree) << "total elements: " << _totalElements;
qCDebug(octree) << "internal: " << _totalInternal;
qCDebug(octree) << "leaves: " << _totalLeaves;
qCDebug(octree) << "traversed: " << _traversed;
qCDebug(octree) << "internal: " << _internal;
qCDebug(octree) << "leaves: " << _leaves;
qCDebug(octree) << "skipped distance: " << _skippedDistance;
qCDebug(octree) << "internal: " << _internalSkippedDistance;
qCDebug(octree) << "leaves: " << _leavesSkippedDistance;
qCDebug(octree) << "skipped out of view: " << _skippedOutOfView;
qCDebug(octree) << "internal: " << _internalSkippedOutOfView;
qCDebug(octree) << "leaves: " << _leavesSkippedOutOfView;
qCDebug(octree) << "skipped was in view: " << _skippedWasInView;
qCDebug(octree) << "internal: " << _internalSkippedWasInView;
qCDebug(octree) << "leaves: " << _leavesSkippedWasInView;
qCDebug(octree) << "skipped no change: " << _skippedNoChange;
qCDebug(octree) << "internal: " << _internalSkippedNoChange;
qCDebug(octree) << "leaves: " << _leavesSkippedNoChange;
qCDebug(octree) << "skipped occluded: " << _skippedOccluded;
qCDebug(octree) << "internal: " << _internalSkippedOccluded;
qCDebug(octree) << "leaves: " << _leavesSkippedOccluded;
qCDebug(octree);
qCDebug(octree) << "color sent: " << _colorSent;
qCDebug(octree) << "internal: " << _internalColorSent;
qCDebug(octree) << "leaves: " << _leavesColorSent;
qCDebug(octree) << "Didn't Fit: " << _didntFit;
qCDebug(octree) << "internal: " << _internalDidntFit;
qCDebug(octree) << "leaves: " << _leavesDidntFit;
qCDebug(octree) << "color bits: " << _colorBitsWritten;
qCDebug(octree) << "exists bits: " << _existsBitsWritten;
qCDebug(octree) << "in packet bit: " << _existsInPacketBitsWritten;
qCDebug(octree) << "trees removed: " << _treesRemoved;
}
OctreeSceneStats::ItemInfo OctreeSceneStats::_ITEMS[] = {
{ "Elapsed", GREENISH, 2, "Elapsed,fps" },
{ "Encode", YELLOWISH, 2, "Time,fps" },
{ "Network", GREYISH, 3, "Packets,Bytes,KBPS" },
{ "Octrees on Server", GREENISH, 3, "Total,Internal,Leaves" },
{ "Octrees Sent", YELLOWISH, 5, "Total,Bits/Octree,Avg Bits/Octree,Internal,Leaves" },
{ "Colors Sent", GREYISH, 3, "Total,Internal,Leaves" },
{ "Bitmasks Sent", GREENISH, 3, "Colors,Exists,In Packets" },
{ "Traversed", YELLOWISH, 3, "Total,Internal,Leaves" },
{ "Skipped - Total", GREYISH, 3, "Total,Internal,Leaves" },
{ "Skipped - Distance", GREENISH, 3, "Total,Internal,Leaves" },
{ "Skipped - Out of View", YELLOWISH, 3, "Total,Internal,Leaves" },
{ "Skipped - Was in View", GREYISH, 3, "Total,Internal,Leaves" },
{ "Skipped - No Change", GREENISH, 3, "Total,Internal,Leaves" },
{ "Skipped - Occluded", YELLOWISH, 3, "Total,Internal,Leaves" },
{ "Didn't fit in packet", GREYISH, 4, "Total,Internal,Leaves,Removed" },
{ "Mode", GREENISH, 4, "Moving,Stationary,Partial,Full" },
};
const char* OctreeSceneStats::getItemValue(Item item) {
const quint64 USECS_PER_SECOND = 1000 * 1000;
int calcFPS, calcAverageFPS, calculatedKBPS;
switch(item) {
case ITEM_ELAPSED: {
calcFPS = (float)USECS_PER_SECOND / (float)_elapsed;
float elapsedAverage = _elapsedAverage.getAverage();
calcAverageFPS = (float)USECS_PER_SECOND / (float)elapsedAverage;
sprintf(_itemValueBuffer, "%llu usecs (%d fps) Average: %.0f usecs (%d fps)",
(long long unsigned int)_elapsed, calcFPS, (double)elapsedAverage, calcAverageFPS);
break;
}
case ITEM_ENCODE:
calcFPS = (float)USECS_PER_SECOND / (float)_totalEncodeTime;
sprintf(_itemValueBuffer, "%llu usecs (%d fps)", (long long unsigned int)_totalEncodeTime, calcFPS);
break;
case ITEM_PACKETS: {
float elapsedSecs = ((float)_elapsed / (float)USECS_PER_SECOND);
calculatedKBPS = elapsedSecs == 0 ? 0 : ((_bytes * 8) / elapsedSecs) / 1000;
sprintf(_itemValueBuffer, "%d packets %lu bytes (%d kbps)", _packets, (long unsigned int)_bytes, calculatedKBPS);
break;
}
case ITEM_VOXELS_SERVER: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_totalElements,
(long unsigned int)_totalInternal,
(long unsigned int)_totalLeaves);
break;
}
case ITEM_VOXELS: {
unsigned long total = _existsInPacketBitsWritten + _colorSent;
float calculatedBPV = total == 0 ? 0 : (_bytes * 8) / total;
float averageBPV = _bitsPerOctreeAverage.getAverage();
sprintf(_itemValueBuffer, "%lu (%.2f bits/octree Average: %.2f bits/octree) %lu internal %lu leaves",
total, (double)calculatedBPV, (double)averageBPV,
(long unsigned int)_existsInPacketBitsWritten,
(long unsigned int)_colorSent);
break;
}
case ITEM_TRAVERSED: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_traversed, (long unsigned int)_internal, (long unsigned int)_leaves);
break;
}
case ITEM_SKIPPED: {
unsigned long total = _skippedDistance + _skippedOutOfView +
_skippedWasInView + _skippedNoChange + _skippedOccluded;
unsigned long internal = _internalSkippedDistance + _internalSkippedOutOfView +
_internalSkippedWasInView + _internalSkippedNoChange + _internalSkippedOccluded;
unsigned long leaves = _leavesSkippedDistance + _leavesSkippedOutOfView +
_leavesSkippedWasInView + _leavesSkippedNoChange + _leavesSkippedOccluded;
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
total, internal, leaves);
break;
}
case ITEM_SKIPPED_DISTANCE: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_skippedDistance,
(long unsigned int)_internalSkippedDistance,
(long unsigned int)_leavesSkippedDistance);
break;
}
case ITEM_SKIPPED_OUT_OF_VIEW: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_skippedOutOfView,
(long unsigned int)_internalSkippedOutOfView,
(long unsigned int)_leavesSkippedOutOfView);
break;
}
case ITEM_SKIPPED_WAS_IN_VIEW: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_skippedWasInView,
(long unsigned int)_internalSkippedWasInView,
(long unsigned int)_leavesSkippedWasInView);
break;
}
case ITEM_SKIPPED_NO_CHANGE: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_skippedNoChange,
(long unsigned int)_internalSkippedNoChange,
(long unsigned int)_leavesSkippedNoChange);
break;
}
case ITEM_SKIPPED_OCCLUDED: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_skippedOccluded,
(long unsigned int)_internalSkippedOccluded,
(long unsigned int)_leavesSkippedOccluded);
break;
}
case ITEM_COLORS: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves",
(long unsigned int)_colorSent,
(long unsigned int)_internalColorSent,
(long unsigned int)_leavesColorSent);
break;
}
case ITEM_DIDNT_FIT: {
sprintf(_itemValueBuffer, "%lu total %lu internal %lu leaves (removed: %lu)",
(long unsigned int)_didntFit,
(long unsigned int)_internalDidntFit,
(long unsigned int)_leavesDidntFit,
(long unsigned int)_treesRemoved);
break;
}
case ITEM_BITS: {
sprintf(_itemValueBuffer, "colors: %lu, exists: %lu, in packets: %lu",
(long unsigned int)_colorBitsWritten,
(long unsigned int)_existsBitsWritten,
(long unsigned int)_existsInPacketBitsWritten);
break;
}
case ITEM_MODE: {
sprintf(_itemValueBuffer, "%s - %s", (_isFullScene ? "Full Scene" : "Partial Scene"),
(_isMoving ? "Moving" : "Stationary"));
break;
}
default:
break;
}
return _itemValueBuffer;
}
void OctreeSceneStats::trackIncomingOctreePacket(ReceivedMessage& message, bool wasStatsPacket, qint64 nodeClockSkewUsec) {
const bool wantExtraDebugging = false;
// skip past the flags
message.seek(sizeof(OCTREE_PACKET_FLAGS));
OCTREE_PACKET_SEQUENCE sequence;
message.readPrimitive(&sequence);
OCTREE_PACKET_SENT_TIME sentAt;
message.readPrimitive(&sentAt);
//bool packetIsColored = oneAtBit(flags, PACKET_IS_COLOR_BIT);
//bool packetIsCompressed = oneAtBit(flags, PACKET_IS_COMPRESSED_BIT);
OCTREE_PACKET_SENT_TIME arrivedAt = usecTimestampNow();
qint64 flightTime = arrivedAt - sentAt + nodeClockSkewUsec;
if (wantExtraDebugging) {
qCDebug(octree) << "sentAt:" << sentAt << " usecs";
qCDebug(octree) << "arrivedAt:" << arrivedAt << " usecs";
qCDebug(octree) << "nodeClockSkewUsec:" << nodeClockSkewUsec << " usecs";
qCDebug(octree) << "node Clock Skew:" << formatUsecTime(nodeClockSkewUsec);
qCDebug(octree) << "flightTime:" << flightTime << " usecs";
}
// Guard against possible corrupted packets... with bad timestamps
const qint64 MAX_RESONABLE_FLIGHT_TIME = 200 * USECS_PER_SECOND; // 200 seconds is more than enough time for a packet to arrive
const qint64 MIN_RESONABLE_FLIGHT_TIME = -1 * (qint64)USECS_PER_SECOND; // more than 1 second of "reverse flight time" would be unreasonable
if (flightTime > MAX_RESONABLE_FLIGHT_TIME || flightTime < MIN_RESONABLE_FLIGHT_TIME) {
static QString repeatedMessage
= LogHandler::getInstance().addRepeatedMessageRegex(
"ignoring unreasonable packet... flightTime: -?\\d+ nodeClockSkewUsec: -?\\d+ usecs");
qCDebug(octree) << "ignoring unreasonable packet... flightTime:" << flightTime
<< "nodeClockSkewUsec:" << nodeClockSkewUsec << "usecs";;
return; // ignore any packets that are unreasonable
}
_incomingOctreeSequenceNumberStats.sequenceNumberReceived(sequence);
// track packets here...
_incomingPacket++;
_incomingBytes += message.getSize();
if (!wasStatsPacket) {
_incomingWastedBytes += (udt::MAX_PACKET_SIZE - message.getSize());
}
}