uint qHash(const HifiSockAddr& sockAddr) {
if (sockAddr.getAddress().isNull()) {
return 0; // shouldn't happen, but if it does, zero is a perfectly valid hash
}
quint32 address = sockAddr.getAddress().toIPv4Address();
return sockAddr.getPort() + qHash(QByteArray::fromRawData((char*) &address,
sizeof(address)));
}
int NodeList::processDomainServerList(const QByteArray& packet) {
// this is a packet from the domain server, reset the count of un-replied check-ins
_numNoReplyDomainCheckIns = 0;
// if this was the first domain-server list from this domain, we've now connected
if (!_domainHandler.isConnected()) {
_domainHandler.setUUID(uuidFromPacketHeader(packet));
_domainHandler.setIsConnected(true);
}
int readNodes = 0;
// setup variables to read into from QDataStream
qint8 nodeType;
QUuid nodeUUID, connectionUUID;
HifiSockAddr nodePublicSocket;
HifiSockAddr nodeLocalSocket;
QDataStream packetStream(packet);
packetStream.skipRawData(numBytesForPacketHeader(packet));
// pull our owner UUID from the packet, it's always the first thing
QUuid newUUID;
packetStream >> newUUID;
setSessionUUID(newUUID);
// pull each node in the packet
while(packetStream.device()->pos() < packet.size()) {
packetStream >> nodeType >> nodeUUID >> nodePublicSocket >> nodeLocalSocket;
// if the public socket address is 0 then it's reachable at the same IP
// as the domain server
if (nodePublicSocket.getAddress().isNull()) {
nodePublicSocket.setAddress(_domainHandler.getIP());
}
SharedNodePointer node = addOrUpdateNode(nodeUUID, nodeType, nodePublicSocket, nodeLocalSocket);
packetStream >> connectionUUID;
node->setConnectionSecret(connectionUUID);
}
// ping inactive nodes in conjunction with receipt of list from domain-server
// this makes it happen every second and also pings any newly added nodes
pingInactiveNodes();
return readNodes;
}
qint64 LimitedNodeList::writeDatagram(const QByteArray& datagram, const HifiSockAddr& destinationSockAddr) {
// XXX can BandwidthRecorder be used for this?
// stat collection for packets
++_numCollectedPackets;
_numCollectedBytes += datagram.size();
qint64 bytesWritten = _nodeSocket.writeDatagram(datagram,
destinationSockAddr.getAddress(), destinationSockAddr.getPort());
if (bytesWritten < 0) {
qCDebug(networking) << "ERROR in writeDatagram:" << _nodeSocket.error() << "-" << _nodeSocket.errorString();
}
return bytesWritten;
}
qint64 LimitedNodeList::writeDatagram(const QByteArray& datagram, const HifiSockAddr& destinationSockAddr,
const QUuid& connectionSecret) {
QByteArray datagramCopy = datagram;
if (!connectionSecret.isNull()) {
// setup the MD5 hash for source verification in the header
replaceHashInPacketGivenConnectionUUID(datagramCopy, connectionSecret);
}
// stat collection for packets
++_numCollectedPackets;
_numCollectedBytes += datagram.size();
qint64 bytesWritten = _nodeSocket.writeDatagram(datagramCopy,
destinationSockAddr.getAddress(), destinationSockAddr.getPort());
if (bytesWritten < 0) {
qDebug() << "ERROR in writeDatagram:" << _nodeSocket.error() << "-" << _nodeSocket.errorString();
}
return bytesWritten;
}
void DataServer::readPendingDatagrams() {
QByteArray receivedPacket;
HifiSockAddr senderSockAddr;
while (_socket.hasPendingDatagrams()) {
receivedPacket.resize(_socket.pendingDatagramSize());
_socket.readDatagram(receivedPacket.data(), _socket.pendingDatagramSize(),
senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
PacketType requestType = packetTypeForPacket(receivedPacket);
if ((requestType == PacketTypeDataServerPut || requestType == PacketTypeDataServerGet) &&
receivedPacket[numBytesArithmeticCodingFromBuffer(receivedPacket.data())] == versionForPacketType(requestType)) {
QDataStream packetStream(receivedPacket);
int numReceivedHeaderBytes = numBytesForPacketHeader(receivedPacket);
packetStream.skipRawData(numReceivedHeaderBytes);
// pull the sequence number used for this packet
quint8 sequenceNumber = 0;
packetStream >> sequenceNumber;
// pull the UUID that we will need as part of the key
QString userString;
packetStream >> userString;
QUuid parsedUUID(userString);
if (parsedUUID.isNull()) {
// we failed to parse a UUID, this means the user has sent us a username
// ask redis for the UUID for this user
redisReply* reply = (redisReply*) redisCommand(_redis, "GET user:%s", qPrintable(userString));
if (reply->type == REDIS_REPLY_STRING) {
parsedUUID = QUuid(QString(reply->str));
}
if (!parsedUUID.isNull()) {
qDebug() << "Found UUID" << parsedUUID << "for username" << userString;
} else {
qDebug() << "Failed UUID lookup for username" << userString;
}
freeReplyObject(reply);
reply = NULL;
}
if (!parsedUUID.isNull()) {
if (requestType == PacketTypeDataServerPut) {
// pull the key and value that specifies the data the user is putting/getting
QString dataKey, dataValue;
packetStream >> dataKey >> dataValue;
qDebug("Sending command to redis: SET uuid:%s:%s %s",
qPrintable(uuidStringWithoutCurlyBraces(parsedUUID)),
qPrintable(dataKey), qPrintable(dataValue));
redisReply* reply = (redisReply*) redisCommand(_redis, "SET uuid:%s:%s %s",
qPrintable(uuidStringWithoutCurlyBraces(parsedUUID)),
qPrintable(dataKey), qPrintable(dataValue));
if (reply->type == REDIS_REPLY_STATUS && strcmp("OK", reply->str) == 0) {
// if redis stored the value successfully reply back with a confirm
// which is a reply packet with the sequence number
QByteArray replyPacket = byteArrayWithPopluatedHeader(PacketTypeDataServerConfirm, _uuid);
replyPacket.append(sequenceNumber);
_socket.writeDatagram(replyPacket, senderSockAddr.getAddress(), senderSockAddr.getPort());
}
freeReplyObject(reply);
} else {
// setup a send packet with the returned data
// leverage the packetData sent by overwriting and appending
QByteArray sendPacket = byteArrayWithPopluatedHeader(PacketTypeDataServerSend, _uuid);
QDataStream sendPacketStream(&sendPacket, QIODevice::Append);
sendPacketStream << sequenceNumber;
// pull the key list that specifies the data the user is putting/getting
QString keyListString;
packetStream >> keyListString;
if (keyListString != "uuid") {
// copy the parsed UUID
sendPacketStream << uuidStringWithoutCurlyBraces(parsedUUID);
const char MULTI_KEY_VALUE_SEPARATOR = '|';
// append the keyListString back to the sendPacket
sendPacketStream << keyListString;
QStringList keyList = keyListString.split(MULTI_KEY_VALUE_SEPARATOR);
QStringList valueList;
foreach (const QString& dataKey, keyList) {
qDebug("Sending command to redis: GET uuid:%s:%s",
qPrintable(uuidStringWithoutCurlyBraces(parsedUUID)),
qPrintable(dataKey));
redisReply* reply = (redisReply*) redisCommand(_redis, "GET uuid:%s:%s",
qPrintable(uuidStringWithoutCurlyBraces(parsedUUID)),
qPrintable(dataKey));
if (reply->len) {
// copy the value that redis returned
valueList << QString(reply->str);
} else {
// didn't find a value - insert a space
valueList << QChar(' ');
}
freeReplyObject(reply);
}
// append the value QStringList using the right separator
sendPacketStream << valueList.join(MULTI_KEY_VALUE_SEPARATOR);
} else {
void AssignmentClient::readPendingDatagrams() {
auto nodeList = DependencyManager::get<NodeList>();
QByteArray receivedPacket;
HifiSockAddr senderSockAddr;
while (nodeList->getNodeSocket().hasPendingDatagrams()) {
receivedPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
nodeList->getNodeSocket().readDatagram(receivedPacket.data(), receivedPacket.size(),
senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
if (nodeList->packetVersionAndHashMatch(receivedPacket)) {
if (packetTypeForPacket(receivedPacket) == PacketTypeCreateAssignment) {
qDebug() << "Received a PacketTypeCreateAssignment - attempting to unpack.";
// construct the deployed assignment from the packet data
_currentAssignment = AssignmentFactory::unpackAssignment(receivedPacket);
if (_currentAssignment) {
qDebug() << "Received an assignment -" << *_currentAssignment;
// switch our DomainHandler hostname and port to whoever sent us the assignment
nodeList->getDomainHandler().setSockAddr(senderSockAddr, _assignmentServerHostname);
nodeList->getDomainHandler().setAssignmentUUID(_currentAssignment->getUUID());
qDebug() << "Destination IP for assignment is" << nodeList->getDomainHandler().getIP().toString();
// start the deployed assignment
QThread* workerThread = new QThread;
workerThread->setObjectName("ThreadedAssignment Worker");
connect(workerThread, &QThread::started, _currentAssignment.data(), &ThreadedAssignment::run);
// Once the ThreadedAssignment says it is finished - we ask it to deleteLater
// This is a queued connection so that it is put into the event loop to be processed by the worker
// thread when it is ready.
connect(_currentAssignment.data(), &ThreadedAssignment::finished, _currentAssignment.data(),
&ThreadedAssignment::deleteLater, Qt::QueuedConnection);
// once it is deleted, we quit the worker thread
connect(_currentAssignment.data(), &ThreadedAssignment::destroyed, workerThread, &QThread::quit);
// have the worker thread remove itself once it is done
connect(workerThread, &QThread::finished, workerThread, &QThread::deleteLater);
// once the worker thread says it is done, we consider the assignment completed
connect(workerThread, &QThread::destroyed, this, &AssignmentClient::assignmentCompleted);
_currentAssignment->moveToThread(workerThread);
// move the NodeList to the thread used for the _current assignment
nodeList->moveToThread(workerThread);
// let the assignment handle the incoming datagrams for its duration
disconnect(&nodeList->getNodeSocket(), 0, this, 0);
connect(&nodeList->getNodeSocket(), &QUdpSocket::readyRead, _currentAssignment.data(),
&ThreadedAssignment::readPendingDatagrams);
// Starts an event loop, and emits workerThread->started()
workerThread->start();
} else {
qDebug() << "Received an assignment that could not be unpacked. Re-requesting.";
}
} else if (packetTypeForPacket(receivedPacket) == PacketTypeStopNode) {
if (senderSockAddr.getAddress() == QHostAddress::LocalHost ||
senderSockAddr.getAddress() == QHostAddress::LocalHostIPv6) {
qDebug() << "AssignmentClientMonitor at" << senderSockAddr << "requested stop via PacketTypeStopNode.";
QCoreApplication::quit();
} else {
qDebug() << "Got a stop packet from other than localhost.";
}
} else {
// have the NodeList attempt to handle it
nodeList->processNodeData(senderSockAddr, receivedPacket);
}
}
}
}
void NodeBounds::draw() {
if (!(_showVoxelNodes || _showModelNodes || _showParticleNodes)) {
_overlayText[0] = '\0';
return;
}
NodeToJurisdictionMap& voxelServerJurisdictions = Application::getInstance()->getVoxelServerJurisdictions();
NodeToJurisdictionMap& modelServerJurisdictions = Application::getInstance()->getModelServerJurisdictions();
NodeToJurisdictionMap& particleServerJurisdictions = Application::getInstance()->getParticleServerJurisdictions();
NodeToJurisdictionMap* serverJurisdictions;
// Compute ray to find selected nodes later on. We can't use the pre-computed ray in Application because it centers
// itself after the cursor disappears.
Application* application = Application::getInstance();
QGLWidget* glWidget = application->getGLWidget();
float mouseX = application->getMouseX() / (float)glWidget->width();
float mouseY = application->getMouseY() / (float)glWidget->height();
glm::vec3 mouseRayOrigin;
glm::vec3 mouseRayDirection;
application->getViewFrustum()->computePickRay(mouseX, mouseY, mouseRayOrigin, mouseRayDirection);
// Variables to keep track of the selected node and properties to draw the cube later if needed
Node* selectedNode = NULL;
float selectedDistance = FLT_MAX;
bool selectedIsInside = true;
glm::vec3 selectedCenter;
float selectedScale = 0;
NodeList* nodeList = NodeList::getInstance();
foreach (const SharedNodePointer& node, nodeList->getNodeHash()) {
NodeType_t nodeType = node->getType();
if (nodeType == NodeType::VoxelServer && _showVoxelNodes) {
serverJurisdictions = &voxelServerJurisdictions;
} else if (nodeType == NodeType::ModelServer && _showModelNodes) {
serverJurisdictions = &modelServerJurisdictions;
} else if (nodeType == NodeType::ParticleServer && _showParticleNodes) {
serverJurisdictions = &particleServerJurisdictions;
} else {
continue;
}
QUuid nodeUUID = node->getUUID();
if (serverJurisdictions->find(nodeUUID) != serverJurisdictions->end()) {
const JurisdictionMap& map = serverJurisdictions->value(nodeUUID);
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
glm::vec3 location(rootDetails.x, rootDetails.y, rootDetails.z);
location *= (float)TREE_SCALE;
AABox serverBounds(location, rootDetails.s * TREE_SCALE);
glm::vec3 center = serverBounds.getVertex(BOTTOM_RIGHT_NEAR)
+ ((serverBounds.getVertex(TOP_LEFT_FAR) - serverBounds.getVertex(BOTTOM_RIGHT_NEAR)) / 2.0f);
const float VOXEL_NODE_SCALE = 1.00f;
const float MODEL_NODE_SCALE = 0.99f;
const float PARTICLE_NODE_SCALE = 0.98f;
float scaleFactor = rootDetails.s * TREE_SCALE;
// Scale by 0.92 - 1.00 depending on the scale of the node. This allows smaller nodes to scale in
// a bit and not overlap larger nodes.
scaleFactor *= 0.92 + (rootDetails.s * 0.08);
// Scale different node types slightly differently because it's common for them to overlap.
if (nodeType == NodeType::VoxelServer) {
scaleFactor *= VOXEL_NODE_SCALE;
} else if (nodeType == NodeType::ModelServer) {
scaleFactor *= MODEL_NODE_SCALE;
} else {
scaleFactor *= PARTICLE_NODE_SCALE;
}
float red, green, blue;
getColorForNodeType(nodeType, red, green, blue);
drawNodeBorder(center, scaleFactor, red, green, blue);
float distance;
BoxFace face;
bool inside = serverBounds.contains(mouseRayOrigin);
bool colliding = serverBounds.findRayIntersection(mouseRayOrigin, mouseRayDirection, distance, face);
// If the camera is inside a node it will be "selected" if you don't have your cursor over another node
// that you aren't inside.
if (colliding && (!selectedNode || (!inside && (distance < selectedDistance || selectedIsInside)))) {
selectedNode = node.data();
selectedDistance = distance;
selectedIsInside = inside;
selectedCenter = center;
selectedScale = scaleFactor;
}
}
}
}
if (selectedNode) {
glPushMatrix();
glTranslatef(selectedCenter.x, selectedCenter.y, selectedCenter.z);
glScalef(selectedScale, selectedScale, selectedScale);
NodeType_t selectedNodeType = selectedNode->getType();
float red, green, blue;
getColorForNodeType(selectedNode->getType(), red, green, blue);
glColor4f(red, green, blue, 0.2);
glutSolidCube(1.0);
glPopMatrix();
HifiSockAddr addr = selectedNode->getPublicSocket();
QString overlay = QString("%1:%2 %3ms")
.arg(addr.getAddress().toString())
.arg(addr.getPort())
.arg(selectedNode->getPingMs())
.left(MAX_OVERLAY_TEXT_LENGTH);
// Ideally we'd just use a QString, but I ran into weird blinking issues using
// constData() directly, as if the data was being overwritten.
strcpy(_overlayText, overlay.toLocal8Bit().constData());
} else {
_overlayText[0] = '\0';
}
}
void NodeBounds::draw() {
if (!_showEntityNodes) {
_overlayText[0] = '\0';
return;
}
NodeToJurisdictionMap& entityServerJurisdictions = Application::getInstance()->getEntityServerJurisdictions();
NodeToJurisdictionMap* serverJurisdictions;
// Compute ray to find selected nodes later on. We can't use the pre-computed ray in Application because it centers
// itself after the cursor disappears.
Application* application = Application::getInstance();
PickRay pickRay = application->getCamera()->computePickRay(application->getTrueMouseX(),
application->getTrueMouseY());
// Variables to keep track of the selected node and properties to draw the cube later if needed
Node* selectedNode = NULL;
float selectedDistance = FLT_MAX;
bool selectedIsInside = true;
glm::vec3 selectedCenter;
float selectedScale = 0;
auto nodeList = DependencyManager::get<NodeList>();
nodeList->eachNode([&](const SharedNodePointer& node){
NodeType_t nodeType = node->getType();
if (nodeType == NodeType::EntityServer && _showEntityNodes) {
serverJurisdictions = &entityServerJurisdictions;
} else {
return;
}
QUuid nodeUUID = node->getUUID();
serverJurisdictions->lockForRead();
if (serverJurisdictions->find(nodeUUID) != serverJurisdictions->end()) {
const JurisdictionMap& map = (*serverJurisdictions)[nodeUUID];
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
serverJurisdictions->unlock();
glm::vec3 location(rootDetails.x, rootDetails.y, rootDetails.z);
AACube serverBounds(location, rootDetails.s);
glm::vec3 center = serverBounds.getVertex(BOTTOM_RIGHT_NEAR)
+ ((serverBounds.getVertex(TOP_LEFT_FAR) - serverBounds.getVertex(BOTTOM_RIGHT_NEAR)) / 2.0f);
const float ENTITY_NODE_SCALE = 0.99f;
float scaleFactor = rootDetails.s;
// Scale by 0.92 - 1.00 depending on the scale of the node. This allows smaller nodes to scale in
// a bit and not overlap larger nodes.
scaleFactor *= 0.92f + (rootDetails.s * 0.08f);
// Scale different node types slightly differently because it's common for them to overlap.
if (nodeType == NodeType::EntityServer) {
scaleFactor *= ENTITY_NODE_SCALE;
}
float red, green, blue;
getColorForNodeType(nodeType, red, green, blue);
drawNodeBorder(center, scaleFactor, red, green, blue);
float distance;
BoxFace face;
bool inside = serverBounds.contains(pickRay.origin);
bool colliding = serverBounds.findRayIntersection(pickRay.origin, pickRay.direction, distance, face);
// If the camera is inside a node it will be "selected" if you don't have your cursor over another node
// that you aren't inside.
if (colliding && (!selectedNode || (!inside && (distance < selectedDistance || selectedIsInside)))) {
selectedNode = node.data();
selectedDistance = distance;
selectedIsInside = inside;
selectedCenter = center;
selectedScale = scaleFactor;
}
} else {
serverJurisdictions->unlock();
}
} else {
serverJurisdictions->unlock();
}
});
if (selectedNode) {
glPushMatrix();
glTranslatef(selectedCenter.x, selectedCenter.y, selectedCenter.z);
glScalef(selectedScale, selectedScale, selectedScale);
float red, green, blue;
getColorForNodeType(selectedNode->getType(), red, green, blue);
DependencyManager::get<GeometryCache>()->renderSolidCube(1.0f, glm::vec4(red, green, blue, 0.2f));
glPopMatrix();
HifiSockAddr addr = selectedNode->getPublicSocket();
QString overlay = QString("%1:%2 %3ms")
.arg(addr.getAddress().toString())
.arg(addr.getPort())
.arg(selectedNode->getPingMs())
.left(MAX_OVERLAY_TEXT_LENGTH);
// Ideally we'd just use a QString, but I ran into weird blinking issues using
// constData() directly, as if the data was being overwritten.
strcpy(_overlayText, overlay.toLocal8Bit().constData());
} else {
_overlayText[0] = '\0';
}
}
