overte-HifiExperiments/libraries/networking/src/Node.cpp

275 lines
9 KiB
C++

//
// Node.cpp
// libraries/networking/src
//
// Created by Stephen Birarda on 2/15/13.
// Copyright 2013 High Fidelity, Inc.
// Copyright 2021 Vircadia contributors.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "Node.h"
#include <cstring>
#include <stdio.h>
#include <QtCore/QDataStream>
#include <QtCore/QDebug>
#include <UUID.h>
#include "NetworkLogging.h"
#include "NodePermissions.h"
#include "SharedUtil.h"
const QString UNKNOWN_NodeType_t_NAME = "Unknown";
int NodePtrMetaTypeId = qRegisterMetaType<Node*>("Node*");
int sharedPtrNodeMetaTypeId = qRegisterMetaType<QSharedPointer<Node>>("QSharedPointer<Node>");
int sharedNodePtrMetaTypeId = qRegisterMetaType<SharedNodePointer>("SharedNodePointer");
static const QHash<NodeType_t, QString> TYPE_NAME_HASH {
{ NodeType::DomainServer, "Domain Server" },
{ NodeType::EntityServer, "Entity Server" },
{ NodeType::Agent, "Agent" },
{ NodeType::AudioMixer, "Audio Mixer" },
{ NodeType::AvatarMixer, "Avatar Mixer" },
{ NodeType::MessagesMixer, "Messages Mixer" },
{ NodeType::AssetServer, "Asset Server" },
{ NodeType::EntityScriptServer, "Entity Script Server" },
{ NodeType::UpstreamAudioMixer, "Upstream Audio Mixer" },
{ NodeType::UpstreamAvatarMixer, "Upstream Avatar Mixer" },
{ NodeType::DownstreamAudioMixer, "Downstream Audio Mixer" },
{ NodeType::DownstreamAvatarMixer, "Downstream Avatar Mixer" },
{ NodeType::Unassigned, "Unassigned" }
};
static const QHash<NodeType_t, QString> TYPE_CHAR_HASH {
{ NodeType::DomainServer, "D" },
{ NodeType::EntityServer, "o" },
{ NodeType::Agent, "I" },
{ NodeType::AudioMixer, "M" },
{ NodeType::AvatarMixer, "W" },
{ NodeType::AssetServer, "A" },
{ NodeType::MessagesMixer, "m" },
{ NodeType::EntityScriptServer, "S" },
{ NodeType::UpstreamAudioMixer, "B" },
{ NodeType::UpstreamAvatarMixer, "C" },
{ NodeType::DownstreamAudioMixer, "a" },
{ NodeType::DownstreamAvatarMixer, "w" },
{ NodeType::Unassigned, QChar(1) }
};
const QString& NodeType::getNodeTypeName(NodeType_t nodeType) {
const auto matchedTypeName = TYPE_NAME_HASH.find(nodeType);
return matchedTypeName != TYPE_NAME_HASH.end() ? matchedTypeName.value() : UNKNOWN_NodeType_t_NAME;
}
bool NodeType::isUpstream(NodeType_t nodeType) {
return nodeType == NodeType::UpstreamAudioMixer || nodeType == NodeType::UpstreamAvatarMixer;
}
bool NodeType::isDownstream(NodeType_t nodeType) {
return nodeType == NodeType::DownstreamAudioMixer || nodeType == NodeType::DownstreamAvatarMixer;
}
NodeType_t NodeType::upstreamType(NodeType_t primaryType) {
switch (primaryType) {
case AudioMixer:
return UpstreamAudioMixer;
case AvatarMixer:
return UpstreamAvatarMixer;
default:
return Unassigned;
}
}
NodeType_t NodeType::downstreamType(NodeType_t primaryType) {
switch (primaryType) {
case AudioMixer:
return DownstreamAudioMixer;
case AvatarMixer:
return DownstreamAvatarMixer;
default:
return Unassigned;
}
}
NodeType_t NodeType::fromString(QString type) {
return TYPE_NAME_HASH.key(type, NodeType::Unassigned);
}
NodeType_t NodeType::fromChar(QChar type) {
return TYPE_CHAR_HASH.key(type, NodeType::Unassigned);
}
Node::Node(const QUuid& uuid, NodeType_t type, const SockAddr& publicSocket,
const SockAddr& localSocket, QObject* parent) :
NetworkPeer(uuid, publicSocket, localSocket, parent),
_type(type),
_pingMs(-1), // "Uninitialized"
_clockSkewUsec(0),
_mutex(),
_clockSkewMovingPercentile(30, 0.8f) // moving 80th percentile of 30 samples
{
// Update socket's object name
setType(_type);
}
void Node::setType(char type) {
_type = type;
auto typeString = NodeType::getNodeTypeName(type);
_publicSocket.setObjectName(typeString);
_localSocket.setObjectName(typeString);
_symmetricSocket.setObjectName(typeString);
}
void Node::updateClockSkewUsec(qint64 clockSkewSample) {
_clockSkewMovingPercentile.updatePercentile(clockSkewSample);
_clockSkewUsec = (quint64)_clockSkewMovingPercentile.getValueAtPercentile();
}
Node::NodesIgnoredPair Node::parseIgnoreRequestMessage(QSharedPointer<ReceivedMessage> message) {
bool addToIgnore;
message->readPrimitive(&addToIgnore);
std::vector<QUuid> nodesIgnored;
while (message->getBytesLeftToRead()) {
// parse out the UUID being ignored from the packet
QUuid ignoredUUID = QUuid::fromRfc4122(message->readWithoutCopy(NUM_BYTES_RFC4122_UUID));
if (addToIgnore) {
addIgnoredNode(ignoredUUID);
} else {
removeIgnoredNode(ignoredUUID);
}
nodesIgnored.push_back(ignoredUUID);
}
return { nodesIgnored, addToIgnore };
}
void Node::addIgnoredNode(const QUuid& otherNodeID) {
if (!otherNodeID.isNull() && otherNodeID != _uuid) {
QWriteLocker lock { &_ignoredNodeIDSetLock };
qCDebug(networking) << "Adding" << uuidStringWithoutCurlyBraces(otherNodeID) << "to ignore set for"
<< uuidStringWithoutCurlyBraces(_uuid);
// add the session UUID to the set of ignored ones for this listening node
if (std::find(_ignoredNodeIDs.begin(), _ignoredNodeIDs.end(), otherNodeID) == _ignoredNodeIDs.end()) {
_ignoredNodeIDs.push_back(otherNodeID);
}
} else {
qCWarning(networking) << "Node::addIgnoredNode called with null ID or ID of ignoring node.";
}
}
void Node::removeIgnoredNode(const QUuid& otherNodeID) {
if (!otherNodeID.isNull() && otherNodeID != _uuid) {
QWriteLocker lock { &_ignoredNodeIDSetLock };
qCDebug(networking) << "Removing" << uuidStringWithoutCurlyBraces(otherNodeID) << "from ignore set for"
<< uuidStringWithoutCurlyBraces(_uuid);
// remove the session UUID from the set of ignored ones for this listening node, if it exists
auto it = std::remove(_ignoredNodeIDs.begin(), _ignoredNodeIDs.end(), otherNodeID);
if (it != _ignoredNodeIDs.end()) {
_ignoredNodeIDs.erase(it);
}
} else {
qCWarning(networking) << "Node::removeIgnoredNode called with null ID or ID of ignoring node.";
}
}
bool Node::isIgnoringNodeWithID(const QUuid& nodeID) const {
QReadLocker lock { &_ignoredNodeIDSetLock };
// check if this node ID is present in the ignore node ID set
return std::find(_ignoredNodeIDs.begin(), _ignoredNodeIDs.end(), nodeID) != _ignoredNodeIDs.end();
}
QDataStream& operator<<(QDataStream& out, const Node& node) {
out << node._type;
out << node._uuid;
out << node._publicSocket;
out << node._localSocket;
out << node._permissions;
out << node._isReplicated;
out << node._localID;
return out;
}
QDataStream& operator>>(QDataStream& in, Node& node) {
in >> node._type;
in >> node._uuid;
in >> node._publicSocket;
in >> node._localSocket;
in >> node._permissions;
in >> node._isReplicated;
in >> node._localID;
return in;
}
QDebug operator<<(QDebug debug, const Node& node) {
debug.nospace() << NodeType::getNodeTypeName(node.getType());
if (node.getType() == NodeType::Unassigned) {
debug.nospace() << " (1)";
} else {
debug.nospace() << " (" << node.getType() << ")";
}
debug << " " << node.getUUID().toString().toLocal8Bit().constData() << "(" << node.getLocalID() << ") ";
debug.nospace() << node.getPublicSocket() << "/" << node.getLocalSocket();
return debug.nospace();
}
void Node::setConnectionSecret(const QUuid& connectionSecret) {
if (_connectionSecret == connectionSecret) {
return;
}
if (!_authenticateHash) {
_authenticateHash.reset(new HMACAuth());
}
_connectionSecret = connectionSecret;
_authenticateHash->setKey(_connectionSecret);
}
void Node::updateStats(Stats stats) {
_stats = stats;
}
const Node::Stats& Node::getConnectionStats() const {
return _stats;
}
float Node::getInboundKbps() const {
float bitsReceived = (_stats.receivedBytes + _stats.receivedUnreliableBytes) * BITS_IN_BYTE;
auto elapsed = _stats.endTime - _stats.startTime;
auto bps = (bitsReceived * USECS_PER_SECOND) / elapsed.count();
return bps / BYTES_PER_KILOBYTE;
}
float Node::getOutboundKbps() const {
float bitsSent = (_stats.sentBytes + _stats.sentUnreliableBytes) * BITS_IN_BYTE;
auto elapsed = _stats.endTime - _stats.startTime;
auto bps = (bitsSent * USECS_PER_SECOND) / elapsed.count();
return bps / BYTES_PER_KILOBYTE;
}
int Node::getInboundPPS() const {
float packetsReceived = _stats.receivedPackets + _stats.receivedUnreliablePackets;
auto elapsed = _stats.endTime - _stats.startTime;
return (packetsReceived * USECS_PER_SECOND) / elapsed.count();
}
int Node::getOutboundPPS() const {
float packetsSent = _stats.sentPackets + _stats.sentUnreliablePackets;
auto elapsed = _stats.endTime - _stats.startTime;
return (packetsSent * USECS_PER_SECOND) / elapsed.count();
}