moonlight-qt/app/backend/nvcomputer.cpp

313 lines
10 KiB
C++

#include "nvcomputer.h"
#include <QUdpSocket>
#include <QHostInfo>
#include <QNetworkInterface>
#define SER_NAME "hostname"
#define SER_UUID "uuid"
#define SER_MAC "mac"
#define SER_LOCALADDR "localaddress"
#define SER_REMOTEADDR "remoteaddress"
#define SER_MANUALADDR "manualaddress"
#define SER_APPLIST "apps"
#define SER_SRVCERT "srvcert"
#define SER_APPNAME "name"
#define SER_APPID "id"
#define SER_APPHDR "hdr"
NvComputer::NvComputer(QSettings& settings)
{
this->name = settings.value(SER_NAME).toString();
this->uuid = settings.value(SER_UUID).toString();
this->macAddress = settings.value(SER_MAC).toByteArray();
this->localAddress = settings.value(SER_LOCALADDR).toString();
this->remoteAddress = settings.value(SER_REMOTEADDR).toString();
this->manualAddress = settings.value(SER_MANUALADDR).toString();
this->serverCert = QSslCertificate(settings.value(SER_SRVCERT).toByteArray());
int appCount = settings.beginReadArray(SER_APPLIST);
for (int i = 0; i < appCount; i++) {
NvApp app;
settings.setArrayIndex(i);
app.name = settings.value(SER_APPNAME).toString();
app.id = settings.value(SER_APPID).toInt();
app.hdrSupported = settings.value(SER_APPHDR).toBool();
this->appList.append(app);
}
settings.endArray();
sortAppList();
this->activeAddress = nullptr;
this->currentGameId = 0;
this->pairState = PS_UNKNOWN;
this->state = CS_UNKNOWN;
this->gfeVersion = nullptr;
this->appVersion = nullptr;
this->maxLumaPixelsHEVC = 0;
this->serverCodecModeSupport = 0;
this->pendingQuit = false;
this->gpuModel = nullptr;
}
void NvComputer::serialize(QSettings& settings)
{
QReadLocker lock(&this->lock);
settings.setValue(SER_NAME, name);
settings.setValue(SER_UUID, uuid);
settings.setValue(SER_MAC, macAddress);
settings.setValue(SER_LOCALADDR, localAddress);
settings.setValue(SER_REMOTEADDR, remoteAddress);
settings.setValue(SER_MANUALADDR, manualAddress);
settings.setValue(SER_SRVCERT, serverCert.toPem());
// Avoid deleting an existing applist if we couldn't get one
if (!appList.isEmpty()) {
settings.remove(SER_APPLIST);
settings.beginWriteArray(SER_APPLIST);
for (int i = 0; i < appList.count(); i++) {
settings.setArrayIndex(i);
settings.setValue(SER_APPNAME, appList[i].name);
settings.setValue(SER_APPID, appList[i].id);
settings.setValue(SER_APPHDR, appList[i].hdrSupported);
}
settings.endArray();
}
}
void NvComputer::sortAppList()
{
std::stable_sort(appList.begin(), appList.end(), [](const NvApp& app1, const NvApp& app2) {
return app1.name.toLower() < app2.name.toLower();
});
}
NvComputer::NvComputer(QString address, QString serverInfo, QSslCertificate serverCert)
{
this->serverCert = serverCert;
this->name = NvHTTP::getXmlString(serverInfo, "hostname");
if (this->name.isEmpty()) {
this->name = "UNKNOWN";
}
this->uuid = NvHTTP::getXmlString(serverInfo, "uniqueid");
QString newMacString = NvHTTP::getXmlString(serverInfo, "mac");
if (newMacString != "00:00:00:00:00:00") {
QStringList macOctets = newMacString.split(':');
for (QString macOctet : macOctets) {
this->macAddress.append((char) macOctet.toInt(nullptr, 16));
}
}
QString codecSupport = NvHTTP::getXmlString(serverInfo, "ServerCodecModeSupport");
if (!codecSupport.isEmpty()) {
this->serverCodecModeSupport = codecSupport.toInt();
}
else {
this->serverCodecModeSupport = 0;
}
QString maxLumaPixelsHEVC = NvHTTP::getXmlString(serverInfo, "MaxLumaPixelsHEVC");
if (!maxLumaPixelsHEVC.isEmpty()) {
this->maxLumaPixelsHEVC = maxLumaPixelsHEVC.toInt();
}
else {
this->maxLumaPixelsHEVC = 0;
}
this->displayModes = NvHTTP::getDisplayModeList(serverInfo);
std::stable_sort(this->displayModes.begin(), this->displayModes.end(),
[](const NvDisplayMode& mode1, const NvDisplayMode& mode2) {
return mode1.width * mode1.height * mode1.refreshRate <
mode2.width * mode2.height * mode2.refreshRate;
});
this->localAddress = NvHTTP::getXmlString(serverInfo, "LocalIP");
this->remoteAddress = NvHTTP::getXmlString(serverInfo, "ExternalIP");
this->pairState = NvHTTP::getXmlString(serverInfo, "PairStatus") == "1" ?
PS_PAIRED : PS_NOT_PAIRED;
this->currentGameId = NvHTTP::getCurrentGame(serverInfo);
this->appVersion = NvHTTP::getXmlString(serverInfo, "appversion");
this->gfeVersion = NvHTTP::getXmlString(serverInfo, "GfeVersion");
this->gpuModel = NvHTTP::getXmlString(serverInfo, "gputype");
this->activeAddress = address;
this->state = NvComputer::CS_ONLINE;
this->pendingQuit = false;
}
bool NvComputer::wake()
{
if (state == NvComputer::CS_ONLINE) {
qWarning() << name << "is already online";
return true;
}
if (macAddress.isEmpty()) {
qWarning() << name << "has no MAC address stored";
return false;
}
const quint16 WOL_PORTS[] = {
7, 9, // Standard WOL ports
47998, 47999, 48000, // Ports opened by GFE
};
// Create the WoL payload
QByteArray wolPayload;
wolPayload.append(QByteArray::fromHex("FFFFFFFFFFFF"));
for (int i = 0; i < 16; i++) {
wolPayload.append(macAddress);
}
Q_ASSERT(wolPayload.count() == 102);
// Add the addresses that we know this host to be
// and broadcast addresses for this link just in
// case the host has timed out in ARP entries.
QVector<QString> addressList = uniqueAddresses();
addressList.append("255.255.255.255");
// Try to broadcast on all available NICs
for (const QNetworkInterface& nic : QNetworkInterface::allInterfaces()) {
// Ensure the interface is up and skip the loopback adapter
if ((nic.flags() & QNetworkInterface::IsUp) == 0 ||
(nic.flags() & QNetworkInterface::IsLoopBack) != 0) {
continue;
}
QHostAddress allNodesMulticast("FF02::1");
for (const QNetworkAddressEntry& addr : nic.addressEntries()) {
// Store the scope ID for this NIC if IPv6 is enabled
if (!addr.ip().scopeId().isEmpty()) {
allNodesMulticast.setScopeId(addr.ip().scopeId());
}
// Skip IPv6 which doesn't support broadcast
if (!addr.broadcast().isNull()) {
addressList.append(addr.broadcast().toString());
}
}
if (!allNodesMulticast.scopeId().isEmpty()) {
addressList.append(allNodesMulticast.toString());
}
}
// Try all unique address strings or host names
bool success = false;
for (QString& addressString : addressList) {
QHostInfo hostInfo = QHostInfo::fromName(addressString);
if (hostInfo.error() != QHostInfo::NoError) {
qWarning() << "Error resolving" << addressString << ":" << hostInfo.errorString();
continue;
}
// Try all IP addresses that this string resolves to
for (QHostAddress& address : hostInfo.addresses()) {
QUdpSocket sock;
// Send to all ports
for (quint16 port : WOL_PORTS) {
if (sock.writeDatagram(wolPayload, address, port)) {
qInfo().nospace().noquote() << "Sent WoL packet to " << name << " via " << address.toString() << ":" << port;
success = true;
}
else {
qWarning() << "Send failed:" << sock.error();
}
}
}
}
return success;
}
QVector<QString> NvComputer::uniqueAddresses()
{
QVector<QString> uniqueAddressList;
// Start with addresses correctly ordered
uniqueAddressList.append(activeAddress);
uniqueAddressList.append(localAddress);
uniqueAddressList.append(remoteAddress);
uniqueAddressList.append(manualAddress);
// Prune duplicates (always giving precedence to the first)
for (int i = 0; i < uniqueAddressList.count(); i++) {
if (uniqueAddressList[i].isEmpty()) {
uniqueAddressList.remove(i);
i--;
continue;
}
for (int j = i + 1; j < uniqueAddressList.count(); j++) {
if (uniqueAddressList[i] == uniqueAddressList[j]) {
// Always remove the later occurrence
uniqueAddressList.remove(j);
j--;
}
}
}
// We must have at least 1 address
Q_ASSERT(!uniqueAddressList.isEmpty());
return uniqueAddressList;
}
bool NvComputer::update(NvComputer& that)
{
bool changed = false;
// Lock us for write and them for read
QWriteLocker thisLock(&this->lock);
QReadLocker thatLock(&that.lock);
// UUID may not change or we're talking to a new PC
Q_ASSERT(this->uuid == that.uuid);
#define ASSIGN_IF_CHANGED(field) \
if (this->field != that.field) { \
this->field = that.field; \
changed = true; \
}
#define ASSIGN_IF_CHANGED_AND_NONEMPTY(field) \
if (!that.field.isEmpty() && \
this->field != that.field) { \
this->field = that.field; \
changed = true; \
}
#define ASSIGN_IF_CHANGED_AND_NONNULL(field) \
if (!that.field.isNull() && \
this->field != that.field) { \
this->field = that.field; \
changed = true; \
}
ASSIGN_IF_CHANGED(name);
ASSIGN_IF_CHANGED_AND_NONEMPTY(macAddress);
ASSIGN_IF_CHANGED_AND_NONEMPTY(localAddress);
ASSIGN_IF_CHANGED_AND_NONEMPTY(remoteAddress);
ASSIGN_IF_CHANGED_AND_NONEMPTY(manualAddress);
ASSIGN_IF_CHANGED(pairState);
ASSIGN_IF_CHANGED(serverCodecModeSupport);
ASSIGN_IF_CHANGED(currentGameId);
ASSIGN_IF_CHANGED(activeAddress);
ASSIGN_IF_CHANGED(state);
ASSIGN_IF_CHANGED(gfeVersion);
ASSIGN_IF_CHANGED(appVersion);
ASSIGN_IF_CHANGED(maxLumaPixelsHEVC);
ASSIGN_IF_CHANGED(gpuModel);
ASSIGN_IF_CHANGED_AND_NONNULL(serverCert);
ASSIGN_IF_CHANGED_AND_NONEMPTY(appList);
ASSIGN_IF_CHANGED_AND_NONEMPTY(displayModes);
return changed;
}