moonlight-qt/app/backend/computerseeker.cpp
2024-04-30 21:05:33 -05:00

73 lines
2.2 KiB
C++

#include "computerseeker.h"
#include "computermanager.h"
#include <QTimer>
ComputerSeeker::ComputerSeeker(ComputerManager *manager, QString computerName, QObject *parent)
: QObject(parent), m_ComputerManager(manager), m_ComputerName(computerName),
m_TimeoutTimer(new QTimer(this))
{
// If we know this computer, send a WOL packet to wake it up in case it is asleep.
for (NvComputer * computer: m_ComputerManager->getComputers()) {
if (this->matchComputer(computer)) {
computer->wake();
}
}
m_TimeoutTimer->setSingleShot(true);
connect(m_TimeoutTimer, &QTimer::timeout,
this, &ComputerSeeker::onTimeout);
connect(m_ComputerManager, &ComputerManager::computerStateChanged,
this, &ComputerSeeker::onComputerUpdated);
}
void ComputerSeeker::start(int timeout)
{
m_TimeoutTimer->start(timeout);
// Seek desired computer by both connecting to it directly (this may fail
// if m_ComputerName is UUID, or the name that doesn't resolve to an IP
// address) and by polling it using mDNS, hopefully one of these methods
// would find the host
m_ComputerManager->addNewHostManually(m_ComputerName);
m_ComputerManager->startPolling();
}
void ComputerSeeker::onComputerUpdated(NvComputer *computer)
{
if (!m_TimeoutTimer->isActive()) {
return;
}
if (matchComputer(computer) && isOnline(computer)) {
m_ComputerManager->stopPollingAsync();
m_TimeoutTimer->stop();
emit computerFound(computer);
}
}
bool ComputerSeeker::matchComputer(NvComputer *computer) const
{
QString value = m_ComputerName.toLower();
if (computer->name.toLower() == value || computer->uuid.toLower() == value) {
return true;
}
for (const NvAddress& addr : computer->uniqueAddresses()) {
if (addr.address().toLower() == value || addr.toString().toLower() == value) {
return true;
}
}
return false;
}
bool ComputerSeeker::isOnline(NvComputer *computer) const
{
return computer->state == NvComputer::CS_ONLINE;
}
void ComputerSeeker::onTimeout()
{
m_TimeoutTimer->stop();
m_ComputerManager->stopPollingAsync();
emit errorTimeout();
}