80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
#include "LookupServerAddress.h"
|
|
|
|
#include <launch/LaunchTask.h>
|
|
|
|
LookupServerAddress::LookupServerAddress(LaunchTask *parent) :
|
|
LaunchStep(parent), m_dnsLookup(new QDnsLookup(this))
|
|
{
|
|
connect(m_dnsLookup, &QDnsLookup::finished, this, &LookupServerAddress::on_dnsLookupFinished);
|
|
|
|
m_dnsLookup->setType(QDnsLookup::SRV);
|
|
}
|
|
|
|
void LookupServerAddress::setLookupAddress(const QString &lookupAddress)
|
|
{
|
|
m_lookupAddress = lookupAddress;
|
|
m_dnsLookup->setName(QString("_minecraft._tcp.%1").arg(lookupAddress));
|
|
}
|
|
|
|
void LookupServerAddress::setOutputAddressPtr(MinecraftServerTargetPtr output)
|
|
{
|
|
m_output = std::move(output);
|
|
}
|
|
|
|
bool LookupServerAddress::abort()
|
|
{
|
|
m_dnsLookup->abort();
|
|
emitFailed("Aborted");
|
|
return true;
|
|
}
|
|
|
|
void LookupServerAddress::executeTask()
|
|
{
|
|
m_dnsLookup->lookup();
|
|
}
|
|
|
|
void LookupServerAddress::on_dnsLookupFinished()
|
|
{
|
|
if (isFinished())
|
|
{
|
|
// Aborted
|
|
return;
|
|
}
|
|
|
|
if (m_dnsLookup->error() != QDnsLookup::NoError)
|
|
{
|
|
emit logLine(QString("Failed to resolve server address (this is NOT an error!) %1: %2\n")
|
|
.arg(m_dnsLookup->name(), m_dnsLookup->errorString()), MessageLevel::MultiMC);
|
|
resolve(m_lookupAddress, 25565); // Technically the task failed, however, we don't abort the launch
|
|
// and leave it up to minecraft to fail (or maybe not) when connecting
|
|
return;
|
|
}
|
|
|
|
const auto records = m_dnsLookup->serviceRecords();
|
|
if (records.empty())
|
|
{
|
|
emit logLine(
|
|
QString("Failed to resolve server address %1: the DNS lookup succeeded, but no records were returned.\n")
|
|
.arg(m_dnsLookup->name()), MessageLevel::Warning);
|
|
resolve(m_lookupAddress, 25565); // Technically the task failed, however, we don't abort the launch
|
|
// and leave it up to minecraft to fail (or maybe not) when connecting
|
|
return;
|
|
}
|
|
|
|
const auto &firstRecord = records.at(0);
|
|
quint16 port = firstRecord.port();
|
|
|
|
emit logLine(QString("Resolved server address %1 to %2 with port %3\n").arg(
|
|
m_dnsLookup->name(), firstRecord.target(), QString::number(port)),MessageLevel::MultiMC);
|
|
resolve(firstRecord.target(), port);
|
|
}
|
|
|
|
void LookupServerAddress::resolve(const QString &address, quint16 port)
|
|
{
|
|
m_output->address = address;
|
|
m_output->port = port;
|
|
|
|
emitSucceeded();
|
|
m_dnsLookup->deleteLater();
|
|
}
|