powersync-plugins/networkdetector/broadcastping.cpp

52 lines
2.0 KiB
C++

#include "broadcastping.h"
#include "extern-plugininfo.h"
#include <QNetworkInterface>
#include <QProcess>
BroadcastPing::BroadcastPing(QObject *parent) : QObject(parent)
{
}
void BroadcastPing::run()
{
qDeleteAll(m_runningPings.keys());
m_runningPings.clear();
foreach (const QNetworkInterface &interface, QNetworkInterface::allInterfaces()) {
if (!interface.flags().testFlag(QNetworkInterface::IsUp) || !interface.flags().testFlag(QNetworkInterface::CanBroadcast) || interface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
continue;
}
foreach (const QNetworkAddressEntry &addressEntry, interface.addressEntries()) {
if (addressEntry.broadcast().isNull()) {
continue;
}
qCDebug(dcNetworkDetector()) << "Sending Broadcast Ping on" << addressEntry.broadcast().toString() + '/' + QString::number(addressEntry.prefixLength()) + "...";
QProcess *p = new QProcess(this);
m_runningPings.insert(p, addressEntry);
p->start("fping", {"-a", "-c", "1", "-g", addressEntry.broadcast().toString() + "/" + QString::number(addressEntry.prefixLength())});
connect(p, SIGNAL(finished(int)), this, SLOT(broadcastPingFinished(int)));
}
}
if (m_runningPings.isEmpty()) {
qCWarning(dcNetworkDetector()) << "Cound not find any suitable interface for broadcast pinging";
emit finished();
}
}
void BroadcastPing::broadcastPingFinished(int exitCode)
{
Q_UNUSED(exitCode);
QProcess *p = static_cast<QProcess*>(sender());
QNetworkAddressEntry addressEntry = m_runningPings.take(p);
qCDebug(dcNetworkDetector()) << "Broadcast ping finished for network" << addressEntry.broadcast().toString() + '/' + QString::number(addressEntry.prefixLength());
// qCDebug(dcNetworkDetector()) << p->readAllStandardError();
p->deleteLater();
if (m_runningPings.isEmpty()) {
qCDebug(dcNetworkDetector()) << "All broadcast pings finished";
emit finished();
}
}