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Remove old devices

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This commit is contained in:
Tim Gromeyer
2025-03-15 11:46:50 +01:00
parent 9e40e6e3fd
commit cb625d0889
4 changed files with 42 additions and 25 deletions
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29
linux/ble/blemanager.cpp
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@@ -1,5 +1,6 @@
#include "blemanager.h"
#include <QDebug>
#include <QTimer>
BleManager::BleManager(QObject *parent) : QObject(parent)
{
@@ -12,11 +13,17 @@ BleManager::BleManager(QObject *parent) : QObject(parent)
this, &BleManager::onScanFinished);
connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::errorOccurred,
this, &BleManager::onErrorOccurred);
// Set up pruning timer
pruneTimer = new QTimer(this);
connect(pruneTimer, &QTimer::timeout, this, &BleManager::pruneOldDevices);
pruneTimer->start(PRUNE_INTERVAL_MS); // Start timer (runs every 5 seconds)
}
BleManager::~BleManager()
{
delete discoveryAgent;
delete pruneTimer;
}
void BleManager::startScan()
@@ -24,6 +31,7 @@ void BleManager::startScan()
qDebug() << "Starting BLE scan...";
devices.clear();
discoveryAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
pruneTimer->start(PRUNE_INTERVAL_MS); // Ensure timer is running
}
void BleManager::stopScan()
@@ -111,6 +119,9 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
else
deviceInfo.lidState = DeviceInfo::LidState::UNKNOWN;
// Update timestamp
deviceInfo.lastSeen = QDateTime::currentDateTime();
// Store device info in the map
devices[address] = deviceInfo;
@@ -136,4 +147,22 @@ void BleManager::onErrorOccurred(QBluetoothDeviceDiscoveryAgent::Error error)
{
qDebug() << "Error occurred:" << error;
stopScan();
}
void BleManager::pruneOldDevices()
{
QDateTime now = QDateTime::currentDateTime();
auto it = devices.begin();
while (it != devices.end())
{
if (it.value().lastSeen.msecsTo(now) > DEVICE_TIMEOUT_MS)
{
qDebug() << "Removing old device:" << it.value().name << "at" << it.key();
it = devices.erase(it); // Remove device if not seen recently
}
else
{
++it;
}
}
}