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Guard QTime::singleShot in CWebDataServices

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This commit is contained in:
Klaus Basan
2018-07-10 01:13:28 +02:00
parent ecc3f76e19
commit c8aabd675e
1 changed files with 29 additions and 6 deletions
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35
src/blackcore/webdataservices.cpp
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@@ -39,6 +39,7 @@
#include <QThread>
#include <QTimer>
#include <QtGlobal>
#include <QPointer>
using namespace BlackCore;
using namespace BlackCore::Db;
@@ -1017,7 +1018,12 @@ namespace BlackCore
m_vatsimStatusReader->start(QThread::LowPriority);
// run single shot in main loop, so readInBackgroundThread is not called before initReaders completes
QTimer::singleShot(100, this, [this]() { m_vatsimStatusReader->readInBackgroundThread(); });
const QPointer<CWebDataServices> myself(this);
QTimer::singleShot(100, this, [ = ]()
{
if (!myself) { return; }
m_vatsimStatusReader->readInBackgroundThread();
});
}
// ---- "normal data", triggerRead will start read, not starting directly
@@ -1119,7 +1125,12 @@ namespace BlackCore
if (m_shuttingDown) { return; }
if (!CThreadUtils::isCurrentThreadObjectThread(this))
{
QTimer::singleShot(0, this, &CWebDataServices::initDbInfoObjectReaderAndTriggerRead);
const QPointer<CWebDataServices> myself(this);
QTimer::singleShot(0, this, [ = ]
{
if (!myself) { return; }
this->initDbInfoObjectReaderAndTriggerRead();
});
return;
}
@@ -1142,7 +1153,12 @@ namespace BlackCore
// and trigger read
if (sApp->isInternetAccessible())
{
QTimer::singleShot(0, m_dbInfoDataReader, [this]() { m_dbInfoDataReader->read(); });
const QPointer<CWebDataServices> myself(this);
QTimer::singleShot(0, m_dbInfoDataReader, [ = ]()
{
if (!myself) { return; }
m_dbInfoDataReader->read();
});
}
else
{
@@ -1156,7 +1172,12 @@ namespace BlackCore
if (m_shuttingDown) { return; }
if (!CThreadUtils::isCurrentThreadObjectThread(this))
{
QTimer::singleShot(0, this, &CWebDataServices::initSharedInfoObjectReaderAndTriggerRead);
const QPointer<CWebDataServices> myself(this);
QTimer::singleShot(0, this, [ = ]
{
if (!myself) { return; }
this->initSharedInfoObjectReaderAndTriggerRead();
});
return;
}
@@ -1179,10 +1200,10 @@ namespace BlackCore
// and trigger read
if (sApp->isInternetAccessible())
{
const QPointer<CWebDataServices> guard(this);
const QPointer<CWebDataServices> myself(this);
QTimer::singleShot(0, m_sharedInfoDataReader, [ = ]()
{
if (guard.isNull()) { return; }
if (!myself) { return; }
m_sharedInfoDataReader->read();
});
}
@@ -1328,8 +1349,10 @@ namespace BlackCore
{
if (m_shuttingDown) { return; }
if (entities == CEntityFlags::NoEntity) { return; }
const QPointer<CWebDataServices> myself(this);
QTimer::singleShot(delayMs, [ = ]()
{
if (!myself) { return; }
this->readInBackground(entities); // deferred
});
}