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Perform file hash checks asynchronously (#3815)

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Jonathan White 2019-11-09 08:02:34 -05:00 • committed by Janek Bevendorff
parent 7ba9fcc0e5
commit d3978980d2
1 changed files with 14 additions and 10 deletions
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24
src/core/FileWatcher.cpp
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@ -18,7 +18,9 @@
#include "FileWatcher.h" #include "FileWatcher.h"
#include "core/AsyncTask.h"
#include "core/Clock.h" #include "core/Clock.h"
#include <QCryptographicHash> #include <QCryptographicHash>
#include <QFileInfo> #include <QFileInfo>
@ -134,17 +136,19 @@ void FileWatcher::checkFileChecksum()
QByteArray FileWatcher::calculateChecksum() QByteArray FileWatcher::calculateChecksum()
{ {
QFile file(m_filePath); return AsyncTask::runAndWaitForFuture([this]() -> QByteArray {
if (file.open(QFile::ReadOnly)) { QFile file(m_filePath);
QCryptographicHash hash(QCryptographicHash::Sha256); if (file.open(QFile::ReadOnly)) {
if (m_fileChecksumSizeBytes > 0) { QCryptographicHash hash(QCryptographicHash::Sha256);
hash.addData(file.read(m_fileChecksumSizeBytes)); if (m_fileChecksumSizeBytes > 0) {
} else { hash.addData(file.read(m_fileChecksumSizeBytes));
hash.addData(&file); } else {
hash.addData(&file);
}
return hash.result();
} }
return hash.result(); return {};
} });
return {};
} }
BulkFileWatcher::BulkFileWatcher(QObject* parent) BulkFileWatcher::BulkFileWatcher(QObject* parent)