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/**
* Copyright (C) 2021 Saturneric
*
* This file is part of GpgFrontend.
*
* GpgFrontend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* The source code version of this software was modified and released
* by Saturneric<[email protected]><[email protected]> starting on May 12, 2021.
*
*/
#include "FileReadThread.h"
#include <utility>
namespace GpgFrontend::UI {
FileReadThread::FileReadThread(std::string path) : path_(std::move(path)) {
qRegisterMetaType<std::string>("std::string");
}
void FileReadThread::run() {
LOG(INFO) << "started reading" << path_;
#ifdef WINDOWS
std::filesystem::path read_file_path(QString::fromStdString(path_).toStdU16String());
#else
std::filesystem::path read_file_path(QString::fromStdString(path_).toStdString());
#endif
if (is_regular_file(read_file_path)) {
LOG(INFO) << "read open" << read_file_path;
QFile target_file;
target_file.setFileName(QString::fromStdString(read_file_path.u8string()));
target_file.open(QIODevice::ReadOnly);
QByteArray read_buffer;
LOG(INFO) << "thread start reading";
const size_t buffer_size = 4096;
if(!(target_file.isOpen() && target_file.isReadable())) {
LOG(ERROR) << "file not open or not readable";
if(target_file.isOpen())
target_file.close();
return;
}
while (!target_file.atEnd() && (read_buffer = target_file.read(buffer_size)).size() > 0) {
// Check isInterruptionRequested
if (QThread::currentThread()->isInterruptionRequested()) {
LOG(INFO) << "thread is interruption requested ";
target_file.close();
return;
}
LOG(INFO) << "block size " << read_buffer.size();
std::string buffer_str(read_buffer.toStdString());
emit SignalSendReadBlock(buffer_str);
#ifdef RELEASE
QThread::msleep(32);
#else
QThread::msleep(128);
#endif
}
target_file.close();
emit SignalReadDone();
LOG(INFO) << "thread end reading";
}
}
} // namespace GpgFrontend::UI
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