59 lines
2.0 KiB
C++
Executable File
59 lines
2.0 KiB
C++
Executable File
#include "CheckStorageThread.h"
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#include "Constant.h"
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#include "Log.h"
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#include "Tool.h"
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#include <QFile>
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#include <QMutex>
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#include <QWaitCondition>
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// 磁盘剩余最小容量
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#define THRESHOLD 10 * 1024 * 1024
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// 检查间隔
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#define INTERVAL 10 * 60 * 1000
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extern QString curFilename;
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extern QMutex mutex;
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extern QWaitCondition condition;
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CheckStorageThread::CheckStorageThread()
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{
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}
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/**
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* @brief 10分钟检查一次外接硬盘的可用空间
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*/
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void CheckStorageThread::run()
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{
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while (true) {
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int64_t available = Tool::getAvailableStorage(Constant::MountedPath);
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if (available < THRESHOLD) {
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Log::info("there are not enough storage, then remove some files...");
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// 获取文件列表
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QStringList fileList = Tool::getFileList(QString("%1/%2").arg(Constant::VideoPath).arg(Constant::MainChannel));
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if (!fileList.isEmpty()) {
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QString filename = fileList.first();
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// 判断文件是否再回放，如果在回放就阻塞等待
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mutex.lock();
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if (filename == curFilename) {
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Log::info("{} is playing, wait for play end and remove the files...", filename.toStdString());
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condition.wait(&mutex);
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Log::info("check thread end wait...");
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}
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mutex.unlock();
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// 删除文件
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QString path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(Constant::MainChannel).arg(filename);
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bool ret = Tool::removeFile(path);
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if (!ret) {
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Log::error("remove file {} failed", path.toStdString());
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}
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path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(Constant::SecondaryChannel).arg(filename);
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ret = Tool::removeFile(path);
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if (!ret) {
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Log::error("remove file {} failed", path.toStdString());
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}
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}
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}
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QThread::msleep(INTERVAL);
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}
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}
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