fix: Fix log files take up a lot of space

Previously, the anything would keep log files generated in the last 30
days. If a large number of logs were generated in a short period of
time, it would take up a lot of space. Let's modify it to only keep the
10 most recent log files.

Log: Fix log files take up a lot of space.

debian/changelog

@@ -1,3 +1,12 @@
+deepin-anything (6.2.2) unstable; urgency=medium
+
+  * New version 6.2.2.
+  * Fix log files take up a lot of space.
+  * Add support for s360x, ppc64le and riscv.
+  * Optimize recoginizing ARM.
+
+ -- wangrong <[email protected]>  Tue, 07 Jan 2025 20:41:36 +0800
+
 deepin-anything (6.2.1) unstable; urgency=medium
 
   * adapt kernel module for LOONGARCH architecture.

src/server/backend/lib/lftmanager.cpp

@@ -777,7 +777,7 @@ QStringList LFTManager::insertFileToLFTBuf(const QByteArray &file)
             /* 由于事件合并的原因, 会经常导致报告此类错误. 由于它不属于程序问题, 特此降低日志等级 */
             cDebug() << "Failed(Path Exists):" << mount_path;
         } else {
-            cWarning() << "Failed:" << mount_path << ", result:" << r;
+            cDebug() << "Failed:" << mount_path << ", result:" << r;
         }
     }
 

src/server/backend/lib/logsaver.cpp

@@ -35,7 +35,7 @@ class LogSaverPrivate
     static QMutex logMutex;     // 同步使用的 mutex
 
     int logLimitSize = 10 * 1024 * 1024; // 10M
-    int logExpiredDay = -30; // 30天过期
+    qsizetype logMaxFiles = 10; // 最多保存 10 个最新的备份日志文件
 };
 
 QMutex LogSaverPrivate::logMutex;
@@ -48,12 +48,12 @@ LogSaverPrivate::LogSaverPrivate(LogSaver *qq)
     QString logPath = logDir.absoluteFilePath("app.log"); // 获取日志的路径
     logFileCreatedDate = QFileInfo(logPath).lastModified().date(); // 若日志文件不存在，返回nullptr
 
-    // 10分钟检查一次日志文件创建时间
-    renameLogFileTimer.setInterval(1000 * 60 * 10);
+    // 3分钟检查一次日志文件创建时间
+    renameLogFileTimer.setInterval(1000 * 60 * 3);
     QObject::connect(&renameLogFileTimer, &QTimer::timeout, [this] {
         QMutexLocker locker(&LogSaverPrivate::logMutex);
         backupLog();
-        autoDeleteLog(); // 自动删除7天前的日志
+        autoDeleteLog();
     });
 }
 
@@ -129,20 +129,15 @@ void LogSaverPrivate::autoDeleteLog()
     if (logDir.isEmpty()) {
         return;
     }
-    QDateTime now = QDateTime::currentDateTime();
-    QDateTime dateTime1 = now.addDays(logExpiredDay);
-
-    QFileInfoList fileList = logDir.entryInfoList();
-    for (QFileInfo f: fileList) {
-        // "."和".."跳过
-        if (f.baseName() == "")
-            continue;
-
-        // 从日志文件后缀获取创建时间（例如 app.log.2023-04-14-00-04-12 > 2023-04-14-00-04-12）
-        QDateTime dateTime2 = QDateTime::fromString(f.suffix(), "yyyy-MM-dd-hh-mm-ss");
-        if (dateTime2.isValid() && dateTime2 < dateTime1) {
-            logDir.remove(f.absoluteFilePath());
-        }
+
+    QFileInfoList fileList = logDir.entryInfoList(QStringList() << "app.log.*", QDir::Files, QDir::Time|QDir::Reversed);
+    int delCount = fileList.count() - logMaxFiles;
+    if (delCount <= 0) {
+        return;
+    }
+
+    for (auto it = fileList.begin(); it != fileList.end() && --delCount >= 0; ++it) {
+        logDir.remove(it->absoluteFilePath());
     }
 }