增加日志处理功能

panel/CMakeLists.txt

@@ -24,6 +24,7 @@ set(PROJECT_SOURCES
         src/main.cpp
         src/shell.cpp
         src/view/panel.cpp
+        src/log-utils.cpp
 )
 
 if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)

panel/src/log-utils.cpp

@@ -0,0 +1,118 @@
+#include "log-utils.h"
+#include <QFile>
+#include <QDebug>
+#include <QDir>
+#include <QDateTime>
+#include <QStandardPaths>
+
+#define LOG_FILE_COUNT         2
+#define MAX_LOG_FILE_SIZE      4194304
+#define MAX_LOG_CHECK_INTERVAL 43200000
+
+quint64 LogUtils::m_startUpTime = 0;
+int LogUtils::m_logFileId = -1;
+QString LogUtils::m_logFileName;
+QString LogUtils::m_currentLogFile;
+static QString logFilePath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation) + "/.log/ukui-panel/";
+
+void LogUtils::messageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
+{
+    checkLogFile();
+
+    QByteArray localMsg = msg.toLocal8Bit();
+    QByteArray currentTime = QTime::currentTime().toString().toLocal8Bit();
+    const char *file = context.file ? context.file : "";
+    const char *function = context.function ? context.function : "";
+
+    FILE *log_file = fopen(m_currentLogFile.toLocal8Bit().constData(), "a+");
+
+    switch (type) {
+    case QtDebugMsg:
+        if (!log_file) {
+            break;
+        }
+        fprintf(log_file, "Debug: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtInfoMsg:
+        fprintf(log_file? log_file: stdout, "Info: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtWarningMsg:
+        fprintf(log_file? log_file: stderr, "Warning: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtCriticalMsg:
+        fprintf(log_file? log_file: stderr, "Critical: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtFatalMsg:
+        fprintf(log_file? log_file: stderr, "Fatal: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    }
+
+    if (log_file) {
+        fclose(log_file);
+    }
+}
+
+void LogUtils::initLogFile(const QString &fileName)
+{
+    QDir dir;
+    if (!dir.exists(logFilePath)) {
+        if (!dir.mkpath(logFilePath)) {
+            qWarning() << "Unable to create" << logFilePath;
+            return;
+        }
+    }
+    m_logFileName = logFilePath + fileName + "-%1.log";
+
+    for (int i = 0; i < LOG_FILE_COUNT; ++i) {
+        m_currentLogFile = m_logFileName.arg(i);
+        if (QFile::exists(m_currentLogFile)) {
+            if (checkFileSize(m_currentLogFile)) {
+                m_logFileId = i;
+                break;
+            }
+        } else {
+            QFile file(m_currentLogFile);
+            file.open(QIODevice::WriteOnly);
+            file.close();
+        }
+    }
+
+
+    if (m_logFileId < 0) {
+        m_logFileId = 0;
+        m_currentLogFile = m_logFileName.arg(m_logFileId);
+        clearFile(m_currentLogFile);
+    }
+
+    qInfo() << "Current log file:" << m_currentLogFile;
+}
+
+void LogUtils::checkLogFile()
+{
+    quint64 logTime = QDateTime::currentDateTime().toMSecsSinceEpoch();
+    quint64 spacing = std::max(logTime, m_startUpTime) - std::min(logTime, m_startUpTime);
+
+    if (spacing <= MAX_LOG_CHECK_INTERVAL || checkFileSize(m_currentLogFile)) {
+        return;
+    }
+
+    m_logFileId = ((m_logFileId + 1) % LOG_FILE_COUNT);
+    m_currentLogFile = m_logFileName.arg(m_logFileId);
+    if (!checkFileSize(m_currentLogFile)) {
+        clearFile(m_currentLogFile);
+    }
+}
+
+bool LogUtils::checkFileSize(const QString &fileName)
+{
+    return QFile(fileName).size() < MAX_LOG_FILE_SIZE;
+}
+
+void LogUtils::clearFile(const QString &fileName)
+{
+    QFile file(fileName);
+    file.open(QIODevice::WriteOnly);
+    file.write("");
+    file.flush();
+    file.close();
+}

panel/src/log-utils.h

@@ -0,0 +1,21 @@
+#ifndef LOGUTILS_H
+#define LOGUTILS_H
+#include <QtMessageHandler>
+
+class LogUtils
+{
+public:
+    static void initLogFile(const QString &fileName);
+    static void messageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+
+private:
+    static void checkLogFile();
+    static bool checkFileSize(const QString &fileName);
+    static void clearFile(const QString &fileName);
+    static quint64 m_startUpTime;
+    static int m_logFileId;
+    static QString m_logFileName;
+    static QString m_currentLogFile;
+};
+
+#endif // LOGUTILS_H

panel/src/main.cpp

@@ -6,6 +6,7 @@
 #include <QDebug>
 
 #include "shell.h"
+#include "log-utils.h"
 
 void loadTranslation() {
     const QString dir = ":/i18n/";
@@ -26,6 +27,8 @@ void loadTranslation() {
 
 int main(int argc, char *argv[])
 {
+    LogUtils::initLogFile("ukui-panel");
+    qInstallMessageHandler(LogUtils::messageOutput);
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 #endif