QTradeProgram/Sqbase/qlogmanager.cpp

////#include "qlogmanager.h"
////#include <QDateTime>
////#include <QFile>
////#include <QTextStream>
////#include <QFileInfo>
////
////QLogManager* QLogManager::instance = nullptr;
////
////QLogManager::QLogManager(QObject* parent) : QObject(parent) {
////    // 创建日志目录
////    logDirectory = QDir::currentPath() + "/logs/";
////    QDir dir;
////    if (!dir.exists(logDirectory)) {
////        dir.mkpath(logDirectory);
////    }
////
////    // 清理旧日志
////    cleanOldLogs();
////}
////
////QLogManager* QLogManager::getInstance() {
////    static QMutex mutex;
////    QMutexLocker locker(&mutex);
////    if (!instance) {
////        instance = new QLogManager;
////    }
////    return instance;
////}
////
////void QLogManager::log(LogLevel level, const QString& message, const QString& module) {
////    QMutexLocker locker(&mutex);
////    QString timestamp = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz");
////    QString levelStr;
////
////    switch (level) {
////    case SQ_DEBUG:    levelStr = "DEBUG";    break;
////    case SQ_INFO:     levelStr = "INFO";     break;
////    case SQ_WARNING:  levelStr = "WARNING";  break;
////    case SQ_ERROR:    levelStr = "ERROR";    break;
////    case SQ_FATAL:    levelStr = "FATAL";    break;
////    }
////
////    QString logLine = QString("[%1][%2][%3] %4")
////                          .arg(timestamp, levelStr, module, message);
////
////    // 输出到控制台
////    emit newLog(level, logLine);
////
////    // 写入文件
////    writeToFile(level, logLine);
////}
////
////QString QLogManager::getLogFileName(LogLevel level) {
////    QString levelStr;
////    switch (level) {
////    case SQ_DEBUG:    levelStr = "debug";    break;
////    case SQ_INFO:     levelStr = "info";     break;
////    case SQ_WARNING:  levelStr = "warning";  break;
////    case SQ_ERROR:    levelStr = "error";    break;
////    case SQ_FATAL:    levelStr = "fatal";    break;
////    default:       levelStr = "system";   break;
////    }
////
////    return QString("%1_%2.log")
////        .arg(levelStr)
////        .arg(QDateTime::currentDateTime().toString("yyyyMMdd"));
////}
////
////void QLogManager::writeToFile(LogLevel level, const QString& logLine) {
////    // 为不同级别的日志创建不同文件
////    QString logFileName = logDirectory + getLogFileName(level);
////    QFile file(logFileName);
////
////    if (file.open(QIODevice::WriteOnly | QIODevice::Append)) {
////        QTextStream stream(&file);
////        stream << logLine << "\n";
////        file.close();
////    } else {
////        // 如果文件打开失败，发出错误日志
////        emit newLog(SQ_ERROR, QString("[LogSystem] Failed to open log file: %1").arg(logFileName));
////    }
////}
////
////void QLogManager::cleanOldLogs() {
////    QDir dir(logDirectory);
////    QStringList logFiles = dir.entryList(QStringList() << "*.log", QDir::Files);
////
////    QDateTime now = QDateTime::currentDateTime();
////    for (const QString& fileName : logFiles) {
////        QFileInfo fileInfo(dir.filePath(fileName));
////        if (fileInfo.lastModified().daysTo(now) > maxLogDays) {
////            QFile::remove(fileInfo.absoluteFilePath());
////        }
////    }
////}
//#include "qlogmanager.h"
//#include <QDateTime>
//#include <QFile>
//#include <QTextStream>
//#include <QFileInfo>
//#include <QThread>
//#include <QSemaphore>
//
//QLogManager* QLogManager::instance = nullptr;
//const int QLogManager::maxLogDays = 7;
//const qint64 QLogManager::maxFileSize = 10 * 1024 * 1024; // 10MB
//
//QLogManager::QLogManager(QObject* parent) : QObject(parent), minLevel(SQ_INFO), running(true) {
//	// 创建日志目录 - 修正exists检查
//	logDirectory = QDir::currentPath() + "/logs/";
//	QDir dir(logDirectory);  // 使用QString构造QDir
//	if (!dir.exists()) {     // 无参数调用exists()
//		if (!dir.mkpath(".")) {
//			QString msg = "Failed to create log directory:" + logDirectory.path();
//			emit newLog(SQ_WARNING, msg);
//		}
//	}
//
//	// 清理旧日志
//	cleanOldLogs();
//
//	// 启动工作线程
//	workerThread = new QThread();
//	QObject::connect(workerThread, &QThread::started, [this]() {
//		this->processLogs();
//	});
//	workerThread->start();
//	//workerThread = QThread::create([this] { processLogs(); });
//	//workerThread->start();
//}
//
//QLogManager::~QLogManager() {
//	if (workerThread) {
//		workerThread->quit();
//		workerThread->wait();
//		delete workerThread;
//	}
//
//	running = false;
//	queueSemaphore.release(); // 唤醒线程以退出
//
//	// 关闭所有打开的文件
//	for (auto& file : openFiles) {
//		if (!file.isNull()) {
//			file->close();
//		}
//	}
//}
//
//QLogManager* QLogManager::getInstance() {
//	static QMutex mutex;
//	QMutexLocker locker(&mutex);
//	if (!instance) {
//		instance = new QLogManager;
//	}
//	return instance;
//}
//
//void QLogManager::setLogLevel(LogLevel level) {
//	QMutexLocker locker(&mutex);
//	minLevel = level;
//}
//
//void QLogManager::log(LogLevel level, const QString& message, const QString& module) {
//	if (level < minLevel) {
//		return;
//	}
//
//	// 优化时间戳获取
//	static thread_local QString lastTimeStr;
//	static thread_local qint64 lastTimeMs = 0;
//
//	qint64 now = QDateTime::currentMSecsSinceEpoch();
//	if (now - lastTimeMs > 100) { // 每100ms更新一次
//		lastTimeStr = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz");
//		lastTimeMs = now;
//	}
//
//	QString levelStr;
//	switch (level) {
//	case SQ_DEBUG:    levelStr = "DEBUG";    break;
//	case SQ_INFO:     levelStr = "INFO";     break;
//	case SQ_WARNING:  levelStr = "WARNING";  break;
//	case SQ_ERROR:    levelStr = "ERROR";    break;
//	case SQ_FATAL:    levelStr = "FATAL";    break;
//	}
//
//	QString logLine = QString("[%1][%2][%3] %4")
//		.arg(lastTimeStr, levelStr, module, message);
//
//	// 控制台输出不需要加锁
//	emit newLog(level, logLine);
//
//	// 快速入队
//	{
//		QMutexLocker locker(&mutex);
//		logQueue.enqueue(qMakePair(level, logLine));
//	}
//	queueSemaphore.release(); // 通知工作线程
//}
//
//void QLogManager::processLogs() {
//	while (running) {
//		queueSemaphore.acquire(); // 等待新日志
//
//		QPair<LogLevel, QString> logEntry;
//		{
//			QMutexLocker locker(&mutex);
//			if (!logQueue.isEmpty()) {
//				logEntry = logQueue.dequeue();
//			}
//		}
//
//		if (!logEntry.second.isEmpty()) {
//			writeToFile(logEntry.first, logEntry.second);
//		}
//	}
//
//	// 退出前处理剩余日志
//	while (true) {
//		QPair<LogLevel, QString> logEntry;
//		{
//			QMutexLocker locker(&mutex);
//			if (logQueue.isEmpty()) break;
//			logEntry = logQueue.dequeue();
//		}
//		writeToFile(logEntry.first, logEntry.second);
//	}
//}
//
//QString QLogManager::getLogFileName(LogLevel level) {
//	QString levelStr;
//	switch (level) {
//	case SQ_DEBUG:    levelStr = "debug";    break;
//	case SQ_INFO:     levelStr = "info";     break;
//	case SQ_WARNING:  levelStr = "warning";  break;
//	case SQ_ERROR:    levelStr = "error";    break;
//	case SQ_FATAL:    levelStr = "fatal";    break;
//	default:          levelStr = "system";   break;
//	}
//
//	return QString("%1_%2.log")
//		.arg(levelStr)
//		.arg(QDateTime::currentDateTime().toString("yyyyMMdd"));
//}
//
////void QLogManager::writeToFile(LogLevel level, const QString& logLine) {
////	if (!openFiles.contains(level)) {
////		QString fileName = logDirectory.path() + getLogFileName(level);
////		QSharedPointer<QFile> file(new QFile(fileName));
////		if (file->open(QIODevice::WriteOnly | QIODevice::Append)) {
////			openFiles[level] = file;
////		}
////		else {
////			emit newLog(SQ_ERROR, QString("[LogSystem] Failed to open log file: %1").arg(fileName));
////			return;
////		}
////	}
////
////	if (!openFiles[level].isNull()) {
////		QTextStream stream(openFiles[level].data());
////		stream << logLine << "\n";
////
////		// 检查文件大小，超过限制则滚动
////		if (openFiles[level]->size() > maxFileSize) {
////			openFiles[level]->close();
////			openFiles.remove(level);
////
////			// 添加时间戳到旧文件名
////			QString oldName = logDirectory + getLogFileName(level);
////			QString newName = oldName + "." + QDateTime::currentDateTime().toString("hhmmsszzz");
////			QFile::rename(oldName, newName);
////		}
////	}
////}
//
//void QLogManager::writeToFile(LogLevel level, const QString& logLine)
//{
//	// 检查并维护打开的文件
//	if (!openFiles.contains(level)) {
//		QString fileName = logDirectory.path()+"/" + getLogFileName(level);
//		QSharedPointer<QFile> file(new QFile(fileName));
//		if (file->open(QIODevice::WriteOnly | QIODevice::Append)) {
//			openFiles[level] = file;
//		}
//		else {
//			emit newLog(SQ_ERROR, QString("[LogSystem] Failed to open log file: %1").arg(fileName));
//			return;
//		}
//	}
//
//	// 修正：避免创建临时QTextStream
//	if (!openFiles[level].isNull()) {
//		QTextStream stream(openFiles[level].data());
//		stream << logLine << "\n";
//		stream.flush(); // 确保立即写入
//
//						// 检查文件大小
//		if (openFiles[level]->size() > maxFileSize) {
//			rotateLogFile(level);
//		}
//	}
//}
//
//void QLogManager::rotateLogFile(LogLevel level)
//{
//	if (!openFiles.contains(level)) return;
//
//	openFiles[level]->close();
//
//	QString oldName = logDirectory.path() + getLogFileName(level);
//	QString newName = oldName + "." + QDateTime::currentDateTime().toString("hhmmsszzz");
//
//	QFile::rename(oldName, newName);
//	openFiles.remove(level);
//}
//
//void QLogManager::cleanOldLogs() {
//	QDir dir(logDirectory);
//	QStringList logFiles = dir.entryList(QStringList() << "*.log" << "*.log.*", QDir::Files);
//
//	QDateTime now = QDateTime::currentDateTime();
//	for (const QString& fileName : logFiles) {
//		QFileInfo fileInfo(dir.filePath(fileName));
//		if (fileInfo.lastModified().daysTo(now) > maxLogDays) {
//			QFile::remove(fileInfo.absoluteFilePath());
//		}
//	}
//}
//
//void QLogManager::flush() {
//	QMutexLocker locker(&mutex);
//	for (auto& file : openFiles) {
//		if (!file.isNull()) {
//			file->flush();
//		}
//	}
//}
// qlogmanager.cpp
// qlogmanager.h
#include "qlogmanager.h"
#include <QTextStream>
#include <QCoreApplication>

QBasicAtomicPointer<QLogManager> QLogManager::s_instance = Q_BASIC_ATOMIC_INITIALIZER(0);
QMutex QLogManager::s_mutex;

QLogManager::QLogManager(QObject* parent)
	: QObject(parent),
	m_minLevel(SQ_INFO),
	m_workerThread(nullptr),
	m_running(true)
{
	// 创建日志目录
	m_logDirectory = QDir(QCoreApplication::applicationDirPath() + "/logs/");
	if (!m_logDirectory.exists()) {
		if (!m_logDirectory.mkpath(".")) {
			emit newLog(SQ_ERROR, QString("Failed to create log directory: %1").arg(m_logDirectory.path()));
		}
	}

	// 清理旧日志
	cleanOldLogs();

	// 启动工作线程
	m_workerThread = new QThread();
	QObject::connect(m_workerThread, &QThread::started, [this]() {
		this->processLogs();
	});
	m_workerThread->start();
}

QLogManager::~QLogManager()
{
	m_running = false;
	m_queueSemaphore.release(); // 唤醒线程以退出

	if (m_workerThread) {
		m_workerThread->quit();
		if (!m_workerThread->wait(3000)) { // 等待3秒
			m_workerThread->terminate();
			m_workerThread->wait();
		}
		delete m_workerThread;
	}

	// 处理剩余日志
	LogEntry entry;
	while (m_logQueue.dequeue(entry)) {
		writeToFile(entry.level, entry.message);
	}

	// 关闭所有打开的文件
	for (auto& file : m_openFiles) {
		if (!file.isNull()) {
			file->close();
		}
	}
}

QLogManager* QLogManager::getInstance()
{
	// 双重检查锁定
	if (!s_instance.load()) {
		QMutexLocker locker(&s_mutex);
		if (!s_instance.load()) {
			QLogManager* instance = new QLogManager();
			s_instance.store(instance);
			qAddPostRoutine(QLogManager::destroyInstance);
		}
	}
	return s_instance.load();
}

void QLogManager::destroyInstance()
{
	QMutexLocker locker(&s_mutex);
	QLogManager* instance = s_instance.load();
	if (instance) {
		delete instance;
		s_instance.store(nullptr);
	}
}

void QLogManager::setLogLevel(LogLevel level)
{
	QMutexLocker locker(&s_mutex);
	m_minLevel = level;
}

void QLogManager::log(LogLevel level, const QString& message, const QString& module)
{
	if (level < m_minLevel) {
		return;
	}

	// 优化时间戳获取
	static thread_local QString lastTimeStr;
	static thread_local qint64 lastTimeMs = 0;

	qint64 now = QDateTime::currentMSecsSinceEpoch();
	if (now - lastTimeMs > TIMESTAMP_CACHE_DURATION_MS) {
		lastTimeStr = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz");
		lastTimeMs = now;
	}

	QString levelStr;
	switch (level) {
	case SQ_DEBUG:    levelStr = "DEBUG";    break;
	case SQ_INFO:     levelStr = "INFO";     break;
	case SQ_WARNING:  levelStr = "WARNING";  break;
	case SQ_ERROR:    levelStr = "ERROR";    break;
	case SQ_FATAL:    levelStr = "FATAL";    break;
	}

	QString logLine = QString("[%1][%2][%3] %4")
		.arg(lastTimeStr, levelStr, module, message);

	// 控制台输出
	emit newLog(level, logLine);

	// 入队
	LogEntry entry;
	entry.level = level;
	entry.message = logLine;
	entry.timestamp = now;

	m_logQueue.enqueue(entry);
	m_queueSemaphore.release(); // 通知工作线程
}

void QLogManager::processLogs()
{
	while (m_running) {
		m_queueSemaphore.acquire();

		LogEntry entry;
		while (m_logQueue.dequeue(entry)) {
			writeToFile(entry.level, entry.message);

			// 批量处理时检查是否还需要继续运行
			if (!m_running) {
				break;
			}
		}
	}
}

QString QLogManager::getLogFileName(LogLevel level)
{
	QString levelStr;
	switch (level) {
	case SQ_DEBUG:    levelStr = "debug";    break;
	case SQ_INFO:     levelStr = "info";     break;
	case SQ_WARNING:  levelStr = "warning";  break;
	case SQ_ERROR:    levelStr = "error";    break;
	case SQ_FATAL:    levelStr = "fatal";    break;
	default:          levelStr = "system";   break;
	}

	return QString("%1_%2.log")
		.arg(levelStr)
		.arg(QDateTime::currentDateTime().toString("yyyyMMdd"));
}

void QLogManager::writeToFile(LogLevel level, const QString& logLine)
{
	try {
		// 检查并维护打开的文件
		if (!m_openFiles.contains(level)) {
			QString fileName = m_logDirectory.filePath(getLogFileName(level));
			QSharedPointer<QFile> file(new QFile(fileName));

			if (!file->open(QIODevice::WriteOnly | QIODevice::Append)) {
				emit newLog(SQ_ERROR, QString("[LogSystem] Failed to open log file: %1").arg(fileName));
				return;
			}

			m_openFiles[level] = file;
		}

		// 写入文件
		if (!m_openFiles[level].isNull()) {
			QTextStream stream(m_openFiles[level].data());
			stream << logLine << "\n";
			stream.flush();

			// 检查文件大小
			if (m_openFiles[level]->size() > MAX_FILE_SIZE) {
				rotateLogFile(level);
			}
		}
	}
	catch (...) {
		emit newLog(SQ_ERROR, "[LogSystem] Exception occurred while writing log");
	}
}

void QLogManager::rotateLogFile(LogLevel level)
{
	if (!m_openFiles.contains(level)) {
		return;
	}

	try {
		m_openFiles[level]->close();

		QString oldName = m_logDirectory.filePath(getLogFileName(level));
		QString newName = oldName + "." + QDateTime::currentDateTime().toString("hhmmsszzz");

		if (!QFile::rename(oldName, newName)) {
			emit newLog(SQ_ERROR, QString("[LogSystem] Failed to rotate log file from %1 to %2")
				.arg(oldName, newName));
		}

		m_openFiles.remove(level);
	}
	catch (...) {
		emit newLog(SQ_ERROR, "[LogSystem] Exception occurred while rotating log file");
	}
}

void QLogManager::cleanOldLogs()
{
	try {
		QStringList logFiles = m_logDirectory.entryList(QStringList() << "*.log" << "*.log.*", QDir::Files);

		QDateTime now = QDateTime::currentDateTime();
		for (const QString& fileName : logFiles) {
			QFileInfo fileInfo(m_logDirectory.filePath(fileName));
			if (fileInfo.lastModified().daysTo(now) > MAX_LOG_DAYS) {
				if (!QFile::remove(fileInfo.absoluteFilePath())) {
					emit newLog(SQ_WARNING, QString("Failed to remove old log file: %1")
						.arg(fileInfo.absoluteFilePath()));
				}
			}
		}
	}
	catch (...) {
		emit newLog(SQ_ERROR, "[LogSystem] Exception occurred while cleaning old logs");
	}
}

void QLogManager::flush()
{
	QMutexLocker locker(&s_mutex);
	for (auto& file : m_openFiles) {
		if (!file.isNull()) {
			file->flush();
		}
	}
}