Add logger.h and locker.h
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yuanyuanxiang
234
common/logger.h
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234
common/logger.h
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#pragma once
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#pragma warning(disable: 4996)
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#ifdef _WIN32
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#ifdef _WINDOWS
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#include <afxwin.h>
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#else
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#include <windows.h>
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#endif
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#include <iostream>
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#include <fstream>
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#include <mutex>
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#include <queue>
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#include <string>
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#include <thread>
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#include <condition_variable>
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#include <atomic>
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#include <chrono>
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#include <sstream>
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#include <cstdarg>
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#include "skCrypter.h"
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#include <iomanip>
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inline bool stringToBool(const std::string& str) {
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std::string lower = str;
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std::transform(lower.begin(), lower.end(), lower.begin(), ::tolower);
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return (lower == "true" || lower == "1");
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}
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class Logger {
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public:
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enum LogLevel {
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InfoLevel, WarningLevel, ErrorLevel
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};
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// <20><><EFBFBD><EFBFBD>ģʽ
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static Logger& getInstance() {
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static Logger instance;
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if (instance.pid.empty()) {
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char buf[16] = {};
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sprintf_s(buf, "%d", GetCurrentProcessId());
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instance.pid = buf;
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instance.InitLogFile("C:\\Windows\\Temp", instance.pid);
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#ifdef _WINDOWS
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instance.enable = true; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־Ĭ<D6BE>ϴ<EFBFBD><CFB4><EFBFBD>
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#else
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char var[32] = {};
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const char* name = skCrypt("ENABLE_LOG");
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DWORD size = GetEnvironmentVariableA(name, var, sizeof(var));
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instance.enable = stringToBool(var);
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instance.log("logger.h", __LINE__, "GetEnvironmentVariable: %s=%s\n", name, var);
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#endif
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}
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return instance;
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}
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// <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
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Logger(const Logger&) = delete;
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Logger& operator=(const Logger&) = delete;
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
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void setLogFile(const std::string& filename) {
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std::lock_guard<std::mutex> lock(fileMutex);
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logFileName = filename;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
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void usingLog(bool b = true) {
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enable = b;
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}
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// д<><D0B4>־<EFBFBD><D6BE>֧<EFBFBD><D6A7> printf <20><>ʽ<EFBFBD><CABD>
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void log(const char* file, int line, const char* format, ...) {
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va_list args;
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va_start(args, format);
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std::string message = formatString(format, args);
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va_end(args);
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auto timestamp = getCurrentTimestamp();
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std::string id = pid.empty() ? "" : "[" + pid + "]";
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std::string logEntry = id + "[" + timestamp + "] [" + file + ":" + std::to_string(line) + "] " + message;
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if (enable)
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{
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if (running) {
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std::lock_guard<std::mutex> lock(queueMutex);
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logQueue.push(logEntry);
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} else {
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writeToFile(logEntry);
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}
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}
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#ifndef _WINDOWS
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#ifdef _DEBUG
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printf(logEntry.c_str());
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#endif
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#endif
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cv.notify_one(); // ֪ͨд<D6AA>߳<EFBFBD>
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}
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// ֹͣ<CDA3><D6B9>־ϵͳ
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void stop() {
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if (!running) return;
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{
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std::lock_guard<std::mutex> lock(queueMutex);
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running = false; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
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}
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cv.notify_one();
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if (workerThread.joinable()) {
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workerThread.join();
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}
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for (int i = 0; threadRun && i++ < 1000; Sleep(1));
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}
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private:
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// <20><>־<EFBFBD><D6BE><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD>
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void InitLogFile(const std::string & dir, const std::string& pid) {
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time_t currentTime = time(nullptr);
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tm* localTime = localtime(¤tTime);
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char timeString[32];
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strftime(timeString, sizeof(timeString), "%Y-%m", localTime);
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char fileName[100];
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#ifdef _WINDOWS
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sprintf_s(fileName, "\\YAMA_%s_%s.txt", timeString, pid.c_str());
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#else
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sprintf_s(fileName, "\\log_%s_%s.txt", timeString, pid.c_str());
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#endif
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logFileName = dir + fileName;
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}
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std::string logFileName; // <20><>־<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
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bool enable; // <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
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bool threadRun; // <20><>־<EFBFBD>߳<EFBFBD>״̬
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std::queue<std::string> logQueue; // <20><>־<EFBFBD><D6BE><EFBFBD><EFBFBD>
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std::mutex queueMutex; // <20><><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>
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std::condition_variable cv; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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std::atomic<bool> running; // <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
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std::thread workerThread; // <20><>̨<EFBFBD>߳<EFBFBD>
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std::mutex fileMutex; // <20>ļ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
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std::string pid; // <20><><EFBFBD><EFBFBD>ID
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Logger() : enable(false), threadRun(false), running(true), workerThread(&Logger::processLogs, this) {}
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~Logger() {
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stop();
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}
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// <20><>̨<EFBFBD>̴߳<DFB3><CCB4><EFBFBD><EFBFBD><EFBFBD>־
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void processLogs() {
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threadRun = true;
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while (running) {
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std::unique_lock<std::mutex> lock(queueMutex);
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cv.wait(lock, [this]() {
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return !running || !logQueue.empty();
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});
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while (running && !logQueue.empty()) {
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std::string logEntry = logQueue.front();
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logQueue.pop();
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lock.unlock();
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// д<><D0B4><EFBFBD><EFBFBD>־<EFBFBD>ļ<EFBFBD>
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writeToFile(logEntry);
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lock.lock();
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}
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lock.unlock();
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}
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threadRun = false;
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}
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// д<><D0B4><EFBFBD>ļ<EFBFBD>
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void writeToFile(const std::string& logEntry) {
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std::lock_guard<std::mutex> lock(fileMutex);
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std::ofstream logFile(logFileName, std::ios::app);
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if (logFile.is_open()) {
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logFile << logEntry << std::endl;
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}
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}
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// <20><>ȡ<EFBFBD><C8A1>ǰʱ<C7B0><CAB1><EFBFBD><EFBFBD>
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std::string getCurrentTimestamp() {
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auto now = std::chrono::system_clock::now();
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auto in_time_t = std::chrono::system_clock::to_time_t(now);
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std::tm tm;
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#ifdef _WIN32
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localtime_s(&tm, &in_time_t); // Windows <20><>ȫ<EFBFBD>汾
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#else
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localtime_r(&in_time_t, &tm); // POSIX <20><>ȫ<EFBFBD>汾
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#endif
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std::stringstream ss;
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ss << std::put_time(&tm, "%Y-%m-%d %H:%M:%S");
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return ss.str();
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}
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// <20><><EFBFBD><EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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std::string logLevelToString(LogLevel level) {
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switch (level) {
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case InfoLevel: return "INFO";
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case WarningLevel: return "WARNING";
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case ErrorLevel: return "ERROR";
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default: return "UNKNOWN";
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}
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}
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// <20><>ʽ<EFBFBD><CABD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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std::string formatString(const char* format, va_list args) {
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char buffer[1024];
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vsnprintf(buffer, sizeof(buffer), format, args);
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return std::string(buffer);
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}
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};
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inline const char* getFileName(const char* path) {
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const char* fileName = strrchr(path, '\\');
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if (!fileName) {
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fileName = strrchr(path, '/');
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}
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return fileName ? fileName + 1 : path;
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}
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#ifdef _WINDOWS
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#ifdef _DEBUG
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#define Mprintf(format, ...) TRACE(format, __VA_ARGS__)
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#else
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#define Mprintf(format, ...) Logger::getInstance().log(getFileName(__FILE__), __LINE__, format, __VA_ARGS__)
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#endif
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#else
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#define Mprintf(format, ...) Logger::getInstance().log(getFileName(skCrypt(__FILE__)), __LINE__, skCrypt(format), __VA_ARGS__)
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#endif
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#endif // _WIN32
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