Line data    Source code

       1              : /********************************************************************************
       2              :  * Copyright (c) 2026 BMW AG
       3              :  *
       4              :  * This program and the accompanying materials are made available under the
       5              :  * terms of the Apache License Version 2.0 which is available at
       6              :  * https://www.apache.org/licenses/LICENSE-2.0
       7              :  *
       8              :  * SPDX-License-Identifier: Apache-2.0
       9              :  ********************************************************************************/
      10              : #pragma once
      11              : 
      12              : #include <cstdint>
      13              : #include <ctime>
      14              : #include <iomanip>
      15              : #include <iostream>
      16              : #include <mutex>
      17              : #include <sstream>
      18              : 
      19              : namespace simulation
      20              : {
      21              : 
      22              : /**
      23              :  * Centralized thread-safe simulation logger class
      24              :  */
      25              : class Logger
      26              : {
      27              : public:
      28              :     /**
      29              :      * Log function with cluster ID
      30              :      * Accepts multiple arguments and builds the message internally
      31              :      * @param clusterId The cluster ID
      32              :      * @param args Arguments to be concatenated into the log message
      33              :      */
      34              :     template<typename... Args>
      35           86 :     static void log(uint8_t clusterId, Args&&... args)
      36              :     {
      37           86 :         std::ostringstream oss;
      38           86 :         oss << getTimestamp() << getClusterId(clusterId);
      39           86 :         ((oss << args), ...); // C++17 fold expression
      40           86 :         writeLog(oss.str());
      41           86 :     }
      42              : 
      43              :     /**
      44              :      * Statistics logging function with cluster ID
      45              :      * Accepts multiple arguments and builds the message internally
      46              :      * @param clusterId The cluster ID
      47              :      * @param args Arguments to be concatenated into the log message
      48              :      */
      49              :     template<typename... Args>
      50              :     static void logStats(uint8_t clusterId, Args&&... args)
      51              :     {
      52              :         std::ostringstream oss;
      53              :         oss << getTimestamp() << getClusterId(clusterId);
      54              :         ((oss << args), ...); // C++17 fold expression
      55              :         writeLog(oss.str());
      56              :     }
      57              : 
      58              :     /**
      59              :      * General message logging
      60              :      * Accepts multiple arguments and builds the message internally
      61              :      * @param args Arguments to be concatenated into the log message
      62              :      */
      63              :     template<typename... Args>
      64           13 :     static void log(Args&&... args)
      65              :     {
      66           13 :         std::ostringstream oss;
      67           13 :         ((oss << args), ...); // C++17 fold expression
      68           13 :         writeLog(oss.str());
      69           13 :     }
      70              : 
      71              : private:
      72              :     static std::mutex logMutex_;
      73              :     static void writeLog(std::string const& logLine);
      74              :     static std::string getTimestamp();
      75              :     static std::string getClusterId(uint8_t const id);
      76              : };
      77              : 
      78              : } // namespace simulation