Fixed crash in logger.

Author: shajen

sources/logger.cpp

@@ -7,26 +7,19 @@
 
 void Logger::Logger::configure(
     const spdlog::level::level_enum logLevelConsole, const spdlog::level::level_enum logLevelFile, const std::string& logFile, int fileSize, int filesCount, bool isColorLogEnabled) {
-  spdlog::drop_all();
-  _logger.reset();
-
-  auto consoleLogger = std::make_shared<spdlog::sinks::stdout_color_sink_mt>();
-  consoleLogger->set_level(logLevelConsole);
-
-  if (logLevelFile == spdlog::level::off || logFile.empty()) {
-    std::initializer_list<spdlog::sink_ptr> loggers{consoleLogger};
-    Logger::_logger = std::make_shared<spdlog::logger>("auto_sdr", loggers);
-  } else {
-    auto fileLogger = std::make_shared<spdlog::sinks::rotating_file_sink_mt>(logFile, fileSize, filesCount);
-    fileLogger->set_level(logLevelFile);
-
-    std::initializer_list<spdlog::sink_ptr> loggers{consoleLogger, fileLogger};
-    Logger::_logger = std::make_shared<spdlog::logger>("auto_sdr", loggers);
+  if (!_logger) {
+    spdlog::drop_all();
+    _consoleLogger = std::make_shared<spdlog::sinks::stdout_color_sink_mt>();
+    _fileLogger = std::make_shared<spdlog::sinks::rotating_file_sink_mt>(logFile, fileSize, filesCount);
+    std::initializer_list<spdlog::sink_ptr> loggers{_consoleLogger, _fileLogger};
+    _logger = std::make_shared<spdlog::logger>("auto_sdr", loggers);
+    spdlog::register_logger(_logger);
   }
 
+  _consoleLogger->set_level(logLevelConsole);
+  _fileLogger->set_level(logLevelFile);
   _logger->set_level(std::min(logLevelConsole, logLevelFile));
   _logger->set_pattern("[%Y-%m-%d %H:%M:%S.%f] [%-7l] %v");
-  spdlog::register_logger(_logger);
   spdlog::flush_every(std::chrono::seconds(10));
   _isColorLogEnabled = isColorLogEnabled;
 }

sources/logger.h

@@ -64,6 +64,8 @@ class Logger {
   Logger() = delete;
   ~Logger() = delete;
 
+  inline static std::shared_ptr<spdlog::sinks::sink> _consoleLogger = nullptr;
+  inline static std::shared_ptr<spdlog::sinks::sink> _fileLogger = nullptr;
   inline static std::shared_ptr<spdlog::logger> _logger = nullptr;
   inline static bool _isColorLogEnabled = true;
 };