이대로 제출해버릴까..

include/utils/ConfigManager.h

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+#pragma once
+#include <json/json.h>
+
+#include <fstream>
+
+namespace utils {
+
+struct Config;
+
+class ConfigManager {
+ public:
+  static Config load();
+  static void save(Config&);
+};
+
+struct Config {
+  ~Config() { ConfigManager::save(*this); }
+  Json::Value configJsonRoot;
+  std::uint32_t ipVersion = 0;
+  gsl::czstring IP = "";
+  std::uint32_t Port = 0;
+  spdlog::level::level_enum logLevel = spdlog::level::off;
+  gsl::czstring logFileName = "";
+  std::uint32_t logfileSize = 0;
+  std::uint32_t logfileCount = 0;
+  std::uint64_t playerid = 0;
+};
+
+}  // namespace utils