tdcan/src/components/config_template/config_template.hpp

//
// Created by zhaohe on 19-5-30.
//

#pragma once
#include <exception>
#include <fstream>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <mutex>
#include <set>
#include <sstream>
#include <string>
#include <vector>
// #include "zwtimecpp/core/core.hpp"
// #include "zwtimecpp/core/exception/base_exception.hpp"
// #include "zwtimecpp/core/exception/base_exception.hpp"
// #include "zwtimecpp/core/exception/null_expection.hpp"
// #include "zwtimecpp/core/logger/logger_factory.hpp"
// #include "zwtimecpp/core/utils/data.hpp"
#include "components/fileutils.hpp"
#include "components/marco/data.hpp"
#include "nlohmann/json.hpp"
#include "spdlogfactory/logger_factory.hpp"
#include "components/zexception/zexception.hpp"

// #include "zwtimecpp/core/utils/zmath.hpp"

// ConfigurationService的实现
/*----------------------------------------------------------------*/
#define ConfigServiceENABLE_GET_AND_SET2(type, propertyName, defaultValue) \
 private:                                                                  \
  type propertyName = defaultValue;                                        \
                                                                           \
 public:                                                                   \
  virtual const type &get_##propertyName() const {                         \
    lock_guard<recursive_mutex> lock(lock_);                               \
    return propertyName;                                                   \
  }                                                                        \
  virtual void set_##propertyName(const type &propertyName) {              \
    lock_guard<recursive_mutex> lock(lock_);                               \
    this->propertyName = propertyName;                                     \
    flushConfigToFile();                                                   \
  }

#define configTemplateGET_CONFIG2(type, propertyName, defaultValue) \
  try {                                                             \
    j3.at(#propertyName).get_to(propertyName);                      \
  } catch (const std::exception &e) {                               \
    onParseConfigFail(#propertyName, e);                            \
  }

#define configTemplateSAVE_CONFIG2(type, propertyName, defaultValue) j[#propertyName] = propertyName;

#define configTemplateDEFILE_CONFIG_SERVICE2(name, configList, configfilePath, onParseFiale) \
  namespace iflytop {                                                                        \
  using namespace std;                                                                       \
  using namespace core;                                                                      \
  using namespace nlohmann;                                                                  \
  class name {                                                                               \
    ENABLE_LOGGER(name)                                                                      \
    string configFile;                                                                       \
                                                                                             \
    mutable recursive_mutex lock_;                                                           \
    bool                    forTest = false;                                                 \
                                                                                             \
   public:                                                                                   \
    name() {}                                                                                \
                                                                                             \
   public:                                                                                   \
    void initialize(string configFile = configfilePath) {                                    \
      logger->debug("initialize");                                                           \
                                                                                             \
      this->configFile = configFile;                                                         \
      json j3;                                                                               \
                                                                                             \
      string config;                                                                         \
      if (!FileUtils().exist(configFile)) {                                                  \
        logger->error("can't find configfile ,create default config:{}", configFile);        \
        auto defaultConfigFile = FileUtils().openTrunc(configFile);                          \
        defaultConfigFile->write("{}", 2);                                                   \
      }                                                                                      \
      config = FileUtils().readFileAsString(configFile);                                     \
      if (config.empty()) {                                                                  \
        flushConfigToFile();                                                                 \
        config = FileUtils().readFileAsString(configFile);                                   \
      }                                                                                      \
                                                                                             \
      try {                                                                                  \
        j3 = json::parse(config);                                                            \
      } catch (const std::exception &e) {                                                    \
        throw zexception("Parse config fail......" + string(e.what()));                      \
      }                                                                                      \
      configList(configTemplateGET_CONFIG2);                                                 \
      flushConfigToFile();                                                                   \
    }                                                                                        \
    configList(ConfigServiceENABLE_GET_AND_SET2);                                            \
                                                                                             \
   public:                                                                                   \
   private:                                                                                  \
    void flushConfigToFile() {                                                               \
      json j;                                                                                \
      configList(configTemplateSAVE_CONFIG2);                                                \
      bool flushSuccess = FileUtils().writeToFile(configFile, j.dump(2));                    \
      if (!flushSuccess) {                                                                   \
        logger->error("flush config to logfile fail");                                       \
      }                                                                                      \
    };                                                                                       \
    static shared_ptr<name> &instance() {                                                    \
      static shared_ptr<name> value;                                                         \
      return value;                                                                          \
    }                                                                                        \
    void onParseConfigFail(string file_name, const std::exception &e) { onParseFiale; };     \
  };                                                                                         \
  }