//
// Created by zzy on 2022/7/5.
//

#pragma once

#include <atomic>
#include <memory>
#include <mutex>

#include "global_defines.h"
#ifndef MYSQL8
#include "sql_plugin.h"
#include <my_global.h>
#endif
#include <mysql.h>
#include <mysql/plugin.h>
#include <mysql/service_my_plugin_log.h>
#include "sql/log.h"

#define POLARX_RPC_PLUGIN_NAME "polarx_rpc"

namespace polarx_rpc {
class Cserver;
class CrequestCache;
}

struct polarx_rpc_info_t final {
  st_mysql_daemon daemon{MYSQL_DAEMON_INTERFACE_VERSION};

  /// server
  std::mutex mutex;
  MYSQL_PLUGIN plugin_info = nullptr;
  std::unique_ptr<polarx_rpc::Cserver> server;

  /// cache
  std::unique_ptr<polarx_rpc::CrequestCache> cache;

  /// status
  std::atomic<bool> inited = {false};
  std::atomic<int64> tcp_connections = {0};
  std::atomic<int64> tcp_closing = {0};
  //// session count use polarx_rpc::g_session_count;
  std::atomic<int64> total_sessions = {0}; /// include internal session
  std::atomic<int64> threads = {0}; /// working threads(without watchdog)
  std::atomic<int64> sql_hit = {0};
  std::atomic<int64> sql_miss = {0};
  std::atomic<int64> sql_evict = {0};
  std::atomic<int64> plan_hit = {0};
  std::atomic<int64> plan_miss = {0};
  std::atomic<int64> plan_evict = {0};
};

extern polarx_rpc_info_t plugin_info;

#define POLARX_RPC_DBG 0
#if POLARX_RPC_DBG
#  define DBG_LOG(_x_) sql_print_information _x_
#else
#  define DBG_LOG(_x_)
#endif

#define POLARX_RPC_PKT_DBG 0