Method GetFetchFileThreadNum

src/server/server.h:217–217

  void IncrFetchFileThread() { fetch_file_threads_num_++; }
  void DecrFetchFileThread() { fetch_file_threads_num_--; }
  int GetFetchFileThreadNum() const { return fetch_file_threads_num_; }

  int PublishMessage(const std::string &channel, const std::string &msg);
  void SubscribeChannel(const std::string &channel, redis::Connection *conn);