96 struct ServerInternals {  struct
104   std::map<Uuid, int> uuid_to_attribute;
107   std::unordered_map<int, Characteristic> characteristics;
110   std::unordered_map<int, int> controlled_blobs;
112   ScanResults scan_results;
114   Uuid last_write;
115   const btgatt_interface_t* gatt;
116   int server_if;
117   int client_if;
118   int service_handle;
119   std::set<int> connections;
121   std::mutex lock;
122   std::condition_variable api_synchronize;
123   int pipefd[kPipeNumEnds];
515 ServerInternals::ServerInternals()  in ServerInternals()  function in bluetooth::gatt::ServerInternals