1 // Copyright 2022, The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include <cstdint> 18 19 #include "include/hardware/bluetooth.h" 20 #include "include/hardware/bt_common_types.h" 21 #include "include/hardware/bt_gatt_client.h" 22 #include "include/hardware/bt_gatt_server.h" 23 #include "rust/cxx.h" 24 25 namespace bluetooth { 26 namespace gatt { 27 28 /// The GATT entity backing the value of a user-controlled 29 /// attribute 30 enum class AttributeBackingType { 31 /// A GATT characteristic 32 CHARACTERISTIC, 33 /// A GATT descriptor 34 DESCRIPTOR, 35 }; 36 37 class GattServerCallbacks { 38 public: GattServerCallbacks(const btgatt_server_callbacks_t & callbacks)39 GattServerCallbacks(const btgatt_server_callbacks_t& callbacks) 40 : callbacks(callbacks){}; 41 42 void OnServerRead(uint16_t conn_id, uint32_t trans_id, uint16_t attr_handle, 43 AttributeBackingType attr_type, uint32_t offset, 44 bool is_long) const; 45 46 void OnServerWrite(uint16_t conn_id, uint32_t trans_id, uint16_t attr_handle, 47 AttributeBackingType attr_type, uint32_t offset, 48 bool need_response, bool is_prepare, 49 ::rust::Slice<const uint8_t> value) const; 50 51 void OnIndicationSentConfirmation(uint16_t conn_id, int status) const; 52 53 void OnExecute(uint16_t conn_id, uint32_t trans_id, bool execute) const; 54 55 private: 56 const btgatt_server_callbacks_t& callbacks; 57 }; 58 59 } // namespace gatt 60 } // namespace bluetooth 61