1 // Copyright 2024 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://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, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #pragma once
16 
17 #include "pw_bluetooth_sapphire/internal/host/common/identifier.h"
18 
19 namespace bthost {
20 // Separate types to help prevent mixing up the two types of service IDs used in
21 // gatt2/Server.
22 class ClientServiceId : public bt::Identifier<uint64_t> {
23  public:
ClientServiceId(uint64_t value)24   constexpr explicit ClientServiceId(uint64_t value)
25       : Identifier<uint64_t>(value) {}
ClientServiceId()26   constexpr ClientServiceId() : ClientServiceId(0u) {}
27 };
28 
29 class InternalServiceId : public bt::Identifier<uint64_t> {
30  public:
InternalServiceId(uint64_t value)31   constexpr explicit InternalServiceId(uint64_t value)
32       : Identifier<uint64_t>(value) {}
InternalServiceId()33   constexpr InternalServiceId() : InternalServiceId(0u) {}
34 };
35 }  // namespace bthost
36 
37 namespace std {
38 template <>
39 struct hash<bthost::ClientServiceId> {
40   size_t operator()(const bthost::ClientServiceId& id) const {
41     return std::hash<decltype(id.value())>()(id.value());
42   }
43 };
44 
45 template <>
46 struct hash<bthost::InternalServiceId> {
47   size_t operator()(const bthost::InternalServiceId& id) const {
48     return std::hash<decltype(id.value())>()(id.value());
49   }
50 };
51 }  // namespace std
52