1 /*
2  * Copyright 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include <array>
19 #include <cstdint>
20 #include <memory>
21 
22 #include "common/bind.h"
23 #include "hci/address.h"
24 #include "hci/hci_packets.h"
25 #include "module.h"
26 
27 namespace bluetooth {
28 namespace neighbor {
29 
30 using RemoteName = std::array<uint8_t, 248>;
31 using ReadRemoteNameDbCallback = common::OnceCallback<void(hci::Address address, bool success)>;
32 
33 class NameDbModule : public bluetooth::Module {
34 public:
35   virtual void ReadRemoteNameRequest(hci::Address address, ReadRemoteNameDbCallback callback,
36                                      os::Handler* handler);
37 
38   bool IsNameCached(hci::Address address) const;
39   RemoteName ReadCachedRemoteName(hci::Address address) const;
40 
41   static const ModuleFactory Factory;
42 
43   NameDbModule();
44   NameDbModule(const NameDbModule&) = delete;
45   NameDbModule& operator=(const NameDbModule&) = delete;
46 
47   ~NameDbModule();
48 
49 protected:
50   void ListDependencies(ModuleList* list) const override;
51   void Start() override;
52   void Stop() override;
ToString()53   std::string ToString() const override { return std::string("NameDb"); }
54 
55 private:
56   struct impl;
57   std::unique_ptr<impl> pimpl_;
58 };
59 
60 }  // namespace neighbor
61 }  // namespace bluetooth
62