1 /*
2 * Copyright 2019 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
17 #include "os/system_properties.h"
18
19 #include <mutex>
20 #include <string>
21 #include <unordered_map>
22
23 namespace bluetooth {
24 namespace os {
25
26 namespace {
27 std::mutex properties_mutex;
28
29 // Properties set along with some default values for Floss.
30 std::unordered_map<std::string, std::string> properties = {
31 {"bluetooth.profile.avrcp.target.enabled", "true"},
32 };
33 } // namespace
34
GetSystemProperty(const std::string & property)35 std::optional<std::string> GetSystemProperty(const std::string& property) {
36 std::lock_guard<std::mutex> lock(properties_mutex);
37 auto iter = properties.find(property);
38 if (iter == properties.end()) {
39 return std::nullopt;
40 }
41 return iter->second;
42 }
43
SetSystemProperty(const std::string & property,const std::string & value)44 bool SetSystemProperty(const std::string& property, const std::string& value) {
45 std::lock_guard<std::mutex> lock(properties_mutex);
46 properties.insert_or_assign(property, value);
47 return true;
48 }
49
ClearSystemPropertiesForHost()50 bool ClearSystemPropertiesForHost() {
51 std::lock_guard<std::mutex> lock(properties_mutex);
52 properties.clear();
53 return true;
54 }
55
IsRootCanalEnabled()56 bool IsRootCanalEnabled() {
57 return false;
58 }
59
GetAndroidVendorReleaseVersion()60 int GetAndroidVendorReleaseVersion() {
61 return 0;
62 }
63
64 } // namespace os
65 } // namespace bluetooth
66