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/parameter_provider.h"
18 
19 #include <mutex>
20 #include <string>
21 
22 namespace bluetooth {
23 namespace os {
24 
25 namespace {
26 std::mutex parameter_mutex;
27 std::string config_file_path;
28 std::string snoop_log_file_path;
29 std::string snooz_log_file_path;
30 }  // namespace
31 
32 // On Android we always write a single default location
ConfigFilePath()33 std::string ParameterProvider::ConfigFilePath() {
34   {
35     std::lock_guard<std::mutex> lock(parameter_mutex);
36     if (!config_file_path.empty()) {
37       return config_file_path;
38     }
39   }
40   return "/data/misc/bluedroid/bt_config.conf";
41 }
42 
OverrideConfigFilePath(const std::string & path)43 void ParameterProvider::OverrideConfigFilePath(const std::string& path) {
44   std::lock_guard<std::mutex> lock(parameter_mutex);
45   config_file_path = path;
46 }
47 
SnoopLogFilePath()48 std::string ParameterProvider::SnoopLogFilePath() {
49   {
50     std::lock_guard<std::mutex> lock(parameter_mutex);
51     if (!snoop_log_file_path.empty()) {
52       return snoop_log_file_path;
53     }
54   }
55   return "/data/misc/bluetooth/logs/btsnoop_hci.log";
56 }
57 
OverrideSnoopLogFilePath(const std::string & path)58 void ParameterProvider::OverrideSnoopLogFilePath(const std::string& path) {
59   std::lock_guard<std::mutex> lock(parameter_mutex);
60   snoop_log_file_path = path;
61 }
62 
63 // Return the path to the default snooz log file location
SnoozLogFilePath()64 std::string ParameterProvider::SnoozLogFilePath() {
65   {
66     std::lock_guard<std::mutex> lock(parameter_mutex);
67     if (!snooz_log_file_path.empty()) {
68       return snooz_log_file_path;
69     }
70   }
71   return "/data/misc/bluetooth/logs/btsnooz_hci.log";
72 }
73 
OverrideSnoozLogFilePath(const std::string & path)74 void ParameterProvider::OverrideSnoozLogFilePath(const std::string& path) {
75   std::lock_guard<std::mutex> lock(parameter_mutex);
76   snooz_log_file_path = path;
77 }
78 
79 }  // namespace os
80 }  // namespace bluetooth