1 /******************************************************************************
2  *
3  *  Copyright 2018,2023 NXP
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #include "ese_config.h"
20 
21 #include <android-base/file.h>
22 #include <android-base/logging.h>
23 #include <android-base/parseint.h>
24 #include <android-base/strings.h>
25 #include <config.h>
26 
27 using namespace ::std;
28 using namespace ::android::base;
29 
30 namespace {
31 
findConfigPath()32 std::string findConfigPath() {
33   const vector<string> search_path = {"/odm/etc/", "/vendor/etc/", "/etc/"};
34   const string file_name = "libese-nxp.conf";
35 
36   for (string path : search_path) {
37     path.append(file_name);
38     struct stat file_stat;
39     if (stat(path.c_str(), &file_stat) != 0) continue;
40     if (S_ISREG(file_stat.st_mode)) return path;
41   }
42   return "";
43 }
44 
45 }  // namespace
46 
EseConfig()47 EseConfig::EseConfig() {
48   string config_path = findConfigPath();
49   CHECK(config_path != "");
50   config_.parseFromFile(config_path);
51 }
52 
getInstance()53 EseConfig& EseConfig::getInstance() {
54   static EseConfig theInstance;
55   return theInstance;
56 }
57 
hasKey(const std::string & key)58 bool EseConfig::hasKey(const std::string& key) {
59   return getInstance().config_.hasKey(key);
60 }
61 
getString(const std::string & key)62 std::string EseConfig::getString(const std::string& key) {
63   return getInstance().config_.getString(key);
64 }
65 
getString(const std::string & key,std::string default_value)66 std::string EseConfig::getString(const std::string& key,
67                                  std::string default_value) {
68   if (hasKey(key)) return getString(key);
69   return default_value;
70 }
71 
getUnsigned(const std::string & key)72 unsigned EseConfig::getUnsigned(const std::string& key) {
73   return getInstance().config_.getUnsigned(key);
74 }
75 
getUnsigned(const std::string & key,unsigned default_value)76 unsigned EseConfig::getUnsigned(const std::string& key,
77                                 unsigned default_value) {
78   if (hasKey(key)) return getUnsigned(key);
79   return default_value;
80 }
81