1 /******************************************************************************
2  *
3  *  Copyright 2018 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 
26 #include <config.h>
27 
28 using namespace ::std;
29 using namespace ::android::base;
30 
31 namespace {
32 
findConfigPath()33 std::string findConfigPath() {
34   const vector<string> search_path = {"/odm/etc/", "/vendor/etc/", "/etc/"};
35   const string file_name = "libese-nxp.conf";
36 
37   for (string path : search_path) {
38     path.append(file_name);
39     struct stat file_stat;
40     if (stat(path.c_str(), &file_stat) != 0) continue;
41     if (S_ISREG(file_stat.st_mode)) return path;
42   }
43   return "";
44 }
45 
46 }  // namespace
47 
EseConfig()48 EseConfig::EseConfig() {
49   string config_path = findConfigPath();
50   CHECK(config_path != "");
51   config_.parseFromFile(config_path);
52 }
53 
getInstance()54 EseConfig& EseConfig::getInstance() {
55   static EseConfig theInstance;
56   return theInstance;
57 }
58 
hasKey(const std::string & key)59 bool EseConfig::hasKey(const std::string& key) {
60   return getInstance().config_.hasKey(key);
61 }
62 
getString(const std::string & key)63 std::string EseConfig::getString(const std::string& key) {
64   return getInstance().config_.getString(key);
65 }
66 
getString(const std::string & key,std::string default_value)67 std::string EseConfig::getString(const std::string& key,
68                                  std::string default_value) {
69   if (hasKey(key)) return getString(key);
70   return default_value;
71 }
72 
getUnsigned(const std::string & key)73 unsigned EseConfig::getUnsigned(const std::string& key) {
74   return getInstance().config_.getUnsigned(key);
75 }
76 
getUnsigned(const std::string & key,unsigned default_value)77 unsigned EseConfig::getUnsigned(const std::string& key,
78                                 unsigned default_value) {
79   if (hasKey(key)) return getUnsigned(key);
80   return default_value;
81 }
82 
getBytes(const std::string & key)83 std::vector<uint8_t> EseConfig::getBytes(const std::string& key) {
84   return getInstance().config_.getBytes(key);
85 }
86 
clear()87 void EseConfig::clear() { getInstance().config_.clear(); }
88