1 /*
2 * Copyright (c) 2017 - 2019, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
13 * * Neither the name of The Linux Foundation nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #define LOG_TAG "PlatformConfig"
31
32 #include <errno.h>
33 #include <utils/Log.h>
34 #include <sys/mman.h>
35 #include "PlatformConfig.h"
36 #include "ConfigParser.h"
37
38 #ifdef ENABLE_CONFIGSTORE
39 #include <vendor/qti/hardware/capabilityconfigstore/1.0/types.h>
40 #include <vendor/qti/hardware/capabilityconfigstore/1.0/ICapabilityConfigStore.h>
41 #endif
42
43 namespace Platform {
44
45 #define PLAT_CONFIG_FILE "/vendor/etc/system_properties.xml"
46
47 Config* Config::mInstance;
48
Config()49 Config::Config() {
50 Platform::ConfigParser::initAndParse(PLAT_CONFIG_FILE, mConfigMap);
51 }
52
getInstance()53 Config* Config::getInstance() {
54 VIDC_PLAT_LOGH("%s: Enter", __func__);
55 if (!mInstance) {
56 mInstance = new Config();
57 }
58 return mInstance;
59 }
60
getInt32(Config_t config,int32_t * value,const int32_t defaultValue)61 ConfigError_t Config::getInt32(Config_t config, int32_t *value,
62 const int32_t defaultValue) {
63 Config *conf = getInstance();
64 if (conf == nullptr) {
65 *value = defaultValue;
66 return FAIL;
67 }
68 if (conf->mConfigMap.find(configStrMap[config].name) == conf->mConfigMap.end()) {
69 VIDC_PLAT_LOGH("%s: Returning default", __func__);
70 *value = defaultValue;
71 return FAIL;
72 }
73 *value = (int32_t) atoi(conf->mConfigMap[configStrMap[config].name].c_str());
74 VIDC_PLAT_LOGH("%s Config name: %s value: %d",
75 __func__, configStrMap[config].name, *value);
76 return OK;
77 }
78
isConfigStoreEnabled()79 bool Config::isConfigStoreEnabled()
80 {
81 #ifdef ENABLE_CONFIGSTORE
82 return true;
83 #else
84 return false;
85 #endif
86 }
87
getConfigStoreBool(const char * area,const char * config,bool & value,const bool defaultValue)88 ConfigError_t Config::getConfigStoreBool(const char *area, const char *config,
89 bool &value, const bool defaultValue)
90 {
91 #ifdef ENABLE_CONFIGSTORE
92 using vendor::qti::hardware::capabilityconfigstore::V1_0::Result;
93 using vendor::qti::hardware::capabilityconfigstore::V1_0::CommandResult;
94 if (area == nullptr || config == nullptr) {
95 return FAIL;
96 }
97
98 value = defaultValue;
99
100 Config *conf = getInstance();
101 if (conf == nullptr) {
102 return FAIL;
103 }
104
105 // load on demand
106 if (conf->mConfigStore == nullptr) {
107 conf->mConfigStore = ICapabilityConfigStore::tryGetService();
108 }
109
110 if (conf->mConfigStore == nullptr) {
111 VIDC_PLAT_LOGH("%s: unable to get configstore service", __func__);
112 return FAIL;
113 }
114
115 CommandResult result = {Result::NOT_FOUND, 0};
116 conf->mConfigStore->getConfig(area, config, [&](const CommandResult &res) {
117 result = res;
118 });
119
120 if (result.result_type != Result::SUCCESS) {
121 VIDC_PLAT_LOGH("%s: %s/%s not found(%u)", __func__, area, config,
122 result.result_type);
123 return FAIL;
124 }
125
126 if (strncasecmp("true", result.value.c_str(), result.value.size()) == 0) {
127 value = true;
128 } else {
129 value = false;
130 }
131 VIDC_PLAT_LOGH("%s: %s/%s=%s, returning %s ", __func__, area, config,
132 result.value.c_str(), value ? "true" : "false");
133 return OK;
134 #else
135 (void)(area);
136 (void)(config);
137 value = defaultValue;
138 return OK;
139 #endif
140 }
141
142 }
143