55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "chre_host/config_util.h"
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#include "chre_host/log.h"
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#include <json/json.h>
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#include <fstream>
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namespace android {
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namespace chre {
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bool getPreloadedNanoappsFromConfigFile(const std::string &configFilePath,
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std::string &outDirectory,
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std::vector<std::string> &outNanoapps) {
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std::ifstream configFileStream(configFilePath);
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Json::CharReaderBuilder builder;
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Json::Value config;
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if (!configFileStream) {
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LOGE("Failed to open config file '%s'", configFilePath.c_str());
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return false;
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} else if (!Json::parseFromStream(builder, configFileStream, &config,
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/* errs = */ nullptr)) {
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LOGE("Failed to parse nanoapp config file");
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return false;
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} else if (!config.isMember("nanoapps") || !config.isMember("source_dir")) {
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LOGE("Malformed preloaded nanoapps config");
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return false;
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}
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outDirectory = config["source_dir"].asString();
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for (Json::ArrayIndex i = 0; i < config["nanoapps"].size(); ++i) {
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const std::string &nanoappName = config["nanoapps"][i].asString();
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outNanoapps.push_back(nanoappName);
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}
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return true;
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}
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} // namespace chre
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} // namespace android
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