76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
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/*
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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 "host/commands/cvd/acloud/config.h"
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#include <fstream>
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#include <google/protobuf/text_format.h>
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#include "common/libs/utils/files.h"
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#include "common/libs/utils/users.h"
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namespace cuttlefish {
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AcloudConfig::AcloudConfig(const acloud::UserConfig& usr_cfg)
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: launch_args(usr_cfg.launch_args()) {
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// TODO(weihsu): Add back fields/variables (except of cheeps and emulator
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// fields) in config files. Remove cheeps (Android on ChromeOS) and emulator
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// fields.
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// TODO(weihsu): Verify validity of configurations.
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}
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template <typename ProtoType>
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Result<ProtoType> ParseTextProtoConfigHelper(const std::string& config_path) {
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std::ifstream t(config_path);
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std::stringstream buffer;
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buffer << t.rdbuf();
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ProtoType proto_result;
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google::protobuf::TextFormat::Parser p;
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CF_EXPECT(p.ParseFromString(buffer.str(), &proto_result),
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"Failed to parse config: " << config_path);
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return proto_result;
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}
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/**
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* Return path to default config file.
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*/
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Result<const std::string> GetDefaultConfigFile(const uid_t uid) {
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const std::string home = CF_EXPECT(SystemWideUserHome(uid));
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return (std::string(home) + "/.config/acloud/acloud.config");
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}
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Result<AcloudConfig> LoadAcloudConfig(const std::string& user_config_path,
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const uid_t uid) {
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acloud::UserConfig proto_result_user;
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if (FileExists(user_config_path)) {
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proto_result_user = CF_EXPECT(
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ParseTextProtoConfigHelper<acloud::UserConfig>(user_config_path));
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} else {
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const std::string conf_path = CF_EXPECT(GetDefaultConfigFile(uid));
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CF_EXPECT(user_config_path == conf_path,
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"The specified config file does not exist.");
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// If the default config does not exist, acloud creates an empty object.
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proto_result_user = acloud::UserConfig();
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}
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return AcloudConfig(proto_result_user);
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}
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} // namespace cuttlefish
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