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//
// Copyright (C) 2020 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "update_engine/cros/excluder_chromeos.h"
#include <memory>
#include <vector>
#include <base/logging.h>
#include <base/strings/string_piece.h>
#include <base/strings/string_number_conversions.h>
#include <base/strings/string_split.h>
#include "update_engine/common/constants.h"
#include "update_engine/common/system_state.h"
using std::string;
using std::vector;
namespace chromeos_update_engine {
std::unique_ptr<ExcluderInterface> CreateExcluder() {
return std::make_unique<ExcluderChromeOS>();
}
bool ExcluderChromeOS::Exclude(const string& name) {
auto* prefs = SystemState::Get()->prefs();
auto key = prefs->CreateSubKey({kExclusionPrefsSubDir, name});
return prefs->SetString(key, "");
}
bool ExcluderChromeOS::IsExcluded(const string& name) {
auto* prefs = SystemState::Get()->prefs();
auto key = prefs->CreateSubKey({kExclusionPrefsSubDir, name});
return prefs->Exists(key);
}
bool ExcluderChromeOS::Reset() {
auto* prefs = SystemState::Get()->prefs();
bool ret = true;
vector<string> keys;
if (!prefs->GetSubKeys(kExclusionPrefsSubDir, &keys))
return false;
for (const auto& key : keys)
if (!(ret &= prefs->Delete(key)))
LOG(ERROR) << "Failed to delete exclusion pref for " << key;
return ret;
}
} // namespace chromeos_update_engine