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/*
* Copyright (C) 2019 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 <android-base/logging.h>
#include <android-base/properties.h>
#include <libsnapshot/snapshot.h>
#include "recovery_ui/device.h"
#include "recovery_ui/ui.h"
#include "recovery_utils/roots.h"
using android::snapshot::CreateResult;
using android::snapshot::SnapshotManager;
bool FinishPendingSnapshotMerges(Device* device) {
if (!android::base::GetBoolProperty("ro.virtual_ab.enabled", false)) {
return true;
}
RecoveryUI* ui = device->GetUI();
auto sm = SnapshotManager::New();
if (!sm) {
ui->Print("Could not create SnapshotManager.\n");
return false;
}
auto callback = [&]() -> void {
double progress;
sm->GetUpdateState(&progress);
ui->Print("Waiting for merge to complete: %.2f\n", progress);
};
if (!sm->HandleImminentDataWipe(callback)) {
ui->Print("Unable to check merge status and/or complete update merge.\n");
return false;
}
return true;
}
bool CreateSnapshotPartitions() {
if (!android::base::GetBoolProperty("ro.virtual_ab.enabled", false)) {
// If the device does not support Virtual A/B, there's no need to create
// snapshot devices.
return true;
}
auto sm = SnapshotManager::New();
if (!sm) {
// SnapshotManager could not be created. The device is still in a
// consistent state and can continue with the mounting of the existing
// devices, but cannot initialize snapshot devices.
LOG(WARNING) << "Could not create SnapshotManager";
return true;
}
auto ret = sm->RecoveryCreateSnapshotDevices();
if (ret == CreateResult::ERROR) {
return false;
}
return true;
}