76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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* Copyright (C) 2021 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 <vintf/VintfObjectRecovery.h>
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#include "VintfObjectUtils.h"
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#include "constants-private.h"
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using std::placeholders::_1;
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using std::placeholders::_2;
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namespace android::vintf {
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using details::Get;
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using details::kSystemManifest;
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using details::kSystemManifestFragmentDir;
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std::shared_ptr<VintfObjectRecovery> VintfObjectRecovery::GetInstance() {
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static details::LockedSharedPtr<VintfObjectRecovery> sInstance{};
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std::unique_lock<std::mutex> lock(sInstance.mutex);
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if (sInstance.object == nullptr) {
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std::unique_ptr<VintfObjectRecovery> uptr =
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VintfObjectRecovery::Builder().build<VintfObjectRecovery>();
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sInstance.object = std::shared_ptr<VintfObjectRecovery>(uptr.release());
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}
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return sInstance.object;
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}
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std::shared_ptr<const HalManifest> VintfObjectRecovery::getRecoveryHalManifest() {
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return Get(__func__, &mRecoveryManifest,
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std::bind(&VintfObjectRecovery::fetchRecoveryHalManifest, this, _1, _2));
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}
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// All manifests are installed under /system/etc/vintf.
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// There may be mixed framework and device manifests under that directory. Treat them all
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// as device manifest fragments.
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// Priority:
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// 1. /system/etc/vintf/manifest.xml
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// + /system/etc/vintf/manifest/*.xml if they exist
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status_t VintfObjectRecovery::fetchRecoveryHalManifest(HalManifest* out, std::string* error) {
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HalManifest manifest;
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status_t systemEtcStatus = fetchOneHalManifest(kSystemManifest, &manifest, error);
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if (systemEtcStatus != OK && systemEtcStatus != NAME_NOT_FOUND) {
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return systemEtcStatus;
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}
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// Merge |manifest| to |out| only if the main manifest is found.
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if (systemEtcStatus == OK) {
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*out = std::move(manifest);
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}
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out->setType(SchemaType::DEVICE);
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status_t fragmentStatus =
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addDirectoryManifests(kSystemManifestFragmentDir, out, true /* forceSchemaType */, error);
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if (fragmentStatus != OK) {
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return fragmentStatus;
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}
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return OK;
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}
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VintfObjectRecovery::Builder::Builder()
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: VintfObjectBuilder(std::unique_ptr<VintfObject>(new VintfObjectRecovery())) {}
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} // namespace android::vintf
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