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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 <libsnapshot/snapshot_stub.h>
#include <android-base/logging.h>
#include <libsnapshot/snapshot_stats.h>
using android::fs_mgr::CreateLogicalPartitionParams;
using chromeos_update_engine::DeltaArchiveManifest;
using chromeos_update_engine::FileDescriptor;
namespace android::snapshot {
std::unique_ptr<ISnapshotManager> SnapshotManagerStub::New() {
return std::make_unique<SnapshotManagerStub>();
}
bool SnapshotManagerStub::BeginUpdate() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::CancelUpdate() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::FinishedSnapshotWrites(bool) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::InitiateMerge() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
UpdateState SnapshotManagerStub::ProcessUpdateState(const std::function<bool()>&,
const std::function<bool()>&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return UpdateState::None;
}
UpdateState SnapshotManagerStub::GetUpdateState(double*) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return UpdateState::None;
}
Return SnapshotManagerStub::CreateUpdateSnapshots(const DeltaArchiveManifest&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return Return::Error();
}
bool SnapshotManagerStub::MapUpdateSnapshot(const CreateLogicalPartitionParams&, std::string*) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::UnmapUpdateSnapshot(const std::string&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::NeedSnapshotsInFirstStageMount() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::CreateLogicalAndSnapshotPartitions(const std::string&,
const std::chrono::milliseconds&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::HandleImminentDataWipe(const std::function<void()>&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::FinishMergeInRecovery() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
CreateResult SnapshotManagerStub::RecoveryCreateSnapshotDevices() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return CreateResult::ERROR;
}
CreateResult SnapshotManagerStub::RecoveryCreateSnapshotDevices(
const std::unique_ptr<AutoDevice>&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return CreateResult::ERROR;
}
bool SnapshotManagerStub::Dump(std::ostream&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
std::unique_ptr<AutoDevice> SnapshotManagerStub::EnsureMetadataMounted() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return nullptr;
}
bool SnapshotManagerStub::UpdateUsesCompression() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::UpdateUsesUserSnapshots() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
class SnapshotMergeStatsStub : public ISnapshotMergeStats {
bool Start() override { return false; }
void set_state(android::snapshot::UpdateState) override {}
uint64_t cow_file_size() override { return 0; }
std::unique_ptr<Result> Finish() override { return nullptr; }
uint64_t total_cow_size_bytes() override { return 0; }
uint64_t estimated_cow_size_bytes() override { return 0; }
void set_boot_complete_time_ms(uint32_t) override {}
uint32_t boot_complete_time_ms() override { return 0; }
void set_boot_complete_to_merge_start_time_ms(uint32_t) override {}
uint32_t boot_complete_to_merge_start_time_ms() override { return 0; }
void set_merge_failure_code(MergeFailureCode) override {}
MergeFailureCode merge_failure_code() override { return MergeFailureCode::Ok; }
void set_source_build_fingerprint(const std::string&) override {}
std::string source_build_fingerprint() override { return {}; }
bool WriteState() override { return false; }
SnapshotMergeReport* report() override { return &report_; }
private:
SnapshotMergeReport report_;
};
ISnapshotMergeStats* SnapshotManagerStub::GetSnapshotMergeStatsInstance() {
static SnapshotMergeStatsStub snapshot_merge_stats;
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return &snapshot_merge_stats;
}
std::unique_ptr<ICowWriter> SnapshotManagerStub::OpenSnapshotWriter(
const CreateLogicalPartitionParams&, std::optional<uint64_t>) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return nullptr;
}
bool SnapshotManagerStub::MapAllSnapshots(const std::chrono::milliseconds&) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
bool SnapshotManagerStub::UnmapAllSnapshots() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return false;
}
void SnapshotManagerStub::UpdateCowStats(ISnapshotMergeStats*) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
}
auto SnapshotManagerStub::ReadMergeFailureCode() -> MergeFailureCode {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return MergeFailureCode::Ok;
}
std::string SnapshotManagerStub::ReadSourceBuildFingerprint() {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
return {};
}
void SnapshotManagerStub::SetMergeStatsFeatures(ISnapshotMergeStats*) {
LOG(ERROR) << __FUNCTION__ << " should never be called.";
}
} // namespace android::snapshot
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