c1a5e26fd9
Implement the simulator runtime and build the updater simulator as a host executable. The code to parse the target-files and mocks the block devices will be submitted in the follow-up. Bug: 131911365 Test: unit tests pass Change-Id: Ib1ba939aec8333ca68a45139514d772ad7a27ad8
97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/*
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* Copyright (C) 2019 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 "updater/simulator_runtime.h"
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#include <string.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/properties.h>
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#include <android-base/strings.h>
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#include <android-base/unique_fd.h>
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#include <ext4_utils/wipe.h>
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#include <selinux/label.h>
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#include "otautil/mounts.h"
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#include "otautil/sysutil.h"
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std::string SimulatorRuntime::GetProperty(const std::string_view key,
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const std::string_view default_value) const {
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return source_->GetProperty(key, default_value);
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}
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int SimulatorRuntime::Mount(const std::string_view location, const std::string_view mount_point,
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const std::string_view /* fs_type */,
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const std::string_view /* mount_options */) {
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if (auto mounted_location = mounted_partitions_.find(mount_point);
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mounted_location != mounted_partitions_.end() && mounted_location->second != location) {
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LOG(ERROR) << mount_point << " has been mounted at " << mounted_location->second;
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return -1;
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}
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mounted_partitions_.emplace(mount_point, location);
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return 0;
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}
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bool SimulatorRuntime::IsMounted(const std::string_view mount_point) const {
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return mounted_partitions_.find(mount_point) != mounted_partitions_.end();
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}
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std::pair<bool, int> SimulatorRuntime::Unmount(const std::string_view mount_point) {
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if (!IsMounted(mount_point)) {
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return { false, -1 };
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}
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mounted_partitions_.erase(std::string(mount_point));
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return { true, 0 };
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}
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std::string SimulatorRuntime::FindBlockDeviceName(const std::string_view name) const {
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return source_->FindBlockDeviceName(name);
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}
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// TODO(xunchang) implement the utility functions in simulator.
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int SimulatorRuntime::RunProgram(const std::vector<std::string>& args, bool /* is_vfork */) const {
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LOG(INFO) << "Running program with args " << android::base::Join(args, " ");
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return 0;
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}
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int SimulatorRuntime::Tune2Fs(const std::vector<std::string>& args) const {
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LOG(INFO) << "Running Tune2Fs with args " << android::base::Join(args, " ");
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return 0;
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}
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int SimulatorRuntime::WipeBlockDevice(const std::string_view filename, size_t /* len */) const {
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LOG(INFO) << "SKip wiping block device " << filename;
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return 0;
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}
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bool SimulatorRuntime::ReadFileToString(const std::string_view filename,
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std::string* /* content */) const {
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LOG(INFO) << "SKip reading filename " << filename;
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return true;
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}
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bool SimulatorRuntime::WriteStringToFile(const std::string_view content,
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const std::string_view filename) const {
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LOG(INFO) << "SKip writing " << content.size() << " bytes to file " << filename;
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return true;
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}
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