d628cfc153
All the active users of mounts.h now live in updater/. Test: mmma bootable/recovery Test: Run recovery_unit_test on taimen. Test: Code search shows no reference to otautil/mounts.h in device dirs. Change-Id: I6c35d2e403e92a0111102d00aa4773f4f524650e
132 lines
4.5 KiB
C++
132 lines
4.5 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 <unordered_set>
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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 "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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if (android::base::EndsWith(filename, "oem.prop")) {
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return android::base::ReadFileToString(source_->GetOemSettings(), content);
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}
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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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bool SimulatorRuntime::MapPartitionOnDeviceMapper(const std::string& partition_name,
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std::string* path) {
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*path = partition_name;
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return true;
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}
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bool SimulatorRuntime::UnmapPartitionOnDeviceMapper(const std::string& partition_name) {
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LOG(INFO) << "Skip unmapping " << partition_name;
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return true;
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}
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bool SimulatorRuntime::UpdateDynamicPartitions(const std::string_view op_list_value) {
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const std::unordered_set<std::string> commands{
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"resize", "remove", "add", "move",
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"add_group", "resize_group", "remove_group", "remove_all_groups",
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};
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std::vector<std::string> lines = android::base::Split(std::string(op_list_value), "\n");
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for (const auto& line : lines) {
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if (line.empty() || line[0] == '#') continue;
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auto tokens = android::base::Split(line, " ");
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if (commands.find(tokens[0]) == commands.end()) {
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LOG(ERROR) << "Unknown operation in op_list: " << line;
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return false;
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}
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}
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return true;
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}
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