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/*
* Copyright (C) 2022 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.
*/
#ifndef ART_ARTD_ARTD_H_
#define ART_ARTD_ARTD_H_
#include <sys/stat.h>
#include <sys/types.h>
#include <csignal>
#include <cstdint>
#include <functional>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#include "aidl/com/android/server/art/BnArtd.h"
#include "aidl/com/android/server/art/BnArtdCancellationSignal.h"
#include "android-base/result.h"
#include "android-base/thread_annotations.h"
#include "android/binder_auto_utils.h"
#include "base/os.h"
#include "exec_utils.h"
#include "oat_file_assistant_context.h"
#include "tools/cmdline_builder.h"
#include "tools/system_properties.h"
namespace art {
namespace artd {
class ArtdCancellationSignal : public aidl::com::android::server::art::BnArtdCancellationSignal {
public:
explicit ArtdCancellationSignal(std::function<int(pid_t, int)> kill_func)
: kill_(std::move(kill_func)) {}
ndk::ScopedAStatus cancel() override;
ndk::ScopedAStatus getType(int64_t* _aidl_return) override;
private:
std::mutex mu_;
// True if cancellation has been signaled.
bool is_cancelled_ GUARDED_BY(mu_) = false;
// The pids of currently running child processes that are bound to this signal.
std::unordered_set<pid_t> pids_ GUARDED_BY(mu_);
std::function<int(pid_t, int)> kill_;
friend class Artd;
};
class Artd : public aidl::com::android::server::art::BnArtd {
public:
explicit Artd(std::unique_ptr<art::tools::SystemProperties> props =
std::make_unique<art::tools::SystemProperties>(),
std::unique_ptr<ExecUtils> exec_utils = std::make_unique<ExecUtils>(),
std::function<int(pid_t, int)> kill_func = kill,
std::function<int(int, struct stat*)> fstat_func = fstat)
: props_(std::move(props)),
exec_utils_(std::move(exec_utils)),
kill_(std::move(kill_func)),
fstat_(std::move(fstat_func)) {}
ndk::ScopedAStatus isAlive(bool* _aidl_return) override;
ndk::ScopedAStatus deleteArtifacts(
const aidl::com::android::server::art::ArtifactsPath& in_artifactsPath,
int64_t* _aidl_return) override;
ndk::ScopedAStatus getDexoptStatus(
const std::string& in_dexFile,
const std::string& in_instructionSet,
const std::optional<std::string>& in_classLoaderContext,
aidl::com::android::server::art::GetDexoptStatusResult* _aidl_return) override;
ndk::ScopedAStatus isProfileUsable(const aidl::com::android::server::art::ProfilePath& in_profile,
const std::string& in_dexFile,
bool* _aidl_return) override;
ndk::ScopedAStatus copyAndRewriteProfile(
const aidl::com::android::server::art::ProfilePath& in_src,
aidl::com::android::server::art::OutputProfile* in_dst,
const std::string& in_dexFile,
bool* _aidl_return) override;
ndk::ScopedAStatus commitTmpProfile(
const aidl::com::android::server::art::ProfilePath::TmpProfilePath& in_profile) override;
ndk::ScopedAStatus deleteProfile(
const aidl::com::android::server::art::ProfilePath& in_profile) override;
ndk::ScopedAStatus getProfileVisibility(
const aidl::com::android::server::art::ProfilePath& in_profile,
aidl::com::android::server::art::FileVisibility* _aidl_return) override;
ndk::ScopedAStatus mergeProfiles(
const std::vector<aidl::com::android::server::art::ProfilePath>& in_profiles,
const std::optional<aidl::com::android::server::art::ProfilePath>& in_referenceProfile,
aidl::com::android::server::art::OutputProfile* in_outputProfile,
const std::vector<std::string>& in_dexFiles,
const aidl::com::android::server::art::MergeProfileOptions& in_options,
bool* _aidl_return) override;
ndk::ScopedAStatus getArtifactsVisibility(
const aidl::com::android::server::art::ArtifactsPath& in_artifactsPath,
aidl::com::android::server::art::FileVisibility* _aidl_return) override;
ndk::ScopedAStatus getDexFileVisibility(
const std::string& in_dexFile,
aidl::com::android::server::art::FileVisibility* _aidl_return) override;
ndk::ScopedAStatus getDmFileVisibility(
const aidl::com::android::server::art::DexMetadataPath& in_dmFile,
aidl::com::android::server::art::FileVisibility* _aidl_return) override;
ndk::ScopedAStatus getDexoptNeeded(
const std::string& in_dexFile,
const std::string& in_instructionSet,
const std::optional<std::string>& in_classLoaderContext,
const std::string& in_compilerFilter,
int32_t in_dexoptTrigger,
aidl::com::android::server::art::GetDexoptNeededResult* _aidl_return) override;
ndk::ScopedAStatus dexopt(
const aidl::com::android::server::art::OutputArtifacts& in_outputArtifacts,
const std::string& in_dexFile,
const std::string& in_instructionSet,
const std::optional<std::string>& in_classLoaderContext,
const std::string& in_compilerFilter,
const std::optional<aidl::com::android::server::art::ProfilePath>& in_profile,
const std::optional<aidl::com::android::server::art::VdexPath>& in_inputVdex,
const std::optional<aidl::com::android::server::art::DexMetadataPath>& in_dmFile,
aidl::com::android::server::art::PriorityClass in_priorityClass,
const aidl::com::android::server::art::DexoptOptions& in_dexoptOptions,
const std::shared_ptr<aidl::com::android::server::art::IArtdCancellationSignal>&
in_cancellationSignal,
aidl::com::android::server::art::ArtdDexoptResult* _aidl_return) override;
ndk::ScopedAStatus createCancellationSignal(
std::shared_ptr<aidl::com::android::server::art::IArtdCancellationSignal>* _aidl_return)
override;
ndk::ScopedAStatus cleanup(
const std::vector<aidl::com::android::server::art::ProfilePath>& in_profilesToKeep,
const std::vector<aidl::com::android::server::art::ArtifactsPath>& in_artifactsToKeep,
const std::vector<aidl::com::android::server::art::VdexPath>& in_vdexFilesToKeep,
int64_t* _aidl_return) override;
ndk::ScopedAStatus isIncrementalFsPath(const std::string& in_dexFile,
bool* _aidl_return) override;
android::base::Result<void> Start();
private:
android::base::Result<OatFileAssistantContext*> GetOatFileAssistantContext()
EXCLUDES(ofa_context_mu_);
android::base::Result<const std::vector<std::string>*> GetBootImageLocations()
EXCLUDES(cache_mu_);
android::base::Result<const std::vector<std::string>*> GetBootClassPath() EXCLUDES(cache_mu_);
bool UseJitZygote() EXCLUDES(cache_mu_);
bool UseJitZygoteLocked() REQUIRES(cache_mu_);
const std::string& GetUserDefinedBootImageLocations() EXCLUDES(cache_mu_);
const std::string& GetUserDefinedBootImageLocationsLocked() REQUIRES(cache_mu_);
bool DenyArtApexDataFiles() EXCLUDES(cache_mu_);
bool DenyArtApexDataFilesLocked() REQUIRES(cache_mu_);
android::base::Result<int> ExecAndReturnCode(const std::vector<std::string>& arg_vector,
int timeout_sec,
const ExecCallbacks& callbacks = ExecCallbacks(),
ProcessStat* stat = nullptr) const;
android::base::Result<std::string> GetProfman();
android::base::Result<std::string> GetArtExec();
bool ShouldUseDex2Oat64();
android::base::Result<std::string> GetDex2Oat();
bool ShouldCreateSwapFileForDexopt();
void AddBootImageFlags(/*out*/ art::tools::CmdlineBuilder& args);
void AddCompilerConfigFlags(const std::string& instruction_set,
const std::string& compiler_filter,
aidl::com::android::server::art::PriorityClass priority_class,
const aidl::com::android::server::art::DexoptOptions& dexopt_options,
/*out*/ art::tools::CmdlineBuilder& args);
void AddPerfConfigFlags(aidl::com::android::server::art::PriorityClass priority_class,
/*out*/ art::tools::CmdlineBuilder& art_exec_args,
/*out*/ art::tools::CmdlineBuilder& args);
android::base::Result<struct stat> Fstat(const art::File& file) const;
std::mutex cache_mu_;
std::optional<std::vector<std::string>> cached_boot_image_locations_ GUARDED_BY(cache_mu_);
std::optional<std::vector<std::string>> cached_boot_class_path_ GUARDED_BY(cache_mu_);
std::optional<bool> cached_use_jit_zygote_ GUARDED_BY(cache_mu_);
std::optional<std::string> cached_user_defined_boot_image_locations_ GUARDED_BY(cache_mu_);
std::optional<bool> cached_deny_art_apex_data_files_ GUARDED_BY(cache_mu_);
std::mutex ofa_context_mu_;
std::unique_ptr<OatFileAssistantContext> ofa_context_ GUARDED_BY(ofa_context_mu_);
const std::unique_ptr<art::tools::SystemProperties> props_;
const std::unique_ptr<ExecUtils> exec_utils_;
const std::function<int(pid_t, int)> kill_;
const std::function<int(int, struct stat*)> fstat_;
};
} // namespace artd
} // namespace art
#endif // ART_ARTD_ARTD_H_
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