1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_DEXOPT_CHROOT_SETUP_DEXOPT_CHROOT_SETUP_H_
18 #define ART_DEXOPT_CHROOT_SETUP_DEXOPT_CHROOT_SETUP_H_
19 
20 #include <optional>
21 #include <string>
22 
23 #include "aidl/com/android/server/art/BnDexoptChrootSetup.h"
24 #include "android-base/result.h"
25 #include "android-base/thread_annotations.h"
26 
27 namespace art {
28 namespace dexopt_chroot_setup {
29 
30 // A service that sets up the chroot environment for Pre-reboot Dexopt.
31 class DexoptChrootSetup : public aidl::com::android::server::art::BnDexoptChrootSetup {
32  public:
33   ndk::ScopedAStatus setUp(const std::optional<std::string>& in_otaSlot,
34                            bool in_mapSnapshotsForOta) override;
35 
36   ndk::ScopedAStatus init() override;
37 
38   ndk::ScopedAStatus tearDown() override;
39 
40   android::base::Result<void> Start();
41 
42  private:
43   android::base::Result<void> SetUpChroot(const std::optional<std::string>& ota_slot,
44                                           bool map_snapshots_for_ota) const REQUIRES(mu_);
45 
46   android::base::Result<void> InitChroot() const REQUIRES(mu_);
47 
48   android::base::Result<void> TearDownChroot() const REQUIRES(mu_);
49 
50   std::mutex mu_;
51 };
52 
53 std::string PathInChroot(std::string_view path);
54 
55 }  // namespace dexopt_chroot_setup
56 }  // namespace art
57 
58 #endif  // ART_DEXOPT_CHROOT_SETUP_DEXOPT_CHROOT_SETUP_H_
59