| // 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. |
| |
| #pragma once |
| |
| #include <poll.h> |
| |
| #include <string> |
| #include <vector> |
| |
| #include "snapuserd_server.h" |
| |
| namespace android { |
| namespace snapshot { |
| |
| class Daemon { |
| // The Daemon class is a singleton to avoid |
| // instantiating more than once |
| public: |
| Daemon() {} |
| |
| static Daemon& Instance() { |
| static Daemon instance; |
| return instance; |
| } |
| |
| bool StartServer(int argc, char** argv); |
| void Run(); |
| void Interrupt(); |
| |
| private: |
| // Signal mask used with ppoll() |
| sigset_t signal_mask_; |
| |
| Daemon(Daemon const&) = delete; |
| void operator=(Daemon const&) = delete; |
| |
| SnapuserdServer server_; |
| void MaskAllSignalsExceptIntAndTerm(); |
| void MaskAllSignals(); |
| static void SignalHandler(int signal); |
| }; |
| |
| } // namespace snapshot |
| } // namespace android |