1 /*
2  * Copyright 2023 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 #pragma once
18 
19 #include "common/libs/fs/shared_fd.h"
20 #include "common/libs/transport/channel.h"
21 
22 namespace cuttlefish {
23 namespace transport {
24 
25 class SharedFdChannel : public Channel {
26  public:
27   SharedFdChannel(SharedFD input, SharedFD output);
28   Result<void> SendRequest(RawMessage& message) override;
29   Result<void> SendResponse(RawMessage& message) override;
30   Result<ManagedMessage> ReceiveMessage() override;
31   Result<int> WaitForMessage() override;
32 
33  private:
34   SharedFD input_;
35   SharedFD output_;
36 
37   Result<void> SendMessage(RawMessage& message, bool response);
38 };
39 
40 }  // namespace transport
41 }  // namespace cuttlefish