1#pragma once
2/*
3 * Copyright (C) 2017 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#include <inttypes.h>
19#include <unistd.h>
20#include <memory>
21
22#include "common/libs/fs/shared_fd.h"
23#include "host/libs/ivserver/vsocsharedmem.h"
24
25namespace ivserver {
26
27// Handles a HAL deamon client connection & handshake.
28class HaldClient final {
29 public:
30  static std::unique_ptr<HaldClient> New(const VSoCSharedMemory &shared_mem,
31                                         const cvd::SharedFD &client_fd);
32
33 private:
34  cvd::SharedFD client_socket_;
35
36  // Initialize new instance of HAL Client.
37  HaldClient(const cvd::SharedFD &client_fd);
38
39  // Perform handshake with HAL Client.
40  // If the region is not found approprate status (-1) is sent.
41  // Note that for every new client connected a unique ClientConnection object
42  // will be created and after the handshake it will be destroyed.
43  bool PerformHandshake(const VSoCSharedMemory &shared_mem);
44
45  HaldClient(const HaldClient &) = delete;
46  HaldClient &operator=(const HaldClient &) = delete;
47};
48
49}  // namespace ivserver
50