1/*
2 * Copyright (C) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef OHOS_HDI_BLUETOOTH_HCI_HCI_PROTOCOL_H
17#define OHOS_HDI_BLUETOOTH_HCI_HCI_PROTOCOL_H
18
19#include <cstdio>
20#include <vector>
21
22#include <functional>
23#include "hci_internal.h"
24
25namespace OHOS {
26namespace HDI {
27namespace Bluetooth {
28namespace Hci {
29class HciProtocol {
30public:
31    using HciDataCallback = std::function<void(const std::vector<uint8_t> &data)>;
32
33    HciProtocol() = default;
34    virtual ~HciProtocol() = default;
35
36    virtual ssize_t SendPacket(HciPacketType packetType, const std::vector<uint8_t> &packetData) = 0;
37
38    const PacketHeader& GetPacketHeaderInfo(HciPacketType packetType);
39
40protected:
41    static ssize_t Read(int fd, uint8_t *data, size_t length);
42    static ssize_t Write(int fd, const uint8_t *data, size_t length);
43
44    static const PacketHeader header_[HCI_PACKET_TYPE_MAX];
45};
46}  // namespace Hci
47}  // namespace Bluetooth
48}  // namespace HDI
49}  // namespace OHOS
50#endif /* OHOS_HDI_BLUETOOTH_HCI_HCI_PROTOCOL_H */