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 
25 namespace OHOS {
26 namespace HDI {
27 namespace Bluetooth {
28 namespace Hci {
29 class HciProtocol {
30 public:
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 
40 protected:
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 */