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 #ifndef LOG_TAG
16 #define LOG_TAG "bt_ipc_parcel_gatt_desc"
17 #endif
18
19 #include "securec.h"
20 #include "bluetooth_bt_uuid.h"
21 #include "bluetooth_gatt_descriptor_parcel.h"
22 #include "bluetooth_log.h"
23
24 namespace OHOS {
25 namespace Bluetooth {
26 const uint32_t GATT_DESCRIPTOR_PARCEL_SIZE_MAX = 0x100;
Marshalling(Parcel & parcel) const27 bool BluetoothGattDescriptor::Marshalling(Parcel &parcel) const
28 {
29 if (!parcel.WriteUint16(handle_)) {
30 return false;
31 }
32 if (!parcel.WriteInt32(permissions_)) {
33 return false;
34 }
35 if (!parcel.WriteUint32(length_)) {
36 return false;
37 }
38 for (size_t i = 0; i < length_; i++) {
39 if (!parcel.WriteUint8(value_[i])) {
40 return false;
41 }
42 }
43 BluetoothUuid uuid(uuid_);
44 if (!parcel.WriteParcelable(&uuid)) {
45 return false;
46 }
47 return true;
48 }
49
Unmarshalling(Parcel & parcel)50 BluetoothGattDescriptor *BluetoothGattDescriptor::Unmarshalling(Parcel &parcel)
51 {
52 BluetoothGattDescriptor *descriptor = new BluetoothGattDescriptor();
53 if (descriptor != nullptr && !descriptor->ReadFromParcel(parcel)) {
54 delete descriptor;
55 descriptor = nullptr;
56 }
57 return descriptor;
58 }
59
WriteToParcel(Parcel & parcel)60 bool BluetoothGattDescriptor::WriteToParcel(Parcel &parcel)
61 {
62 return Marshalling(parcel);
63 }
64
ReadFromParcel(Parcel & parcel)65 bool BluetoothGattDescriptor::ReadFromParcel(Parcel &parcel)
66 {
67 if (!parcel.ReadUint16(handle_)) {
68 return false;
69 }
70 if (!parcel.ReadInt32(permissions_)) {
71 return false;
72 }
73 uint32_t length;
74 if (!parcel.ReadUint32(length) || length > GATT_DESCRIPTOR_PARCEL_SIZE_MAX) {
75 HILOGE("read parcel length error, length=0x%{public}x", length);
76 return false;
77 }
78 length_ = length;
79 if (length > 0) {
80 uint8_t value[length_];
81 for (size_t i = 0; i < length_; i++) {
82 if (!parcel.ReadUint8(value[i])) {
83 return false;
84 }
85 }
86 value_ = std::make_unique<uint8_t[]>(length);
87 if (memcpy_s(value_.get(), length, value, length_) != EOK) {
88 HILOGE("BluetoothGattDescriptor::ReadFromParcel error");
89 return false;
90 }
91 }
92
93 std::shared_ptr<BluetoothUuid> uuid(parcel.ReadParcelable<BluetoothUuid>());
94 if (!uuid) {
95 return false;
96 }
97 uuid_ = bluetooth::Uuid(*uuid);
98 return true;
99 }
100 } // namespace Bluetooth
101 } // namespace OHOS
102