1 /*
2  * Copyright (C) 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 #include "bluetooth_errorcode.h"
16 #include "bluetooth_pan_stub.h"
17 #include "bluetooth_log.h"
18 
19 namespace OHOS {
20 namespace Bluetooth {
21 const uint32_t PAN_DEVICES_STATES_MAX_NUMS = 0XFF;
BluetoothPanStub()22 BluetoothPanStub::BluetoothPanStub()
23 {
24     HILOGD("start.");
25     memberFuncMap_[static_cast<uint32_t>(COMMAND_DISCONNECT)] =
26         &BluetoothPanStub::DisconnectInner;
27     memberFuncMap_[static_cast<uint32_t>(COMMAND_GET_DEVICE_STATE)] =
28         &BluetoothPanStub::GetDeviceStateInner;
29     memberFuncMap_[static_cast<uint32_t>(COMMAND_GET_DEVICES_BY_STATES)] =
30         &BluetoothPanStub::GetDevicesByStatesInner;
31     memberFuncMap_[static_cast<uint32_t>(COMMAND_REGISTER_OBSERVER)] =
32         &BluetoothPanStub::RegisterObserverInner;
33     memberFuncMap_[static_cast<uint32_t>(COMMAND_DEREGISTER_OBSERVER)] =
34         &BluetoothPanStub::DeregisterObserverInner;
35     memberFuncMap_[static_cast<uint32_t>(COMMAND_SET_TETHERING)] =
36         &BluetoothPanStub::SetTetheringInner;
37     memberFuncMap_[static_cast<uint32_t>(COMMAND_IS_TETHERING_ON)] =
38         &BluetoothPanStub::IsTetheringOnInner;
39     HILOGD("ends.");
40 }
41 
~BluetoothPanStub()42 BluetoothPanStub::~BluetoothPanStub()
43 {
44     HILOGD("start.");
45     memberFuncMap_.clear();
46 }
47 
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)48 int BluetoothPanStub::OnRemoteRequest(
49     uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
50 {
51     HILOGI("BluetoothPanStub::OnRemoteRequest, cmd = %{public}d, flags= %{public}d", code, option.GetFlags());
52     if (BluetoothPanStub::GetDescriptor() != data.ReadInterfaceToken()) {
53         HILOGE("local descriptor is not equal to remote");
54         return IPC_INVOKER_TRANSLATE_ERR;
55     }
56     auto itFunc = memberFuncMap_.find(code);
57     if (itFunc != memberFuncMap_.end()) {
58         auto memberFunc = itFunc->second;
59         if (memberFunc != nullptr) {
60             return (this->*memberFunc)(data, reply);
61         }
62     }
63     HILOGW("BluetoothHfpHfStub::OnRemoteRequest, default case, need check.");
64     return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
65 }
66 
DisconnectInner(MessageParcel & data,MessageParcel & reply)67 int32_t BluetoothPanStub::DisconnectInner(MessageParcel &data, MessageParcel &reply)
68 {
69     std::shared_ptr<BluetoothRawAddress> device(data.ReadParcelable<BluetoothRawAddress>());
70     if (!device) {
71         return BT_ERR_IPC_TRANS_FAILED;
72     }
73     int32_t errCode = Disconnect(*device);
74     // write error code
75     if (!reply.WriteInt32(errCode)) {
76         HILOGE("reply write failed.");
77         return BT_ERR_IPC_TRANS_FAILED;
78     }
79     return NO_ERROR;
80 }
81 
GetDeviceStateInner(MessageParcel & data,MessageParcel & reply)82 int32_t BluetoothPanStub::GetDeviceStateInner(MessageParcel &data, MessageParcel &reply)
83 {
84     std::shared_ptr<BluetoothRawAddress> device(data.ReadParcelable<BluetoothRawAddress>());
85     if (!device) {
86         return BT_ERR_IPC_TRANS_FAILED;
87     }
88     int32_t state;
89     int32_t errCode = GetDeviceState(*device, state);
90     // write error code
91     if (!reply.WriteInt32(errCode)) {
92         HILOGE("reply write failed.");
93         return BT_ERR_IPC_TRANS_FAILED;
94     }
95     if (errCode != NO_ERROR) {
96         HILOGE("internal error.");
97         return BT_ERR_INTERNAL_ERROR;
98     }
99     // write state
100     if (!reply.WriteInt32(state)) {
101         HILOGE("reply write failed.");
102         return BT_ERR_IPC_TRANS_FAILED;
103     }
104     return NO_ERROR;
105 }
106 
GetDevicesByStatesInner(MessageParcel & data,MessageParcel & reply)107 int32_t BluetoothPanStub::GetDevicesByStatesInner(MessageParcel &data, MessageParcel &reply)
108 {
109     std::vector<int32_t> states = {};
110     int32_t stateSize = data.ReadInt32();
111     if (static_cast<uint32_t>(stateSize) > PAN_DEVICES_STATES_MAX_NUMS) {
112         return ERR_INVALID_STATE;
113     }
114     for (int i = 0; i < stateSize; i++) {
115         int32_t state = data.ReadInt32();
116         states.push_back(state);
117     }
118     std::vector<BluetoothRawAddress> rawAdds;
119     int32_t errCode = GetDevicesByStates(states, rawAdds);
120     // write error code
121     if (!reply.WriteInt32(errCode)) {
122         HILOGE("reply write failed.");
123         return BT_ERR_IPC_TRANS_FAILED;
124     }
125     if (errCode != NO_ERROR) {
126         HILOGE("internal error.");
127         return BT_ERR_INTERNAL_ERROR;
128     }
129     // write size
130     if (!reply.WriteInt32(rawAdds.size())) {
131         HILOGE("reply write failed.");
132         return BT_ERR_IPC_TRANS_FAILED;
133     }
134     // write devices
135     for (auto rawAdd : rawAdds) {
136         if (!reply.WriteParcelable(&rawAdd)) {
137             return BT_ERR_IPC_TRANS_FAILED;
138         }
139     }
140     return NO_ERROR;
141 }
142 
RegisterObserverInner(MessageParcel & data,MessageParcel & reply)143 ErrCode BluetoothPanStub::RegisterObserverInner(MessageParcel &data, MessageParcel &reply)
144 {
145     HILOGD("BluetoothPanStub::RegisterObserverInner");
146     sptr<IRemoteObject> remote = data.ReadRemoteObject();
147     const sptr<IBluetoothPanObserver> observer = OHOS::iface_cast<IBluetoothPanObserver>(remote);
148     RegisterObserver(observer);
149     return NO_ERROR;
150 }
151 
DeregisterObserverInner(MessageParcel & data,MessageParcel & reply)152 ErrCode BluetoothPanStub::DeregisterObserverInner(MessageParcel &data, MessageParcel &reply)
153 {
154     HILOGD("BluetoothPanStub::DeregisterObserverInner");
155     sptr<IRemoteObject> remote = data.ReadRemoteObject();
156     const sptr<IBluetoothPanObserver> observer = OHOS::iface_cast<IBluetoothPanObserver>(remote);
157     DeregisterObserver(observer);
158     return NO_ERROR;
159 }
160 
SetTetheringInner(MessageParcel & data,MessageParcel & reply)161 int32_t BluetoothPanStub::SetTetheringInner(MessageParcel &data, MessageParcel &reply)
162 {
163     const bool value = data.ReadBool();
164     int32_t errCode = SetTethering(value);
165     // write error code
166     if (!reply.WriteInt32(errCode)) {
167         HILOGE("reply write failed.");
168         return BT_ERR_IPC_TRANS_FAILED;
169     }
170     return NO_ERROR;
171 }
172 
IsTetheringOnInner(MessageParcel & data,MessageParcel & reply)173 int32_t BluetoothPanStub::IsTetheringOnInner(MessageParcel &data, MessageParcel &reply)
174 {
175     bool result = false;
176     int32_t errCode = IsTetheringOn(result);
177     // write error code
178     if (!reply.WriteInt32(errCode)) {
179         HILOGE("reply write failed.");
180         return BT_ERR_IPC_TRANS_FAILED;
181     }
182     if (errCode != NO_ERROR) {
183         HILOGE("internal error.");
184         return BT_ERR_INTERNAL_ERROR;
185     }
186     // write result
187     if (!reply.WriteInt32(result)) {
188         HILOGE("reply write failed.");
189         return BT_ERR_IPC_TRANS_FAILED;
190     }
191 
192     return NO_ERROR;
193 }
194 }  // namespace Bluetooth
195 }  // namespace OHOS