1 /*
2 * Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development 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 #include "nfc_controller_callback_stub.h"
17
18 #include "nfc_sdk_common.h"
19 #include "nfc_service_ipc_interface_code.h"
20 #include "loghelper.h"
21
22 namespace OHOS {
23 namespace NFC {
NfcControllerCallBackStub()24 NfcControllerCallBackStub::NfcControllerCallBackStub() : callback_(nullptr), mRemoteDied(false)
25 {}
26
~NfcControllerCallBackStub()27 NfcControllerCallBackStub::~NfcControllerCallBackStub()
28 {}
29
GetInstance()30 NfcControllerCallBackStub& NfcControllerCallBackStub::GetInstance()
31 {
32 static NfcControllerCallBackStub nfcControllerCallBackStub;
33 return nfcControllerCallBackStub;
34 }
35
OnNfcStateChanged(int nfcRfState)36 void NfcControllerCallBackStub::OnNfcStateChanged(int nfcRfState)
37 {
38 if (callback_) {
39 DebugLog("NfcControllerCallBackStub callback_");
40 callback_->OnNfcStateChanged(nfcRfState);
41 }
42 }
43
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)44 int NfcControllerCallBackStub::OnRemoteRequest(
45 uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
46 {
47 DebugLog("NfcControllerCallBackStub::OnRemoteRequest,code = %{public}d", code);
48 if (mRemoteDied) {
49 return KITS::ERR_NFC_STATE_UNBIND;
50 }
51 if (data.ReadInterfaceToken() != GetDescriptor()) {
52 ErrorLog("NfcControllerCallBackStub::OnRemoteRequest, nfc callback stub token verification error");
53 return KITS::ERR_NFC_PARAMETERS;
54 }
55 int exception = data.ReadInt32();
56 if (exception) {
57 ErrorLog("NfcControllerCallBackStub::OnRemoteRequest, got exception: (%{public}d))", exception);
58 return exception;
59 }
60 int ret = KITS::ERR_NFC_STATE_UNBIND;
61 switch (code) {
62 case static_cast<uint32_t>(NfcServiceIpcInterfaceCode::COMMAND_ON_NOTIFY): {
63 ret = RemoteNfcStateChanged(data, reply);
64 break;
65 }
66 default: {
67 ret = IPCObjectStub::OnRemoteRequest(code, data, reply, option);
68 break;
69 }
70 }
71 return ret;
72 }
73
RegisterCallBack(const sptr<INfcControllerCallback> & callBack)74 KITS::ErrorCode NfcControllerCallBackStub::RegisterCallBack(const sptr<INfcControllerCallback> &callBack)
75 {
76 DebugLog("NfcControllerCallBackStub RegisterCallBack");
77 if (callback_ != nullptr) {
78 ErrorLog("NfcControllerCallBackStub:Callback_ has registered!");
79 return KITS::ERR_NFC_PARAMETERS;
80 }
81 std::unique_lock<std::shared_mutex> guard(callbackMutex);
82 if (callBack == nullptr) {
83 ErrorLog("RegisterUserCallBack:callBack is nullptr!");
84 callback_ = callBack;
85 return KITS::ERR_NFC_PARAMETERS;
86 }
87 callback_ = callBack;
88 return KITS::ERR_NONE;
89 }
90
RemoteNfcStateChanged(MessageParcel & data,MessageParcel & reply)91 int NfcControllerCallBackStub::RemoteNfcStateChanged(MessageParcel &data, MessageParcel &reply)
92 {
93 int state = data.ReadInt32();
94 std::unique_lock<std::shared_mutex> guard(callbackMutex);
95 InfoLog("callback state = %{public}d", state);
96 OnNfcStateChanged(state);
97 reply.WriteInt32(KITS::ERR_NONE); /* Reply 0 to indicate that no exception occurs. */
98 return KITS::ERR_NONE;
99 }
100 } // namespace NFC
101 } // namespace OHOS