1 /*
2 * Copyright (c) 2024 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 #include "power_mgr_async_reply.h"
17 #include "power_common.h"
18
19 namespace OHOS {
20 namespace PowerMgr {
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)21 int PowerMgrStubAsync::OnRemoteRequest(uint32_t code, MessageParcel& data, MessageParcel& reply, MessageOption& option)
22 {
23 POWER_HILOGI(COMP_FWK, "code=%{public}u, flags=%{public}d", code, option.GetFlags());
24 int result = ERR_OK;
25 switch (code) {
26 case SEND_ASYNC_REPLY: {
27 int32_t replyData = data.ReadInt32();
28 SendAsyncReply(replyData);
29 break;
30 }
31 default:
32 result = IPCObjectStub::OnRemoteRequest(code, data, reply, option);
33 break;
34 }
35
36 return result;
37 }
38
SendAsyncReply(int replyValue)39 void PowerMgrStubAsync::SendAsyncReply(int replyValue)
40 {
41 std::unique_lock<std::mutex> lck(mutex_);
42 asyncReply_ = replyValue;
43 notified = true;
44 lck.unlock();
45 cv_.notify_all();
46 }
47
WaitForAsyncReply(int timeout)48 int PowerMgrStubAsync::WaitForAsyncReply(int timeout)
49 {
50 std::unique_lock<std::mutex> lck(mutex_);
51 cv_.wait_for(lck, std::chrono::milliseconds(timeout), [this]() {
52 return notified;
53 });
54 return asyncReply_;
55 }
56
SendAsyncReply(int replyValue)57 void PowerMgrProxyAsync::SendAsyncReply(int replyValue)
58 {
59 sptr<IRemoteObject> remote = Remote();
60 RETURN_IF(remote == nullptr);
61 MessageParcel data;
62 MessageParcel reply;
63 MessageOption option = { MessageOption::TF_ASYNC };
64 data.WriteInt32(replyValue);
65 remote->SendRequest(SEND_ASYNC_REPLY, data, reply, option);
66 }
67 } // namespace PowerMgr
68 } // namespace OHOS