1 /*
2  * Copyright (c) 2020-2021 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 RECORDER_SERVICE_H
17 #define RECORDER_SERVICE_H
18 
19 #include "ipc_skeleton.h"
20 #include "recorder_common.h"
21 #include "recorder_impl.h"
22 #include "serializer.h"
23 
24 namespace OHOS {
25 namespace Media {
26 /* Since IPC is serialized, there is no concurrency problem */
27 class RecorderClientMng {
28 public:
29     ~RecorderClientMng() = default;
30 
31     static RecorderClientMng *GetInstance();
32     RecorderImpl *GetRecorder(pid_t pid);
33     bool AcceptClient(pid_t pid);
34     void DropClient(pid_t pid);
35     void Dispatch(int32_t funcId, pid_t pid, IpcIo *req, IpcIo *reply);
36 
37 private:
38     RecorderClientMng() = default;
39     SvcIdentity svc_;
40     pid_t client_ = -1;
41     RecorderImpl *rec_ = nullptr;
42 };
43 
44 class RecorderCallbackClient : public RecorderCallback {
45 public:
46     RecorderCallbackClient() = delete;
47     ~RecorderCallbackClient() = default;
RecorderCallbackClient(SvcIdentity * sid)48     RecorderCallbackClient(SvcIdentity *sid) : sid_(*sid) {}
49 
50     void OnError(int32_t errorType, int32_t errorCode) override;
51     void OnInfo(int32_t type, int32_t extra) override;
52 
53 private:
54     SvcIdentity sid_;
55 };
56 
57 void RecorderServiceReg();
58 }  // namespace Media
59 }  // namespace OHOS
60 #endif  // RECORDER_SERVICE_H
61