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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 
16 #ifndef OHOS_AVSESSION_TRACE_H
17 #define OHOS_AVSESSION_TRACE_H
18 
19 #include <string>
20 
21 #ifdef ENBABLE_AVSESSION_TRACE_CONTROL
22 #include "hitrace_meter.h"
23 #endif
24 
25 #ifdef ENBABLE_AVSESSION_TRACE_CONTROL
26 #define AVSESSION_TRACE_SYNC_START(traceName) AVSessionTrace trace(traceName)
27 #define AVSESSION_TRACE_ASYNC_START(traceName, taskId) AVSessionTrace::TraceBegin(traceName, taskId)
28 #define AVSESSION_TRACE_ASYNC_END(traceName, taskId) AVSessionTrace::TraceEnd(traceName, taskId)
29 #else
30 #define AVSESSION_TRACE_SYNC_START(...)
31 #define AVSESSION_TRACE_ASYNC_START(...)
32 #define AVSESSION_TRACE_ASYNC_END(...)
33 
34 #endif
35 namespace OHOS::AVSession {
36 enum AVSessionTraceTaskId : int32_t {
37     INVALID_TASK_ID = -1,
38     NAPI_SET_AV_META_DATA_TASK_ID = 0,
39     NAPI_SET_AV_PLAYBACK_STATE_TASK_ID = 1,
40     NAPI_SEND_AV_KEY_EVENT_TASK_ID = 2,
41     NAPI_SEND_CONTROL_COMMAND_TASK_ID = 3,
42     NAPI_CREATE_AVSESSION_TASK_ID = 4,
43     NAPI_CREATE_CONTROLLER_TASK_ID = 5,
44     NAPI_SEND_SYSTEM_AV_KEY_EVENT_TASK_ID = 6,
45     NAPI_SEND_SYSTEM_CONTROL_COMMAND_TASK_ID = 7,
46     NAPI_CAST_AUDIO_TASK_ID = 8
47 };
48 #ifdef ENBABLE_AVSESSION_TRACE_CONTROL
49 class __attribute__((visibility("default"))) AVSessionTrace {
50 public:
AVSessionTrace(const std::string & traceName)51     explicit AVSessionTrace(const std::string& traceName)
52     {
53         std::string avSessionTrace("AVSession:");
54         avSessionTrace += traceName;
55         StartTrace(HITRACE_TAG_ZMEDIA, avSessionTrace);
56         isSync_ = true;
57     }
58 
TraceBegin(const std::string & traceName,int32_t taskId)59     static void TraceBegin(const std::string& traceName, int32_t taskId)
60     {
61         if (taskId <= INVALID_TASK_ID) {
62             return;
63         }
64         std::string traceBegin("AVSession:");
65         traceBegin += traceName;
66         StartAsyncTrace(HITRACE_TAG_ZMEDIA, traceBegin, taskId);
67     }
68 
TraceEnd(const std::string & traceName,int32_t taskId)69     static void TraceEnd(const std::string& traceName, int32_t taskId)
70     {
71         if (taskId <= INVALID_TASK_ID) {
72             return;
73         }
74         std::string traceEnd("AVSession:");
75         traceEnd += traceName;
76         FinishAsyncTrace(HITRACE_TAG_ZMEDIA, traceEnd, taskId);
77     }
78 
~AVSessionTrace()79     ~AVSessionTrace()
80     {
81         if (isSync_) {
82             FinishTrace(HITRACE_TAG_ZMEDIA);
83         }
84     }
85 
86     AVSessionTrace(const AVSessionTrace&) = delete;
87     AVSessionTrace& operator = (const AVSessionTrace&) = delete;
88 
89     AVSessionTrace(AVSessionTrace&&) = delete;
90     AVSessionTrace& operator = (AVSessionTrace&&) = delete;
91 private:
92     bool isSync_ = false;
93 };
94 #endif
95 } // namespace OHOS::AVSession
96 #endif // OHOS_AVSESSION_TRACE_H