1 /*
2  * Copyright (c) 2021-2024 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 #ifndef MESSAGE_HANDLER_H
17 #define MESSAGE_HANDLER_H
18 
19 #include <stdbool.h>
20 #include <stdint.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 typedef struct SoftBusMessage SoftBusMessage;
27 typedef struct SoftBusHandler SoftBusHandler;
28 typedef struct SoftBusLooperContext SoftBusLooperContext;
29 typedef struct SoftBusLooper SoftBusLooper;
30 
31 struct SoftBusLooper {
32     SoftBusLooperContext *context;
33     bool dumpable;
34     void (*PostMessage)(const SoftBusLooper *looper, SoftBusMessage *msg);
35     void (*PostMessageDelay)(const SoftBusLooper *looper, SoftBusMessage *msg, uint64_t delayMillis);
36     void (*RemoveMessage)(const SoftBusLooper *looper, const SoftBusHandler *handler, int32_t what);
37     // customFunc, when match, return 0
38     void (*RemoveMessageCustom)(const SoftBusLooper *looper, const SoftBusHandler *handler,
39         int32_t (*)(const SoftBusMessage*, void*), void *args);
40 };
41 
42 struct SoftBusHandler {
43     char *name;
44     SoftBusLooper *looper;
45     void (*HandleMessage)(SoftBusMessage *msg);
46 };
47 
48 struct SoftBusMessage {
49     int32_t what;
50     uint64_t arg1;
51     uint64_t arg2;
52     int64_t time;
53     void *obj;
54     SoftBusHandler *handler;
55     void (*FreeMessage)(SoftBusMessage *msg);
56 };
57 
58 SoftBusMessage *MallocMessage(void);
59 
60 void FreeMessage(SoftBusMessage *msg);
61 
62 enum LooperType {
63     LOOP_TYPE_DEFAULT = 1,
64     LOOP_TYPE_CONN,
65     LOOP_TYPE_LNN
66 };
67 
68 SoftBusLooper *GetLooper(int looper);
69 
70 int LooperInit(void);
71 
72 void SetLooper(int type, SoftBusLooper *looper);
73 
74 void LooperDeinit(void);
75 
76 void DumpLooper(const SoftBusLooper *looper);
77 
78 SoftBusLooper *CreateNewLooper(const char *name);
79 
80 void DestroyLooper(SoftBusLooper *looper);
81 
82 void SetLooperDumpable(SoftBusLooper *looper, bool dumpable);
83 
84 #ifdef __cplusplus
85 }
86 #endif
87 
88 #endif /* MESSAGE_HANDLER_H */
89