1 /*
2  * Copyright (C) 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 EXPAND_SUB_SESSION_H
17 #define EXPAND_SUB_SESSION_H
18 
19 #include "base_cmd.h"
20 
21 typedef enum {
22     EXPAND_STATE_INIT = 0,
23     EXPAND_STATE_RUNNING = 1,
24     EXPAND_STATE_FINISH = 2,
25 } ExpandStatus;
26 
27 typedef struct ExpandSubSession ExpandSubSession;
28 struct ExpandSubSession {
29     int32_t state;
30     int32_t (*addCmd)(ExpandSubSession *self, int32_t cmdType,
31         void *params, bool isClient, int32_t strategy);
32     int32_t (*start)(ExpandSubSession *self, CJson **returnSendMsg);
33     int32_t (*process)(ExpandSubSession *self, const CJson *receviedMsg, CJson **returnSendMsg);
34     void (*destroy)(ExpandSubSession *self);
35 };
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 bool IsCmdSupport(int32_t cmdId);
42 int32_t CreateExpandSubSession(const Uint8Buff *nonce, const Uint8Buff *encKey, ExpandSubSession **returnObj);
43 
44 #ifdef __cplusplus
45 }
46 #endif
47 #endif
48