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 #ifndef OHOS_RELATIONSHIP_SYNC_MGR_H
17 #define OHOS_RELATIONSHIP_SYNC_MGR_H
18 
19 #include <cinttypes>
20 #include <string>
21 #include "cJSON.h"
22 #include "dm_single_instance.h"
23 namespace OHOS {
24 namespace DistributedHardware {
25 enum class RelationShipChangeType : uint32_t {
26     ACCOUNT_LOGOUT = 0,
27     DEVICE_UNBIND = 1,
28     APP_UNBIND = 2,
29     SERVICE_UNBIND = 3,
30     DEL_USER = 4,
31     APP_UNINSTALL = 5,
32     TYPE_MAX = 6
33 };
34 
35 struct RelationShipChangeMsg {
36     RelationShipChangeType type;
37     uint32_t userId;
38     std::string accountId;
39     uint64_t tokenId;
40     std::vector<std::string> peerUdids;
41     std::string peerUdid;
42     std::string accountName;
43 
44     explicit RelationShipChangeMsg();
45     bool ToBroadcastPayLoad(uint8_t *&msg, uint32_t &len) const;
46     bool FromBroadcastPayLoad(const cJSON *payloadJson, RelationShipChangeType type);
47     bool IsValid() const;
48     bool IsChangeTypeValid();
49     bool IsChangeTypeValid(uint32_t type);
50     void ToAccountLogoutPayLoad(uint8_t *&msg, uint32_t &len) const;
51     void ToDeviceUnbindPayLoad(uint8_t *&msg, uint32_t &len) const;
52     void ToAppUnbindPayLoad(uint8_t *&msg, uint32_t &len) const;
53     cJSON *ToArrayJson() const;
54 
55     bool FromAccountLogoutPayLoad(const cJSON *payloadJson);
56     bool FromDeviceUnbindPayLoad(const cJSON *payloadJson);
57     bool FromAppUnbindPayLoad(const cJSON *payloadJson);
58 
59     std::string ToJson() const;
60     bool FromJson(const std::string &msgJson);
61 };
62 
63 class ReleationShipSyncMgr {
64 DM_DECLARE_SINGLE_INSTANCE(ReleationShipSyncMgr);
65 public:
66     std::string SyncTrustRelationShip(const RelationShipChangeMsg &msg);
67     RelationShipChangeMsg ParseTrustRelationShipChange(const std::string &msgJson);
68 };
69 
70 } // DistributedHardware
71 } // OHOS
72 #endif // OHOS_RELATIONSHIP_SYNC_MGR_H