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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 #define LOG_TAG "RdbNotifierStub"
16 #include "rdb_notifier_stub.h"
17 
18 #include <ipc_skeleton.h>
19 
20 #include "itypes_util.h"
21 #include "logger.h"
22 
23 namespace OHOS::DistributedRdb {
24 using namespace OHOS::Rdb;
25 
RdbNotifierStub(const SyncCompleteHandler & completeNotifier,const AutoSyncCompleteHandler & autoSyncCompleteHandler,const DataChangeHandler & changeNotifier)26 RdbNotifierStub::RdbNotifierStub(const SyncCompleteHandler &completeNotifier,
27     const AutoSyncCompleteHandler &autoSyncCompleteHandler, const DataChangeHandler &changeNotifier)
28     : IRemoteStub<RdbNotifierStubBroker>(), completeNotifier_(completeNotifier),
29       autoSyncCompleteHandler_(autoSyncCompleteHandler), changeNotifier_(changeNotifier)
30 {
31 }
32 
~RdbNotifierStub()33 RdbNotifierStub::~RdbNotifierStub() noexcept
34 {
35 }
36 
CheckInterfaceToken(MessageParcel & data)37 bool RdbNotifierStub::CheckInterfaceToken(MessageParcel &data)
38 {
39     auto localDescriptor = GetDescriptor();
40     auto remoteDescriptor = data.ReadInterfaceToken();
41     if (remoteDescriptor != localDescriptor) {
42         LOG_ERROR("interface token is not equal.");
43         return false;
44     }
45     return true;
46 }
47 
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)48 int RdbNotifierStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
49 {
50     LOG_DEBUG("code:%{public}u, callingPid:%{public}d", code, IPCSkeleton::GetCallingPid());
51     if (!CheckInterfaceToken(data)) {
52         return RDB_ERROR;
53     }
54 
55     if (code < static_cast<uint32_t>(NotifierIFCode::RDB_NOTIFIER_CMD_MAX)) {
56         return (this->*HANDLES[code])(data, reply);
57     }
58 
59     return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
60 }
61 
OnCompleteInner(MessageParcel & data,MessageParcel & reply)62 int32_t RdbNotifierStub::OnCompleteInner(MessageParcel &data, MessageParcel &reply)
63 {
64     uint32_t seqNum = 0;
65     Details result;
66     if (!ITypesUtil::Unmarshal(data, seqNum, result)) {
67         LOG_ERROR("read sync result failed.");
68         return RDB_ERROR;
69     }
70     return OnComplete(seqNum, std::move(result));
71 }
72 
OnComplete(uint32_t seqNum,Details && result)73 int32_t RdbNotifierStub::OnComplete(uint32_t seqNum, Details &&result)
74 {
75     if (completeNotifier_) {
76         completeNotifier_(seqNum, std::move(result));
77     }
78     return RDB_OK;
79 }
80 
OnComplete(const std::string & storeName,Details && result)81 int32_t RdbNotifierStub::OnComplete(const std::string &storeName, Details &&result)
82 {
83     if (autoSyncCompleteHandler_) {
84         autoSyncCompleteHandler_(storeName, std::move(result));
85     }
86     return RDB_OK;
87 }
88 
OnChange(const Origin & origin,const PrimaryFields & primaries,ChangeInfo && changeInfo)89 int32_t RdbNotifierStub::OnChange(const Origin &origin, const PrimaryFields &primaries, ChangeInfo &&changeInfo)
90 {
91     if (changeNotifier_ != nullptr) {
92         changeNotifier_(origin, primaries, std::move(changeInfo));
93     }
94     return RDB_OK;
95 }
96 
OnChangeInner(MessageParcel & data,MessageParcel & reply)97 int32_t RdbNotifierStub::OnChangeInner(MessageParcel &data, MessageParcel &reply)
98 {
99     Origin origin;
100     PrimaryFields primaries;
101     ChangeInfo changeInfo;
102     if (!ITypesUtil::Unmarshal(data, origin, primaries, changeInfo)) {
103         LOG_ERROR("read sync result failed.");
104         return RDB_ERROR;
105     }
106     return OnChange(origin, primaries, std::move(changeInfo));
107 }
108 
OnAutoSyncCompleteInner(MessageParcel & data,MessageParcel & reply)109 int32_t RdbNotifierStub::OnAutoSyncCompleteInner(MessageParcel &data, MessageParcel &reply)
110 {
111     std::string storeName;
112     Details result;
113     if (!ITypesUtil::Unmarshal(data, storeName, result)) {
114         LOG_ERROR("read sync result failed.");
115         return RDB_ERROR;
116     }
117     return OnComplete(storeName, std::move(result));
118 }
119 } // namespace OHOS::DistributedRdb
120