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 #include "dataobs_mgr_stub.h"
17
18 #include "string_ex.h"
19
20 #include "data_ability_observer_proxy.h"
21 #include "dataobs_mgr_errors.h"
22 #include "ipc_skeleton.h"
23 #include "common_utils.h"
24 #include "hilog_tag_wrapper.h"
25
26 namespace OHOS {
27 namespace AAFwk {
28 using Uri = OHOS::Uri;
29
30 const DataObsManagerStub::RequestFuncType DataObsManagerStub::HANDLES[TRANS_BUTT] = {
31 &DataObsManagerStub::RegisterObserverInner,
32 &DataObsManagerStub::UnregisterObserverInner,
33 &DataObsManagerStub::NotifyChangeInner,
34 &DataObsManagerStub::RegisterObserverExtInner,
35 &DataObsManagerStub::UnregisterObserverExtInner,
36 &DataObsManagerStub::UnregisterObserverExtALLInner,
37 &DataObsManagerStub::NotifyChangeExtInner
38 };
39
DataObsManagerStub()40 DataObsManagerStub::DataObsManagerStub() {}
41
~DataObsManagerStub()42 DataObsManagerStub::~DataObsManagerStub() {}
43
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)44 int DataObsManagerStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
45 {
46 TAG_LOGD(AAFwkTag::DBOBSMGR, "code: %{public}d, flags: %{public}d, callingPid:%{public}d", code, option.GetFlags(),
47 IPCSkeleton::GetCallingPid());
48 std::u16string descriptor = DataObsManagerStub::GetDescriptor();
49 std::u16string remoteDescriptor = data.ReadInterfaceToken();
50 if (descriptor != remoteDescriptor) {
51 TAG_LOGE(AAFwkTag::DBOBSMGR,
52 "local descriptor≠remote, descriptor:%{public}s, remoteDescriptor:%{public}s",
53 CommonUtils::Anonymous(Str16ToStr8(descriptor)).c_str(),
54 CommonUtils::Anonymous(Str16ToStr8(remoteDescriptor)).c_str());
55 return ERR_INVALID_STATE;
56 }
57
58 if (code < TRANS_HEAD || code >= TRANS_BUTT || HANDLES[code] == nullptr) {
59 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid code:%{public}u, BUTT:%{public}d", code, TRANS_BUTT);
60 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
61 }
62 return (this->*HANDLES[code])(data, reply);
63 }
64
RegisterObserverInner(MessageParcel & data,MessageParcel & reply)65 int DataObsManagerStub::RegisterObserverInner(MessageParcel &data, MessageParcel &reply)
66 {
67 Uri uri(data.ReadString());
68 if (uri.ToString().empty()) {
69 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
70 return IPC_STUB_INVALID_DATA_ERR;
71 }
72
73 auto remote = data.ReadRemoteObject();
74 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
75 int32_t result = RegisterObserver(uri, observer);
76 reply.WriteInt32(result);
77 return NO_ERROR;
78 }
79
UnregisterObserverInner(MessageParcel & data,MessageParcel & reply)80 int DataObsManagerStub::UnregisterObserverInner(MessageParcel &data, MessageParcel &reply)
81 {
82 Uri uri(data.ReadString());
83 if (uri.ToString().empty()) {
84 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
85 return IPC_STUB_INVALID_DATA_ERR;
86 }
87
88 auto remote = data.ReadRemoteObject();
89 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
90 int32_t result = UnregisterObserver(uri, observer);
91 reply.WriteInt32(result);
92 return NO_ERROR;
93 }
94
NotifyChangeInner(MessageParcel & data,MessageParcel & reply)95 int DataObsManagerStub::NotifyChangeInner(MessageParcel &data, MessageParcel &reply)
96 {
97 Uri uri(data.ReadString());
98 if (uri.ToString().empty()) {
99 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
100 return IPC_STUB_INVALID_DATA_ERR;
101 }
102
103 int32_t result = NotifyChange(uri);
104 reply.WriteInt32(result);
105 return NO_ERROR;
106 }
107
RegisterObserverExtInner(MessageParcel & data,MessageParcel & reply)108 int32_t DataObsManagerStub::RegisterObserverExtInner(MessageParcel &data, MessageParcel &reply)
109 {
110 Uri uri(data.ReadString());
111 if (uri.ToString().empty()) {
112 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
113 return IPC_STUB_INVALID_DATA_ERR;
114 }
115 auto remote = data.ReadRemoteObject();
116 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
117 bool isDescendants = data.ReadBool();
118 reply.WriteInt32(RegisterObserverExt(uri, observer, isDescendants));
119 return SUCCESS;
120 }
121
UnregisterObserverExtInner(MessageParcel & data,MessageParcel & reply)122 int32_t DataObsManagerStub::UnregisterObserverExtInner(MessageParcel &data, MessageParcel &reply)
123 {
124 Uri uri(data.ReadString());
125 if (uri.ToString().empty()) {
126 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
127 return IPC_STUB_INVALID_DATA_ERR;
128 }
129 auto remote = data.ReadRemoteObject();
130 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
131
132 reply.WriteInt32(UnregisterObserverExt(uri, observer));
133 return SUCCESS;
134 }
135
UnregisterObserverExtALLInner(MessageParcel & data,MessageParcel & reply)136 int32_t DataObsManagerStub::UnregisterObserverExtALLInner(MessageParcel &data, MessageParcel &reply)
137 {
138 auto remote = data.ReadRemoteObject();
139 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
140 reply.WriteInt32(UnregisterObserverExt(observer));
141 return SUCCESS;
142 }
143
NotifyChangeExtInner(MessageParcel & data,MessageParcel & reply)144 int32_t DataObsManagerStub::NotifyChangeExtInner(MessageParcel &data, MessageParcel &reply)
145 {
146 ChangeInfo changeInfo;
147 if (!ChangeInfo::Unmarshalling(changeInfo, data)) {
148 return IPC_STUB_INVALID_DATA_ERR;
149 }
150
151 reply.WriteInt32(NotifyChangeExt(changeInfo));
152 return SUCCESS;
153 }
154 } // namespace AAFwk
155 } // namespace OHOS
156