1 /*
2 * Copyright (c) 2022-2023 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 "dscreen_sink_stub.h"
17
18 #include "dscreen_constants.h"
19 #include "dscreen_errcode.h"
20 #include "dscreen_ipc_interface_code.h"
21 #include "dscreen_log.h"
22
23 namespace OHOS {
24 namespace DistributedHardware {
DScreenSinkStub()25 DScreenSinkStub::DScreenSinkStub()
26 {
27 memberFuncMap_[static_cast<uint32_t>(IDScreenSinkInterfaceCode::INIT_SINK)] =
28 &DScreenSinkStub::InitSinkInner;
29 memberFuncMap_[static_cast<uint32_t>(IDScreenSinkInterfaceCode::RELEASE_SINK)] =
30 &DScreenSinkStub::ReleaseSinkInner;
31 memberFuncMap_[static_cast<uint32_t>(IDScreenSinkInterfaceCode::SUBSCRIBE_DISTRIBUTED_HARDWARE)] =
32 &DScreenSinkStub::SubscribeDistributedHardwareInner;
33 memberFuncMap_[static_cast<uint32_t>(IDScreenSinkInterfaceCode::UNSUBSCRIBE_DISTRIBUTED_HARDWARE)] =
34 &DScreenSinkStub::UnsubscribeDistributedHardwareInner;
35 memberFuncMap_[static_cast<uint32_t>(IDScreenSinkInterfaceCode::DSCREEN_NOTIFY)] =
36 &DScreenSinkStub::DScreenNotifyInner;
37 }
38
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)39 int32_t DScreenSinkStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply,
40 MessageOption &option)
41 {
42 std::u16string desc = DScreenSinkStub::GetDescriptor();
43 std::u16string remoteDesc = data.ReadInterfaceToken();
44 if (desc != remoteDesc) {
45 DHLOGE("DScreenSinkStub::OnRemoteRequest remoteDesc is invalid!");
46 return ERR_INVALID_DATA;
47 }
48
49 const auto &iter = memberFuncMap_.find(code);
50 if (iter == memberFuncMap_.end()) {
51 DHLOGE("invalid request code.");
52 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
53 }
54 DScreenSinkFunc &func = iter->second;
55 return (this->*func)(data, reply, option);
56 }
57
InitSinkInner(MessageParcel & data,MessageParcel & reply,MessageOption & option)58 int32_t DScreenSinkStub::InitSinkInner(MessageParcel &data, MessageParcel &reply,
59 MessageOption &option)
60 {
61 (void)option;
62 std::string param = data.ReadString();
63 if (param.empty() || param.size() > PARAM_MAX_SIZE) {
64 DHLOGE("InitSinkInner error: invalid parameter.");
65 return ERR_DH_SCREEN_INPUT_PARAM_INVALID;
66 }
67 int32_t ret = InitSink(param);
68 reply.WriteInt32(ret);
69 return DH_SUCCESS;
70 }
71
ReleaseSinkInner(MessageParcel & data,MessageParcel & reply,MessageOption & option)72 int32_t DScreenSinkStub::ReleaseSinkInner(MessageParcel &data, MessageParcel &reply,
73 MessageOption &option)
74 {
75 (void)data;
76 (void)option;
77 int32_t ret = ReleaseSink();
78 reply.WriteInt32(ret);
79 return DH_SUCCESS;
80 }
81
SubscribeDistributedHardwareInner(MessageParcel & data,MessageParcel & reply,MessageOption & option)82 int32_t DScreenSinkStub::SubscribeDistributedHardwareInner(MessageParcel &data, MessageParcel &reply,
83 MessageOption &option)
84 {
85 (void)option;
86 std::string dhId = data.ReadString();
87 std::string param = data.ReadString();
88 if (dhId.empty() || dhId.size() > DID_MAX_SIZE || param.empty() || param.size() > PARAM_MAX_SIZE) {
89 DHLOGE("SubscribeDistributedHardwareInner error: invalid parameter.");
90 return ERR_DH_SCREEN_INPUT_PARAM_INVALID;
91 }
92 int32_t ret = SubscribeLocalHardware(dhId, param);
93 reply.WriteInt32(ret);
94 return DH_SUCCESS;
95 }
96
UnsubscribeDistributedHardwareInner(MessageParcel & data,MessageParcel & reply,MessageOption & option)97 int32_t DScreenSinkStub::UnsubscribeDistributedHardwareInner(MessageParcel &data, MessageParcel &reply,
98 MessageOption &option)
99 {
100 (void)option;
101 std::string dhId = data.ReadString();
102 if (dhId.empty() || dhId.size() > DID_MAX_SIZE) {
103 DHLOGE("UnsubscribeDistributedHardwareInner error: invalid parameter.");
104 return ERR_DH_SCREEN_INPUT_PARAM_INVALID;
105 }
106 int32_t ret = UnsubscribeLocalHardware(dhId);
107 reply.WriteInt32(ret);
108 return DH_SUCCESS;
109 }
110
DScreenNotifyInner(MessageParcel & data,MessageParcel & reply,MessageOption & option)111 int32_t DScreenSinkStub::DScreenNotifyInner(MessageParcel &data, MessageParcel &reply,
112 MessageOption &option)
113 {
114 (void)reply;
115 (void)option;
116 std::string devId = data.ReadString();
117 int32_t eventCode = data.ReadInt32();
118 std::string eventContent = data.ReadString();
119 if (devId.empty() || devId.size() > DID_MAX_SIZE || eventContent.empty() ||
120 eventContent.size() > PARAM_MAX_SIZE) {
121 DHLOGE("DScreenNotifyInner error: invalid parameter.");
122 return ERR_DH_SCREEN_INPUT_PARAM_INVALID;
123 }
124 DScreenNotify(devId, eventCode, eventContent);
125 return DH_SUCCESS;
126 }
127 } // namespace DistributedHardware
128 } // namespace OHOS