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
16 #include "dscreen_source_callback_proxy.h"
17
18 #include "parcel.h"
19
20 #include "dscreen_errcode.h"
21 #include "dscreen_log.h"
22 #include "dscreen_util.h"
23
24 namespace OHOS {
25 namespace DistributedHardware {
OnNotifyRegResult(const std::string & devId,const std::string & dhId,const std::string & reqId,int32_t status,const std::string & resultData)26 int32_t DScreenSourceCallbackProxy::OnNotifyRegResult(const std::string &devId, const std::string &dhId,
27 const std::string &reqId, int32_t status, const std::string &resultData)
28 {
29 if (!CheckParams(devId, dhId, reqId, resultData)) {
30 DHLOGE("OnNotifyRegResult error: invalid parameter.");
31 return ERR_DH_SCREEN_INPUT_PARAM_INVALID;
32 }
33 sptr<IRemoteObject> remote = Remote();
34 if (remote == nullptr) {
35 DHLOGE("DScreenSourceCallbackProxy remote service null");
36 return DSCREEN_BAD_VALUE;
37 }
38 MessageParcel data;
39 MessageParcel reply;
40 MessageOption option;
41 if (!data.WriteInterfaceToken(GetDescriptor())) {
42 DHLOGE("WriteInterfaceToken failed.");
43 return ERR_DH_SCREEN_SA_WRITEINTERFACETOKEN_FAILED;
44 }
45
46 if (!data.WriteString(devId) || !data.WriteString(dhId) ||
47 !data.WriteString(reqId) || !data.WriteInt32(status) ||
48 !data.WriteString(resultData)) {
49 DHLOGE("Write param failed.");
50 return ERR_DH_SCREEN_SA_WRITEPARAM_FAILED;
51 }
52
53 remote->SendRequest(NOTIFY_REG_RESULT, data, reply, option);
54 return reply.ReadInt32();
55 }
56
OnNotifyUnregResult(const std::string & devId,const std::string & dhId,const std::string & reqId,int32_t status,const std::string & resultData)57 int32_t DScreenSourceCallbackProxy::OnNotifyUnregResult(const std::string &devId, const std::string &dhId,
58 const std::string &reqId, int32_t status, const std::string &resultData)
59 {
60 if (!CheckParams(devId, dhId, reqId, resultData)) {
61 DHLOGE("OnNotifyUnregResult error: invalid parameter.");
62 return ERR_DH_SCREEN_INPUT_PARAM_INVALID;
63 }
64 sptr<IRemoteObject> remote = Remote();
65 if (remote == nullptr) {
66 DHLOGE("DScreenSourceCallbackProxy remote service null");
67 return DSCREEN_BAD_VALUE;
68 }
69 MessageParcel data;
70 MessageParcel reply;
71 MessageOption option;
72 if (!data.WriteInterfaceToken(GetDescriptor())) {
73 DHLOGE("WriteInterfaceToken failed.");
74 return ERR_DH_SCREEN_SA_WRITEINTERFACETOKEN_FAILED;
75 }
76
77 if (!data.WriteString(devId) || !data.WriteString(dhId) ||
78 !data.WriteString(reqId) || !data.WriteInt32(status) ||
79 !data.WriteString(resultData)) {
80 DHLOGE("Write param failed.");
81 return ERR_DH_SCREEN_SA_WRITEPARAM_FAILED;
82 }
83
84 remote->SendRequest(NOTIFY_UNREG_RESULT, data, reply, option);
85 return reply.ReadInt32();
86 }
87
CheckParams(const std::string & devId,const std::string & dhId,const std::string & reqId,const std::string & resultData)88 bool DScreenSourceCallbackProxy::CheckParams(const std::string &devId, const std::string &dhId,
89 const std::string &reqId, const std::string &resultData)
90 {
91 if (devId.empty() || devId.size() > DID_MAX_SIZE || dhId.empty() || dhId.size() > DID_MAX_SIZE) {
92 DHLOGE("DScreenSourceCallbackProxy CheckParams devId or dhId is invalid.");
93 return false;
94 }
95 if (reqId.empty() || reqId.size() > DID_MAX_SIZE || resultData.empty() || resultData.size() > PARAM_MAX_SIZE) {
96 DHLOGE("DScreenSourceCallbackProxy CheckParams reqId or resultData is invalid.");
97 return false;
98 }
99 return true;
100 }
101 } // namespace DistributedHardware
102 } // namespace OHOS