1 /*
2 * Copyright (C) 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 "observer_callback_proxy.h"
17 #include "user_access_tracer.h"
18 #include "file_access_framework_errno.h"
19 #include "hilog_wrapper.h"
20 #include "hitrace_meter.h"
21 #include "ipc_types.h"
22 #include "message_option.h"
23 #include "message_parcel.h"
24
25 namespace OHOS {
26 namespace FileAccessFwk {
OnChange(NotifyMessage & notifyMessage)27 void ObserverCallbackProxy::OnChange(NotifyMessage ¬ifyMessage)
28 {
29 UserAccessTracer trace;
30 trace.Start("OnChange");
31 MessageParcel data;
32 if (!data.WriteInterfaceToken(ObserverCallbackProxy::GetDescriptor())) {
33 HILOG_ERROR("WriteInterfaceToken failed");
34 return;
35 }
36
37 if (!data.WriteParcelable(¬ifyMessage)) {
38 HILOG_ERROR("fail to WriteParcelable notifyMessage");
39 return;
40 }
41
42 MessageParcel reply;
43 MessageOption option;
44 auto remote = Remote();
45 if (!remote) {
46 HILOG_ERROR("failed to get remote");
47 return;
48 }
49 int err = remote->SendRequest(CMD_ONCHANGE, data, reply, option);
50 if (err != ERR_OK) {
51 HILOG_ERROR("fail to SendRequest. err: %{public}d", err);
52 return;
53 }
54
55 int ret = E_IPCS;
56 if (!reply.ReadInt32(ret)) {
57 HILOG_ERROR("fail to ReadInt32 ret");
58 return;
59 }
60
61 if (ret != ERR_OK) {
62 HILOG_ERROR("OnChange operation failed ret : %{public}d", ret);
63 return;
64 }
65 return;
66 }
67 } // namespace FileAccessFwk
68 } // namespace OHOS
69