1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.os.incremental;
18 
19 /** @hide */
20 oneway interface IStorageHealthListener {
21     /** OK status, no pending reads. */
22     const int HEALTH_STATUS_OK = 0;
23     /* Statuses depend on timeouts defined in StorageHealthCheckParams. */
24     /** Pending reads detected, waiting for params.blockedTimeoutMs to confirm blocked state. */
25     const int HEALTH_STATUS_READS_PENDING = 1;
26     /** There are reads pending for params.blockedTimeoutMs, waiting till
27     *   params.unhealthyTimeoutMs to confirm unhealthy state. */
28     const int HEALTH_STATUS_BLOCKED = 2;
29     /** There are reads pending for params.unhealthyTimeoutMs>,
30     *   marking storage as unhealthy. */
31     const int HEALTH_STATUS_UNHEALTHY = 3;
32 
33     /** Health status callback. */
onHealthStatus(in int storageId, in int status)34     void onHealthStatus(in int storageId, in int status);
35 }
36