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 due to unknown issues. */ 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