1 /* 2 * Copyright (C) 2018 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 package android.car.storagemonitoring; 17 18 import android.annotation.SystemApi; 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 import android.util.JsonWriter; 22 import java.io.IOException; 23 import java.util.Objects; 24 import org.json.JSONException; 25 import org.json.JSONObject; 26 27 /** 28 * Information about how many bytes were written to a filesystem during its lifetime. 29 * 30 * @hide 31 */ 32 @SystemApi 33 public class LifetimeWriteInfo implements Parcelable { 34 public static final Creator<IoStats> CREATOR = new Creator<IoStats>() { 35 @Override 36 public IoStats createFromParcel(Parcel in) { 37 return new IoStats(in); 38 } 39 40 @Override 41 public IoStats[] newArray(int size) { 42 return new IoStats[size]; 43 } 44 }; 45 46 public final String partition; 47 public final String fstype; 48 public final long writtenBytes; 49 LifetimeWriteInfo(String partition, String fstype, long writtenBytes)50 public LifetimeWriteInfo(String partition, String fstype, long writtenBytes) { 51 this.partition = Objects.requireNonNull(partition); 52 this.fstype = Objects.requireNonNull(fstype); 53 if (writtenBytes < 0) { 54 throw new IllegalArgumentException("writtenBytes must be non-negative"); 55 } 56 this.writtenBytes = writtenBytes; 57 } 58 LifetimeWriteInfo(Parcel in)59 public LifetimeWriteInfo(Parcel in) { 60 this.partition = in.readString(); 61 this.fstype = in.readString(); 62 this.writtenBytes = in.readLong(); 63 } 64 LifetimeWriteInfo(JSONObject in)65 public LifetimeWriteInfo(JSONObject in) throws JSONException { 66 partition = in.getString("partition"); 67 fstype = in.getString("fstype"); 68 writtenBytes = in.getLong("writtenBytes"); 69 } 70 71 72 @Override writeToParcel(Parcel dest, int flags)73 public void writeToParcel(Parcel dest, int flags) { 74 dest.writeString(partition); 75 dest.writeString(fstype); 76 dest.writeLong(writtenBytes); 77 } 78 writeToJson(JsonWriter jsonWriter)79 public void writeToJson(JsonWriter jsonWriter) throws IOException { 80 jsonWriter.beginObject(); 81 jsonWriter.name("partition").value(partition); 82 jsonWriter.name("fstype").value(fstype); 83 jsonWriter.name("writtenBytes").value(writtenBytes); 84 jsonWriter.endObject(); 85 } 86 87 88 @Override describeContents()89 public int describeContents() { 90 return 0; 91 } 92 93 @Override equals(Object other)94 public boolean equals(Object other) { 95 if (other instanceof LifetimeWriteInfo) { 96 LifetimeWriteInfo lifetime = (LifetimeWriteInfo)other; 97 return partition.equals(lifetime.partition) && 98 fstype.equals(lifetime.fstype) && 99 writtenBytes == lifetime.writtenBytes; 100 } 101 102 return false; 103 } 104 105 @Override toString()106 public String toString() { 107 return String.format("for partition %s of type %s, %d bytes were written", 108 partition, fstype, writtenBytes); 109 } 110 } 111