Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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; |
| 18 | |
Andreas Huber | ef1a565 | 2016-10-18 09:24:04 -0700 | [diff] [blame] | 19 | import java.util.ArrayList; |
| 20 | import java.util.Arrays; |
| 21 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 22 | import libcore.util.NativeAllocationRegistry; |
| 23 | |
| 24 | /** @hide */ |
| 25 | public class HwParcel { |
| 26 | private static final String TAG = "HwParcel"; |
| 27 | |
| 28 | public static final int STATUS_SUCCESS = 0; |
| 29 | public static final int STATUS_ERROR = -1; |
| 30 | |
| 31 | private static final NativeAllocationRegistry sNativeRegistry; |
| 32 | |
| 33 | private HwParcel(boolean allocate) { |
| 34 | native_setup(allocate); |
| 35 | |
| 36 | sNativeRegistry.registerNativeAllocation( |
| 37 | this, |
| 38 | mNativeContext); |
| 39 | } |
| 40 | |
| 41 | public HwParcel() { |
| 42 | native_setup(true /* allocate */); |
| 43 | |
| 44 | sNativeRegistry.registerNativeAllocation( |
| 45 | this, |
| 46 | mNativeContext); |
| 47 | } |
| 48 | |
| 49 | public native final void writeInterfaceToken(String interfaceName); |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 50 | public native final void writeBool(boolean val); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 51 | public native final void writeInt8(byte val); |
| 52 | public native final void writeInt16(short val); |
| 53 | public native final void writeInt32(int val); |
| 54 | public native final void writeInt64(long val); |
| 55 | public native final void writeFloat(float val); |
| 56 | public native final void writeDouble(double val); |
| 57 | public native final void writeString(String val); |
| 58 | |
Andreas Huber | ef1a565 | 2016-10-18 09:24:04 -0700 | [diff] [blame] | 59 | private native final void writeBoolVector(boolean[] val); |
| 60 | private native final void writeInt8Vector(byte[] val); |
| 61 | private native final void writeInt16Vector(short[] val); |
| 62 | private native final void writeInt32Vector(int[] val); |
| 63 | private native final void writeInt64Vector(long[] val); |
| 64 | private native final void writeFloatVector(float[] val); |
| 65 | private native final void writeDoubleVector(double[] val); |
| 66 | private native final void writeStringVector(String[] val); |
| 67 | |
| 68 | public final void writeBoolVector(ArrayList<Boolean> val) { |
| 69 | final int n = val.size(); |
| 70 | boolean[] array = new boolean[n]; |
| 71 | for (int i = 0; i < n; ++i) { |
| 72 | array[i] = val.get(i); |
| 73 | } |
| 74 | |
| 75 | writeBoolVector(array); |
| 76 | } |
| 77 | |
| 78 | public final void writeInt8Vector(ArrayList<Byte> val) { |
| 79 | final int n = val.size(); |
| 80 | byte[] array = new byte[n]; |
| 81 | for (int i = 0; i < n; ++i) { |
| 82 | array[i] = val.get(i); |
| 83 | } |
| 84 | |
| 85 | writeInt8Vector(array); |
| 86 | } |
| 87 | |
| 88 | public final void writeInt16Vector(ArrayList<Short> val) { |
| 89 | final int n = val.size(); |
| 90 | short[] array = new short[n]; |
| 91 | for (int i = 0; i < n; ++i) { |
| 92 | array[i] = val.get(i); |
| 93 | } |
| 94 | |
| 95 | writeInt16Vector(array); |
| 96 | } |
| 97 | |
| 98 | public final void writeInt32Vector(ArrayList<Integer> val) { |
| 99 | final int n = val.size(); |
| 100 | int[] array = new int[n]; |
| 101 | for (int i = 0; i < n; ++i) { |
| 102 | array[i] = val.get(i); |
| 103 | } |
| 104 | |
| 105 | writeInt32Vector(array); |
| 106 | } |
| 107 | |
| 108 | public final void writeInt64Vector(ArrayList<Long> val) { |
| 109 | final int n = val.size(); |
| 110 | long[] array = new long[n]; |
| 111 | for (int i = 0; i < n; ++i) { |
| 112 | array[i] = val.get(i); |
| 113 | } |
| 114 | |
| 115 | writeInt64Vector(array); |
| 116 | } |
| 117 | |
| 118 | public final void writeFloatVector(ArrayList<Float> val) { |
| 119 | final int n = val.size(); |
| 120 | float[] array = new float[n]; |
| 121 | for (int i = 0; i < n; ++i) { |
| 122 | array[i] = val.get(i); |
| 123 | } |
| 124 | |
| 125 | writeFloatVector(array); |
| 126 | } |
| 127 | |
| 128 | public final void writeDoubleVector(ArrayList<Double> val) { |
| 129 | final int n = val.size(); |
| 130 | double[] array = new double[n]; |
| 131 | for (int i = 0; i < n; ++i) { |
| 132 | array[i] = val.get(i); |
| 133 | } |
| 134 | |
| 135 | writeDoubleVector(array); |
| 136 | } |
| 137 | |
| 138 | public final void writeStringVector(ArrayList<String> val) { |
| 139 | writeStringVector(val.toArray(new String[val.size()])); |
| 140 | } |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 141 | |
| 142 | public native final void writeStrongBinder(IHwBinder binder); |
| 143 | |
| 144 | public native final void enforceInterface(String interfaceName); |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 145 | public native final boolean readBool(); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 146 | public native final byte readInt8(); |
| 147 | public native final short readInt16(); |
| 148 | public native final int readInt32(); |
| 149 | public native final long readInt64(); |
| 150 | public native final float readFloat(); |
| 151 | public native final double readDouble(); |
| 152 | public native final String readString(); |
| 153 | |
Andreas Huber | ef1a565 | 2016-10-18 09:24:04 -0700 | [diff] [blame] | 154 | private native final boolean[] readBoolVectorAsArray(); |
| 155 | private native final byte[] readInt8VectorAsArray(); |
| 156 | private native final short[] readInt16VectorAsArray(); |
| 157 | private native final int[] readInt32VectorAsArray(); |
| 158 | private native final long[] readInt64VectorAsArray(); |
| 159 | private native final float[] readFloatVectorAsArray(); |
| 160 | private native final double[] readDoubleVectorAsArray(); |
| 161 | private native final String[] readStringVectorAsArray(); |
| 162 | |
| 163 | public final ArrayList<Boolean> readBoolVector() { |
| 164 | Boolean[] array = HwBlob.wrapArray(readBoolVectorAsArray()); |
| 165 | |
| 166 | return new ArrayList<Boolean>(Arrays.asList(array)); |
| 167 | } |
| 168 | |
| 169 | public final ArrayList<Byte> readInt8Vector() { |
| 170 | Byte[] array = HwBlob.wrapArray(readInt8VectorAsArray()); |
| 171 | |
| 172 | return new ArrayList<Byte>(Arrays.asList(array)); |
| 173 | } |
| 174 | |
| 175 | public final ArrayList<Short> readInt16Vector() { |
| 176 | Short[] array = HwBlob.wrapArray(readInt16VectorAsArray()); |
| 177 | |
| 178 | return new ArrayList<Short>(Arrays.asList(array)); |
| 179 | } |
| 180 | |
| 181 | public final ArrayList<Integer> readInt32Vector() { |
| 182 | Integer[] array = HwBlob.wrapArray(readInt32VectorAsArray()); |
| 183 | |
| 184 | return new ArrayList<Integer>(Arrays.asList(array)); |
| 185 | } |
| 186 | |
| 187 | public final ArrayList<Long> readInt64Vector() { |
| 188 | Long[] array = HwBlob.wrapArray(readInt64VectorAsArray()); |
| 189 | |
| 190 | return new ArrayList<Long>(Arrays.asList(array)); |
| 191 | } |
| 192 | |
| 193 | public final ArrayList<Float> readFloatVector() { |
| 194 | Float[] array = HwBlob.wrapArray(readFloatVectorAsArray()); |
| 195 | |
| 196 | return new ArrayList<Float>(Arrays.asList(array)); |
| 197 | } |
| 198 | |
| 199 | public final ArrayList<Double> readDoubleVector() { |
| 200 | Double[] array = HwBlob.wrapArray(readDoubleVectorAsArray()); |
| 201 | |
| 202 | return new ArrayList<Double>(Arrays.asList(array)); |
| 203 | } |
| 204 | |
| 205 | public final ArrayList<String> readStringVector() { |
| 206 | return new ArrayList<String>(Arrays.asList(readStringVectorAsArray())); |
| 207 | } |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 208 | |
| 209 | public native final IHwBinder readStrongBinder(); |
| 210 | |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 211 | // Handle is stored as part of the blob. |
| 212 | public native final HwBlob readBuffer(); |
| 213 | |
| 214 | public native final HwBlob readEmbeddedBuffer( |
Martijn Coenen | 14fae06 | 2017-01-13 11:08:51 +0100 | [diff] [blame] | 215 | long parentHandle, long offset, boolean nullable); |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 216 | |
| 217 | public native final void writeBuffer(HwBlob blob); |
| 218 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 219 | public native final void writeStatus(int status); |
| 220 | public native final void verifySuccess(); |
| 221 | public native final void releaseTemporaryStorage(); |
| 222 | |
| 223 | public native final void send(); |
| 224 | |
| 225 | // Returns address of the "freeFunction". |
| 226 | private static native final long native_init(); |
| 227 | |
| 228 | private native final void native_setup(boolean allocate); |
| 229 | |
| 230 | static { |
| 231 | long freeFunction = native_init(); |
| 232 | |
| 233 | sNativeRegistry = new NativeAllocationRegistry( |
| 234 | HwParcel.class.getClassLoader(), |
| 235 | freeFunction, |
| 236 | 128 /* size */); |
| 237 | } |
| 238 | |
| 239 | private long mNativeContext; |
| 240 | } |
| 241 | |