John Grossman | 3723783 | 2012-01-12 11:05:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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.os; |
| 17 | |
| 18 | import java.net.InetAddress; |
| 19 | import java.net.Inet4Address; |
| 20 | import java.net.Inet6Address; |
| 21 | import java.net.InetSocketAddress; |
Johan Redestig | 636c0ff | 2012-08-28 08:18:28 +0200 | [diff] [blame] | 22 | import java.util.Locale; |
Elliott Hughes | 34385d3 | 2014-04-28 11:11:32 -0700 | [diff] [blame] | 23 | import static android.system.OsConstants.*; |
John Grossman | 3723783 | 2012-01-12 11:05:37 -0800 | [diff] [blame] | 24 | |
| 25 | class CommonTimeUtils { |
| 26 | /** |
| 27 | * Successful operation. |
| 28 | */ |
| 29 | public static final int SUCCESS = 0; |
| 30 | /** |
| 31 | * Unspecified error. |
| 32 | */ |
| 33 | public static final int ERROR = -1; |
| 34 | /** |
| 35 | * Operation failed due to bad parameter value. |
| 36 | */ |
| 37 | public static final int ERROR_BAD_VALUE = -4; |
| 38 | /** |
| 39 | * Operation failed due to dead remote object. |
| 40 | */ |
| 41 | public static final int ERROR_DEAD_OBJECT = -7; |
| 42 | |
| 43 | public CommonTimeUtils(IBinder remote, String interfaceDesc) { |
| 44 | mRemote = remote; |
| 45 | mInterfaceDesc = interfaceDesc; |
| 46 | } |
| 47 | |
| 48 | public int transactGetInt(int method_code, int error_ret_val) |
| 49 | throws RemoteException { |
| 50 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 51 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 52 | int ret_val; |
| 53 | |
| 54 | try { |
| 55 | int res; |
| 56 | data.writeInterfaceToken(mInterfaceDesc); |
| 57 | mRemote.transact(method_code, data, reply, 0); |
| 58 | |
| 59 | res = reply.readInt(); |
| 60 | ret_val = (0 == res) ? reply.readInt() : error_ret_val; |
| 61 | } |
| 62 | finally { |
| 63 | reply.recycle(); |
| 64 | data.recycle(); |
| 65 | } |
| 66 | |
| 67 | return ret_val; |
| 68 | } |
| 69 | |
| 70 | public int transactSetInt(int method_code, int val) { |
| 71 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 72 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 73 | |
| 74 | try { |
| 75 | data.writeInterfaceToken(mInterfaceDesc); |
| 76 | data.writeInt(val); |
| 77 | mRemote.transact(method_code, data, reply, 0); |
| 78 | |
| 79 | return reply.readInt(); |
| 80 | } |
| 81 | catch (RemoteException e) { |
| 82 | return ERROR_DEAD_OBJECT; |
| 83 | } |
| 84 | finally { |
| 85 | reply.recycle(); |
| 86 | data.recycle(); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | public long transactGetLong(int method_code, long error_ret_val) |
| 91 | throws RemoteException { |
| 92 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 93 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 94 | long ret_val; |
| 95 | |
| 96 | try { |
| 97 | int res; |
| 98 | data.writeInterfaceToken(mInterfaceDesc); |
| 99 | mRemote.transact(method_code, data, reply, 0); |
| 100 | |
| 101 | res = reply.readInt(); |
| 102 | ret_val = (0 == res) ? reply.readLong() : error_ret_val; |
| 103 | } |
| 104 | finally { |
| 105 | reply.recycle(); |
| 106 | data.recycle(); |
| 107 | } |
| 108 | |
| 109 | return ret_val; |
| 110 | } |
| 111 | |
| 112 | public int transactSetLong(int method_code, long val) { |
| 113 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 114 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 115 | |
| 116 | try { |
| 117 | data.writeInterfaceToken(mInterfaceDesc); |
| 118 | data.writeLong(val); |
| 119 | mRemote.transact(method_code, data, reply, 0); |
| 120 | |
| 121 | return reply.readInt(); |
| 122 | } |
| 123 | catch (RemoteException e) { |
| 124 | return ERROR_DEAD_OBJECT; |
| 125 | } |
| 126 | finally { |
| 127 | reply.recycle(); |
| 128 | data.recycle(); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | public String transactGetString(int method_code, String error_ret_val) |
| 133 | throws RemoteException { |
| 134 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 135 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 136 | String ret_val; |
| 137 | |
| 138 | try { |
| 139 | int res; |
| 140 | data.writeInterfaceToken(mInterfaceDesc); |
| 141 | mRemote.transact(method_code, data, reply, 0); |
| 142 | |
| 143 | res = reply.readInt(); |
| 144 | ret_val = (0 == res) ? reply.readString() : error_ret_val; |
| 145 | } |
| 146 | finally { |
| 147 | reply.recycle(); |
| 148 | data.recycle(); |
| 149 | } |
| 150 | |
| 151 | return ret_val; |
| 152 | } |
| 153 | |
| 154 | public int transactSetString(int method_code, String val) { |
| 155 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 156 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 157 | |
| 158 | try { |
| 159 | data.writeInterfaceToken(mInterfaceDesc); |
| 160 | data.writeString(val); |
| 161 | mRemote.transact(method_code, data, reply, 0); |
| 162 | |
| 163 | return reply.readInt(); |
| 164 | } |
| 165 | catch (RemoteException e) { |
| 166 | return ERROR_DEAD_OBJECT; |
| 167 | } |
| 168 | finally { |
| 169 | reply.recycle(); |
| 170 | data.recycle(); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | public InetSocketAddress transactGetSockaddr(int method_code) |
| 175 | throws RemoteException { |
| 176 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 177 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 178 | InetSocketAddress ret_val = null; |
| 179 | |
| 180 | try { |
| 181 | int res; |
| 182 | data.writeInterfaceToken(mInterfaceDesc); |
| 183 | mRemote.transact(method_code, data, reply, 0); |
| 184 | |
| 185 | res = reply.readInt(); |
| 186 | if (0 == res) { |
| 187 | int type; |
| 188 | int port = 0; |
| 189 | String addrStr = null; |
| 190 | |
| 191 | type = reply.readInt(); |
| 192 | |
| 193 | if (AF_INET == type) { |
| 194 | int addr = reply.readInt(); |
| 195 | port = reply.readInt(); |
Johan Redestig | 636c0ff | 2012-08-28 08:18:28 +0200 | [diff] [blame] | 196 | addrStr = String.format(Locale.US, "%d.%d.%d.%d", |
| 197 | (addr >> 24) & 0xFF, |
| 198 | (addr >> 16) & 0xFF, |
| 199 | (addr >> 8) & 0xFF, |
| 200 | addr & 0xFF); |
John Grossman | 3723783 | 2012-01-12 11:05:37 -0800 | [diff] [blame] | 201 | } else if (AF_INET6 == type) { |
| 202 | int addr1 = reply.readInt(); |
| 203 | int addr2 = reply.readInt(); |
| 204 | int addr3 = reply.readInt(); |
| 205 | int addr4 = reply.readInt(); |
| 206 | |
| 207 | port = reply.readInt(); |
| 208 | |
| 209 | int flowinfo = reply.readInt(); |
| 210 | int scope_id = reply.readInt(); |
| 211 | |
Johan Redestig | 636c0ff | 2012-08-28 08:18:28 +0200 | [diff] [blame] | 212 | addrStr = String.format(Locale.US, "[%04X:%04X:%04X:%04X:%04X:%04X:%04X:%04X]", |
| 213 | (addr1 >> 16) & 0xFFFF, addr1 & 0xFFFF, |
| 214 | (addr2 >> 16) & 0xFFFF, addr2 & 0xFFFF, |
| 215 | (addr3 >> 16) & 0xFFFF, addr3 & 0xFFFF, |
| 216 | (addr4 >> 16) & 0xFFFF, addr4 & 0xFFFF); |
John Grossman | 3723783 | 2012-01-12 11:05:37 -0800 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | if (null != addrStr) { |
| 220 | ret_val = new InetSocketAddress(addrStr, port); |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | finally { |
| 225 | reply.recycle(); |
| 226 | data.recycle(); |
| 227 | } |
| 228 | |
| 229 | return ret_val; |
| 230 | } |
| 231 | |
| 232 | public int transactSetSockaddr(int method_code, InetSocketAddress addr) { |
| 233 | android.os.Parcel data = android.os.Parcel.obtain(); |
| 234 | android.os.Parcel reply = android.os.Parcel.obtain(); |
| 235 | int ret_val = ERROR; |
| 236 | |
| 237 | try { |
| 238 | data.writeInterfaceToken(mInterfaceDesc); |
| 239 | |
| 240 | if (null == addr) { |
| 241 | data.writeInt(0); |
| 242 | } else { |
| 243 | data.writeInt(1); |
| 244 | final InetAddress a = addr.getAddress(); |
| 245 | final byte[] b = a.getAddress(); |
| 246 | final int p = addr.getPort(); |
| 247 | |
| 248 | if (a instanceof Inet4Address) { |
| 249 | int v4addr = (((int)b[0] & 0xFF) << 24) | |
| 250 | (((int)b[1] & 0xFF) << 16) | |
| 251 | (((int)b[2] & 0xFF) << 8) | |
| 252 | ((int)b[3] & 0xFF); |
| 253 | |
| 254 | data.writeInt(AF_INET); |
| 255 | data.writeInt(v4addr); |
| 256 | data.writeInt(p); |
| 257 | } else |
| 258 | if (a instanceof Inet6Address) { |
| 259 | int i; |
| 260 | Inet6Address v6 = (Inet6Address)a; |
| 261 | data.writeInt(AF_INET6); |
| 262 | for (i = 0; i < 4; ++i) { |
| 263 | int aword = (((int)b[(i*4) + 0] & 0xFF) << 24) | |
| 264 | (((int)b[(i*4) + 1] & 0xFF) << 16) | |
| 265 | (((int)b[(i*4) + 2] & 0xFF) << 8) | |
| 266 | ((int)b[(i*4) + 3] & 0xFF); |
| 267 | data.writeInt(aword); |
| 268 | } |
| 269 | data.writeInt(p); |
| 270 | data.writeInt(0); // flow info |
| 271 | data.writeInt(v6.getScopeId()); |
| 272 | } else { |
| 273 | return ERROR_BAD_VALUE; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | mRemote.transact(method_code, data, reply, 0); |
| 278 | ret_val = reply.readInt(); |
| 279 | } |
| 280 | catch (RemoteException e) { |
| 281 | ret_val = ERROR_DEAD_OBJECT; |
| 282 | } |
| 283 | finally { |
| 284 | reply.recycle(); |
| 285 | data.recycle(); |
| 286 | } |
| 287 | |
| 288 | return ret_val; |
| 289 | } |
| 290 | |
| 291 | private IBinder mRemote; |
| 292 | private String mInterfaceDesc; |
| 293 | }; |