Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [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 | |
| 17 | package android.net.nsd; |
| 18 | |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 19 | import android.annotation.NonNull; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 20 | import android.os.Parcelable; |
| 21 | import android.os.Parcel; |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 22 | import android.text.TextUtils; |
| 23 | import android.util.Base64; |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 24 | import android.util.Log; |
| 25 | import android.util.ArrayMap; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 26 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 27 | import java.io.UnsupportedEncodingException; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 28 | import java.net.InetAddress; |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 29 | import java.nio.charset.StandardCharsets; |
| 30 | import java.util.Collections; |
| 31 | import java.util.Map; |
| 32 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 33 | |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 34 | /** |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 35 | * A class representing service information for network service discovery |
| 36 | * {@see NsdManager} |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 37 | */ |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 38 | public final class NsdServiceInfo implements Parcelable { |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 39 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 40 | private static final String TAG = "NsdServiceInfo"; |
| 41 | |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 42 | private String mServiceName; |
| 43 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 44 | private String mServiceType; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 45 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 46 | private final ArrayMap<String, byte[]> mTxtRecord = new ArrayMap<String, byte[]>(); |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 47 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 48 | private InetAddress mHost; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 49 | |
| 50 | private int mPort; |
| 51 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 52 | public NsdServiceInfo() { |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 53 | } |
| 54 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 55 | /** @hide */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 56 | public NsdServiceInfo(String sn, String rt) { |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 57 | mServiceName = sn; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 58 | mServiceType = rt; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 59 | } |
| 60 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 61 | /** Get the service name */ |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 62 | public String getServiceName() { |
| 63 | return mServiceName; |
| 64 | } |
| 65 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 66 | /** Set the service name */ |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 67 | public void setServiceName(String s) { |
| 68 | mServiceName = s; |
| 69 | } |
| 70 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 71 | /** Get the service type */ |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 72 | public String getServiceType() { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 73 | return mServiceType; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 76 | /** Set the service type */ |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 77 | public void setServiceType(String s) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 78 | mServiceType = s; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 79 | } |
| 80 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 81 | /** Get the host address. The host address is valid for a resolved service. */ |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 82 | public InetAddress getHost() { |
| 83 | return mHost; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 84 | } |
| 85 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 86 | /** Set the host address */ |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 87 | public void setHost(InetAddress s) { |
| 88 | mHost = s; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 91 | /** Get port number. The port number is valid for a resolved service. */ |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 92 | public int getPort() { |
| 93 | return mPort; |
| 94 | } |
| 95 | |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 96 | /** Set port number */ |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 97 | public void setPort(int p) { |
| 98 | mPort = p; |
| 99 | } |
| 100 | |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 101 | /** |
| 102 | * Unpack txt information from a base-64 encoded byte array. |
| 103 | * |
| 104 | * @param rawRecords The raw base64 encoded records string read from netd. |
| 105 | * |
| 106 | * @hide |
| 107 | */ |
| 108 | public void setTxtRecords(@NonNull String rawRecords) { |
| 109 | byte[] txtRecordsRawBytes = Base64.decode(rawRecords, Base64.DEFAULT); |
| 110 | |
| 111 | // There can be multiple TXT records after each other. Each record has to following format: |
| 112 | // |
| 113 | // byte type required meaning |
| 114 | // ------------------- ------------------- -------- ---------------------------------- |
| 115 | // 0 unsigned 8 bit yes size of record excluding this byte |
| 116 | // 1 - n ASCII but not '=' yes key |
| 117 | // n + 1 '=' optional separator of key and value |
| 118 | // n + 2 - record size uninterpreted bytes optional value |
| 119 | // |
| 120 | // Example legal records: |
| 121 | // [11, 'm', 'y', 'k', 'e', 'y', '=', 0x0, 0x4, 0x65, 0x7, 0xff] |
| 122 | // [17, 'm', 'y', 'K', 'e', 'y', 'W', 'i', 't', 'h', 'N', 'o', 'V', 'a', 'l', 'u', 'e', '='] |
| 123 | // [12, 'm', 'y', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'K', 'e', 'y'] |
| 124 | // |
| 125 | // Example corrupted records |
| 126 | // [3, =, 1, 2] <- key is empty |
| 127 | // [3, 0, =, 2] <- key contains non-ASCII character. We handle this by replacing the |
| 128 | // invalid characters instead of skipping the record. |
| 129 | // [30, 'a', =, 2] <- length exceeds total left over bytes in the TXT records array, we |
| 130 | // handle this by reducing the length of the record as needed. |
| 131 | int pos = 0; |
| 132 | while (pos < txtRecordsRawBytes.length) { |
| 133 | // recordLen is an unsigned 8 bit value |
| 134 | int recordLen = txtRecordsRawBytes[pos] & 0xff; |
| 135 | pos += 1; |
| 136 | |
| 137 | try { |
| 138 | if (recordLen == 0) { |
| 139 | throw new IllegalArgumentException("Zero sized txt record"); |
| 140 | } else if (pos + recordLen > txtRecordsRawBytes.length) { |
| 141 | Log.w(TAG, "Corrupt record length (pos = " + pos + "): " + recordLen); |
| 142 | recordLen = txtRecordsRawBytes.length - pos; |
| 143 | } |
| 144 | |
| 145 | // Decode key-value records |
| 146 | String key = null; |
| 147 | byte[] value = null; |
| 148 | int valueLen = 0; |
| 149 | for (int i = pos; i < pos + recordLen; i++) { |
| 150 | if (key == null) { |
| 151 | if (txtRecordsRawBytes[i] == '=') { |
| 152 | key = new String(txtRecordsRawBytes, pos, i - pos, |
| 153 | StandardCharsets.US_ASCII); |
| 154 | } |
| 155 | } else { |
| 156 | if (value == null) { |
| 157 | value = new byte[recordLen - key.length() - 1]; |
| 158 | } |
| 159 | value[valueLen] = txtRecordsRawBytes[i]; |
| 160 | valueLen++; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | // If '=' was not found we have a boolean record |
| 165 | if (key == null) { |
| 166 | key = new String(txtRecordsRawBytes, pos, recordLen, StandardCharsets.US_ASCII); |
| 167 | } |
| 168 | |
| 169 | if (TextUtils.isEmpty(key)) { |
| 170 | // Empty keys are not allowed (RFC6763 6.4) |
| 171 | throw new IllegalArgumentException("Invalid txt record (key is empty)"); |
| 172 | } |
| 173 | |
| 174 | if (getAttributes().containsKey(key)) { |
| 175 | // When we have a duplicate record, the later ones are ignored (RFC6763 6.4) |
| 176 | throw new IllegalArgumentException("Invalid txt record (duplicate key \"" + key + "\")"); |
| 177 | } |
| 178 | |
| 179 | setAttribute(key, value); |
| 180 | } catch (IllegalArgumentException e) { |
| 181 | Log.e(TAG, "While parsing txt records (pos = " + pos + "): " + e.getMessage()); |
| 182 | } |
| 183 | |
| 184 | pos += recordLen; |
| 185 | } |
| 186 | } |
| 187 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 188 | /** @hide */ |
| 189 | public void setAttribute(String key, byte[] value) { |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 190 | if (TextUtils.isEmpty(key)) { |
| 191 | throw new IllegalArgumentException("Key cannot be empty"); |
| 192 | } |
| 193 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 194 | // Key must be printable US-ASCII, excluding =. |
| 195 | for (int i = 0; i < key.length(); ++i) { |
| 196 | char character = key.charAt(i); |
| 197 | if (character < 0x20 || character > 0x7E) { |
| 198 | throw new IllegalArgumentException("Key strings must be printable US-ASCII"); |
| 199 | } else if (character == 0x3D) { |
| 200 | throw new IllegalArgumentException("Key strings must not include '='"); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | // Key length + value length must be < 255. |
| 205 | if (key.length() + (value == null ? 0 : value.length) >= 255) { |
| 206 | throw new IllegalArgumentException("Key length + value length must be < 255 bytes"); |
| 207 | } |
| 208 | |
| 209 | // Warn if key is > 9 characters, as recommended by RFC 6763 section 6.4. |
| 210 | if (key.length() > 9) { |
| 211 | Log.w(TAG, "Key lengths > 9 are discouraged: " + key); |
| 212 | } |
| 213 | |
| 214 | // Check against total TXT record size limits. |
| 215 | // Arbitrary 400 / 1300 byte limits taken from RFC 6763 section 6.2. |
| 216 | int txtRecordSize = getTxtRecordSize(); |
| 217 | int futureSize = txtRecordSize + key.length() + (value == null ? 0 : value.length) + 2; |
| 218 | if (futureSize > 1300) { |
| 219 | throw new IllegalArgumentException("Total length of attributes must be < 1300 bytes"); |
| 220 | } else if (futureSize > 400) { |
| 221 | Log.w(TAG, "Total length of all attributes exceeds 400 bytes; truncation may occur"); |
| 222 | } |
| 223 | |
| 224 | mTxtRecord.put(key, value); |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Add a service attribute as a key/value pair. |
| 229 | * |
| 230 | * <p> Service attributes are included as DNS-SD TXT record pairs. |
| 231 | * |
| 232 | * <p> The key must be US-ASCII printable characters, excluding the '=' character. Values may |
| 233 | * be UTF-8 strings or null. The total length of key + value must be less than 255 bytes. |
| 234 | * |
| 235 | * <p> Keys should be short, ideally no more than 9 characters, and unique per instance of |
| 236 | * {@link NsdServiceInfo}. Calling {@link #setAttribute} twice with the same key will overwrite |
| 237 | * first value. |
| 238 | */ |
| 239 | public void setAttribute(String key, String value) { |
| 240 | try { |
| 241 | setAttribute(key, value == null ? (byte []) null : value.getBytes("UTF-8")); |
| 242 | } catch (UnsupportedEncodingException e) { |
| 243 | throw new IllegalArgumentException("Value must be UTF-8"); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /** Remove an attribute by key */ |
| 248 | public void removeAttribute(String key) { |
| 249 | mTxtRecord.remove(key); |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Retrive attributes as a map of String keys to byte[] values. |
| 254 | * |
| 255 | * <p> The returned map is unmodifiable; changes must be made through {@link #setAttribute} and |
| 256 | * {@link #removeAttribute}. |
| 257 | */ |
| 258 | public Map<String, byte[]> getAttributes() { |
| 259 | return Collections.unmodifiableMap(mTxtRecord); |
| 260 | } |
| 261 | |
| 262 | private int getTxtRecordSize() { |
| 263 | int txtRecordSize = 0; |
| 264 | for (Map.Entry<String, byte[]> entry : mTxtRecord.entrySet()) { |
| 265 | txtRecordSize += 2; // One for the length byte, one for the = between key and value. |
| 266 | txtRecordSize += entry.getKey().length(); |
| 267 | byte[] value = entry.getValue(); |
| 268 | txtRecordSize += value == null ? 0 : value.length; |
| 269 | } |
| 270 | return txtRecordSize; |
| 271 | } |
| 272 | |
| 273 | /** @hide */ |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 274 | public @NonNull byte[] getTxtRecord() { |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 275 | int txtRecordSize = getTxtRecordSize(); |
| 276 | if (txtRecordSize == 0) { |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 277 | return new byte[]{}; |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | byte[] txtRecord = new byte[txtRecordSize]; |
| 281 | int ptr = 0; |
| 282 | for (Map.Entry<String, byte[]> entry : mTxtRecord.entrySet()) { |
| 283 | String key = entry.getKey(); |
| 284 | byte[] value = entry.getValue(); |
| 285 | |
| 286 | // One byte to record the length of this key/value pair. |
| 287 | txtRecord[ptr++] = (byte) (key.length() + (value == null ? 0 : value.length) + 1); |
| 288 | |
| 289 | // The key, in US-ASCII. |
| 290 | // Note: use the StandardCharsets const here because it doesn't raise exceptions and we |
| 291 | // already know the key is ASCII at this point. |
| 292 | System.arraycopy(key.getBytes(StandardCharsets.US_ASCII), 0, txtRecord, ptr, |
| 293 | key.length()); |
| 294 | ptr += key.length(); |
| 295 | |
| 296 | // US-ASCII '=' character. |
| 297 | txtRecord[ptr++] = (byte)'='; |
| 298 | |
| 299 | // The value, as any raw bytes. |
| 300 | if (value != null) { |
| 301 | System.arraycopy(value, 0, txtRecord, ptr, value.length); |
| 302 | ptr += value.length; |
| 303 | } |
| 304 | } |
| 305 | return txtRecord; |
| 306 | } |
| 307 | |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 308 | public String toString() { |
| 309 | StringBuffer sb = new StringBuffer(); |
| 310 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 311 | sb.append("name: ").append(mServiceName) |
| 312 | .append(", type: ").append(mServiceType) |
| 313 | .append(", host: ").append(mHost) |
| 314 | .append(", port: ").append(mPort); |
| 315 | |
| 316 | byte[] txtRecord = getTxtRecord(); |
| 317 | if (txtRecord != null) { |
| 318 | sb.append(", txtRecord: ").append(new String(txtRecord, StandardCharsets.UTF_8)); |
| 319 | } |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 320 | return sb.toString(); |
| 321 | } |
| 322 | |
| 323 | /** Implement the Parcelable interface */ |
| 324 | public int describeContents() { |
| 325 | return 0; |
| 326 | } |
| 327 | |
| 328 | /** Implement the Parcelable interface */ |
| 329 | public void writeToParcel(Parcel dest, int flags) { |
| 330 | dest.writeString(mServiceName); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 331 | dest.writeString(mServiceType); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 332 | if (mHost != null) { |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 333 | dest.writeInt(1); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 334 | dest.writeByteArray(mHost.getAddress()); |
| 335 | } else { |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 336 | dest.writeInt(0); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 337 | } |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 338 | dest.writeInt(mPort); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 339 | |
| 340 | // TXT record key/value pairs. |
| 341 | dest.writeInt(mTxtRecord.size()); |
| 342 | for (String key : mTxtRecord.keySet()) { |
| 343 | byte[] value = mTxtRecord.get(key); |
| 344 | if (value != null) { |
| 345 | dest.writeInt(1); |
| 346 | dest.writeInt(value.length); |
| 347 | dest.writeByteArray(value); |
| 348 | } else { |
| 349 | dest.writeInt(0); |
| 350 | } |
| 351 | dest.writeString(key); |
| 352 | } |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | /** Implement the Parcelable interface */ |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 356 | public static final Creator<NsdServiceInfo> CREATOR = |
| 357 | new Creator<NsdServiceInfo>() { |
| 358 | public NsdServiceInfo createFromParcel(Parcel in) { |
| 359 | NsdServiceInfo info = new NsdServiceInfo(); |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 360 | info.mServiceName = in.readString(); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 361 | info.mServiceType = in.readString(); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 362 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 363 | if (in.readInt() == 1) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 364 | try { |
| 365 | info.mHost = InetAddress.getByAddress(in.createByteArray()); |
| 366 | } catch (java.net.UnknownHostException e) {} |
| 367 | } |
| 368 | |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 369 | info.mPort = in.readInt(); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 370 | |
| 371 | // TXT record key/value pairs. |
| 372 | int recordCount = in.readInt(); |
| 373 | for (int i = 0; i < recordCount; ++i) { |
| 374 | byte[] valueArray = null; |
| 375 | if (in.readInt() == 1) { |
| 376 | int valueLength = in.readInt(); |
| 377 | valueArray = new byte[valueLength]; |
| 378 | in.readByteArray(valueArray); |
| 379 | } |
| 380 | info.mTxtRecord.put(in.readString(), valueArray); |
| 381 | } |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 382 | return info; |
| 383 | } |
| 384 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 385 | public NsdServiceInfo[] newArray(int size) { |
| 386 | return new NsdServiceInfo[size]; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 387 | } |
| 388 | }; |
Irfan Sheriff | fa291e6 | 2012-04-04 13:18:17 -0700 | [diff] [blame] | 389 | } |