| | | 1 | | // Licensed to the .NET Foundation under one or more agreements. |
| | | 2 | | // The .NET Foundation licenses this file to you under the MIT license. |
| | | 3 | | |
| | | 4 | | using System; |
| | | 5 | | using System.Collections.Generic; |
| | | 6 | | using System.IO; |
| | | 7 | | using System.Text; |
| | | 8 | | using System.Threading.Tasks; |
| | | 9 | | using System.Xml; |
| | | 10 | | using CoreWCF.Runtime; |
| | | 11 | | using CoreWCF.Xml; |
| | | 12 | | |
| | | 13 | | namespace CoreWCF.Channels |
| | | 14 | | { |
| | | 15 | | internal class BinaryMessageEncoderFactory : MessageEncoderFactory |
| | | 16 | | { |
| | | 17 | | private const int maxPooledXmlReaderPerMessage = 2; |
| | | 18 | | private readonly BinaryMessageEncoder _messageEncoder; |
| | | 19 | | private readonly MessageVersion _messageVersion; |
| | | 20 | | |
| | | 21 | | // Double-checked locking pattern requires volatile for read/write synchronization |
| | | 22 | | //volatile SynchronizedPool<XmlDictionaryWriter> streamedWriterPool; |
| | | 23 | | //volatile SynchronizedPool<XmlDictionaryReader> streamedReaderPool; |
| | | 24 | | private volatile SynchronizedPool<BinaryBufferedMessageData> _bufferedDataPool; |
| | | 25 | | private volatile SynchronizedPool<BinaryBufferedMessageWriter> _bufferedWriterPool; |
| | | 26 | | private volatile SynchronizedPool<RecycledMessageState> _recycledStatePool; |
| | | 27 | | private readonly OnXmlDictionaryReaderClose _onStreamedReaderClose; |
| | | 28 | | private readonly XmlDictionaryReaderQuotas _bufferedReadReaderQuotas; |
| | | 29 | | private readonly BinaryVersion _binaryVersion; |
| | | 30 | | |
| | | 31 | | public BinaryMessageEncoderFactory(MessageVersion messageVersion, int maxReadPoolSize, int maxWritePoolSize, int |
| | | 32 | | XmlDictionaryReaderQuotas readerQuotas, long maxReceivedMessageSize, BinaryVersion version, CompressionForma |
| | | 33 | | { |
| | | 34 | | _messageVersion = messageVersion; |
| | | 35 | | MaxReadPoolSize = maxReadPoolSize; |
| | | 36 | | MaxWritePoolSize = maxWritePoolSize; |
| | | 37 | | MaxSessionSize = maxSessionSize; |
| | | 38 | | ThisLock = new object(); |
| | | 39 | | _onStreamedReaderClose = new OnXmlDictionaryReaderClose(ReturnStreamedReader); |
| | | 40 | | ReaderQuotas = new XmlDictionaryReaderQuotas(); |
| | | 41 | | if (readerQuotas != null) |
| | | 42 | | { |
| | | 43 | | readerQuotas.CopyTo(ReaderQuotas); |
| | | 44 | | } |
| | | 45 | | |
| | | 46 | | _bufferedReadReaderQuotas = EncoderHelpers.GetBufferedReadQuotas(ReaderQuotas); |
| | | 47 | | MaxReceivedMessageSize = maxReceivedMessageSize; |
| | | 48 | | |
| | | 49 | | _binaryVersion = version; |
| | | 50 | | CompressionFormat = compressionFormat; |
| | | 51 | | _messageEncoder = new BinaryMessageEncoder(this, false, 0); |
| | | 52 | | } |
| | | 53 | | |
| | | 54 | | public static IXmlDictionary XmlDictionary |
| | | 55 | | { |
| | | 56 | | get { return XD.Dictionary; } |
| | | 57 | | } |
| | | 58 | | |
| | | 59 | | public override MessageEncoder Encoder |
| | | 60 | | { |
| | | 61 | | get |
| | | 62 | | { |
| | | 63 | | return _messageEncoder; |
| | | 64 | | } |
| | | 65 | | } |
| | | 66 | | |
| | | 67 | | public override MessageVersion MessageVersion |
| | | 68 | | { |
| | | 69 | | get { return _messageVersion; } |
| | | 70 | | } |
| | | 71 | | |
| | | 72 | | public int MaxWritePoolSize { get; } |
| | | 73 | | |
| | | 74 | | public XmlDictionaryReaderQuotas ReaderQuotas { get; } |
| | | 75 | | |
| | | 76 | | public int MaxReadPoolSize { get; } |
| | | 77 | | |
| | | 78 | | public int MaxSessionSize { get; } |
| | | 79 | | |
| | | 80 | | public CompressionFormat CompressionFormat { get; } |
| | | 81 | | |
| | | 82 | | private long MaxReceivedMessageSize |
| | | 83 | | { |
| | | 84 | | get; |
| | | 85 | | set; |
| | | 86 | | } |
| | | 87 | | |
| | | 88 | | private object ThisLock { get; } |
| | | 89 | | |
| | | 90 | | private SynchronizedPool<RecycledMessageState> RecycledStatePool |
| | | 91 | | { |
| | | 92 | | get |
| | | 93 | | { |
| | | 94 | | if (_recycledStatePool == null) |
| | | 95 | | { |
| | | 96 | | lock (ThisLock) |
| | | 97 | | { |
| | | 98 | | if (_recycledStatePool == null) |
| | | 99 | | { |
| | | 100 | | //running = true; |
| | | 101 | | _recycledStatePool = new SynchronizedPool<RecycledMessageState>(MaxReadPoolSize); |
| | | 102 | | } |
| | | 103 | | } |
| | | 104 | | } |
| | | 105 | | return _recycledStatePool; |
| | | 106 | | } |
| | | 107 | | } |
| | | 108 | | |
| | | 109 | | public override MessageEncoder CreateSessionEncoder() |
| | | 110 | | { |
| | | 111 | | return new BinaryMessageEncoder(this, true, MaxSessionSize); |
| | | 112 | | } |
| | | 113 | | |
| | | 114 | | private XmlDictionaryWriter TakeStreamedWriter(Stream stream) |
| | | 115 | | { |
| | | 116 | | return XmlDictionaryWriter.CreateBinaryWriter(stream, _binaryVersion.Dictionary, null, false); |
| | | 117 | | // TODO: Revert once IXmlBinaryWriterInitializer is available |
| | | 118 | | //if (streamedWriterPool == null) |
| | | 119 | | //{ |
| | | 120 | | // lock (ThisLock) |
| | | 121 | | // { |
| | | 122 | | // if (streamedWriterPool == null) |
| | | 123 | | // { |
| | | 124 | | // //running = true; |
| | | 125 | | // streamedWriterPool = new SynchronizedPool<XmlDictionaryWriter>(maxWritePoolSize); |
| | | 126 | | // } |
| | | 127 | | // } |
| | | 128 | | //} |
| | | 129 | | //XmlDictionaryWriter xmlWriter = streamedWriterPool.Take(); |
| | | 130 | | //if (xmlWriter == null) |
| | | 131 | | //{ |
| | | 132 | | // xmlWriter = XmlDictionaryWriter.CreateBinaryWriter(stream, binaryVersion.Dictionary, null, false); |
| | | 133 | | //} |
| | | 134 | | //else |
| | | 135 | | //{ |
| | | 136 | | // ((IXmlBinaryWriterInitializer)xmlWriter).SetOutput(stream, binaryVersion.Dictionary, null, false); |
| | | 137 | | //} |
| | | 138 | | //return xmlWriter; |
| | | 139 | | } |
| | | 140 | | |
| | | 141 | | private void ReturnStreamedWriter(XmlDictionaryWriter xmlWriter) |
| | | 142 | | { |
| | | 143 | | xmlWriter.Dispose(); |
| | | 144 | | //streamedWriterPool.Return(xmlWriter); |
| | | 145 | | } |
| | | 146 | | |
| | | 147 | | private BinaryBufferedMessageWriter TakeBufferedWriter() |
| | | 148 | | { |
| | | 149 | | if (_bufferedWriterPool == null) |
| | | 150 | | { |
| | | 151 | | lock (ThisLock) |
| | | 152 | | { |
| | | 153 | | if (_bufferedWriterPool == null) |
| | | 154 | | { |
| | | 155 | | //running = true; |
| | | 156 | | _bufferedWriterPool = new SynchronizedPool<BinaryBufferedMessageWriter>(MaxWritePoolSize); |
| | | 157 | | } |
| | | 158 | | } |
| | | 159 | | } |
| | | 160 | | |
| | | 161 | | BinaryBufferedMessageWriter messageWriter = _bufferedWriterPool.Take(); |
| | | 162 | | if (messageWriter == null) |
| | | 163 | | { |
| | | 164 | | messageWriter = new BinaryBufferedMessageWriter(_binaryVersion.Dictionary); |
| | | 165 | | } |
| | | 166 | | return messageWriter; |
| | | 167 | | } |
| | | 168 | | |
| | | 169 | | private void ReturnMessageWriter(BinaryBufferedMessageWriter messageWriter) |
| | | 170 | | { |
| | | 171 | | _bufferedWriterPool.Return(messageWriter); |
| | | 172 | | } |
| | | 173 | | |
| | | 174 | | private XmlDictionaryReader TakeStreamedReader(Stream stream) |
| | | 175 | | { |
| | | 176 | | return XmlDictionaryReader.CreateBinaryReader(stream, |
| | | 177 | | _binaryVersion.Dictionary, |
| | | 178 | | ReaderQuotas, |
| | | 179 | | null); |
| | | 180 | | // TODO: Revert once IXmlBinaryReaderInitializer is available |
| | | 181 | | //if (streamedReaderPool == null) |
| | | 182 | | //{ |
| | | 183 | | // lock (ThisLock) |
| | | 184 | | // { |
| | | 185 | | // if (streamedReaderPool == null) |
| | | 186 | | // { |
| | | 187 | | // //running = true; |
| | | 188 | | // streamedReaderPool = new SynchronizedPool<XmlDictionaryReader>(maxReadPoolSize); |
| | | 189 | | // } |
| | | 190 | | // } |
| | | 191 | | //} |
| | | 192 | | |
| | | 193 | | //XmlDictionaryReader xmlReader = streamedReaderPool.Take(); |
| | | 194 | | //if (xmlReader == null) |
| | | 195 | | //{ |
| | | 196 | | // xmlReader = XmlDictionaryReader.CreateBinaryReader(stream, |
| | | 197 | | // binaryVersion.Dictionary, |
| | | 198 | | // readerQuotas, |
| | | 199 | | // null, |
| | | 200 | | // onStreamedReaderClose); |
| | | 201 | | // if (TD.ReadPoolMissIsEnabled()) |
| | | 202 | | // { |
| | | 203 | | // TD.ReadPoolMiss(xmlReader.GetType().Name); |
| | | 204 | | // } |
| | | 205 | | //} |
| | | 206 | | //else |
| | | 207 | | //{ |
| | | 208 | | // ((IXmlBinaryReaderInitializer)xmlReader).SetInput(stream, |
| | | 209 | | // binaryVersion.Dictionary, |
| | | 210 | | // readerQuotas, |
| | | 211 | | // null, |
| | | 212 | | // onStreamedReaderClose); |
| | | 213 | | //} |
| | | 214 | | |
| | | 215 | | //return xmlReader; |
| | | 216 | | } |
| | | 217 | | |
| | | 218 | | private void ReturnStreamedReader(XmlDictionaryReader xmlReader) |
| | | 219 | | { |
| | | 220 | | //streamedReaderPool.Return(xmlReader); |
| | | 221 | | } |
| | | 222 | | |
| | | 223 | | private BinaryBufferedMessageData TakeBufferedData(BinaryMessageEncoder messageEncoder) |
| | | 224 | | { |
| | | 225 | | if (_bufferedDataPool == null) |
| | | 226 | | { |
| | | 227 | | lock (ThisLock) |
| | | 228 | | { |
| | | 229 | | if (_bufferedDataPool == null) |
| | | 230 | | { |
| | | 231 | | //running = true; |
| | | 232 | | _bufferedDataPool = new SynchronizedPool<BinaryBufferedMessageData>(MaxReadPoolSize); |
| | | 233 | | } |
| | | 234 | | } |
| | | 235 | | } |
| | | 236 | | BinaryBufferedMessageData messageData = _bufferedDataPool.Take(); |
| | | 237 | | if (messageData == null) |
| | | 238 | | { |
| | | 239 | | messageData = new BinaryBufferedMessageData(this, maxPooledXmlReaderPerMessage); |
| | | 240 | | } |
| | | 241 | | messageData.SetMessageEncoder(messageEncoder); |
| | | 242 | | return messageData; |
| | | 243 | | } |
| | | 244 | | |
| | | 245 | | private void ReturnBufferedData(BinaryBufferedMessageData messageData) |
| | | 246 | | { |
| | | 247 | | messageData.SetMessageEncoder(null); |
| | | 248 | | _bufferedDataPool.Return(messageData); |
| | | 249 | | } |
| | | 250 | | |
| | | 251 | | private class BinaryBufferedMessageData : BufferedMessageData |
| | | 252 | | { |
| | | 253 | | private readonly BinaryMessageEncoderFactory _factory; |
| | | 254 | | private BinaryMessageEncoder _messageEncoder; |
| | | 255 | | private readonly Pool<XmlDictionaryReader> _readerPool; |
| | | 256 | | private readonly OnXmlDictionaryReaderClose _onClose; |
| | | 257 | | |
| | | 258 | | public BinaryBufferedMessageData(BinaryMessageEncoderFactory factory, int maxPoolSize) |
| | | 259 | | : base(factory.RecycledStatePool) |
| | | 260 | | { |
| | | 261 | | _factory = factory; |
| | | 262 | | _readerPool = new Pool<XmlDictionaryReader>(maxPoolSize); |
| | | 263 | | _onClose = new OnXmlDictionaryReaderClose(OnXmlReaderClosed); |
| | | 264 | | } |
| | | 265 | | |
| | | 266 | | public override MessageEncoder MessageEncoder |
| | | 267 | | { |
| | | 268 | | get { return _messageEncoder; } |
| | | 269 | | } |
| | | 270 | | |
| | | 271 | | public override XmlDictionaryReaderQuotas Quotas |
| | | 272 | | { |
| | | 273 | | get { return _factory.ReaderQuotas; } |
| | | 274 | | } |
| | | 275 | | |
| | | 276 | | public void SetMessageEncoder(BinaryMessageEncoder messageEncoder) |
| | | 277 | | { |
| | | 278 | | _messageEncoder = messageEncoder; |
| | | 279 | | } |
| | | 280 | | |
| | | 281 | | protected override XmlDictionaryReader TakeXmlReader() |
| | | 282 | | { |
| | | 283 | | ArraySegment<byte> buffer = Buffer; |
| | | 284 | | |
| | | 285 | | return XmlDictionaryReader.CreateBinaryReader(buffer.Array, buffer.Offset, buffer.Count, |
| | | 286 | | _factory._binaryVersion.Dictionary, |
| | | 287 | | _factory._bufferedReadReaderQuotas, |
| | | 288 | | _messageEncoder.ReaderSession); |
| | | 289 | | // TODO: Revert once IXmlBinaryReaderInitializer is available |
| | | 290 | | //ArraySegment<byte> buffer = this.Buffer; |
| | | 291 | | //XmlDictionaryReader xmlReader = readerPool.Take(); |
| | | 292 | | |
| | | 293 | | //if (xmlReader != null) |
| | | 294 | | //{ |
| | | 295 | | // ((IXmlBinaryReaderInitializer)xmlReader).SetInput(buffer.Array, buffer.Offset, buffer.Count, |
| | | 296 | | // factory.binaryVersion.Dictionary, |
| | | 297 | | // factory.bufferedReadReaderQuotas, |
| | | 298 | | // messageEncoder.ReaderSession, |
| | | 299 | | // onClose); |
| | | 300 | | //} |
| | | 301 | | //else |
| | | 302 | | //{ |
| | | 303 | | // xmlReader = XmlDictionaryReader.CreateBinaryReader(buffer.Array, buffer.Offset, buffer.Count, |
| | | 304 | | // factory.binaryVersion.Dictionary, |
| | | 305 | | // factory.bufferedReadReaderQuotas, |
| | | 306 | | // messageEncoder.ReaderSession, |
| | | 307 | | // onClose); |
| | | 308 | | // if (TD.ReadPoolMissIsEnabled()) |
| | | 309 | | // { |
| | | 310 | | // TD.ReadPoolMiss(xmlReader.GetType().Name); |
| | | 311 | | // } |
| | | 312 | | //} |
| | | 313 | | |
| | | 314 | | //return xmlReader; |
| | | 315 | | } |
| | | 316 | | |
| | | 317 | | protected override void ReturnXmlReader(XmlDictionaryReader reader) |
| | | 318 | | { |
| | | 319 | | _readerPool.Return(reader); |
| | | 320 | | } |
| | | 321 | | |
| | | 322 | | protected override void OnClosed() |
| | | 323 | | { |
| | | 324 | | _factory.ReturnBufferedData(this); |
| | | 325 | | } |
| | | 326 | | } |
| | | 327 | | |
| | | 328 | | private class BinaryBufferedMessageWriter : BufferedMessageWriter |
| | | 329 | | { |
| | | 330 | | private XmlDictionaryWriter _writer; |
| | | 331 | | private readonly IXmlDictionary _dictionary; |
| | | 332 | | private readonly XmlBinaryWriterSession _session; |
| | | 333 | | |
| | | 334 | | public BinaryBufferedMessageWriter(IXmlDictionary dictionary) |
| | | 335 | | { |
| | | 336 | | _dictionary = dictionary; |
| | | 337 | | } |
| | | 338 | | |
| | | 339 | | public BinaryBufferedMessageWriter(IXmlDictionary dictionary, XmlBinaryWriterSession session) |
| | | 340 | | { |
| | | 341 | | _dictionary = dictionary; |
| | | 342 | | _session = session; |
| | | 343 | | } |
| | | 344 | | |
| | | 345 | | protected override XmlDictionaryWriter TakeXmlWriter(Stream stream) |
| | | 346 | | { |
| | | 347 | | return XmlDictionaryWriter.CreateBinaryWriter(stream, _dictionary, _session, false); |
| | | 348 | | // TODO: Revert once IXmlBinaryReaderInitializer is available |
| | | 349 | | //XmlDictionaryWriter returnedWriter = writer; |
| | | 350 | | //if (returnedWriter == null) |
| | | 351 | | //{ |
| | | 352 | | // returnedWriter = XmlDictionaryWriter.CreateBinaryWriter(stream, dictionary, session, false); |
| | | 353 | | //} |
| | | 354 | | //else |
| | | 355 | | //{ |
| | | 356 | | // writer = null; |
| | | 357 | | // ((IXmlBinaryWriterInitializer)returnedWriter).SetOutput(stream, dictionary, session, false); |
| | | 358 | | //} |
| | | 359 | | //return returnedWriter; |
| | | 360 | | } |
| | | 361 | | |
| | | 362 | | protected override void ReturnXmlWriter(XmlDictionaryWriter writer) |
| | | 363 | | { |
| | | 364 | | writer.Dispose(); |
| | | 365 | | |
| | | 366 | | if (_writer == null) |
| | | 367 | | { |
| | | 368 | | _writer = writer; |
| | | 369 | | } |
| | | 370 | | } |
| | | 371 | | } |
| | | 372 | | |
| | | 373 | | private class BinaryMessageEncoder : MessageEncoder, ICompressedMessageEncoder |
| | | 374 | | { |
| | | 375 | | private const string SupportedCompressionTypesMessageProperty = "BinaryMessageEncoder.SupportedCompressionTy |
| | | 376 | | private readonly BinaryMessageEncoderFactory _factory; |
| | | 377 | | private readonly bool _isSession; |
| | | 378 | | private XmlBinaryWriterSessionWithQuota _writerSession; |
| | | 379 | | private BinaryBufferedMessageWriter _sessionMessageWriter; |
| | | 380 | | |
| | | 381 | | //XmlBinaryReaderSession readerSessionForLogging; |
| | | 382 | | //bool readerSessionForLoggingIsInvalid = false; |
| | | 383 | | //int writeIdCounter; |
| | | 384 | | private int _idCounter; |
| | | 385 | | private readonly int _maxSessionSize; |
| | | 386 | | private int _remainingReaderSessionSize; |
| | | 387 | | private bool _isReaderSessionInvalid; |
| | | 388 | | private MessagePatterns _messagePatterns; |
| | | 389 | | private readonly string _contentType; |
| | | 390 | | private readonly string _normalContentType; |
| | | 391 | | private readonly string _gzipCompressedContentType; |
| | | 392 | | private readonly string _deflateCompressedContentType; |
| | | 393 | | private CompressionFormat _sessionCompressionFormat; |
| | | 394 | | private readonly long _maxReceivedMessageSize; |
| | | 395 | | |
| | | 396 | | public BinaryMessageEncoder(BinaryMessageEncoderFactory factory, bool isSession, int maxSessionSize) |
| | | 397 | | { |
| | | 398 | | _factory = factory; |
| | | 399 | | _isSession = isSession; |
| | | 400 | | _maxSessionSize = maxSessionSize; |
| | | 401 | | _remainingReaderSessionSize = maxSessionSize; |
| | | 402 | | _normalContentType = isSession ? factory._binaryVersion.SessionContentType : factory._binaryVersion.Cont |
| | | 403 | | _gzipCompressedContentType = isSession ? BinaryVersion.GZipVersion1.SessionContentType : BinaryVersion.G |
| | | 404 | | _deflateCompressedContentType = isSession ? BinaryVersion.DeflateVersion1.SessionContentType : BinaryVer |
| | | 405 | | _sessionCompressionFormat = _factory.CompressionFormat; |
| | | 406 | | _maxReceivedMessageSize = _factory.MaxReceivedMessageSize; |
| | | 407 | | |
| | | 408 | | switch (_factory.CompressionFormat) |
| | | 409 | | { |
| | | 410 | | case CompressionFormat.Deflate: |
| | | 411 | | _contentType = _deflateCompressedContentType; |
| | | 412 | | break; |
| | | 413 | | case CompressionFormat.GZip: |
| | | 414 | | _contentType = _gzipCompressedContentType; |
| | | 415 | | break; |
| | | 416 | | default: |
| | | 417 | | _contentType = _normalContentType; |
| | | 418 | | break; |
| | | 419 | | } |
| | | 420 | | } |
| | | 421 | | |
| | | 422 | | public override string ContentType |
| | | 423 | | { |
| | | 424 | | get |
| | | 425 | | { |
| | | 426 | | return _contentType; |
| | | 427 | | } |
| | | 428 | | } |
| | | 429 | | |
| | | 430 | | public override MessageVersion MessageVersion |
| | | 431 | | { |
| | | 432 | | get { return _factory._messageVersion; } |
| | | 433 | | } |
| | | 434 | | |
| | | 435 | | public override string MediaType |
| | | 436 | | { |
| | | 437 | | get { return _contentType; } |
| | | 438 | | } |
| | | 439 | | |
| | | 440 | | public XmlBinaryReaderSession ReaderSession { get; private set; } |
| | | 441 | | |
| | | 442 | | public bool CompressionEnabled |
| | | 443 | | { |
| | | 444 | | get { return _factory.CompressionFormat != CompressionFormat.None; } |
| | | 445 | | } |
| | | 446 | | |
| | | 447 | | private ArraySegment<byte> AddSessionInformationToMessage(ArraySegment<byte> messageData, BufferManager buff |
| | | 448 | | { |
| | | 449 | | int dictionarySize = 0; |
| | | 450 | | byte[] buffer = messageData.Array; |
| | | 451 | | |
| | | 452 | | if (_writerSession.HasNewStrings) |
| | | 453 | | { |
| | | 454 | | IList<XmlDictionaryString> newStrings = _writerSession.GetNewStrings(); |
| | | 455 | | for (int i = 0; i < newStrings.Count; i++) |
| | | 456 | | { |
| | | 457 | | int utf8ValueSize = Encoding.UTF8.GetByteCount(newStrings[i].Value); |
| | | 458 | | dictionarySize += IntEncoder.GetEncodedSize(utf8ValueSize) + utf8ValueSize; |
| | | 459 | | } |
| | | 460 | | |
| | | 461 | | int messageSize = messageData.Offset + messageData.Count; |
| | | 462 | | int remainingMessageSize = maxMessageSize - messageSize; |
| | | 463 | | if (remainingMessageSize - dictionarySize < 0) |
| | | 464 | | { |
| | | 465 | | string excMsg = SR.Format(SRCommon.MaxSentMessageSizeExceeded, maxMessageSize); |
| | | 466 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new QuotaExceededException(excMsg)); |
| | | 467 | | } |
| | | 468 | | |
| | | 469 | | int requiredBufferSize = messageData.Offset + messageData.Count + dictionarySize; |
| | | 470 | | if (buffer.Length < requiredBufferSize) |
| | | 471 | | { |
| | | 472 | | byte[] newBuffer = bufferManager.TakeBuffer(requiredBufferSize); |
| | | 473 | | Buffer.BlockCopy(buffer, messageData.Offset, newBuffer, messageData.Offset, messageData.Count); |
| | | 474 | | bufferManager.ReturnBuffer(buffer); |
| | | 475 | | buffer = newBuffer; |
| | | 476 | | } |
| | | 477 | | |
| | | 478 | | Buffer.BlockCopy(buffer, messageData.Offset, buffer, messageData.Offset + dictionarySize, messageDat |
| | | 479 | | |
| | | 480 | | int offset = messageData.Offset; |
| | | 481 | | for (int i = 0; i < newStrings.Count; i++) |
| | | 482 | | { |
| | | 483 | | string newString = newStrings[i].Value; |
| | | 484 | | int utf8ValueSize = Encoding.UTF8.GetByteCount(newString); |
| | | 485 | | offset += IntEncoder.Encode(utf8ValueSize, buffer, offset); |
| | | 486 | | offset += Encoding.UTF8.GetBytes(newString, 0, newString.Length, buffer, offset); |
| | | 487 | | } |
| | | 488 | | |
| | | 489 | | _writerSession.ClearNewStrings(); |
| | | 490 | | } |
| | | 491 | | |
| | | 492 | | int headerSize = IntEncoder.GetEncodedSize(dictionarySize); |
| | | 493 | | int newOffset = messageData.Offset - headerSize; |
| | | 494 | | int newSize = headerSize + messageData.Count + dictionarySize; |
| | | 495 | | IntEncoder.Encode(dictionarySize, buffer, newOffset); |
| | | 496 | | return new ArraySegment<byte>(buffer, newOffset, newSize); |
| | | 497 | | } |
| | | 498 | | |
| | | 499 | | private ArraySegment<byte> ExtractSessionInformationFromMessage(ArraySegment<byte> messageData) |
| | | 500 | | { |
| | | 501 | | if (_isReaderSessionInvalid) |
| | | 502 | | { |
| | | 503 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEncoderS |
| | | 504 | | } |
| | | 505 | | |
| | | 506 | | byte[] buffer = messageData.Array; |
| | | 507 | | int dictionarySize; |
| | | 508 | | int headerSize; |
| | | 509 | | int newOffset; |
| | | 510 | | int newSize; |
| | | 511 | | bool throwing = true; |
| | | 512 | | try |
| | | 513 | | { |
| | | 514 | | IntDecoder decoder = new IntDecoder(); |
| | | 515 | | headerSize = decoder.Decode(buffer, messageData.Offset, messageData.Count); |
| | | 516 | | dictionarySize = decoder.Value; |
| | | 517 | | if (dictionarySize > messageData.Count) |
| | | 518 | | { |
| | | 519 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEnco |
| | | 520 | | } |
| | | 521 | | newOffset = messageData.Offset + headerSize + dictionarySize; |
| | | 522 | | newSize = messageData.Count - headerSize - dictionarySize; |
| | | 523 | | if (newSize < 0) |
| | | 524 | | { |
| | | 525 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEnco |
| | | 526 | | } |
| | | 527 | | if (dictionarySize > 0) |
| | | 528 | | { |
| | | 529 | | if (dictionarySize > _remainingReaderSessionSize) |
| | | 530 | | { |
| | | 531 | | string message = SR.Format(SR.BinaryEncoderSessionTooLarge, _maxSessionSize); |
| | | 532 | | Exception inner = new QuotaExceededException(message); |
| | | 533 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(message |
| | | 534 | | } |
| | | 535 | | else |
| | | 536 | | { |
| | | 537 | | _remainingReaderSessionSize -= dictionarySize; |
| | | 538 | | } |
| | | 539 | | |
| | | 540 | | int size = dictionarySize; |
| | | 541 | | int offset = messageData.Offset + headerSize; |
| | | 542 | | |
| | | 543 | | while (size > 0) |
| | | 544 | | { |
| | | 545 | | decoder.Reset(); |
| | | 546 | | int bytesDecoded = decoder.Decode(buffer, offset, size); |
| | | 547 | | int utf8ValueSize = decoder.Value; |
| | | 548 | | offset += bytesDecoded; |
| | | 549 | | size -= bytesDecoded; |
| | | 550 | | if (utf8ValueSize > size) |
| | | 551 | | { |
| | | 552 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.Bi |
| | | 553 | | } |
| | | 554 | | string value = Encoding.UTF8.GetString(buffer, offset, utf8ValueSize); |
| | | 555 | | offset += utf8ValueSize; |
| | | 556 | | size -= utf8ValueSize; |
| | | 557 | | ReaderSession.Add(_idCounter, value); |
| | | 558 | | _idCounter++; |
| | | 559 | | } |
| | | 560 | | } |
| | | 561 | | throwing = false; |
| | | 562 | | } |
| | | 563 | | finally |
| | | 564 | | { |
| | | 565 | | if (throwing) |
| | | 566 | | { |
| | | 567 | | _isReaderSessionInvalid = true; |
| | | 568 | | } |
| | | 569 | | } |
| | | 570 | | |
| | | 571 | | return new ArraySegment<byte>(buffer, newOffset, newSize); |
| | | 572 | | } |
| | | 573 | | |
| | | 574 | | public override Message ReadMessage(ArraySegment<byte> buffer, BufferManager bufferManager, string contentTy |
| | | 575 | | { |
| | | 576 | | if (bufferManager == null) |
| | | 577 | | { |
| | | 578 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(bufferManager)); |
| | | 579 | | } |
| | | 580 | | |
| | | 581 | | CompressionFormat compressionFormat = CheckContentType(contentType); |
| | | 582 | | |
| | | 583 | | if (compressionFormat != CompressionFormat.None) |
| | | 584 | | { |
| | | 585 | | MessageEncoderCompressionHandler.DecompressBuffer(ref buffer, bufferManager, compressionFormat, _max |
| | | 586 | | } |
| | | 587 | | |
| | | 588 | | if (_isSession) |
| | | 589 | | { |
| | | 590 | | if (ReaderSession == null) |
| | | 591 | | { |
| | | 592 | | ReaderSession = new XmlBinaryReaderSession(); |
| | | 593 | | _messagePatterns = new MessagePatterns(_factory._binaryVersion.Dictionary, ReaderSession, Messag |
| | | 594 | | } |
| | | 595 | | try |
| | | 596 | | { |
| | | 597 | | buffer = ExtractSessionInformationFromMessage(buffer); |
| | | 598 | | } |
| | | 599 | | catch (InvalidDataException) |
| | | 600 | | { |
| | | 601 | | //MessageLogger.LogMessage(buffer, MessageLoggingSource.Malformed); |
| | | 602 | | throw; |
| | | 603 | | } |
| | | 604 | | } |
| | | 605 | | BinaryBufferedMessageData messageData = _factory.TakeBufferedData(this); |
| | | 606 | | Message message; |
| | | 607 | | if (_messagePatterns != null) |
| | | 608 | | { |
| | | 609 | | message = _messagePatterns.TryCreateMessage(buffer.Array, buffer.Offset, buffer.Count, bufferManager |
| | | 610 | | } |
| | | 611 | | else |
| | | 612 | | { |
| | | 613 | | message = null; |
| | | 614 | | } |
| | | 615 | | if (message == null) |
| | | 616 | | { |
| | | 617 | | messageData.Open(buffer, bufferManager); |
| | | 618 | | RecycledMessageState messageState = messageData.TakeMessageState(); |
| | | 619 | | if (messageState == null) |
| | | 620 | | { |
| | | 621 | | messageState = new RecycledMessageState(); |
| | | 622 | | } |
| | | 623 | | message = new BufferedMessage(messageData, messageState); |
| | | 624 | | } |
| | | 625 | | message.Properties.Encoder = this; |
| | | 626 | | |
| | | 627 | | return message; |
| | | 628 | | } |
| | | 629 | | |
| | | 630 | | public override Task<Message> ReadMessageAsync(Stream stream, int maxSizeOfHeaders, string contentType) |
| | | 631 | | { |
| | | 632 | | if (stream == null) |
| | | 633 | | { |
| | | 634 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(stream)); |
| | | 635 | | } |
| | | 636 | | |
| | | 637 | | CompressionFormat compressionFormat = CheckContentType(contentType); |
| | | 638 | | |
| | | 639 | | if (compressionFormat != CompressionFormat.None) |
| | | 640 | | { |
| | | 641 | | stream = new MaxMessageSizeStream( |
| | | 642 | | MessageEncoderCompressionHandler.GetDecompressStream(stream, compressionFormat), _maxReceivedMes |
| | | 643 | | } |
| | | 644 | | |
| | | 645 | | XmlDictionaryReader reader = _factory.TakeStreamedReader(stream); |
| | | 646 | | Message message = Message.CreateMessage(reader, maxSizeOfHeaders, _factory._messageVersion); |
| | | 647 | | message.Properties.Encoder = this; |
| | | 648 | | |
| | | 649 | | return Task.FromResult(message); |
| | | 650 | | } |
| | | 651 | | |
| | | 652 | | public override ArraySegment<byte> WriteMessage(Message message, int maxMessageSize, BufferManager bufferMan |
| | | 653 | | { |
| | | 654 | | if (message == null) |
| | | 655 | | { |
| | | 656 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(message)); |
| | | 657 | | } |
| | | 658 | | |
| | | 659 | | if (bufferManager == null) |
| | | 660 | | { |
| | | 661 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(bufferManager)); |
| | | 662 | | } |
| | | 663 | | |
| | | 664 | | if (maxMessageSize < 0) |
| | | 665 | | { |
| | | 666 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(max |
| | | 667 | | SRCommon.ValueMustBeNonNegative)); |
| | | 668 | | } |
| | | 669 | | |
| | | 670 | | message.Properties.Encoder = this; |
| | | 671 | | |
| | | 672 | | if (_isSession) |
| | | 673 | | { |
| | | 674 | | if (_writerSession == null) |
| | | 675 | | { |
| | | 676 | | _writerSession = new XmlBinaryWriterSessionWithQuota(_maxSessionSize); |
| | | 677 | | _sessionMessageWriter = new BinaryBufferedMessageWriter(_factory._binaryVersion.Dictionary, _wri |
| | | 678 | | } |
| | | 679 | | messageOffset += IntEncoder.MaxEncodedSize; |
| | | 680 | | } |
| | | 681 | | |
| | | 682 | | if (messageOffset < 0) |
| | | 683 | | { |
| | | 684 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(mes |
| | | 685 | | SRCommon.ValueMustBeNonNegative)); |
| | | 686 | | } |
| | | 687 | | |
| | | 688 | | if (messageOffset > maxMessageSize) |
| | | 689 | | { |
| | | 690 | | string excMsg = SR.Format(SRCommon.MaxSentMessageSizeExceeded, maxMessageSize); |
| | | 691 | | |
| | | 692 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new QuotaExceededException(excMsg)); |
| | | 693 | | } |
| | | 694 | | |
| | | 695 | | ThrowIfMismatchedMessageVersion(message); |
| | | 696 | | BinaryBufferedMessageWriter messageWriter; |
| | | 697 | | if (_isSession) |
| | | 698 | | { |
| | | 699 | | messageWriter = _sessionMessageWriter; |
| | | 700 | | } |
| | | 701 | | else |
| | | 702 | | { |
| | | 703 | | messageWriter = _factory.TakeBufferedWriter(); |
| | | 704 | | } |
| | | 705 | | ArraySegment<byte> messageData = messageWriter.WriteMessage(message, bufferManager, messageOffset, maxMe |
| | | 706 | | |
| | | 707 | | //this.readerSessionForLoggingIsInvalid = true; |
| | | 708 | | |
| | | 709 | | if (_isSession) |
| | | 710 | | { |
| | | 711 | | messageData = AddSessionInformationToMessage(messageData, bufferManager, maxMessageSize); |
| | | 712 | | } |
| | | 713 | | else |
| | | 714 | | { |
| | | 715 | | _factory.ReturnMessageWriter(messageWriter); |
| | | 716 | | } |
| | | 717 | | |
| | | 718 | | CompressionFormat compressionFormat = CheckCompressedWrite(message); |
| | | 719 | | if (compressionFormat != CompressionFormat.None) |
| | | 720 | | { |
| | | 721 | | MessageEncoderCompressionHandler.CompressBuffer(ref messageData, bufferManager, compressionFormat); |
| | | 722 | | } |
| | | 723 | | |
| | | 724 | | return messageData; |
| | | 725 | | } |
| | | 726 | | |
| | | 727 | | public override async Task WriteMessageAsync(Message message, Stream stream) |
| | | 728 | | { |
| | | 729 | | if (message == null) |
| | | 730 | | { |
| | | 731 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException(nameof(message)) |
| | | 732 | | } |
| | | 733 | | if (stream == null) |
| | | 734 | | { |
| | | 735 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException(nameof(stream))) |
| | | 736 | | } |
| | | 737 | | |
| | | 738 | | CompressionFormat compressionFormat = CheckCompressedWrite(message); |
| | | 739 | | if (compressionFormat != CompressionFormat.None) |
| | | 740 | | { |
| | | 741 | | stream = MessageEncoderCompressionHandler.GetCompressStream(stream, compressionFormat); |
| | | 742 | | } |
| | | 743 | | |
| | | 744 | | ThrowIfMismatchedMessageVersion(message); |
| | | 745 | | message.Properties.Encoder = this; |
| | | 746 | | XmlDictionaryWriter xmlWriter = _factory.TakeStreamedWriter(stream); |
| | | 747 | | await message.WriteMessageAsync(xmlWriter); |
| | | 748 | | xmlWriter.Flush(); |
| | | 749 | | |
| | | 750 | | _factory.ReturnStreamedWriter(xmlWriter); |
| | | 751 | | if (compressionFormat != CompressionFormat.None) |
| | | 752 | | { |
| | | 753 | | stream.Dispose(); |
| | | 754 | | } |
| | | 755 | | } |
| | | 756 | | |
| | | 757 | | public override bool IsContentTypeSupported(string contentType) |
| | | 758 | | { |
| | | 759 | | bool supported = true; |
| | | 760 | | if (!base.IsContentTypeSupported(contentType)) |
| | | 761 | | { |
| | | 762 | | if (CompressionEnabled) |
| | | 763 | | { |
| | | 764 | | supported = (_factory.CompressionFormat == CompressionFormat.GZip && |
| | | 765 | | IsContentTypeSupported(contentType, _gzipCompressedContentType, _gzipCompressedContentType)) |
| | | 766 | | (_factory.CompressionFormat == CompressionFormat.Deflate && |
| | | 767 | | IsContentTypeSupported(contentType, _deflateCompressedContentType, _deflateCompressedContent |
| | | 768 | | IsContentTypeSupported(contentType, _normalContentType, _normalContentType); |
| | | 769 | | } |
| | | 770 | | else |
| | | 771 | | { |
| | | 772 | | supported = false; |
| | | 773 | | } |
| | | 774 | | } |
| | | 775 | | return supported; |
| | | 776 | | } |
| | | 777 | | |
| | | 778 | | public void SetSessionContentType(string contentType) |
| | | 779 | | { |
| | | 780 | | if (IsContentTypeSupported(contentType, _gzipCompressedContentType, _gzipCompressedContentType)) |
| | | 781 | | { |
| | | 782 | | _sessionCompressionFormat = CompressionFormat.GZip; |
| | | 783 | | } |
| | | 784 | | else if (IsContentTypeSupported(contentType, _deflateCompressedContentType, _deflateCompressedContentTyp |
| | | 785 | | { |
| | | 786 | | _sessionCompressionFormat = CompressionFormat.Deflate; |
| | | 787 | | } |
| | | 788 | | else |
| | | 789 | | { |
| | | 790 | | _sessionCompressionFormat = CompressionFormat.None; |
| | | 791 | | } |
| | | 792 | | } |
| | | 793 | | |
| | | 794 | | public void AddCompressedMessageProperties(Message message, string supportedCompressionTypes) |
| | | 795 | | { |
| | | 796 | | message.Properties.Add(SupportedCompressionTypesMessageProperty, supportedCompressionTypes); |
| | | 797 | | } |
| | | 798 | | |
| | | 799 | | private static bool ContentTypeEqualsOrStartsWith(string contentType, string supportedContentType) |
| | | 800 | | { |
| | | 801 | | return contentType == supportedContentType || contentType.StartsWith(supportedContentType, StringCompari |
| | | 802 | | } |
| | | 803 | | |
| | | 804 | | private CompressionFormat CheckContentType(string contentType) |
| | | 805 | | { |
| | | 806 | | CompressionFormat compressionFormat = CompressionFormat.None; |
| | | 807 | | if (contentType == null) |
| | | 808 | | { |
| | | 809 | | compressionFormat = _sessionCompressionFormat; |
| | | 810 | | } |
| | | 811 | | else |
| | | 812 | | { |
| | | 813 | | if (!CompressionEnabled) |
| | | 814 | | { |
| | | 815 | | if (!ContentTypeEqualsOrStartsWith(contentType, ContentType)) |
| | | 816 | | { |
| | | 817 | | throw Fx.Exception.AsError(new ProtocolException(SR.Format(SR.EncoderUnrecognizedContentType |
| | | 818 | | } |
| | | 819 | | } |
| | | 820 | | else |
| | | 821 | | { |
| | | 822 | | if (_factory.CompressionFormat == CompressionFormat.GZip && ContentTypeEqualsOrStartsWith(conten |
| | | 823 | | { |
| | | 824 | | compressionFormat = CompressionFormat.GZip; |
| | | 825 | | } |
| | | 826 | | else if (_factory.CompressionFormat == CompressionFormat.Deflate && ContentTypeEqualsOrStartsWit |
| | | 827 | | { |
| | | 828 | | compressionFormat = CompressionFormat.Deflate; |
| | | 829 | | } |
| | | 830 | | else if (ContentTypeEqualsOrStartsWith(contentType, _normalContentType)) |
| | | 831 | | { |
| | | 832 | | compressionFormat = CompressionFormat.None; |
| | | 833 | | } |
| | | 834 | | else |
| | | 835 | | { |
| | | 836 | | throw Fx.Exception.AsError(new ProtocolException(SR.Format(SR.EncoderUnrecognizedContentType |
| | | 837 | | } |
| | | 838 | | } |
| | | 839 | | } |
| | | 840 | | |
| | | 841 | | return compressionFormat; |
| | | 842 | | } |
| | | 843 | | |
| | | 844 | | private CompressionFormat CheckCompressedWrite(Message message) |
| | | 845 | | { |
| | | 846 | | CompressionFormat compressionFormat = _sessionCompressionFormat; |
| | | 847 | | if (compressionFormat != CompressionFormat.None && !_isSession) |
| | | 848 | | { |
| | | 849 | | if (message.Properties.TryGetValue<string>(SupportedCompressionTypesMessageProperty, out string acce |
| | | 850 | | acceptEncoding != null) |
| | | 851 | | { |
| | | 852 | | acceptEncoding = acceptEncoding.ToLowerInvariant(); |
| | | 853 | | if ((compressionFormat == CompressionFormat.GZip && |
| | | 854 | | !acceptEncoding.Contains(MessageEncoderCompressionHandler.GZipContentEncoding)) || |
| | | 855 | | (compressionFormat == CompressionFormat.Deflate && |
| | | 856 | | !acceptEncoding.Contains(MessageEncoderCompressionHandler.DeflateContentEncoding))) |
| | | 857 | | { |
| | | 858 | | compressionFormat = CompressionFormat.None; |
| | | 859 | | } |
| | | 860 | | } |
| | | 861 | | } |
| | | 862 | | return compressionFormat; |
| | | 863 | | } |
| | | 864 | | } |
| | | 865 | | |
| | | 866 | | private class XmlBinaryWriterSessionWithQuota : XmlBinaryWriterSession |
| | | 867 | | { |
| | | 868 | | private int _bytesRemaining; |
| | | 869 | | private List<XmlDictionaryString> _newStrings; |
| | | 870 | | |
| | | 871 | | public XmlBinaryWriterSessionWithQuota(int maxSessionSize) |
| | | 872 | | { |
| | | 873 | | _bytesRemaining = maxSessionSize; |
| | | 874 | | } |
| | | 875 | | |
| | | 876 | | public bool HasNewStrings |
| | | 877 | | { |
| | | 878 | | get { return _newStrings != null; } |
| | | 879 | | } |
| | | 880 | | |
| | | 881 | | public override bool TryAdd(XmlDictionaryString s, out int key) |
| | | 882 | | { |
| | | 883 | | if (_bytesRemaining == 0) |
| | | 884 | | { |
| | | 885 | | key = -1; |
| | | 886 | | return false; |
| | | 887 | | } |
| | | 888 | | |
| | | 889 | | int bytesRequired = Encoding.UTF8.GetByteCount(s.Value); |
| | | 890 | | bytesRequired += IntEncoder.GetEncodedSize(bytesRequired); |
| | | 891 | | |
| | | 892 | | if (bytesRequired > _bytesRemaining) |
| | | 893 | | { |
| | | 894 | | key = -1; |
| | | 895 | | _bytesRemaining = 0; |
| | | 896 | | return false; |
| | | 897 | | } |
| | | 898 | | |
| | | 899 | | if (base.TryAdd(s, out key)) |
| | | 900 | | { |
| | | 901 | | if (_newStrings == null) |
| | | 902 | | { |
| | | 903 | | _newStrings = new List<XmlDictionaryString>(); |
| | | 904 | | } |
| | | 905 | | _newStrings.Add(s); |
| | | 906 | | _bytesRemaining -= bytesRequired; |
| | | 907 | | return true; |
| | | 908 | | } |
| | | 909 | | else |
| | | 910 | | { |
| | | 911 | | return false; |
| | | 912 | | } |
| | | 913 | | } |
| | | 914 | | |
| | | 915 | | public IList<XmlDictionaryString> GetNewStrings() |
| | | 916 | | { |
| | | 917 | | return _newStrings; |
| | | 918 | | } |
| | | 919 | | |
| | | 920 | | public void ClearNewStrings() |
| | | 921 | | { |
| | | 922 | | _newStrings = null; |
| | | 923 | | } |
| | | 924 | | } |
| | | 925 | | } |
| | | 926 | | |
| | | 927 | | internal class BinaryFormatBuilder |
| | | 928 | | { |
| | | 929 | | private readonly List<byte> _bytes; |
| | | 930 | | |
| | | 931 | | public BinaryFormatBuilder() |
| | | 932 | | { |
| | | 933 | | _bytes = new List<byte>(); |
| | | 934 | | } |
| | | 935 | | |
| | | 936 | | public int Count |
| | | 937 | | { |
| | | 938 | | get { return _bytes.Count; } |
| | | 939 | | } |
| | | 940 | | |
| | | 941 | | public void AppendPrefixDictionaryElement(char prefix, int key) |
| | | 942 | | { |
| | | 943 | | AppendNode(XmlBinaryNodeType.PrefixDictionaryElementA + GetPrefixOffset(prefix)); |
| | | 944 | | AppendKey(key); |
| | | 945 | | } |
| | | 946 | | |
| | | 947 | | public void AppendDictionaryXmlnsAttribute(char prefix, int key) |
| | | 948 | | { |
| | | 949 | | AppendNode(XmlBinaryNodeType.DictionaryXmlnsAttribute); |
| | | 950 | | AppendUtf8(prefix); |
| | | 951 | | AppendKey(key); |
| | | 952 | | } |
| | | 953 | | |
| | | 954 | | public void AppendPrefixDictionaryAttribute(char prefix, int key, char value) |
| | | 955 | | { |
| | | 956 | | AppendNode(XmlBinaryNodeType.PrefixDictionaryAttributeA + GetPrefixOffset(prefix)); |
| | | 957 | | AppendKey(key); |
| | | 958 | | if (value == '1') |
| | | 959 | | { |
| | | 960 | | AppendNode(XmlBinaryNodeType.OneText); |
| | | 961 | | } |
| | | 962 | | else |
| | | 963 | | { |
| | | 964 | | AppendNode(XmlBinaryNodeType.Chars8Text); |
| | | 965 | | AppendUtf8(value); |
| | | 966 | | } |
| | | 967 | | } |
| | | 968 | | |
| | | 969 | | public void AppendDictionaryAttribute(char prefix, int key, char value) |
| | | 970 | | { |
| | | 971 | | AppendNode(XmlBinaryNodeType.DictionaryAttribute); |
| | | 972 | | AppendUtf8(prefix); |
| | | 973 | | AppendKey(key); |
| | | 974 | | AppendNode(XmlBinaryNodeType.Chars8Text); |
| | | 975 | | AppendUtf8(value); |
| | | 976 | | } |
| | | 977 | | |
| | | 978 | | public void AppendDictionaryTextWithEndElement(int key) |
| | | 979 | | { |
| | | 980 | | AppendNode(XmlBinaryNodeType.DictionaryTextWithEndElement); |
| | | 981 | | AppendKey(key); |
| | | 982 | | } |
| | | 983 | | |
| | | 984 | | public void AppendDictionaryTextWithEndElement() |
| | | 985 | | { |
| | | 986 | | AppendNode(XmlBinaryNodeType.DictionaryTextWithEndElement); |
| | | 987 | | } |
| | | 988 | | |
| | | 989 | | public void AppendUniqueIDWithEndElement() |
| | | 990 | | { |
| | | 991 | | AppendNode(XmlBinaryNodeType.UniqueIdTextWithEndElement); |
| | | 992 | | } |
| | | 993 | | |
| | | 994 | | public void AppendEndElement() |
| | | 995 | | { |
| | | 996 | | AppendNode(XmlBinaryNodeType.EndElement); |
| | | 997 | | } |
| | | 998 | | |
| | | 999 | | private void AppendKey(int key) |
| | | 1000 | | { |
| | | 1001 | | if (key < 0 || key >= 0x4000) |
| | | 1002 | | { |
| | | 1003 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(key), k |
| | | 1004 | | SR.Format(SR.ValueMustBeInRange, 0, 0x4000))); |
| | | 1005 | | } |
| | | 1006 | | if (key >= 0x80) |
| | | 1007 | | { |
| | | 1008 | | AppendByte((key & 0x7f) | 0x80); |
| | | 1009 | | AppendByte(key >> 7); |
| | | 1010 | | } |
| | | 1011 | | else |
| | | 1012 | | { |
| | | 1013 | | AppendByte(key); |
| | | 1014 | | } |
| | | 1015 | | } |
| | | 1016 | | |
| | | 1017 | | private void AppendNode(XmlBinaryNodeType value) |
| | | 1018 | | { |
| | | 1019 | | AppendByte((int)value); |
| | | 1020 | | } |
| | | 1021 | | |
| | | 1022 | | private void AppendByte(int value) |
| | | 1023 | | { |
| | | 1024 | | if (value < 0 || value > 0xFF) |
| | | 1025 | | { |
| | | 1026 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), |
| | | 1027 | | SR.Format(SR.ValueMustBeInRange, 0, 0xFF))); |
| | | 1028 | | } |
| | | 1029 | | _bytes.Add((byte)value); |
| | | 1030 | | } |
| | | 1031 | | |
| | | 1032 | | private void AppendUtf8(char value) |
| | | 1033 | | { |
| | | 1034 | | AppendByte(1); |
| | | 1035 | | AppendByte((int)value); |
| | | 1036 | | } |
| | | 1037 | | |
| | | 1038 | | public int GetStaticKey(int value) |
| | | 1039 | | { |
| | | 1040 | | return value * 2; |
| | | 1041 | | } |
| | | 1042 | | |
| | | 1043 | | public int GetSessionKey(int value) |
| | | 1044 | | { |
| | | 1045 | | return value * 2 + 1; |
| | | 1046 | | } |
| | | 1047 | | |
| | | 1048 | | private int GetPrefixOffset(char prefix) |
| | | 1049 | | { |
| | | 1050 | | if (prefix < 'a' || prefix > 'z') |
| | | 1051 | | { |
| | | 1052 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(prefix) |
| | | 1053 | | SR.Format(SR.ValueMustBeInRange, 'a', 'z'))); |
| | | 1054 | | } |
| | | 1055 | | return prefix - 'a'; |
| | | 1056 | | } |
| | | 1057 | | |
| | | 1058 | | public byte[] ToByteArray() |
| | | 1059 | | { |
| | | 1060 | | byte[] array = _bytes.ToArray(); |
| | | 1061 | | _bytes.Clear(); |
| | | 1062 | | return array; |
| | | 1063 | | } |
| | | 1064 | | } |
| | | 1065 | | |
| | | 1066 | | internal static class BinaryFormatParser |
| | | 1067 | | { |
| | | 1068 | | public static bool IsSessionKey(int value) |
| | | 1069 | | { |
| | | 1070 | | return (value & 1) != 0; |
| | | 1071 | | } |
| | | 1072 | | |
| | | 1073 | | public static int GetSessionKey(int value) |
| | | 1074 | | { |
| | | 1075 | | return value / 2; |
| | | 1076 | | } |
| | | 1077 | | |
| | | 1078 | | public static int GetStaticKey(int value) |
| | | 1079 | | { |
| | | 1080 | | return value / 2; |
| | | 1081 | | } |
| | | 1082 | | |
| | | 1083 | | public static int ParseInt32(byte[] buffer, int offset, int size) |
| | | 1084 | | { |
| | | 1085 | | switch (size) |
| | | 1086 | | { |
| | | 1087 | | case 1: |
| | | 1088 | | return buffer[offset]; |
| | | 1089 | | case 2: |
| | | 1090 | | return (buffer[offset] & 0x7f) + (buffer[offset + 1] << 7); |
| | | 1091 | | case 3: |
| | | 1092 | | return (buffer[offset] & 0x7f) + ((buffer[offset + 1] & 0x7f) << 7) + (buffer[offset + 2] << 14); |
| | | 1093 | | case 4: |
| | | 1094 | | return (buffer[offset] & 0x7f) + ((buffer[offset + 1] & 0x7f) << 7) + ((buffer[offset + 2] & 0x7f) < |
| | | 1095 | | default: |
| | | 1096 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(siz |
| | | 1097 | | SR.Format(SR.ValueMustBeInRange, 1, 4))); |
| | | 1098 | | } |
| | | 1099 | | } |
| | | 1100 | | |
| | | 1101 | | public static int ParseKey(byte[] buffer, int offset, int size) |
| | | 1102 | | { |
| | | 1103 | | return ParseInt32(buffer, offset, size); |
| | | 1104 | | } |
| | | 1105 | | |
| | | 1106 | | public static unsafe UniqueId ParseUniqueID(byte[] buffer, int offset, int size) |
| | | 1107 | | { |
| | | 1108 | | return new UniqueId(buffer, offset); |
| | | 1109 | | } |
| | | 1110 | | |
| | | 1111 | | public static int MatchBytes(byte[] buffer, int offset, int size, byte[] buffer2) |
| | | 1112 | | { |
| | | 1113 | | if (size < buffer2.Length) |
| | | 1114 | | { |
| | | 1115 | | return 0; |
| | | 1116 | | } |
| | | 1117 | | int j = offset; |
| | | 1118 | | for (int i = 0; i < buffer2.Length; i++, j++) |
| | | 1119 | | { |
| | | 1120 | | if (buffer2[i] != buffer[j]) |
| | | 1121 | | { |
| | | 1122 | | return 0; |
| | | 1123 | | } |
| | | 1124 | | } |
| | | 1125 | | return buffer2.Length; |
| | | 1126 | | } |
| | | 1127 | | |
| | | 1128 | | |
| | | 1129 | | public static bool MatchAttributeNode(byte[] buffer, int offset, int size) |
| | | 1130 | | { |
| | | 1131 | | const XmlBinaryNodeType minAttribute = XmlBinaryNodeType.ShortAttribute; |
| | | 1132 | | const XmlBinaryNodeType maxAttribute = XmlBinaryNodeType.DictionaryAttribute; |
| | | 1133 | | if (size < 1) |
| | | 1134 | | { |
| | | 1135 | | return false; |
| | | 1136 | | } |
| | | 1137 | | XmlBinaryNodeType nodeType = (XmlBinaryNodeType)buffer[offset]; |
| | | 1138 | | return nodeType >= minAttribute && nodeType <= maxAttribute; |
| | | 1139 | | } |
| | | 1140 | | |
| | | 1141 | | public static int MatchKey(byte[] buffer, int offset, int size) |
| | | 1142 | | { |
| | | 1143 | | return MatchInt32(buffer, offset, size); |
| | | 1144 | | } |
| | | 1145 | | |
| | | 1146 | | public static int MatchInt32(byte[] buffer, int offset, int size) |
| | | 1147 | | { |
| | | 1148 | | if (size > 0) |
| | | 1149 | | { |
| | | 1150 | | if ((buffer[offset] & 0x80) == 0) |
| | | 1151 | | { |
| | | 1152 | | return 1; |
| | | 1153 | | } |
| | | 1154 | | } |
| | | 1155 | | if (size > 1) |
| | | 1156 | | { |
| | | 1157 | | if ((buffer[offset + 1] & 0x80) == 0) |
| | | 1158 | | { |
| | | 1159 | | return 2; |
| | | 1160 | | } |
| | | 1161 | | } |
| | | 1162 | | if (size > 2) |
| | | 1163 | | { |
| | | 1164 | | if ((buffer[offset + 2] & 0x80) == 0) |
| | | 1165 | | { |
| | | 1166 | | return 3; |
| | | 1167 | | } |
| | | 1168 | | } |
| | | 1169 | | if (size > 3) |
| | | 1170 | | { |
| | | 1171 | | if ((buffer[offset + 3] & 0x80) == 0) |
| | | 1172 | | { |
| | | 1173 | | return 4; |
| | | 1174 | | } |
| | | 1175 | | } |
| | | 1176 | | |
| | | 1177 | | return 0; |
| | | 1178 | | } |
| | | 1179 | | |
| | | 1180 | | public static int MatchUniqueID(byte[] buffer, int offset, int size) |
| | | 1181 | | { |
| | | 1182 | | if (size < 16) |
| | | 1183 | | { |
| | | 1184 | | return 0; |
| | | 1185 | | } |
| | | 1186 | | return 16; |
| | | 1187 | | } |
| | | 1188 | | } |
| | | 1189 | | |
| | | 1190 | | internal class MessagePatterns |
| | | 1191 | | { |
| | | 1192 | | private static readonly byte[] s_commonFragment; // <Envelope><Headers><Action> |
| | | 1193 | | private static readonly byte[] s_requestFragment1; // </Action><MessageID> |
| | | 1194 | | private static readonly byte[] s_requestFragment2; // </MessageID><ReplyTo>...</ReplyTo><To>session-to-key</To>< |
| | | 1195 | | private static readonly byte[] s_responseFragment1; // </Action><RelatesTo> |
| | | 1196 | | private static readonly byte[] s_responseFragment2; // </RelatesTo><To>static-anonymous-key</To></Headers><Body> |
| | | 1197 | | private static readonly byte[] s_bodyFragment; // <Envelope><Body> |
| | | 1198 | | private const int ToValueSessionKey = 1; |
| | | 1199 | | private readonly IXmlDictionary _dictionary; |
| | | 1200 | | private readonly XmlBinaryReaderSession _readerSession; |
| | | 1201 | | private ToHeader _toHeader; |
| | | 1202 | | private readonly MessageVersion _messageVersion; |
| | | 1203 | | |
| | | 1204 | | static MessagePatterns() |
| | | 1205 | | { |
| | 3 | 1206 | | BinaryFormatBuilder builder = new BinaryFormatBuilder(); |
| | | 1207 | | |
| | 3 | 1208 | | MessageDictionary messageDictionary = XD.MessageDictionary; |
| | 3 | 1209 | | Message12Dictionary message12Dictionary = XD.Message12Dictionary; |
| | 3 | 1210 | | AddressingDictionary addressingDictionary = XD.AddressingDictionary; |
| | 3 | 1211 | | Addressing10Dictionary addressing10Dictionary = XD.Addressing10Dictionary; |
| | | 1212 | | |
| | 3 | 1213 | | char messagePrefix = MessageStrings.Prefix[0]; |
| | 3 | 1214 | | char addressingPrefix = AddressingStrings.Prefix[0]; |
| | | 1215 | | |
| | | 1216 | | // <s:Envelope xmlns:s="soap-ns" xmlns="addressing-ns"> |
| | 3 | 1217 | | builder.AppendPrefixDictionaryElement(messagePrefix, builder.GetStaticKey(messageDictionary.Envelope.Key)); |
| | 3 | 1218 | | builder.AppendDictionaryXmlnsAttribute(messagePrefix, builder.GetStaticKey(message12Dictionary.Namespace.Key |
| | 3 | 1219 | | builder.AppendDictionaryXmlnsAttribute(addressingPrefix, builder.GetStaticKey(addressing10Dictionary.Namespa |
| | | 1220 | | |
| | | 1221 | | // <s:Header> |
| | 3 | 1222 | | builder.AppendPrefixDictionaryElement(messagePrefix, builder.GetStaticKey(messageDictionary.Header.Key)); |
| | | 1223 | | |
| | | 1224 | | // <a:Action>... |
| | 3 | 1225 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.Action.Key |
| | 3 | 1226 | | builder.AppendPrefixDictionaryAttribute(messagePrefix, builder.GetStaticKey(messageDictionary.MustUnderstand |
| | 3 | 1227 | | builder.AppendDictionaryTextWithEndElement(); |
| | 3 | 1228 | | s_commonFragment = builder.ToByteArray(); |
| | | 1229 | | |
| | | 1230 | | // <a:MessageID>... |
| | 3 | 1231 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.MessageId. |
| | 3 | 1232 | | builder.AppendUniqueIDWithEndElement(); |
| | 3 | 1233 | | s_requestFragment1 = builder.ToByteArray(); |
| | | 1234 | | |
| | | 1235 | | // <a:ReplyTo><a:Address>static-anonymous-key</a:Address></a:ReplyTo> |
| | 3 | 1236 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.ReplyTo.Ke |
| | 3 | 1237 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.Address.Ke |
| | 3 | 1238 | | builder.AppendDictionaryTextWithEndElement(builder.GetStaticKey(addressing10Dictionary.Anonymous.Key)); |
| | 3 | 1239 | | builder.AppendEndElement(); |
| | | 1240 | | |
| | | 1241 | | // <a:To>session-to-key</a:To> |
| | 3 | 1242 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.To.Key)); |
| | 3 | 1243 | | builder.AppendPrefixDictionaryAttribute(messagePrefix, builder.GetStaticKey(messageDictionary.MustUnderstand |
| | 3 | 1244 | | builder.AppendDictionaryTextWithEndElement(builder.GetSessionKey(ToValueSessionKey)); |
| | | 1245 | | |
| | | 1246 | | // </s:Header> |
| | 3 | 1247 | | builder.AppendEndElement(); |
| | | 1248 | | |
| | | 1249 | | // <s:Body> |
| | 3 | 1250 | | builder.AppendPrefixDictionaryElement(messagePrefix, builder.GetStaticKey(messageDictionary.Body.Key)); |
| | 3 | 1251 | | s_requestFragment2 = builder.ToByteArray(); |
| | | 1252 | | |
| | | 1253 | | // <a:RelatesTo>... |
| | 3 | 1254 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.RelatesTo. |
| | 3 | 1255 | | builder.AppendUniqueIDWithEndElement(); |
| | 3 | 1256 | | s_responseFragment1 = builder.ToByteArray(); |
| | | 1257 | | |
| | | 1258 | | // <a:To>static-anonymous-key</a:To> |
| | 3 | 1259 | | builder.AppendPrefixDictionaryElement(addressingPrefix, builder.GetStaticKey(addressingDictionary.To.Key)); |
| | 3 | 1260 | | builder.AppendPrefixDictionaryAttribute(messagePrefix, builder.GetStaticKey(messageDictionary.MustUnderstand |
| | 3 | 1261 | | builder.AppendDictionaryTextWithEndElement(builder.GetStaticKey(addressing10Dictionary.Anonymous.Key)); |
| | | 1262 | | |
| | | 1263 | | // </s:Header> |
| | 3 | 1264 | | builder.AppendEndElement(); |
| | | 1265 | | |
| | | 1266 | | // <s:Body> |
| | 3 | 1267 | | builder.AppendPrefixDictionaryElement(messagePrefix, builder.GetStaticKey(messageDictionary.Body.Key)); |
| | 3 | 1268 | | s_responseFragment2 = builder.ToByteArray(); |
| | | 1269 | | |
| | | 1270 | | // <s:Envelope xmlns:s="soap-ns" xmlns="addressing-ns"> |
| | 3 | 1271 | | builder.AppendPrefixDictionaryElement(messagePrefix, builder.GetStaticKey(messageDictionary.Envelope.Key)); |
| | 3 | 1272 | | builder.AppendDictionaryXmlnsAttribute(messagePrefix, builder.GetStaticKey(message12Dictionary.Namespace.Key |
| | 3 | 1273 | | builder.AppendDictionaryXmlnsAttribute(addressingPrefix, builder.GetStaticKey(addressing10Dictionary.Namespa |
| | | 1274 | | |
| | | 1275 | | // <s:Body> |
| | 3 | 1276 | | builder.AppendPrefixDictionaryElement(messagePrefix, builder.GetStaticKey(messageDictionary.Body.Key)); |
| | 3 | 1277 | | s_bodyFragment = builder.ToByteArray(); |
| | 3 | 1278 | | } |
| | | 1279 | | |
| | 68 | 1280 | | public MessagePatterns(IXmlDictionary dictionary, XmlBinaryReaderSession readerSession, MessageVersion messageVe |
| | | 1281 | | { |
| | 68 | 1282 | | _dictionary = dictionary; |
| | 68 | 1283 | | _readerSession = readerSession; |
| | 68 | 1284 | | _messageVersion = messageVersion; |
| | 68 | 1285 | | } |
| | | 1286 | | |
| | | 1287 | | public Message TryCreateMessage(byte[] buffer, int offset, int size, BufferManager bufferManager, BufferedMessag |
| | | 1288 | | { |
| | | 1289 | | RelatesToHeader relatesToHeader; |
| | | 1290 | | MessageIDHeader messageIDHeader; |
| | | 1291 | | XmlDictionaryString toString; |
| | | 1292 | | |
| | 81 | 1293 | | int currentOffset = offset; |
| | 81 | 1294 | | int remainingSize = size; |
| | | 1295 | | |
| | 81 | 1296 | | int bytesMatched = BinaryFormatParser.MatchBytes(buffer, currentOffset, remainingSize, s_commonFragment); |
| | 81 | 1297 | | if (bytesMatched == 0) |
| | | 1298 | | { |
| | 11 | 1299 | | return null; |
| | | 1300 | | } |
| | 70 | 1301 | | currentOffset += bytesMatched; |
| | 70 | 1302 | | remainingSize -= bytesMatched; |
| | | 1303 | | |
| | 70 | 1304 | | bytesMatched = BinaryFormatParser.MatchKey(buffer, currentOffset, remainingSize); |
| | 70 | 1305 | | if (bytesMatched == 0) |
| | | 1306 | | { |
| | 0 | 1307 | | return null; |
| | | 1308 | | } |
| | 70 | 1309 | | int actionOffset = currentOffset; |
| | 70 | 1310 | | int actionSize = bytesMatched; |
| | 70 | 1311 | | currentOffset += bytesMatched; |
| | 70 | 1312 | | remainingSize -= bytesMatched; |
| | | 1313 | | |
| | | 1314 | | int totalBytesMatched; |
| | | 1315 | | |
| | 70 | 1316 | | bytesMatched = BinaryFormatParser.MatchBytes(buffer, currentOffset, remainingSize, s_requestFragment1); |
| | 70 | 1317 | | if (bytesMatched != 0) |
| | | 1318 | | { |
| | 68 | 1319 | | currentOffset += bytesMatched; |
| | 68 | 1320 | | remainingSize -= bytesMatched; |
| | | 1321 | | |
| | 68 | 1322 | | bytesMatched = BinaryFormatParser.MatchUniqueID(buffer, currentOffset, remainingSize); |
| | 68 | 1323 | | if (bytesMatched == 0) |
| | | 1324 | | { |
| | 0 | 1325 | | return null; |
| | | 1326 | | } |
| | 68 | 1327 | | int messageIDOffset = currentOffset; |
| | 68 | 1328 | | int messageIDSize = bytesMatched; |
| | 68 | 1329 | | currentOffset += bytesMatched; |
| | 68 | 1330 | | remainingSize -= bytesMatched; |
| | | 1331 | | |
| | 68 | 1332 | | bytesMatched = BinaryFormatParser.MatchBytes(buffer, currentOffset, remainingSize, s_requestFragment2); |
| | 68 | 1333 | | if (bytesMatched == 0) |
| | | 1334 | | { |
| | 0 | 1335 | | return null; |
| | | 1336 | | } |
| | 68 | 1337 | | currentOffset += bytesMatched; |
| | 68 | 1338 | | remainingSize -= bytesMatched; |
| | | 1339 | | |
| | 68 | 1340 | | if (BinaryFormatParser.MatchAttributeNode(buffer, currentOffset, remainingSize)) |
| | | 1341 | | { |
| | 0 | 1342 | | return null; |
| | | 1343 | | } |
| | | 1344 | | |
| | 68 | 1345 | | UniqueId messageId = BinaryFormatParser.ParseUniqueID(buffer, messageIDOffset, messageIDSize); |
| | 68 | 1346 | | messageIDHeader = MessageIDHeader.Create(messageId, _messageVersion.Addressing); |
| | 68 | 1347 | | relatesToHeader = null; |
| | | 1348 | | |
| | 68 | 1349 | | if (!_readerSession.TryLookup(ToValueSessionKey, out toString)) |
| | | 1350 | | { |
| | 0 | 1351 | | return null; |
| | | 1352 | | } |
| | | 1353 | | |
| | 68 | 1354 | | totalBytesMatched = s_requestFragment1.Length + messageIDSize + s_requestFragment2.Length; |
| | | 1355 | | } |
| | | 1356 | | else |
| | | 1357 | | { |
| | 2 | 1358 | | bytesMatched = BinaryFormatParser.MatchBytes(buffer, currentOffset, remainingSize, s_responseFragment1); |
| | | 1359 | | |
| | 2 | 1360 | | if (bytesMatched == 0) |
| | | 1361 | | { |
| | 1 | 1362 | | return null; |
| | | 1363 | | } |
| | | 1364 | | |
| | 1 | 1365 | | currentOffset += bytesMatched; |
| | 1 | 1366 | | remainingSize -= bytesMatched; |
| | | 1367 | | |
| | 1 | 1368 | | bytesMatched = BinaryFormatParser.MatchUniqueID(buffer, currentOffset, remainingSize); |
| | 1 | 1369 | | if (bytesMatched == 0) |
| | | 1370 | | { |
| | 0 | 1371 | | return null; |
| | | 1372 | | } |
| | 1 | 1373 | | int messageIDOffset = currentOffset; |
| | 1 | 1374 | | int messageIDSize = bytesMatched; |
| | 1 | 1375 | | currentOffset += bytesMatched; |
| | 1 | 1376 | | remainingSize -= bytesMatched; |
| | | 1377 | | |
| | 1 | 1378 | | bytesMatched = BinaryFormatParser.MatchBytes(buffer, currentOffset, remainingSize, s_responseFragment2); |
| | 1 | 1379 | | if (bytesMatched == 0) |
| | | 1380 | | { |
| | 1 | 1381 | | return null; |
| | | 1382 | | } |
| | 0 | 1383 | | currentOffset += bytesMatched; |
| | 0 | 1384 | | remainingSize -= bytesMatched; |
| | | 1385 | | |
| | 0 | 1386 | | if (BinaryFormatParser.MatchAttributeNode(buffer, currentOffset, remainingSize)) |
| | | 1387 | | { |
| | 0 | 1388 | | return null; |
| | | 1389 | | } |
| | | 1390 | | |
| | 0 | 1391 | | UniqueId messageId = BinaryFormatParser.ParseUniqueID(buffer, messageIDOffset, messageIDSize); |
| | 0 | 1392 | | relatesToHeader = RelatesToHeader.Create(messageId, _messageVersion.Addressing); |
| | 0 | 1393 | | messageIDHeader = null; |
| | 0 | 1394 | | toString = XD.Addressing10Dictionary.Anonymous; |
| | | 1395 | | |
| | 0 | 1396 | | totalBytesMatched = s_responseFragment1.Length + messageIDSize + s_responseFragment2.Length; |
| | | 1397 | | } |
| | | 1398 | | |
| | 68 | 1399 | | totalBytesMatched += s_commonFragment.Length + actionSize; |
| | | 1400 | | |
| | 68 | 1401 | | int actionKey = BinaryFormatParser.ParseKey(buffer, actionOffset, actionSize); |
| | | 1402 | | |
| | 68 | 1403 | | if (!TryLookupKey(actionKey, out XmlDictionaryString actionString)) |
| | | 1404 | | { |
| | 0 | 1405 | | return null; |
| | | 1406 | | } |
| | | 1407 | | |
| | 68 | 1408 | | ActionHeader actionHeader = ActionHeader.Create(actionString, _messageVersion.Addressing); |
| | | 1409 | | |
| | 68 | 1410 | | if (_toHeader == null) |
| | | 1411 | | { |
| | 58 | 1412 | | _toHeader = ToHeader.Create(new Uri(toString.Value), _messageVersion.Addressing); |
| | | 1413 | | } |
| | | 1414 | | |
| | 68 | 1415 | | int abandonedSize = totalBytesMatched - s_bodyFragment.Length; |
| | | 1416 | | |
| | 68 | 1417 | | offset += abandonedSize; |
| | 68 | 1418 | | size -= abandonedSize; |
| | | 1419 | | |
| | 68 | 1420 | | Buffer.BlockCopy(s_bodyFragment, 0, buffer, offset, s_bodyFragment.Length); |
| | | 1421 | | |
| | 68 | 1422 | | messageData.Open(new ArraySegment<byte>(buffer, offset, size), bufferManager); |
| | | 1423 | | |
| | 68 | 1424 | | PatternMessage patternMessage = new PatternMessage(messageData, _messageVersion); |
| | | 1425 | | |
| | 68 | 1426 | | MessageHeaders headers = patternMessage.Headers; |
| | 68 | 1427 | | headers.AddActionHeader(actionHeader); |
| | 68 | 1428 | | if (messageIDHeader != null) |
| | | 1429 | | { |
| | 68 | 1430 | | headers.AddMessageIDHeader(messageIDHeader); |
| | 68 | 1431 | | headers.AddReplyToHeader(ReplyToHeader.AnonymousReplyTo10); |
| | | 1432 | | } |
| | | 1433 | | else |
| | | 1434 | | { |
| | 0 | 1435 | | headers.AddRelatesToHeader(relatesToHeader); |
| | | 1436 | | } |
| | 68 | 1437 | | headers.AddToHeader(_toHeader); |
| | | 1438 | | |
| | 68 | 1439 | | return patternMessage; |
| | | 1440 | | } |
| | | 1441 | | |
| | | 1442 | | private bool TryLookupKey(int key, out XmlDictionaryString result) |
| | | 1443 | | { |
| | 68 | 1444 | | if (BinaryFormatParser.IsSessionKey(key)) |
| | | 1445 | | { |
| | 68 | 1446 | | return _readerSession.TryLookup(BinaryFormatParser.GetSessionKey(key), out result); |
| | | 1447 | | } |
| | | 1448 | | else |
| | | 1449 | | { |
| | 0 | 1450 | | return _dictionary.TryLookup(BinaryFormatParser.GetStaticKey(key), out result); |
| | | 1451 | | } |
| | | 1452 | | } |
| | | 1453 | | |
| | | 1454 | | private sealed class PatternMessage : ReceivedMessage |
| | | 1455 | | { |
| | | 1456 | | private IBufferedMessageData _messageData; |
| | | 1457 | | private readonly MessageHeaders _headers; |
| | | 1458 | | private RecycledMessageState _recycledMessageState; |
| | | 1459 | | private readonly MessageProperties _properties; |
| | | 1460 | | private XmlDictionaryReader _reader; |
| | | 1461 | | |
| | 68 | 1462 | | public PatternMessage(IBufferedMessageData messageData, MessageVersion messageVersion) |
| | | 1463 | | { |
| | 68 | 1464 | | _messageData = messageData; |
| | 68 | 1465 | | _recycledMessageState = messageData.TakeMessageState(); |
| | 68 | 1466 | | if (_recycledMessageState == null) |
| | | 1467 | | { |
| | 68 | 1468 | | _recycledMessageState = new RecycledMessageState(); |
| | | 1469 | | } |
| | 68 | 1470 | | _properties = _recycledMessageState.TakeProperties(); |
| | 68 | 1471 | | if (_properties == null) |
| | | 1472 | | { |
| | 68 | 1473 | | _properties = new MessageProperties(); |
| | | 1474 | | } |
| | 68 | 1475 | | _headers = _recycledMessageState.TakeHeaders(); |
| | 68 | 1476 | | if (_headers == null) |
| | | 1477 | | { |
| | 68 | 1478 | | _headers = new MessageHeaders(messageVersion); |
| | | 1479 | | } |
| | | 1480 | | else |
| | | 1481 | | { |
| | 0 | 1482 | | _headers.Init(messageVersion); |
| | | 1483 | | } |
| | 68 | 1484 | | XmlDictionaryReader reader = messageData.GetMessageReader(); |
| | 68 | 1485 | | reader.ReadStartElement(); |
| | 68 | 1486 | | VerifyStartBody(reader, messageVersion.Envelope); |
| | 68 | 1487 | | ReadStartBody(reader); |
| | 68 | 1488 | | _reader = reader; |
| | 68 | 1489 | | } |
| | | 1490 | | |
| | 0 | 1491 | | public PatternMessage(IBufferedMessageData messageData, MessageVersion messageVersion, |
| | 0 | 1492 | | KeyValuePair<string, object>[] properties, MessageHeaders headers) |
| | | 1493 | | { |
| | 0 | 1494 | | _messageData = messageData; |
| | 0 | 1495 | | _messageData.Open(); |
| | 0 | 1496 | | _recycledMessageState = _messageData.TakeMessageState(); |
| | 0 | 1497 | | if (_recycledMessageState == null) |
| | | 1498 | | { |
| | 0 | 1499 | | _recycledMessageState = new RecycledMessageState(); |
| | | 1500 | | } |
| | | 1501 | | |
| | 0 | 1502 | | _properties = _recycledMessageState.TakeProperties(); |
| | 0 | 1503 | | if (_properties == null) |
| | | 1504 | | { |
| | 0 | 1505 | | _properties = new MessageProperties(); |
| | | 1506 | | } |
| | 0 | 1507 | | if (properties != null) |
| | | 1508 | | { |
| | 0 | 1509 | | _properties.CopyProperties(properties); |
| | | 1510 | | } |
| | | 1511 | | |
| | 0 | 1512 | | _headers = _recycledMessageState.TakeHeaders(); |
| | 0 | 1513 | | if (_headers == null) |
| | | 1514 | | { |
| | 0 | 1515 | | _headers = new MessageHeaders(messageVersion); |
| | | 1516 | | } |
| | 0 | 1517 | | if (headers != null) |
| | | 1518 | | { |
| | 0 | 1519 | | _headers.CopyHeadersFrom(headers); |
| | | 1520 | | } |
| | | 1521 | | |
| | 0 | 1522 | | XmlDictionaryReader reader = messageData.GetMessageReader(); |
| | 0 | 1523 | | reader.ReadStartElement(); |
| | 0 | 1524 | | VerifyStartBody(reader, messageVersion.Envelope); |
| | 0 | 1525 | | ReadStartBody(reader); |
| | 0 | 1526 | | _reader = reader; |
| | 0 | 1527 | | } |
| | | 1528 | | |
| | | 1529 | | |
| | | 1530 | | public override MessageHeaders Headers |
| | | 1531 | | { |
| | | 1532 | | get |
| | | 1533 | | { |
| | 854 | 1534 | | if (IsDisposed) |
| | | 1535 | | { |
| | 0 | 1536 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateMessageDisposedException()); |
| | | 1537 | | } |
| | 854 | 1538 | | return _headers; |
| | | 1539 | | } |
| | | 1540 | | } |
| | | 1541 | | |
| | | 1542 | | public override MessageProperties Properties |
| | | 1543 | | { |
| | | 1544 | | get |
| | | 1545 | | { |
| | 417 | 1546 | | if (IsDisposed) |
| | | 1547 | | { |
| | 0 | 1548 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateMessageDisposedException()); |
| | | 1549 | | } |
| | 417 | 1550 | | return _properties; |
| | | 1551 | | } |
| | | 1552 | | } |
| | | 1553 | | |
| | | 1554 | | public override MessageVersion Version |
| | | 1555 | | { |
| | | 1556 | | get |
| | | 1557 | | { |
| | 346 | 1558 | | if (IsDisposed) |
| | | 1559 | | { |
| | 0 | 1560 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateMessageDisposedException()); |
| | | 1561 | | } |
| | 346 | 1562 | | return _headers.MessageVersion; |
| | | 1563 | | } |
| | | 1564 | | } |
| | | 1565 | | |
| | | 1566 | | public override RecycledMessageState RecycledMessageState |
| | | 1567 | | { |
| | 0 | 1568 | | get { return _recycledMessageState; } |
| | | 1569 | | } |
| | | 1570 | | |
| | | 1571 | | private XmlDictionaryReader GetBufferedReaderAtBody() |
| | | 1572 | | { |
| | 0 | 1573 | | XmlDictionaryReader reader = _messageData.GetMessageReader(); |
| | 0 | 1574 | | reader.ReadStartElement(); |
| | 0 | 1575 | | reader.ReadStartElement(); |
| | 0 | 1576 | | return reader; |
| | | 1577 | | } |
| | | 1578 | | |
| | | 1579 | | protected override void OnBodyToString(XmlDictionaryWriter writer) |
| | | 1580 | | { |
| | 0 | 1581 | | using (XmlDictionaryReader reader = GetBufferedReaderAtBody()) |
| | | 1582 | | { |
| | 0 | 1583 | | while (reader.NodeType != XmlNodeType.EndElement) |
| | | 1584 | | { |
| | 0 | 1585 | | writer.WriteNode(reader, false); |
| | | 1586 | | } |
| | 0 | 1587 | | } |
| | 0 | 1588 | | } |
| | | 1589 | | |
| | | 1590 | | protected override void OnClose() |
| | | 1591 | | { |
| | 66 | 1592 | | Exception ex = null; |
| | | 1593 | | try |
| | | 1594 | | { |
| | 66 | 1595 | | base.OnClose(); |
| | 66 | 1596 | | } |
| | | 1597 | | catch (Exception e) |
| | | 1598 | | { |
| | 0 | 1599 | | if (Fx.IsFatal(e)) |
| | | 1600 | | { |
| | 0 | 1601 | | throw; |
| | | 1602 | | } |
| | 0 | 1603 | | ex = e; |
| | 0 | 1604 | | } |
| | | 1605 | | |
| | | 1606 | | try |
| | | 1607 | | { |
| | 66 | 1608 | | _properties.Dispose(); |
| | 66 | 1609 | | } |
| | 0 | 1610 | | catch (Exception e) |
| | | 1611 | | { |
| | 0 | 1612 | | if (Fx.IsFatal(e)) |
| | | 1613 | | { |
| | 0 | 1614 | | throw; |
| | | 1615 | | } |
| | 0 | 1616 | | if (ex == null) |
| | | 1617 | | { |
| | 0 | 1618 | | ex = e; |
| | | 1619 | | } |
| | 0 | 1620 | | } |
| | | 1621 | | |
| | | 1622 | | try |
| | | 1623 | | { |
| | 66 | 1624 | | if (_reader != null) |
| | | 1625 | | { |
| | 0 | 1626 | | _reader.Dispose(); |
| | | 1627 | | } |
| | 66 | 1628 | | } |
| | 0 | 1629 | | catch (Exception e) |
| | | 1630 | | { |
| | 0 | 1631 | | if (Fx.IsFatal(e)) |
| | | 1632 | | { |
| | 0 | 1633 | | throw; |
| | | 1634 | | } |
| | 0 | 1635 | | if (ex == null) |
| | | 1636 | | { |
| | 0 | 1637 | | ex = e; |
| | | 1638 | | } |
| | 0 | 1639 | | } |
| | | 1640 | | |
| | | 1641 | | try |
| | | 1642 | | { |
| | 66 | 1643 | | _recycledMessageState.ReturnHeaders(_headers); |
| | 66 | 1644 | | _recycledMessageState.ReturnProperties(_properties); |
| | 66 | 1645 | | _messageData.ReturnMessageState(_recycledMessageState); |
| | 66 | 1646 | | _recycledMessageState = null; |
| | 66 | 1647 | | _messageData.Close(); |
| | 66 | 1648 | | _messageData = null; |
| | 66 | 1649 | | } |
| | 0 | 1650 | | catch (Exception e) |
| | | 1651 | | { |
| | 0 | 1652 | | if (Fx.IsFatal(e)) |
| | | 1653 | | { |
| | 0 | 1654 | | throw; |
| | | 1655 | | } |
| | 0 | 1656 | | if (ex == null) |
| | | 1657 | | { |
| | 0 | 1658 | | ex = e; |
| | | 1659 | | } |
| | 0 | 1660 | | } |
| | | 1661 | | |
| | 66 | 1662 | | if (ex != null) |
| | | 1663 | | { |
| | 0 | 1664 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(ex); |
| | | 1665 | | } |
| | 66 | 1666 | | } |
| | | 1667 | | |
| | | 1668 | | protected override MessageBuffer OnCreateBufferedCopy(int maxBufferSize) |
| | | 1669 | | { |
| | 0 | 1670 | | KeyValuePair<string, object>[] properties = new KeyValuePair<string, object>[Properties.Count]; |
| | 0 | 1671 | | ((ICollection<KeyValuePair<string, object>>)Properties).CopyTo(properties, 0); |
| | 0 | 1672 | | _messageData.EnableMultipleUsers(); |
| | 0 | 1673 | | return new PatternMessageBuffer(_messageData, Version, properties, _headers); |
| | | 1674 | | } |
| | | 1675 | | |
| | | 1676 | | protected override XmlDictionaryReader OnGetReaderAtBodyContents() |
| | | 1677 | | { |
| | 66 | 1678 | | XmlDictionaryReader reader = _reader; |
| | 66 | 1679 | | _reader = null; |
| | 66 | 1680 | | return reader; |
| | | 1681 | | } |
| | | 1682 | | |
| | | 1683 | | protected override string OnGetBodyAttribute(string localName, string ns) |
| | | 1684 | | { |
| | 0 | 1685 | | return null; |
| | | 1686 | | } |
| | | 1687 | | } |
| | | 1688 | | |
| | | 1689 | | private class PatternMessageBuffer : MessageBuffer |
| | | 1690 | | { |
| | | 1691 | | private bool _closed; |
| | | 1692 | | private MessageHeaders _headers; |
| | | 1693 | | private IBufferedMessageData _messageDataAtBody; |
| | | 1694 | | private MessageVersion _messageVersion; |
| | | 1695 | | private KeyValuePair<string, object>[] _properties; |
| | | 1696 | | private RecycledMessageState _recycledMessageState; |
| | | 1697 | | |
| | 0 | 1698 | | public PatternMessageBuffer(IBufferedMessageData messageDataAtBody, MessageVersion messageVersion, |
| | 0 | 1699 | | KeyValuePair<string, object>[] properties, MessageHeaders headers) |
| | | 1700 | | { |
| | 0 | 1701 | | _messageDataAtBody = messageDataAtBody; |
| | 0 | 1702 | | _messageDataAtBody.Open(); |
| | | 1703 | | |
| | 0 | 1704 | | _recycledMessageState = _messageDataAtBody.TakeMessageState(); |
| | 0 | 1705 | | if (_recycledMessageState == null) |
| | | 1706 | | { |
| | 0 | 1707 | | _recycledMessageState = new RecycledMessageState(); |
| | | 1708 | | } |
| | | 1709 | | |
| | 0 | 1710 | | _headers = _recycledMessageState.TakeHeaders(); |
| | 0 | 1711 | | if (_headers == null) |
| | | 1712 | | { |
| | 0 | 1713 | | _headers = new MessageHeaders(messageVersion); |
| | | 1714 | | } |
| | 0 | 1715 | | _headers.CopyHeadersFrom(headers); |
| | 0 | 1716 | | _properties = properties; |
| | 0 | 1717 | | _messageVersion = messageVersion; |
| | 0 | 1718 | | } |
| | | 1719 | | |
| | | 1720 | | public override int BufferSize |
| | | 1721 | | { |
| | | 1722 | | get |
| | | 1723 | | { |
| | 0 | 1724 | | lock (ThisLock) |
| | | 1725 | | { |
| | 0 | 1726 | | if (_closed) |
| | | 1727 | | { |
| | 0 | 1728 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateBufferDisposedException()); |
| | | 1729 | | } |
| | | 1730 | | |
| | 0 | 1731 | | return _messageDataAtBody.Buffer.Count; |
| | | 1732 | | } |
| | 0 | 1733 | | } |
| | | 1734 | | } |
| | | 1735 | | |
| | 0 | 1736 | | private object ThisLock { get; } = new object(); |
| | | 1737 | | |
| | | 1738 | | public override void Close() |
| | | 1739 | | { |
| | 0 | 1740 | | lock (ThisLock) |
| | | 1741 | | { |
| | 0 | 1742 | | if (!_closed) |
| | | 1743 | | { |
| | 0 | 1744 | | _closed = true; |
| | 0 | 1745 | | _recycledMessageState.ReturnHeaders(_headers); |
| | 0 | 1746 | | _messageDataAtBody.ReturnMessageState(_recycledMessageState); |
| | 0 | 1747 | | _messageDataAtBody.Close(); |
| | 0 | 1748 | | _recycledMessageState = null; |
| | 0 | 1749 | | _messageDataAtBody = null; |
| | 0 | 1750 | | _properties = null; |
| | 0 | 1751 | | _messageVersion = null; |
| | 0 | 1752 | | _headers = null; |
| | | 1753 | | } |
| | 0 | 1754 | | } |
| | 0 | 1755 | | } |
| | | 1756 | | |
| | | 1757 | | public override Message CreateMessage() |
| | | 1758 | | { |
| | 0 | 1759 | | lock (ThisLock) |
| | | 1760 | | { |
| | 0 | 1761 | | if (_closed) |
| | | 1762 | | { |
| | 0 | 1763 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateBufferDisposedException()); |
| | | 1764 | | } |
| | | 1765 | | |
| | 0 | 1766 | | return new PatternMessage(_messageDataAtBody, _messageVersion, _properties, |
| | 0 | 1767 | | _headers); |
| | | 1768 | | } |
| | 0 | 1769 | | } |
| | | 1770 | | } |
| | | 1771 | | } |
| | | 1772 | | } |