| | | 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.IO; |
| | | 6 | | using System.Threading.Tasks; |
| | | 7 | | using System.Xml; |
| | | 8 | | using CoreWCF.Runtime; |
| | | 9 | | using CoreWCF.Runtime.Diagnostics; |
| | | 10 | | |
| | | 11 | | namespace CoreWCF.Channels |
| | | 12 | | { |
| | | 13 | | internal class ByteStreamMessageEncoder : MessageEncoder, ITraceSourceStringProvider |
| | | 14 | | { |
| | | 15 | | private readonly string _maxSentMessageSizeExceededResourceString; |
| | | 16 | | private readonly XmlDictionaryReaderQuotas _quotas; |
| | | 17 | | private readonly XmlDictionaryReaderQuotas _bufferedReadReaderQuotas; |
| | | 18 | | /// Specifies if this encoder produces Messages that provide a body reader (with the Message.GetReaderAtBodyCont |
| | | 19 | | private readonly bool _moveBodyReaderToContent; |
| | | 20 | | |
| | 35 | 21 | | public ByteStreamMessageEncoder(XmlDictionaryReaderQuotas quotas, bool moveBodyReaderToContent) |
| | | 22 | | { |
| | 35 | 23 | | _quotas = new XmlDictionaryReaderQuotas(); |
| | 35 | 24 | | quotas.CopyTo(_quotas); |
| | | 25 | | |
| | 35 | 26 | | _bufferedReadReaderQuotas = EncoderHelpers.GetBufferedReadQuotas(_quotas); |
| | | 27 | | |
| | 35 | 28 | | _maxSentMessageSizeExceededResourceString = SR.MaxSentMessageSizeExceeded; |
| | 35 | 29 | | _moveBodyReaderToContent = moveBodyReaderToContent; |
| | 35 | 30 | | } |
| | | 31 | | |
| | 0 | 32 | | public override string ContentType => null; |
| | | 33 | | |
| | 0 | 34 | | public override string MediaType => null; |
| | | 35 | | |
| | 5 | 36 | | public override MessageVersion MessageVersion => MessageVersion.None; |
| | | 37 | | |
| | 38 | 38 | | public override bool IsContentTypeSupported(string contentType) => true; |
| | | 39 | | |
| | | 40 | | public override Task<Message> ReadMessageAsync(Stream stream, int maxSizeOfHeaders, string contentType) |
| | | 41 | | { |
| | 2 | 42 | | if (stream == null) |
| | | 43 | | { |
| | 0 | 44 | | throw Fx.Exception.ArgumentNull(nameof(stream)); |
| | | 45 | | } |
| | | 46 | | |
| | | 47 | | //if (TD.ByteStreamMessageDecodingStartIsEnabled()) |
| | | 48 | | //{ |
| | | 49 | | // TD.ByteStreamMessageDecodingStart(); |
| | | 50 | | //} |
| | | 51 | | |
| | 2 | 52 | | Message message = ByteStreamMessage.CreateMessage(stream, _quotas, _moveBodyReaderToContent); |
| | 2 | 53 | | message.Properties.Encoder = this; |
| | | 54 | | |
| | | 55 | | //if (SMTD.StreamedMessageReadByEncoderIsEnabled()) |
| | | 56 | | //{ |
| | | 57 | | // SMTD.StreamedMessageReadByEncoder(EventTraceActivityHelper.TryExtractActivity(message, true)); |
| | | 58 | | //} |
| | | 59 | | |
| | | 60 | | //if (MessageLogger.LogMessagesAtTransportLevel) |
| | | 61 | | //{ |
| | | 62 | | // MessageLogger.LogMessage(ref message, MessageLoggingSource.TransportReceive); |
| | | 63 | | //} |
| | | 64 | | |
| | 2 | 65 | | return Task.FromResult(message); |
| | | 66 | | } |
| | | 67 | | |
| | | 68 | | public override Message ReadMessage(ArraySegment<byte> buffer, BufferManager bufferManager, string contentType) |
| | | 69 | | { |
| | 3 | 70 | | if (buffer.Array == null) |
| | | 71 | | { |
| | 0 | 72 | | throw Fx.Exception.ArgumentNull("buffer.Array"); |
| | | 73 | | } |
| | | 74 | | |
| | 3 | 75 | | if (bufferManager == null) |
| | | 76 | | { |
| | 0 | 77 | | throw Fx.Exception.ArgumentNull(nameof(bufferManager)); |
| | | 78 | | } |
| | | 79 | | |
| | | 80 | | //if (TD.ByteStreamMessageDecodingStartIsEnabled()) |
| | | 81 | | //{ |
| | | 82 | | // TD.ByteStreamMessageDecodingStart(); |
| | | 83 | | //} |
| | | 84 | | |
| | 3 | 85 | | var messageData = new ByteStreamBufferedMessageData(buffer, bufferManager); |
| | | 86 | | |
| | 3 | 87 | | Message message = ByteStreamMessage.CreateMessage(messageData, _bufferedReadReaderQuotas, _moveBodyReaderToC |
| | 3 | 88 | | message.Properties.Encoder = this; |
| | | 89 | | |
| | | 90 | | //if (SMTD.MessageReadByEncoderIsEnabled()) |
| | | 91 | | //{ |
| | | 92 | | // SMTD.MessageReadByEncoder( |
| | | 93 | | // EventTraceActivityHelper.TryExtractActivity(message, true), |
| | | 94 | | // buffer.Count, |
| | | 95 | | // this); |
| | | 96 | | //} |
| | | 97 | | |
| | | 98 | | //if (MessageLogger.LogMessagesAtTransportLevel) |
| | | 99 | | //{ |
| | | 100 | | // MessageLogger.LogMessage(ref message, MessageLoggingSource.TransportReceive); |
| | | 101 | | //} |
| | | 102 | | |
| | 3 | 103 | | return message; |
| | | 104 | | } |
| | | 105 | | |
| | | 106 | | public override async Task WriteMessageAsync(Message message, Stream stream) |
| | | 107 | | { |
| | 0 | 108 | | if (message == null) |
| | | 109 | | { |
| | 0 | 110 | | throw Fx.Exception.ArgumentNull(nameof(message)); |
| | | 111 | | } |
| | | 112 | | |
| | 0 | 113 | | if (stream == null) |
| | | 114 | | { |
| | 0 | 115 | | throw Fx.Exception.ArgumentNull(nameof(stream)); |
| | | 116 | | } |
| | | 117 | | |
| | 0 | 118 | | ThrowIfMismatchedMessageVersion(message); |
| | | 119 | | |
| | | 120 | | //EventTraceActivity eventTraceActivity = null; |
| | | 121 | | //if (TD.ByteStreamMessageEncodingStartIsEnabled()) |
| | | 122 | | //{ |
| | | 123 | | // eventTraceActivity = EventTraceActivityHelper.TryExtractActivity(message); |
| | | 124 | | // TD.ByteStreamMessageEncodingStart(eventTraceActivity); |
| | | 125 | | //} |
| | | 126 | | |
| | 0 | 127 | | message.Properties.Encoder = this; |
| | | 128 | | |
| | | 129 | | //if (MessageLogger.LogMessagesAtTransportLevel) |
| | | 130 | | //{ |
| | | 131 | | // MessageLogger.LogMessage(ref message, MessageLoggingSource.TransportSend); |
| | | 132 | | //} |
| | | 133 | | |
| | 0 | 134 | | using (XmlWriter writer = new XmlByteStreamWriter(stream, false)) |
| | | 135 | | { |
| | 0 | 136 | | await message.WriteMessageAsync(writer); |
| | 0 | 137 | | await writer.FlushAsync(); |
| | 0 | 138 | | } |
| | | 139 | | |
| | | 140 | | //if (SMTD.StreamedMessageWrittenByEncoderIsEnabled()) |
| | | 141 | | //{ |
| | | 142 | | // SMTD.StreamedMessageWrittenByEncoder(eventTraceActivity ?? EventTraceActivityHelper.TryExtractActivity |
| | | 143 | | //} |
| | 0 | 144 | | } |
| | | 145 | | |
| | | 146 | | public override ArraySegment<byte> WriteMessage(Message message, int maxMessageSize, BufferManager bufferManager |
| | | 147 | | { |
| | 5 | 148 | | if (message == null) |
| | | 149 | | { |
| | 0 | 150 | | throw Fx.Exception.ArgumentNull(nameof(message)); |
| | | 151 | | } |
| | | 152 | | |
| | 5 | 153 | | if (bufferManager == null) |
| | | 154 | | { |
| | 0 | 155 | | throw Fx.Exception.ArgumentNull(nameof(bufferManager)); |
| | | 156 | | } |
| | | 157 | | |
| | 5 | 158 | | if (maxMessageSize < 0) |
| | | 159 | | { |
| | 0 | 160 | | throw Fx.Exception.ArgumentOutOfRange(nameof(maxMessageSize), maxMessageSize, SR.Format(SR.ArgumentOutOf |
| | | 161 | | } |
| | | 162 | | |
| | 5 | 163 | | if (messageOffset < 0) |
| | | 164 | | { |
| | 0 | 165 | | throw Fx.Exception.ArgumentOutOfRange(nameof(messageOffset), messageOffset, SR.Format(SR.ArgumentOutOfMi |
| | | 166 | | } |
| | | 167 | | |
| | | 168 | | //EventTraceActivity eventTraceActivity = null; |
| | | 169 | | //if (TD.ByteStreamMessageEncodingStartIsEnabled()) |
| | | 170 | | //{ |
| | | 171 | | // eventTraceActivity = EventTraceActivityHelper.TryExtractActivity(message); |
| | | 172 | | // TD.ByteStreamMessageEncodingStart(eventTraceActivity); |
| | | 173 | | //} |
| | | 174 | | |
| | 5 | 175 | | ThrowIfMismatchedMessageVersion(message); |
| | 5 | 176 | | message.Properties.Encoder = this; |
| | | 177 | | |
| | | 178 | | ArraySegment<byte> messageBuffer; |
| | | 179 | | |
| | 5 | 180 | | using (BufferManagerOutputStream stream = new BufferManagerOutputStream(_maxSentMessageSizeExceededResourceS |
| | | 181 | | { |
| | 5 | 182 | | stream.Skip(messageOffset); |
| | 5 | 183 | | using (XmlWriter writer = new XmlByteStreamWriter(stream, true)) |
| | | 184 | | { |
| | 5 | 185 | | message.WriteMessage(writer); |
| | 5 | 186 | | writer.Flush(); |
| | 5 | 187 | | byte[] bytes = stream.ToArray(out int size); |
| | 5 | 188 | | messageBuffer = new ArraySegment<byte>(bytes, messageOffset, size - messageOffset); |
| | 5 | 189 | | } |
| | | 190 | | } |
| | | 191 | | |
| | | 192 | | //if (SMTD.MessageWrittenByEncoderIsEnabled()) |
| | | 193 | | //{ |
| | | 194 | | // SMTD.MessageWrittenByEncoder( |
| | | 195 | | // eventTraceActivity ?? EventTraceActivityHelper.TryExtractActivity(message), |
| | | 196 | | // messageBuffer.Count, |
| | | 197 | | // this); |
| | | 198 | | //} |
| | | 199 | | |
| | | 200 | | //if (MessageLogger.LogMessagesAtTransportLevel) |
| | | 201 | | //{ |
| | | 202 | | // // DevDiv#486728 |
| | | 203 | | // // Don't pass in a buffer manager to avoid returning 'messageBuffer" to the bufferManager twice. |
| | | 204 | | // ByteStreamBufferedMessageData messageData = new ByteStreamBufferedMessageData(messageBuffer, null); |
| | | 205 | | // using (XmlReader reader = new XmlBufferedByteStreamReader(messageData, this._quotas)) |
| | | 206 | | // { |
| | | 207 | | // MessageLogger.LogMessage(ref message, reader, MessageLoggingSource.TransportSend); |
| | | 208 | | // } |
| | | 209 | | //} |
| | | 210 | | |
| | 5 | 211 | | return messageBuffer; |
| | | 212 | | } |
| | | 213 | | |
| | 0 | 214 | | public override string ToString() => ByteStreamMessageUtility.EncoderName; |
| | | 215 | | |
| | | 216 | | string ITraceSourceStringProvider.GetSourceString() |
| | | 217 | | { |
| | | 218 | | // Other MessageEncoders use base.GetTraceSourceString but that would require a public api change in Message |
| | | 219 | | // as ByteStreamMessageEncoder is in a different assemly. The same logic is reimplemented here. |
| | | 220 | | //if (_traceSourceString == null) |
| | | 221 | | //{ |
| | | 222 | | // _traceSourceString = DiagnosticTraceBase.CreateDefaultSourceString(this); |
| | | 223 | | //} |
| | | 224 | | |
| | 0 | 225 | | return null; |
| | | 226 | | } |
| | | 227 | | } |
| | | 228 | | } |