class/System.ServiceModel/System.ServiceModel.Channels/BinaryMessageEncoder.cs

   1 //
   2 // BinaryMessageEncoder.cs
   3 //
   4 // Author: Atsushi Enomoto (atsushi@ximian.com)
   5 //
   6 // Copyright (C) 2005,2009 Novell, Inc (http://www.novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 using System;
  28 using System.IO;
  29 using System.Collections.ObjectModel;
  30 using System.ServiceModel;
  31 using System.Text;
  32 using System.Xml;
  33
  34 namespace System.ServiceModel.Channels
  35 {
  36         internal class BinaryMessageEncoder : MessageEncoder
  37         {
  38                 public BinaryMessageEncoder ()
  39                 {
  40                 }
  41
  42                 public BinaryMessageEncoder (BinaryMessageEncoderFactory owner, bool session)
  43                 {
  44                         this.owner = owner;
  45                         this.session = session;
  46                 }
  47
  48                 BinaryMessageEncoderFactory owner;
  49                 bool session;
  50
  51                 public override string ContentType {
  52                         get { return MediaType; }
  53                 }
  54
  55                 public override string MediaType {
  56                         get { return session ? "application/soap+msbinsession1" : "application/soap+msbin1"; }
  57                 }
  58
  59                 public override MessageVersion MessageVersion {
  60                         get { return MessageVersion.Default; }
  61                 }
  62
  63                 [MonoTODO]
  64                 public override Message ReadMessage (ArraySegment<byte> buffer,
  65                         BufferManager bufferManager, string contentType)
  66                 {
  67                         if (contentType != ContentType)
  68                                 throw new ProtocolException ("Only content type 'application/soap+msbin1' is allowed.");
  69
  70                         // FIXME: retrieve reader session and message body.
  71
  72                         throw new NotImplementedException ();
  73
  74 /*
  75                         // FIXME: use bufferManager
  76                         return Message.CreateMessage (
  77                                 XmlDictionaryReader.CreateBinaryReader (
  78                                         buffer.Array, buffer.Offset, buffer.Count,
  79                                         soap_dictionary,
  80                                         owner != null ? owner.Owner.ReaderQuotas : new XmlDictionaryReaderQuotas ()),
  81                                 int.MaxValue, MessageVersion);
  82 */
  83                 }
  84
  85                 // It is sort of nasty hack, but there is no other way to provide reader/writer session from TCP stream.
  86                 internal XmlBinaryReaderSession CurrentReaderSession { get; set; }
  87                 internal XmlBinaryWriterSession CurrentWriterSession { get; set; }
  88
  89                 public override Message ReadMessage (Stream stream,
  90                         int maxSizeOfHeaders, string contentType)
  91                 {
  92                         if (contentType != ContentType)
  93                                 throw new ProtocolException ("Only content type 'application/soap+msbin1' is allowed.");
  94
  95                         // FIXME: remove this extraneous buffering. It is somehow required for HTTP + binary encoding binding. The culprit is probably in binary xml reader or writer, but not sure.
  96                         if (!stream.CanSeek) {
  97                                 var tmpms = new MemoryStream ();
  98                                 var bytes = new byte [4096];
  99                                 int len;
 100                                 do {
 101                                         len = stream.Read (bytes, 0, bytes.Length);
 102                                         tmpms.Write (bytes, 0, len);
 103                                 } while (len > 0);
 104                                 tmpms.Seek (0, SeekOrigin.Begin);
 105                                 stream = tmpms;
 106                         }
 107
 108                         return Message.CreateMessage (
 109                                 XmlDictionaryReader.CreateBinaryReader (stream, Constants.SoapDictionary, owner != null ? owner.Owner.ReaderQuotas : new XmlDictionaryReaderQuotas (), session ? CurrentReaderSession : null),
 110                                 maxSizeOfHeaders, MessageVersion);
 111                 }
 112
 113                 public override void WriteMessage (Message message, Stream stream)
 114                 {
 115                         VerifyMessageVersion (message);
 116
 117                         using (var xw = XmlDictionaryWriter.CreateBinaryWriter (stream, Constants.SoapDictionary, session ? CurrentWriterSession : null))
 118                                 message.WriteMessage (xw);
 119                 }
 120
 121                 [MonoTODO]
 122                 public override ArraySegment<byte> WriteMessage (
 123                         Message message, int maxMessageSize,
 124                         BufferManager bufferManager, int messageOffset)
 125                 {
 126                         VerifyMessageVersion (message);
 127
 128                         throw new NotImplementedException ();
 129                 }
 130         }
 131 }