BinaryMessageEncoder.cs :  » 2.6.4-mono-.net-core » System.ServiceModel » System » ServiceModel » Channels » C# / CSharp Open Source

//
// BinaryMessageEncoder.cs
//
// Author: Atsushi Enomoto (atsushi@ximian.com)
//
// Copyright (C) 2005,2009 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.IO;
using System.Collections.ObjectModel;
using System.ServiceModel;
using System.Text;
using System.Xml;

namespace System.ServiceModel.Channels{
  internal class BinaryMessageEncoder : MessageEncoder
  {
    public BinaryMessageEncoder ()
    {
    }

    public BinaryMessageEncoder (BinaryMessageEncoderFactory owner, bool session)
    {
      this.owner = owner;
      this.session = session;
    }

    BinaryMessageEncoderFactory owner;
    bool session;

    public override string ContentType {
      get { return MediaType; }
    }

    public override string MediaType {
      get { return session ? "application/soap+msbinsession1" : "application/soap+msbin1"; }
    }

    public override MessageVersion MessageVersion {
      get { return MessageVersion.Default; }
    }

    [MonoTODO]
    public override Message ReadMessage (ArraySegment<byte> buffer,
      BufferManager bufferManager, string contentType)
    {
      if (contentType != ContentType)
        throw new ProtocolException ("Only content type 'application/soap+msbin1' is allowed.");

      // FIXME: retrieve reader session and message body.

      throw new NotImplementedException ();

/*
      // FIXME: use bufferManager
      return Message.CreateMessage (
        XmlDictionaryReader.CreateBinaryReader (
          buffer.Array, buffer.Offset, buffer.Count,
          soap_dictionary,
          owner != null ? owner.Owner.ReaderQuotas : new XmlDictionaryReaderQuotas ()),
        int.MaxValue, MessageVersion);
*/
    }

    // It is sort of nasty hack, but there is no other way to provide reader/writer session from TCP stream.
    internal XmlBinaryReaderSession CurrentReaderSession { get; set; }
    internal XmlBinaryWriterSession CurrentWriterSession { get; set; }

    public override Message ReadMessage (Stream stream,
      int maxSizeOfHeaders, string contentType)
    {
      if (contentType != ContentType)
        throw new ProtocolException ("Only content type 'application/soap+msbin1' is allowed.");

      // 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.
      if (!stream.CanSeek) {
        var tmpms = new MemoryStream ();
        var bytes = new byte [4096];
        int len;
        do {
          len = stream.Read (bytes, 0, bytes.Length);
          tmpms.Write (bytes, 0, len);
        } while (len > 0);
        tmpms.Seek (0, SeekOrigin.Begin);
        stream = tmpms;
      }

      return Message.CreateMessage (
        XmlDictionaryReader.CreateBinaryReader (stream, Constants.SoapDictionary, owner != null ? owner.Owner.ReaderQuotas : new XmlDictionaryReaderQuotas (), session ? CurrentReaderSession : null),
        maxSizeOfHeaders, MessageVersion);
    }

    public override void WriteMessage (Message message, Stream stream)
    {
      VerifyMessageVersion (message);

      using (var xw = XmlDictionaryWriter.CreateBinaryWriter (stream, Constants.SoapDictionary, session ? CurrentWriterSession : null))
        message.WriteMessage (xw);
    }

    [MonoTODO]
    public override ArraySegment<byte> WriteMessage (
      Message message, int maxMessageSize,
      BufferManager bufferManager, int messageOffset)
    {
      VerifyMessageVersion (message);

      throw new NotImplementedException ();
    }
  }
}