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

// 
// TcpChannelFactory.cs
// 
// Author: 
//     Marcos Cobena (marcoscobena@gmail.com)
// 
// Copyright 2007 Marcos Cobena (http://www.youcannoteatbits.org/)
// 

using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Security;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.ServiceModel.Security;
using System.Text;
using System.Xml;

namespace System.ServiceModel.Channels{
  internal class TcpChannelInfo
  {
    public TcpChannelInfo (TransportBindingElement element, MessageEncoder encoder, XmlDictionaryReaderQuotas readerQuotas)
    {
      this.BindingElement = element;
      this.MessageEncoder = encoder;
      this.ReaderQuotas = readerQuotas ?? new XmlDictionaryReaderQuotas ();
    }

    public TransportBindingElement BindingElement { get; private set; }

    public MessageEncoder MessageEncoder { get; private set; }

    public XmlDictionaryReaderQuotas ReaderQuotas { get; private set; }
  }

  internal class TcpChannelFactory<TChannel> : TransportChannelFactoryBase<TChannel>
  {
    TcpChannelInfo info;

    public TcpChannelFactory (TcpTransportBindingElement source, BindingContext ctx)
      : base (source, ctx)
    {
      XmlDictionaryReaderQuotas quotas = null;
      foreach (BindingElement be in ctx.Binding.Elements) {
        MessageEncodingBindingElement mbe = be as MessageEncodingBindingElement;
        if (mbe != null) {
          MessageEncoder = CreateEncoder<TChannel> (mbe);
          quotas = mbe.GetProperty<XmlDictionaryReaderQuotas> (ctx);
          break;
        }
      }
      if (MessageEncoder == null)
        MessageEncoder = new BinaryMessageEncoder ();
      info = new TcpChannelInfo (source, MessageEncoder, quotas);
    }

    protected override TChannel OnCreateChannel (
      EndpointAddress address, Uri via)
    {      
      ThrowIfDisposedOrNotOpen ();

      var targetUri = via ?? address.Uri;
      if (info.BindingElement.Scheme != targetUri.Scheme)
        throw new ArgumentException (String.Format ("Argument EndpointAddress has unsupported URI scheme: {0}", targetUri.Scheme));

      Type t = typeof (TChannel);
      
      if (t == typeof (IDuplexSessionChannel))
        return (TChannel) (object) new TcpDuplexSessionChannel (this, info, address, targetUri);
      
      if (t == typeof (IRequestChannel))
        return (TChannel) (object) new TcpRequestChannel (this, info, address, targetUri);

      throw new InvalidOperationException (String.Format ("Channel type {0} is not supported.", typeof (TChannel).Name));
    }
  }
}