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

//
// TcpTransportBindingElement.cs
//
// Authors:
//  Atsushi Enomoto <atsushi@ximian.com>
//      Marcos Cobena (marcoscobena@gmail.com)
//
// Copyright (C) 2005 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.Collections.Generic;
using System.Net;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;

namespace System.ServiceModel.Channels{
  public class TcpTransportBindingElement
    : ConnectionOrientedTransportBindingElement
  {
    internal const int DefaultPort = 808;

    int listen_backlog = 10;
    bool port_sharing_enabled = false;
    bool teredo_enabled = false;
    TcpConnectionPoolSettings pool = new TcpConnectionPoolSettings ();

    public TcpTransportBindingElement ()
    {
    }

    protected TcpTransportBindingElement (
      TcpTransportBindingElement other)
      : base (other)
    {
      listen_backlog = other.listen_backlog;
      port_sharing_enabled = other.port_sharing_enabled;
      pool.CopyPropertiesFrom (other.pool);
    }
    
    public TcpConnectionPoolSettings ConnectionPoolSettings {
      get { return pool; }
    }

    public int ListenBacklog {
      get { return listen_backlog; }
      set { listen_backlog = value; }
    }

    public bool PortSharingEnabled {
      get { return port_sharing_enabled; }
      set { port_sharing_enabled = value; }
    }

    public override string Scheme {
      get { return "net.tcp"; }
    }
    
    // As MSDN exposes, this' only available on Windows XP SP2 and Windows Server 2003
    public bool TeredoEnabled {
      get { return teredo_enabled; }
      set { teredo_enabled = value; }
    }

    public override IChannelFactory<TChannel> BuildChannelFactory<TChannel> (
      BindingContext context)
    {
      if (!CanBuildChannelFactory<TChannel> (context))
        throw new InvalidOperationException (String.Format ("Not supported channel factory type '{0}'", typeof (TChannel)));
      return new TcpChannelFactory<TChannel> (this, context);
    }

    public override IChannelListener<TChannel>
      BuildChannelListener<TChannel> (
      BindingContext context)
    {
      if (!CanBuildChannelListener<TChannel> (context))
        throw new InvalidOperationException (String.Format ("Not supported channel listener type '{0}'", typeof (TChannel)));
      return new TcpChannelListener<TChannel> (this, context);
    }

    public override BindingElement Clone ()
    {
      return new TcpTransportBindingElement (this);
    }

    public override T GetProperty<T> (BindingContext context)
    {
      if (typeof (T) == typeof (IBindingDeliveryCapabilities))
        return (T) (object) new TcpBindingProperties (this);
      return base.GetProperty<T> (context);
    }
  }

  class TcpBindingProperties : IBindingDeliveryCapabilities
  {
    TcpTransportBindingElement source;

    public TcpBindingProperties (TcpTransportBindingElement source)
    {
      this.source = source;
    }

    public bool AssuresOrderedDelivery {
      get { return true; }
    }

    public bool QueuedDelivery {
      get { return false; }
    }
  }
}