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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Net;
using System.Runtime;
using System.ServiceModel;
using System.Xml;
interface IPeerFactory : ITransportFactorySettings
{
IPAddress ListenIPAddress { get; }
int Port { get; }
XmlDictionaryReaderQuotas ReaderQuotas { get; }
PeerResolver Resolver { get; }
PeerSecurityManager SecurityManager { get; }
PeerNodeImplementation PrivatePeerNode { get; set; }
long MaxBufferPoolSize { get; }
}
[ObsoleteAttribute ("PeerChannel feature is obsolete and will be removed in the future.", false)]
sealed class PeerChannelFactory<TChannel> : TransportChannelFactory<TChannel>, IPeerFactory
{
// settings passed to PeerNode
IPAddress listenIPAddress;
int port;
PeerResolver resolver;
PeerSecurityManager securityManager;
XmlDictionaryReaderQuotas readerQuotas;
ISecurityCapabilities securityCapabilities;
// use a private mesh (PeerNode) rather than creating/retrieving one from the registry.
// used as a test hook to allow multiple PeerNode instances per app domain
PeerNodeImplementation privatePeerNode;
internal PeerChannelFactory(PeerTransportBindingElement bindingElement, BindingContext context,
PeerResolver peerResolver)
: base(bindingElement, context)
{
this.listenIPAddress = bindingElement.ListenIPAddress;
this.port = bindingElement.Port;
this.resolver = peerResolver;
readerQuotas = new XmlDictionaryReaderQuotas();
BinaryMessageEncodingBindingElement encoder = context.Binding.Elements.Find<BinaryMessageEncodingBindingElement>();
if (encoder != null)
encoder.ReaderQuotas.CopyTo(this.readerQuotas);
else
EncoderDefaults.ReaderQuotas.CopyTo(this.readerQuotas);
this.securityManager = PeerSecurityManager.Create(bindingElement.Security, context, this.readerQuotas);
this.securityCapabilities = bindingElement.GetProperty<ISecurityCapabilities>(context);
}
public IPAddress ListenIPAddress
{
get { return listenIPAddress; }
}
public int Port
{
get { return port; }
}
public XmlDictionaryReaderQuotas ReaderQuotas
{
get
{
return this.readerQuotas;
}
}
public PeerResolver Resolver
{
get { return resolver; }
}
public override string Scheme
{
get { return PeerStrings.Scheme; }
}
public PeerNodeImplementation PrivatePeerNode
{
get { return privatePeerNode; }
set { privatePeerNode = value; }
}
public PeerSecurityManager SecurityManager
{
get { return this.securityManager; }
set { this.securityManager = value; }
}
public override T GetProperty<T>()
{
if (typeof(T) == typeof(PeerChannelFactory<TChannel>))
{
return (T)(object)this;
}
else if (typeof(T) == typeof(IPeerFactory))
{
return (T)(object)this;
}
else if (typeof(T) == typeof(PeerNodeImplementation))
{
return (T)(object)privatePeerNode;
}
else if (typeof(T) == typeof(ISecurityCapabilities))
{
return (T)(object)this.securityCapabilities;
}
return base.GetProperty<T>();
}
protected override void OnOpen(TimeSpan timeout)
{
}
protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
{
return new CompletedAsyncResult(callback, state);
}
protected override void OnEndOpen(IAsyncResult result)
{
CompletedAsyncResult.End(result);
}
protected override TChannel OnCreateChannel(EndpointAddress to, Uri via)
{
base.ValidateScheme(via);
PeerNodeImplementation peerNode = null;
PeerNodeImplementation.Registration registration = null;
// use the private PeerNode if it has been configured and matches the channel
// otherwise have the channel look for one or create a new one
if (privatePeerNode != null && via.Host == privatePeerNode.MeshId)
{
peerNode = privatePeerNode;
}
else
{
registration = new PeerNodeImplementation.Registration(via, this);
}
if (typeof(TChannel) == typeof(IOutputChannel))
{
return (TChannel)(object)new PeerOutputChannel(peerNode, registration, this, to, via, this.MessageVersion);
}
// typeof(TChannel) == typeof(IDuplexChannel)
// 'to' is both the remote address and the local address
PeerDuplexChannel duplexChannel = new PeerDuplexChannel(peerNode, registration, this, to, via);
PeerMessageDispatcher<IDuplexChannel, PeerDuplexChannel>.PeerMessageQueueAdapter queueHandler = new PeerMessageDispatcher<IDuplexChannel, PeerDuplexChannel>.PeerMessageQueueAdapter(duplexChannel);
PeerMessageDispatcher<IDuplexChannel, PeerDuplexChannel> dispatcher = new PeerMessageDispatcher<IDuplexChannel, PeerDuplexChannel>(queueHandler, duplexChannel.InnerNode, this, to, via);
duplexChannel.Dispatcher = dispatcher;
return (TChannel)(object)duplexChannel;
}
}
}
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