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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System;
using System.Configuration;
using System.Net;
using System.Runtime;
using System.ServiceModel.Channels;
using System.ServiceModel.Configuration;
using System.ServiceModel.PeerResolvers;
using System.Xml;
using System.ComponentModel;
[ObsoleteAttribute ("PeerChannel feature is obsolete and will be removed in the future.", false)]
public class NetPeerTcpBinding : Binding, IBindingRuntimePreferences
{
// private BindingElements
PeerTransportBindingElement transport;
PeerResolverSettings resolverSettings;
BinaryMessageEncodingBindingElement encoding;
PeerSecuritySettings peerSecurity;
public NetPeerTcpBinding() { Initialize(); }
public NetPeerTcpBinding(string configurationName) : this() { ApplyConfiguration(configurationName); }
static public bool IsPnrpAvailable
{
get
{
return PnrpPeerResolver.IsPnrpAvailable;
}
}
[DefaultValue(TransportDefaults.MaxBufferPoolSize)]
public long MaxBufferPoolSize
{
get { return transport.MaxBufferPoolSize; }
set
{
transport.MaxBufferPoolSize = value;
}
}
[DefaultValue(TransportDefaults.MaxReceivedMessageSize)]
public long MaxReceivedMessageSize
{
get { return transport.MaxReceivedMessageSize; }
set { transport.MaxReceivedMessageSize = value; }
}
[DefaultValue(PeerTransportDefaults.ListenIPAddress)]
[TypeConverter(typeof(PeerTransportListenAddressConverter))]
public IPAddress ListenIPAddress
{
get { return transport.ListenIPAddress; }
set { transport.ListenIPAddress = value; }
}
public PeerSecuritySettings Security
{
get { return peerSecurity; }
set
{
if (value == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
this.peerSecurity = value;
}
}
[DefaultValue(PeerTransportDefaults.Port)]
public int Port
{
get { return transport.Port; }
set { transport.Port = value; }
}
public XmlDictionaryReaderQuotas ReaderQuotas
{
get { return encoding.ReaderQuotas; }
set
{
if (value == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
value.CopyTo(encoding.ReaderQuotas);
}
}
public PeerResolverSettings Resolver
{
get { return this.resolverSettings; }
}
bool IBindingRuntimePreferences.ReceiveSynchronously
{
get { return false; }
}
public override string Scheme { get { return transport.Scheme; } }
// Soap version supported by this binding
public EnvelopeVersion EnvelopeVersion
{
get { return EnvelopeVersion.Soap12; }
}
void Initialize()
{
this.resolverSettings = new PeerResolverSettings();
transport = new PeerTransportBindingElement();
encoding = new BinaryMessageEncodingBindingElement();
peerSecurity = new PeerSecuritySettings();
}
void InitializeFrom(PeerTransportBindingElement transport, BinaryMessageEncodingBindingElement encoding)
{
Fx.Assert(transport != null, "Invalid null transport.");
Fx.Assert(encoding != null, "Invalid null encoding.");
this.MaxBufferPoolSize = transport.MaxBufferPoolSize;
this.MaxReceivedMessageSize = transport.MaxReceivedMessageSize;
this.ListenIPAddress = transport.ListenIPAddress;
this.Port = transport.Port;
this.Security.Mode = transport.Security.Mode;
this.ReaderQuotas = encoding.ReaderQuotas;
}
// check that properties of the HttpTransportBindingElement and
// MessageEncodingBindingElement not exposed as properties on BasicHttpBinding
// match default values of the binding elements
bool IsBindingElementsMatch(PeerTransportBindingElement transport, BinaryMessageEncodingBindingElement encoding)
{
if (!this.transport.IsMatch(transport))
return false;
if (!this.encoding.IsMatch(encoding))
return false;
return true;
}
void ApplyConfiguration(string configurationName)
{
NetPeerTcpBindingCollectionElement section = NetPeerTcpBindingCollectionElement.GetBindingCollectionElement();
NetPeerTcpBindingElement element = section.Bindings[configurationName];
this.resolverSettings = new PeerResolverSettings();
if (element == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(
SR.GetString(SR.ConfigInvalidBindingConfigurationName,
configurationName,
ConfigurationStrings.NetPeerTcpBindingCollectionElementName)));
}
else
{
element.ApplyConfiguration(this);
}
this.transport.CreateDefaultResolver(this.Resolver);
}
public override BindingElementCollection CreateBindingElements()
{
BindingElementCollection bindingElements = new BindingElementCollection();
switch (this.Resolver.Mode)
{
case PeerResolverMode.Auto:
{
if (CanUseCustomResolver())
bindingElements.Add(new PeerCustomResolverBindingElement(this.Resolver.Custom));
else if (PeerTransportDefaults.ResolverAvailable)
bindingElements.Add(new PnrpPeerResolverBindingElement(this.Resolver.ReferralPolicy));
else
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.PeerResolverRequired)));
}
break;
case PeerResolverMode.Custom:
{
if (CanUseCustomResolver())
bindingElements.Add(new PeerCustomResolverBindingElement(this.Resolver.Custom));
else
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.PeerResolverSettingsInvalid)));
}
break;
case PeerResolverMode.Pnrp:
{
if (PeerTransportDefaults.ResolverAvailable)
bindingElements.Add(new PnrpPeerResolverBindingElement(this.Resolver.ReferralPolicy));
else
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.PeerResolverRequired)));
}
break;
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.PeerResolverRequired)));
}
bindingElements.Add(encoding);
bindingElements.Add(transport);
transport.Security.Mode = this.Security.Mode;
transport.Security.Transport.CredentialType = this.Security.Transport.CredentialType;
return bindingElements.Clone();
}
internal static bool TryCreate(BindingElementCollection elements, out Binding binding)
{
binding = null;
if (elements.Count != 3)
return false;
PeerResolverBindingElement resolver = null;
PeerTransportBindingElement transport = null;
BinaryMessageEncodingBindingElement encoding = null;
foreach (BindingElement element in elements)
{
if (element is TransportBindingElement)
transport = element as PeerTransportBindingElement;
else if (element is BinaryMessageEncodingBindingElement)
encoding = element as BinaryMessageEncodingBindingElement;
else if (element is PeerResolverBindingElement)
resolver = element as PeerResolverBindingElement;
else
return false;
}
if (transport == null)
return false;
if (encoding == null)
return false;
if (resolver == null)
return false;
NetPeerTcpBinding netPeerTcpBinding = new NetPeerTcpBinding();
netPeerTcpBinding.InitializeFrom(transport, encoding);
if (!netPeerTcpBinding.IsBindingElementsMatch(transport, encoding))
return false;
PeerCustomResolverBindingElement customResolver = resolver as PeerCustomResolverBindingElement;
if (customResolver != null)
{
netPeerTcpBinding.Resolver.Custom.Address = customResolver.Address;
netPeerTcpBinding.Resolver.Custom.Binding = customResolver.Binding;
netPeerTcpBinding.Resolver.Custom.Resolver = customResolver.CreatePeerResolver();
}
else if (resolver is PnrpPeerResolverBindingElement)
{
if (NetPeerTcpBinding.IsPnrpAvailable)
netPeerTcpBinding.Resolver.Mode = PeerResolverMode.Pnrp;
}
binding = netPeerTcpBinding;
return true;
}
bool CanUseCustomResolver()
{
return (this.Resolver.Custom.Resolver != null || (this.Resolver.Custom.IsBindingSpecified && this.Resolver.Custom.Address != null));
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeReaderQuotas()
{
return (!EncoderDefaults.IsDefaultReaderQuotas(this.ReaderQuotas));
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeSecurity()
{
return this.Security.InternalShouldSerialize();
}
}
}
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