void IPolicyImportExtension.ImportPolicy(MetadataImporter importer, PolicyConversionContext context)
{
if (importer == null)
{
throw new ArgumentNullException("importer");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
UdpTransportBindingElement udpBindingElement = null;
bool multicast = false;
PolicyAssertionCollection policyAssertions = context.GetBindingAssertions();
if (policyAssertions.Remove(UdpPolicyStrings.TransportAssertion, UdpPolicyStrings.UdpNamespace) != null)
{
udpBindingElement = new UdpTransportBindingElement();
}
if (policyAssertions.Remove(UdpPolicyStrings.MulticastAssertion, UdpPolicyStrings.UdpNamespace) != null)
{
multicast = true;
}
if (udpBindingElement != null)
{
udpBindingElement.Multicast = multicast;
context.BindingElements.Add(udpBindingElement);
}
}
void Initialize(Uri multicastAddress)
{
this.viaBehavior = new DiscoveryViaBehavior(multicastAddress);
base.ListenUri = multicastAddress;
TextMessageEncodingBindingElement textBE = new TextMessageEncodingBindingElement();
textBE.MessageVersion = base.DiscoveryVersion.Implementation.MessageVersion;
UdpTransportBindingElement udpBE = DiscoveryDefaults.Udp.CreateUdpTransportBindingElement();
this.udpTransportSettings = new UdpTransportSettings(udpBE);
CustomBinding binding = new CustomBinding();
binding.Elements.Add(textBE);
binding.Elements.Add(udpBE);
base.MaxAnnouncementDelay = DiscoveryDefaults.Udp.AppMaxDelay;
base.Address = new EndpointAddress(base.DiscoveryVersion.Implementation.DiscoveryAddress);
base.Binding = binding;
base.Behaviors.Add(this.viaBehavior);
base.Behaviors.Add(new UdpContractFilterBehavior());
}
// private
private WsUdpServiceHost()
{
m_threadManager = new WsThreadManager(5, "Udp");
m_serviceEndpoints = new WsServiceEndpoints();
m_refcount = 0;
m_binding = null;
m_replyChannel = null;
UdpTransportBindingElement transport = new UdpTransportBindingElement(new UdpTransportBindingConfig(WsDiscovery.WsDiscoveryAddress, WsDiscovery.WsDiscoveryPort, m_ignoreLocalRequests));
m_binding = new CustomBinding(transport);
}
static Binding CreateBinding(DiscoveryVersion discoveryVersion)
{
var mbe = new TextMessageEncodingBindingElement()
{
MessageVersion = discoveryVersion.MessageVersion
};
var tbe = new UdpTransportBindingElement();
return(new CustomBinding(mbe, tbe)
{
SendTimeout = TimeSpan.FromMinutes(1), ReceiveTimeout = TimeSpan.FromMinutes(10)
});
}
public override void ApplyConfiguration(BindingElement bindingElement)
{
base.ApplyConfiguration(bindingElement);
UdpTransportBindingElement udpTransportBindingElement = (UdpTransportBindingElement)bindingElement;
udpTransportBindingElement.DuplicateMessageHistoryLength = this.DuplicateMessageHistoryLength;
udpTransportBindingElement.MaxPendingMessagesTotalSize = this.MaxPendingMessagesTotalSize;
udpTransportBindingElement.MaxReceivedMessageSize = this.MaxReceivedMessageSize;
udpTransportBindingElement.MulticastInterfaceId = this.MulticastInterfaceId;
this.RetransmissionSettings.ApplyConfiguration(udpTransportBindingElement.RetransmissionSettings);
udpTransportBindingElement.SocketReceiveBufferSize = this.SocketReceiveBufferSize;
udpTransportBindingElement.TimeToLive = this.TimeToLive;
}
bool BindingElementsPropertiesMatch(UdpTransportBindingElement transport, MessageEncodingBindingElement encoding)
{
if (!this.udpTransport.IsMatch(transport))
{
return(false);
}
if (!this.textEncoding.IsMatch(encoding))
{
return(false);
}
return(true);
}
public void ImportPolicy(MetadataImporter importer, PolicyConversionContext context)
{
XmlQualifiedName wsdlBindingQName;
string transportUri = WsdlImporter.SoapInPolicyWorkaroundHelper.FindAdHocPolicy(context, this.udpTransportUriKey, out wsdlBindingQName);
if (transportUri != null && transportUri.Equals(UdpConstants.WsdlSoapUdpTransportUri, StringComparison.Ordinal) && !context.BindingElements.Contains(typeof(TransportBindingElement)))
{
UdpTransportBindingElement transport = new UdpTransportBindingElement();
((ITransportPolicyImport)transport).ImportPolicy(importer, context);
StateHelper.RegisterTransportBindingElement(importer, wsdlBindingQName);
context.BindingElements.Add(transport);
}
}
protected internal override void InitializeFrom(BindingElement bindingElement)
{
base.InitializeFrom(bindingElement);
UdpTransportBindingElement udpTransportBindingElement = (UdpTransportBindingElement)bindingElement;
this.SetPropertyValueIfNotDefaultValue(UdpTransportConfigurationStrings.DuplicateMessageHistoryLength, udpTransportBindingElement.DuplicateMessageHistoryLength);
this.SetPropertyValueIfNotDefaultValue(UdpTransportConfigurationStrings.MaxPendingMessagesTotalSize, udpTransportBindingElement.MaxPendingMessagesTotalSize);
this.SetPropertyValueIfNotDefaultValue(UdpTransportConfigurationStrings.MaxReceivedMessageSize, udpTransportBindingElement.MaxReceivedMessageSize);
this.SetPropertyValueIfNotDefaultValue(UdpTransportConfigurationStrings.MulticastInterfaceId, udpTransportBindingElement.MulticastInterfaceId);
this.SetPropertyValueIfNotDefaultValue(UdpTransportConfigurationStrings.SocketReceiveBufferSize, udpTransportBindingElement.SocketReceiveBufferSize);
this.SetPropertyValueIfNotDefaultValue(UdpTransportConfigurationStrings.TimeToLive, udpTransportBindingElement.TimeToLive);
this.RetransmissionSettings.InitializeFrom(udpTransportBindingElement.RetransmissionSettings);
}
private UdpBinding(UdpTransportBindingElement transport, TextMessageEncodingBindingElement encoding)
: this()
{
this.DuplicateMessageHistoryLength = transport.DuplicateMessageHistoryLength;
this.MaxBufferPoolSize = transport.MaxBufferPoolSize;
this.MaxPendingMessagesTotalSize = transport.MaxPendingMessagesTotalSize;
this.MaxReceivedMessageSize = transport.MaxReceivedMessageSize;
this.MaxRetransmitCount = Math.Max(transport.RetransmissionSettings.MaxUnicastRetransmitCount, transport.RetransmissionSettings.MaxMulticastRetransmitCount);
this.MulticastInterfaceId = transport.MulticastInterfaceId;
this.TimeToLive = transport.TimeToLive;
this.ReaderQuotas = encoding.ReaderQuotas;
this.TextEncoding = encoding.WriteEncoding;
}
private UdpBinding(UdpTransportBindingElement transport, TextMessageEncodingBindingElement encoding)
: this()
{
this.DuplicateMessageHistoryLength = transport.DuplicateMessageHistoryLength;
this.MaxBufferPoolSize = transport.MaxBufferPoolSize;
this.MaxPendingMessagesTotalSize = transport.MaxPendingMessagesTotalSize;
this.MaxReceivedMessageSize = transport.MaxReceivedMessageSize;
this.MaxRetransmitCount = Math.Max(transport.RetransmissionSettings.MaxUnicastRetransmitCount, transport.RetransmissionSettings.MaxMulticastRetransmitCount);
this.MulticastInterfaceId = transport.MulticastInterfaceId;
this.TimeToLive = transport.TimeToLive;
this.ReaderQuotas = encoding.ReaderQuotas;
this.TextEncoding = encoding.WriteEncoding;
}
void IPolicyImportExtension.ImportPolicy(MetadataImporter importer, PolicyConversionContext context)
{
if (importer == null)
{
throw new ArgumentNullException("importer");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
ICollection<XmlElement> bindingAssertions = context.GetBindingAssertions();
List<XmlElement> processedAssertions = new List<XmlElement>();
UdpTransportBindingElement udpBindingElement = null;
bool multicast = false;
foreach (XmlElement assertion in bindingAssertions)
{
if (assertion.NamespaceURI != UdpPolicyStrings.UdpNamespace)
{
continue;
}
switch (assertion.LocalName)
{
case UdpPolicyStrings.TransportAssertion:
udpBindingElement = new UdpTransportBindingElement();
break;
case UdpPolicyStrings.MulticastAssertion:
multicast = true;
break;
default:
continue;
}
processedAssertions.Add(assertion);
}
if (udpBindingElement != null)
{
udpBindingElement.Multicast = multicast;
context.BindingElements.Add(udpBindingElement);
}
for (int i = 0; i < processedAssertions.Count; i++)
{
bindingAssertions.Remove(processedAssertions[i]);
}
}
internal static void ExportRetransmissionEnabledAssertion(UdpTransportBindingElement bindingElement, PolicyAssertionCollection assertions)
{
if (bindingElement == null)
{
throw FxTrace.Exception.ArgumentNull("bindingElement");
}
if (assertions == null)
{
throw FxTrace.Exception.ArgumentNull("assertions");
}
if (bindingElement.RetransmissionSettings.Enabled)
{
XmlElement assertion = Document.CreateElement(UdpConstants.WsdlSoapUdpTransportPrefix, UdpConstants.RetransmissionEnabled, UdpConstants.WsdlSoapUdpTransportNamespace);
assertions.Add(assertion);
}
}
public static UdpTransportBindingElement CreateUdpTransportBindingElement()
{
UdpTransportBindingElement udpBE = new UdpTransportBindingElement();
udpBE.RetransmissionSettings.MaxUnicastRetransmitCount = MaxUnicastRetransmitCount;
udpBE.RetransmissionSettings.MaxMulticastRetransmitCount = MaxMulticastRetransmitCount;
udpBE.RetransmissionSettings.DelayLowerBound = TimeSpan.FromMilliseconds(50);
udpBE.RetransmissionSettings.DelayUpperBound = TimeSpan.FromMilliseconds(250);
udpBE.RetransmissionSettings.MaxDelayPerRetransmission = TimeSpan.FromMilliseconds(500);
udpBE.DuplicateMessageHistoryLength = DuplicateMessageHistoryLength;
// The default value of ManualAddressing on UDP transport is false.
// In discovery case, the discovery endpoints will receive all kinds of discovery messages, which sometimes
// don't match the service contract. In this case, we want the discovery endpoint to ---- the errors
// instead of sending fault messages back. So we need to disable auto addressing for the discovery scenario.
udpBE.ManualAddressing = true;
return udpBE;
}
internal static bool TryCreate(BindingElementCollection bindingElements, out Binding binding)
{
binding = null;
if (bindingElements.Count > 2)
{
return(false);
}
UdpTransportBindingElement transport = null;
TextMessageEncodingBindingElement encoding = null;
foreach (BindingElement bindingElement in bindingElements)
{
if (bindingElement is UdpTransportBindingElement)
{
transport = bindingElement as UdpTransportBindingElement;
}
else if (bindingElement is TextMessageEncodingBindingElement)
{
encoding = bindingElement as TextMessageEncodingBindingElement;
}
else
{
return(false);
}
}
if (transport == null || encoding == null)
{
return(false);
}
UdpBinding udpBinding = new UdpBinding(transport, encoding);
if (!udpBinding.BindingElementsPropertiesMatch(transport, encoding))
{
return(false);
}
binding = udpBinding;
return(true);
}
public static UdpTransportBindingElement CreateUdpTransportBindingElement()
{
UdpTransportBindingElement udpBE = new UdpTransportBindingElement();
udpBE.RetransmissionSettings.MaxUnicastRetransmitCount = MaxUnicastRetransmitCount;
udpBE.RetransmissionSettings.MaxMulticastRetransmitCount = MaxMulticastRetransmitCount;
udpBE.RetransmissionSettings.DelayLowerBound = TimeSpan.FromMilliseconds(50);
udpBE.RetransmissionSettings.DelayUpperBound = TimeSpan.FromMilliseconds(250);
udpBE.RetransmissionSettings.MaxDelayPerRetransmission = TimeSpan.FromMilliseconds(500);
udpBE.DuplicateMessageHistoryLength = DuplicateMessageHistoryLength;
// The default value of ManualAddressing on UDP transport is false.
// In discovery case, the discovery endpoints will receive all kinds of discovery messages, which sometimes
// don't match the service contract. In this case, we want the discovery endpoint to ---- the errors
// instead of sending fault messages back. So we need to disable auto addressing for the discovery scenario.
udpBE.ManualAddressing = true;
return(udpBE);
}
public UdpBinding()
: base()
{
this.textEncoding = new TextMessageEncodingBindingElement();
this.udpTransport = new UdpTransportBindingElement();
}
bool IsBindingElementsMatch(UdpTransportBindingElement udpTransportBindingElement,
TextMessageEncodingBindingElement textMessageEncodingBindingElement,
ReliableSessionBindingElement reliableSessionBindingElement,
CompositeDuplexBindingElement compositeDuplexBindingElement)
{
if (!IsTransportMatch(this.transport, udpTransportBindingElement))
{
return false;
}
if(!IsEncodingMatch(this.encoding, textMessageEncodingBindingElement))
{
return false;
}
if (this.ReliableSessionEnabled)
{
if (!IsSessionMatch(this.session, reliableSessionBindingElement))
{
return false;
}
if (compositeDuplexBindingElement != null)
{
if (!IsCompositeDuplexMatch(this.compositeDuplex, compositeDuplexBindingElement))
{
return false;
}
}
else
{
return false;
}
}
else if (reliableSessionBindingElement != null)
{
return false;
}
return true;
}
static Binding CreateBinding (DiscoveryVersion discoveryVersion)
{
var mbe = new TextMessageEncodingBindingElement () {MessageVersion = discoveryVersion.MessageVersion};
var tbe = new UdpTransportBindingElement ();
return new CustomBinding (mbe, tbe) {SendTimeout = TimeSpan.FromMinutes (1), ReceiveTimeout = TimeSpan.FromMinutes (10)};
}
void Initialize()
{
transport = new UdpTransportBindingElement();
session = new ReliableSessionBindingElement();
compositeDuplex = new CompositeDuplexBindingElement();
encoding = new TextMessageEncodingBindingElement();
}
//initialize a SampleProfileUdpBinding from the info collected in a ReliableSessionBindingElement if one is present.
void InitializeFrom(UdpTransportBindingElement udpTransportBindingElement,
TextMessageEncodingBindingElement textMessageEncodingBindingElement,
ReliableSessionBindingElement reliableSessionBindingElement,
CompositeDuplexBindingElement compositeDuplexBindingElement)
{
this.transport.Multicast = udpTransportBindingElement.Multicast;
this.transport.MaxBufferPoolSize = udpTransportBindingElement.MaxBufferPoolSize;
this.transport.MaxReceivedMessageSize = udpTransportBindingElement.MaxReceivedMessageSize;
((TextMessageEncodingBindingElement)this.encoding).WriteEncoding = textMessageEncodingBindingElement.WriteEncoding;
textMessageEncodingBindingElement.ReaderQuotas.CopyTo(((TextMessageEncodingBindingElement)this.encoding).ReaderQuotas);
this.ReliableSessionEnabled = reliableSessionBindingElement != null;
if (reliableSessionBindingElement != null)
{
this.SessionInactivityTimeout = reliableSessionBindingElement.InactivityTimeout;
this.OrderedSession = reliableSessionBindingElement.Ordered;
}
if (compositeDuplexBindingElement != null)
{
this.ClientBaseAddress = compositeDuplexBindingElement.ClientBaseAddress;
}
}
internal UdpTransportSettings(UdpTransportBindingElement udpTransportBindingElement)
{
this.maxPendingMessageCount = UdpConstants.Defaults.MaxPendingMessageCount;
this.UdpTransportBindingElement = udpTransportBindingElement;
}
bool BindingElementsPropertiesMatch(UdpTransportBindingElement transport, MessageEncodingBindingElement encoding)
{
if (!this.udpTransport.IsMatch(transport))
{
return false;
}
if (!this.textEncoding.IsMatch(encoding))
{
return false;
}
return true;
}
internal UdpTransportSettings(UdpTransportBindingElement udpTransportBindingElement)
{
this.maxPendingMessageCount = UdpConstants.Defaults.MaxPendingMessageCount;
this.UdpTransportBindingElement = udpTransportBindingElement;
}
public UdpBinding()
: base()
{
this.textEncoding = new TextMessageEncodingBindingElement();
this.udpTransport = new UdpTransportBindingElement();
}
protected override BindingElement CreateBindingElement()
{
UdpTransportBindingElement bindingElement = new UdpTransportBindingElement();
this.ApplyConfiguration(bindingElement);
return bindingElement;
}
