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HttpTransportBindingElement Class

Represents the binding element used to specify an HTTP transport for transmitting messages.

Namespace:  System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public class HttpTransportBindingElement : TransportBindingElement, 
	IWsdlExportExtension, IPolicyExportExtension

The HttpTransportBindingElement type exposes the following members.

  NameDescription
Public methodSupported by Portable Class LibraryHttpTransportBindingElement()Initializes a new instance of the HttpTransportBindingElement class.
Protected methodSupported by Portable Class LibraryHttpTransportBindingElement(HttpTransportBindingElement)Initializes a new instance of the HttpTransportBindingElement class.
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  NameDescription
Public propertyAllowCookiesGets or sets a value that indicates whether the client accepts cookies and propagates them on future requests.
Public propertyAuthenticationSchemeGets or sets the authentication scheme used to authenticate client requests being processed by an HTTP listener.
Public propertyBypassProxyOnLocalGets or sets a value that indicates whether proxies are ignored for local addresses.
Public propertyDecompressionEnabledGets or sets whether the process for returning compressed message data to its original size and format is enabled.
Public propertyExtendedProtectionPolicyGets or sets the value of the extended security policy used by the server to validate incoming client connections.
Public propertyHostNameComparisonModeGets or sets a value that indicates whether the hostname is used to reach the service when matching on the URI.
Public propertyKeepAliveEnabledGets or sets a value that indicates whether to make a persistent connection to a service endpoint.
Public propertySupported by Portable Class LibraryManualAddressingGets or sets a value that indicates whether manual addressing of the message is required. (Inherited from TransportBindingElement.)
Public propertyMaxBufferPoolSizeGets or sets the maximum size of any buffer pools used by the transport. (Inherited from TransportBindingElement.)
Public propertySupported by Portable Class LibraryMaxBufferSizeGets or sets the maximum size of the buffer to use. For buffered messages this value is the same as MaxReceivedMessageSize. For streamed messages, this value is the maximum size of the SOAP headers, which must be read in buffered mode.
Public propertySupported by Portable Class LibraryMaxReceivedMessageSizeGets and sets the maximum allowable message size that can be received. (Inherited from TransportBindingElement.)
Public propertyProxyAddressGets or sets a URI that contains the address of the proxy to use for HTTP requests.
Public propertyProxyAuthenticationSchemeGets or sets the authentication scheme used to authenticate client requests being processed by an HTTP proxy.
Public propertyRealmGets or sets the authentication realm.
Public propertySupported by Portable Class LibrarySchemeGets the URI scheme for the transport. (Overrides TransportBindingElement.Scheme.)
Public propertyTransferModeGets or sets the transfer mode.
Public propertyUnsafeConnectionNtlmAuthenticationGets or sets a value that indicates whether Unsafe Connection Sharing is enabled on the server. If enabled, NTLM authentication is performed once on each TCP connection.
Public propertyUseDefaultWebProxyGets or sets a value that indicates whether the machine-wide proxy settings are used rather than the user specific settings.
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  NameDescription
Public methodSupported by Portable Class LibraryBuildChannelFactory<TChannel>Creates a channel factory that can be used to create a channel. (Overrides BindingElement.BuildChannelFactory<TChannel>(BindingContext).)
Public methodBuildChannelListener<TChannel>Creates a channel listener of the specified type. (Overrides BindingElement.BuildChannelListener<TChannel>(BindingContext).)
Public methodSupported by Portable Class LibraryCanBuildChannelFactory<TChannel>Determines whether a channel factory of the specified type can be built. (Overrides BindingElement.CanBuildChannelFactory<TChannel>(BindingContext).)
Public methodCanBuildChannelListener<TChannel>Determines whether a channel listener of the specified type can be built. (Overrides BindingElement.CanBuildChannelListener<TChannel>(BindingContext).)
Public methodSupported by Portable Class LibraryCloneCreates a copy of the current binding element. (Overrides BindingElement.Clone().)
Public methodSupported by Portable Class LibraryEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Portable Class LibraryFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Portable Class LibraryGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodSupported by Portable Class LibraryGetProperty<T>Gets a property from the specified BindingContext. (Overrides TransportBindingElement.GetProperty<T>(BindingContext).)
Public methodSupported by Portable Class LibraryGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodSupported by Portable Class LibraryMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodShouldSerializeExtendedProtectionPolicyReturns an indication that it is not possible to Xaml serialize the extended protection policy.
Public methodSupported by Portable Class LibraryToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Explicit interface implemetationPrivate methodIPolicyExportExtension.ExportPolicyExports a custom policy assertion about bindings.
Explicit interface implemetationPrivate methodIWsdlExportExtension.ExportContractWrites custom Web Services Description Language (WSDL) elements into the generated WSDL for a contract.
Explicit interface implemetationPrivate methodIWsdlExportExtension.ExportEndpointWrites custom Web Services Description Language (WSDL) elements into the generated WSDL for an endpoint.
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The HttpTransportBindingElement class is the starting point for creating a custom binding that implements the HTTP transport protocol. HTTP is the primary transport used for interoperability purposes. This transport is supported by to ensure interoperability with other non- Web services stacks.

The service model uses this class to create factory objects that implement the IChannelFactory and IChannelListener interfaces. These factory objects, in turn, create the channels and listeners that transmit SOAP messages using the HTTP protocol.

You configure the factories that this class creates by setting its properties, such as AuthenticationScheme, HostNameComparisonMode, and MaxBufferSize.

You can also set properties on the base class, TransportBindingElement, such as ManualAddressing, MaxReceivedMessageSize, and MaxBufferPoolSize. For a complete list of properties, see TransportBindingElement.

The following code shows how to imperatively use the HttpTransportBindingElement.


Uri baseAddress = new Uri("http://localhost:8000/servicemodelsamples/service");

// Create a ServiceHost for the CalculatorService type and provide the base address.
using (ServiceHost serviceHost = new ServiceHost(typeof(CalculatorService), baseAddress))
{
    // Create a custom binding that contains two binding elements.
    ReliableSessionBindingElement reliableSession = new ReliableSessionBindingElement();
    reliableSession.Ordered = true;

    HttpTransportBindingElement httpTransport = new HttpTransportBindingElement();
    httpTransport.AuthenticationScheme = System.Net.AuthenticationSchemes.Anonymous;
    httpTransport.HostNameComparisonMode = HostNameComparisonMode.StrongWildcard;

    CustomBinding binding = new CustomBinding(reliableSession, httpTransport);

    // Add an endpoint using that binding.
    serviceHost.AddServiceEndpoint(typeof(ICalculator), binding, "");

    // Add a MEX endpoint.
    ServiceMetadataBehavior smb = new ServiceMetadataBehavior();
    smb.HttpGetEnabled = true;
    smb.HttpGetUrl = new Uri("http://localhost:8001/servicemodelsamples");
    serviceHost.Description.Behaviors.Add(smb);

    // Open the ServiceHostBase to create listeners and start listening for messages.
    serviceHost.Open();

    // The service can now be accessed.
    Console.WriteLine("The service is ready.");
    Console.WriteLine("Press <ENTER> to terminate service.");
    Console.WriteLine();
    Console.ReadLine();

    // Close the ServiceHostBase to shutdown the service.
    serviceHost.Close();
}


HttpTransportBindingElement can also be used in a configuration file as shown in the following configuration.

<bindings>
  <customBinding>
    <binding name="Binding1">
      <reliableSession acknowledgementInterval="00:00:00.2000000" enableFlowControl="true"
                        maxTransferWindowSize="32" inactivityTimeout="00:10:00" maxPendingChannels="128"
                        maxRetryCount="8" ordered="true" />
      <security mode="None"/>
      <httpTransport authenticationScheme="Anonymous" bypassProxyOnLocal="false"
                    hostNameComparisonMode="StrongWildcard" 
                    proxyAuthenticationScheme="Anonymous" realm="" 
                    useDefaultWebProxy="true" />
    </binding>
  </customBinding>
</bindings>

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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