IClientChannelSink.AsyncProcessRequest-Methode

Fordert die asynchrone Verarbeitung eines Methodenaufrufs für den aktuellen Empfänger an.

Namespace: System.Runtime.Remoting.Channels
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
Sub AsyncProcessRequest ( _
    sinkStack As IClientChannelSinkStack, _
    msg As IMessage, _
    headers As ITransportHeaders, _
    stream As Stream _
)
'Usage
Dim instance As IClientChannelSink
Dim sinkStack As IClientChannelSinkStack
Dim msg As IMessage
Dim headers As ITransportHeaders
Dim stream As Stream

instance.AsyncProcessRequest(sinkStack, msg, headers, stream)

void AsyncProcessRequest (
    IClientChannelSinkStack sinkStack,
    IMessage msg,
    ITransportHeaders headers,
    Stream stream
)

void AsyncProcessRequest (
    IClientChannelSinkStack^ sinkStack, 
    IMessage^ msg, 
    ITransportHeaders^ headers, 
    Stream^ stream
)

void AsyncProcessRequest (
    IClientChannelSinkStack sinkStack, 
    IMessage msg, 
    ITransportHeaders headers, 
    Stream stream
)

function AsyncProcessRequest (
    sinkStack : IClientChannelSinkStack, 
    msg : IMessage, 
    headers : ITransportHeaders, 
    stream : Stream
)

Parameter

• sinkStack
  Ein Stapel von Channelempfängern, die diesen Empfänger aufgerufen haben.

• msg
  Die zu verarbeitende Meldung.

• headers
  Die Header, die der ausgehenden, an den Server gesendeten Meldung hinzugefügt werden sollen.

• stream
  Der an die Transportsenke gesendete Stream.

Ausnahmen

Beispiel

<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _
Friend Class MyClientFormatterChannelSink
   Inherits BaseChannelSinkWithProperties
   Implements IClientChannelSink, IMessageSink
   Private nextClientSink As IClientChannelSink = Nothing
   Private nextMessageSink As IMessageSink = Nothing

   Public Sub New(nextSink As IClientChannelSink, nextMsgSink As IMessageSink)
      MyBase.New()
      nextClientSink = nextSink
      nextMessageSink = nextMsgSink
   End Sub 'New

   Public Sub ProcessMessage(msg As IMessage, requestHeaders As ITransportHeaders, _
               requestStream As Stream, ByRef responseHeaders As ITransportHeaders, _
               ByRef responseStream As Stream) _
               Implements IClientChannelSink.ProcessMessage
      nextClientSink.ProcessMessage(msg, requestHeaders, requestStream, _
                                    responseHeaders, responseStream)
   End Sub 'ProcessMessage

   Public Sub AsyncProcessRequest(sinkStack As IClientChannelSinkStack, _
            msg As IMessage, headers As ITransportHeaders, myStream As Stream) _
            Implements IClientChannelSink.AsyncProcessRequest
      sinkStack.Push(Me, Nothing)
      nextClientSink.AsyncProcessRequest(sinkStack, msg, headers, myStream)
   End Sub 'AsyncProcessRequest

   Public Sub AsyncProcessResponse(sinkStack As IClientResponseChannelSinkStack, _
            state As Object, headers As ITransportHeaders, myStream As Stream) _
            Implements IClientChannelSink.AsyncProcessResponse
      sinkStack.AsyncProcessResponse(headers, myStream)
   End Sub 'AsyncProcessResponse

   Public Function GetRequestStream(msg As IMessage, headers As ITransportHeaders) As Stream _
         Implements IClientChannelSink.GetRequestStream
      Return Nothing
   End Function 'GetRequestStream

   Public ReadOnly Property NextChannelSink() As IClientChannelSink _
         Implements IClientChannelSink.NextChannelSink
      Get
         Return nextClientSink
      End Get
   End Property

   Public ReadOnly Property NextSink() As IMessageSink _
         Implements IMessageSink.NextSink
      Get
         Return nextMessageSink
      End Get
   End Property

   Public Overrides ReadOnly Property Properties() As Collections.IDictionary _
            Implements IClientChannelSink.Properties
      Get
      End Get
   End Property

   Public Function AsyncProcessMessage(msg As IMessage, replySink As IMessageSink) As IMessageCtrl _
            Implements IMessageSink.AsyncProcessMessage
      Return Nothing
   End Function 'AsyncProcessMessage

   Public Function SyncProcessMessage(msg As IMessage) As IMessage _
            Implements IMessageSink.SyncProcessMessage
      Return nextMessageSink.SyncProcessMessage(msg)
   End Function 'SyncProcessMessage

   Default Public Overrides Property Item(key As Object) As Object
      Get
         If key Is GetType(MyKey) Then
            Return Me
         End If
         Return Nothing
      End Get
      Set
         Throw New NotSupportedException()
      End Set
   End Property

   Public Overrides ReadOnly Property Keys() As ICollection
      Get
         Dim myKeys As New ArrayList(0)
         myKeys.Add(GetType(MyKey))
         Return myKeys
      End Get
   End Property
End Class 'MyClientFormatterChannelSink

Public Class MyKey
End Class 'MyKey

[SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.Infrastructure)]
internal class MyClientFormatterChannelSink :
         BaseChannelSinkWithProperties, IClientChannelSink, IMessageSink
{
   private IClientChannelSink nextClientSink=null;
   private IMessageSink nextMessageSink = null;

   public MyClientFormatterChannelSink(IClientChannelSink nextSink,
                                       IMessageSink nextMsgSink) : base()
   {
      nextClientSink = nextSink;
      nextMessageSink = nextMsgSink;
   }

   public void ProcessMessage(IMessage msg,
         ITransportHeaders requestHeaders, Stream requestStream,
         out ITransportHeaders responseHeaders, out Stream responseStream)
   {
      nextClientSink.ProcessMessage(msg, requestHeaders, requestStream,
               out responseHeaders, out responseStream);
   }

   public void AsyncProcessRequest(IClientChannelSinkStack sinkStack,
                  IMessage msg, ITransportHeaders headers, Stream myStream)
   {
      sinkStack.Push(this, null);
      nextClientSink.AsyncProcessRequest(sinkStack,msg,headers,myStream);
   }

   public void AsyncProcessResponse(IClientResponseChannelSinkStack sinkStack,
         Object state, ITransportHeaders headers, Stream myStream)
   {
      sinkStack.AsyncProcessResponse(headers, myStream);
   }

   public Stream GetRequestStream(IMessage msg,ITransportHeaders headers)
   {
      return null;
   }

   public IClientChannelSink NextChannelSink
   {
      get
      {
         return nextClientSink;
      }
   }

   public IMessageSink NextSink
   {
      get
      {
         return nextMessageSink;
      }
   }

   public IMessageCtrl AsyncProcessMessage(IMessage msg,
                                                IMessageSink replySink)
   {
      return null;
   }

   public IMessage SyncProcessMessage(IMessage msg)
   {
      return nextMessageSink.SyncProcessMessage(msg);
   }

   public override Object this[Object key]
   {
      get
      {
         if (key == typeof(MyKey))
            return this;
         return null;
      }
      set
      {
         throw new NotSupportedException();
      }
   }
   public override ICollection Keys
   {
      get
      {
         ArrayList myKeys = new ArrayList(1);
         myKeys.Add(typeof(MyKey));
         return myKeys;
      }
   }
}
public class MyKey
{
}

.NET Framework-Sicherheit

• SecurityPermission  für die Verwendung von Infrastrukturcode. Anforderungswert: SecurityAction.LinkDemand; Berechtigungswert: SecurityPermissionFlag.Infrastructure

Plattformen

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

IClientChannelSink-Schnittstelle
IClientChannelSink-Member
System.Runtime.Remoting.Channels-Namespace

Weitere Ressourcen

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