VB.NET IClientChannelSink.AsyncProcessResponse方法代码示例

<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _
Public Class LoggingServerChannelSinkProvider
   Implements IServerChannelSinkProvider 
   Private next2 As IServerChannelSinkProvider = Nothing
   
   Public Sub New(properties As IDictionary, providerData As ICollection)
   End Sub
   
   Public Sub GetChannelData(channelData As IChannelDataStore) _ 
                               Implements IServerChannelSinkProvider.GetChannelData
   End Sub
   
   Public Function CreateSink(channel1 As IChannelReceiver) As IServerChannelSink _ 
                                     Implements IServerChannelSinkProvider.CreateSink
      Dim localNextSink As IServerChannelSink = Nothing
      If Not (next2 Is Nothing) Then
         localNextSink = next2.CreateSink(channel1)
      End If
      Return New LoggingServerChannelSink(localNextSink)
   End Function 'CreateSink
   
   Public Property [Next]() As IServerChannelSinkProvider Implements _ 
                                                     IServerChannelSinkProvider.Next
      Get
         Return next2
      End Get
      Set
         next2 = value
      End Set
   End Property
End Class

<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _ 
Friend Class LoggingServerChannelSink
   Inherits BaseChannelObjectWithProperties
   Implements IServerChannelSink 
   Private nextSink2 As IServerChannelSink = Nothing
   Private bEnabled2 As Boolean = True
   
   Public Sub New(localNextSink As IServerChannelSink)
      MyBase.new()
      nextSink2 = localNextSink
   End Sub
   
  Public Function ProcessMessage(   ByVal sinkStack As IServerChannelSinkStack, _
      ByVal requestMsg As IMessage, _
      ByVal requestHeaders As ITransportHeaders, _
      ByVal requestStream As Stream, _
      <Out> ByRef responseMsg As IMessage, _
      <Out> ByRef responseHeaders As ITransportHeaders, _
      <Out> ByRef responseStream As Stream _
   ) As ServerProcessing _ 
      Implements IServerChannelSink.ProcessMessage
      If bEnabled2 Then
         Console.WriteLine("----------Request Headers-----------")
         Console.WriteLine(CommonTransportKeys.IPAddress.ToString() + ":" + _ 
                              requestHeaders(CommonTransportKeys.IPAddress).ToString())
      Console.WriteLine(CommonTransportKeys.ConnectionId.ToString() + ":" + _ 
                              requestHeaders(CommonTransportKeys.ConnectionId).ToString())
      Console.WriteLine(CommonTransportKeys.RequestUri.ToString() + ":" + _ 
                              requestHeaders(CommonTransportKeys.RequestUri).ToString())
      End If
      sinkStack.Push(Me, Nothing)
      Dim processing As ServerProcessing = _ 
                                   nextSink2.ProcessMessage _ 
               (sinkStack, requestMsg, requestHeaders, requestStream, responseMsg, responseHeaders, responseStream)
      
      Select Case processing
         Case ServerProcessing.Complete
               sinkStack.Pop(Me)
         Case ServerProcessing.OneWay
               sinkStack.Pop(Me)
         Case ServerProcessing.Async
               sinkStack.Store(Me, Nothing)
      End Select
      Return processing
   End Function 'ProcessMessage
   
   Public Sub AsyncProcessResponse(sinkStack As IServerResponseChannelSinkStack, _ 
           state As Object, msg As IMessage, headers As ITransportHeaders, stream1 As Stream) _ 
                                    Implements IServerChannelSink.AsyncProcessResponse
      sinkStack.AsyncProcessResponse(msg, headers, stream1)
   End Sub
   
   Public Function GetResponseStream(sinkStack As IServerResponseChannelSinkStack, _ 
               state As Object, msg As IMessage, headers As ITransportHeaders) As Stream _ 
                                    Implements IServerChannelSink.GetResponseStream
      Return Nothing
   End Function 'GetResponseStream
   
   Public ReadOnly Property NextChannelSink() As IServerChannelSink _ 
                                       Implements IServerChannelSink.NextChannelSink
      Get
         Return nextSink2
      End Get
   End Property

   Public Overrides ReadOnly Property Properties() As Collections.IDictionary _ 
               Implements IServerChannelSink.Properties
      Get
     return nothing		
      End Get
   End Property
End Class