Call remote method: asynchronus call : Remote asynchronus « Network Remote « VB.Net

Home
VB.Net
1.2D
2.Application
3.Class
4.Data Structure
5.Data Types
6.Database ADO.net
7.Development
8.Event
9.File Directory
10.Generics
11.GUI
12.Language Basics
13.LINQ
14.Network Remote
15.Security
16.Thread
17.Windows Presentation Foundation
18.Windows System
19.XML
20.XML LINQ
VB.Net Tutorial
VB.Net by API
VB.Net » Network Remote » Remote asynchronusScreenshots 
Call remote method: asynchronus call

///////////////////////////////////general.vb
// Compile: vbc /target:library  general.vb
Imports System
Imports System.Runtime.Remoting.Messaging

Public MustInherit Class BaseRemoteObject
    Inherits MarshalByRefObject

    Public MustOverride Sub setValue(ByVal newval As Integer)
    Public MustOverride Function getValue() As Integer
End Class



///////////////////////////////////test.vb
// Compile: vbc /t:exe /r:general.dll test.vb
Imports System
Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Channels.Http
Imports System.Runtime.Remoting.Channels
Imports System.Runtime.Remoting.Proxies

Module Client

    Delegate Sub SetValueDelegate(ByVal value As Integer)

    Sub Main()
        Dim start As DateTime = System.DateTime.Now

        Dim channel As New HttpChannel()
        ChannelServices.RegisterChannel(channel,false)

        Dim obj As BaseRemoteObject = CType(Activator.GetObject_
            GetType(BaseRemoteObject), _
            "http://localhost:1234/MyRemoteObject.soap"), BaseRemoteObject)


        Dim svDelegate As New SetValueDelegate(AddressOf obj.setValue)
        Dim svAsyncres As IAsyncResult = svDelegate.BeginInvoke(42, Nothing, _
            Nothing)

        svDelegate.EndInvoke(svAsyncres)

        Dim tmp As Integer = obj.getValue()

        Console.WriteLine(tmp)
        Dim finished As DateTime = System.DateTime.Now
        Dim duration As TimeSpan = finished.Subtract(start)


        
    End Sub
End Module


///////////////////////////////////server.vb
// vbc /target:exe  /r:general.dll server.vb
Imports System
Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Channels.Http
Imports System.Runtime.Remoting.Channels
Imports System.Threading


Class MyRemoteObject
    Inherits BaseRemoteObject
    Private myvalue As Integer

    Public Sub New()
    End Sub

    Public Overrides Sub setValue(ByVal newval As Integer)
        Console.WriteLine("old {0} new {1}", myvalue, newval)

        Thread.Sleep(5000)

        myvalue = newval
    End Sub


    Public Overrides Function getValue() As Integer
        Return myvalue
    End Function

End Class

Module ServerStartup

    Sub Main()
        Dim chnl As New HttpChannel(1234)
        ChannelServices.RegisterChannel(chnl,false)

        RemotingConfiguration.RegisterWellKnownServiceType_
            GetType(MyRemoteObject)"MyRemoteObject.soap", _
            WellKnownObjectMode.Singleton)

        Console.ReadLine()
    End Sub
End Module

           
       
Related examples in the same category
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.