Imports System
Imports System.IO
Imports System.Net
Imports System.Net.Sockets
Imports System.Text
Public Class DateTimeClient
Public Shared Sub Main()
Dim args As String() = Environment.GetCommandLineArgs()
Dim serverHost As String = "127.0.0.1"
Dim hostadd As IPAddress = Dns.Resolve(serverHost).AddressList(0)
Dim EPhost As New IPEndPoint(hostadd, 13)
Dim clientSocket As New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
Try
clientSocket.Connect(EPhost)
Catch ex As Exception
Console.WriteLine(ex.ToString())
End Try
Try
Dim recvbytes(1024) As Byte
Dim i As Integer = clientSocket.Receive(recvbytes, 0, clientSocket.Available, SocketFlags.None)
Dim datetime As String = Encoding.ASCII.GetString(recvbytes, 0, i)
Console.WriteLine("Receive {0} bytes.", i)
Console.WriteLine("Current server date/Time: {0}", datetime)
clientSocket.Shutdown(SocketShutdown.Both)
clientSocket.Close()
Catch ec As Exception
Console.WriteLine(ec.StackTrace.ToString())
Exit Sub
End Try
End Sub
End Class