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' **********************************************************************
'
' Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
'
' This copy of Ice is licensed to you under the terms described in the
' ICE_LICENSE file included in this distribution.
'
' **********************************************************************
Imports System
Imports Demo
Module ThroughputC
Class Client
Inherits Ice.Application
Private Sub menu()
Console.Out.WriteLine("usage:")
Console.Out.WriteLine()
Console.Out.WriteLine("toggle type of data to send:")
Console.Out.WriteLine("1: sequence of bytes (default)")
Console.Out.WriteLine("2: sequence of strings(""hello"")")
Console.Out.WriteLine("3: sequence of structs with a string (""hello"") and a double")
Console.Out.WriteLine("4: sequence of structs with two ints and a double")
Console.Out.WriteLine()
Console.Out.WriteLine("select test to run:")
Console.Out.WriteLine("t: Send sequence as twoway")
Console.Out.WriteLine("o: Send sequence as oneway")
Console.Out.WriteLine("r: Receive sequence")
Console.Out.WriteLine("e: Echo (send and receive) sequence")
Console.Out.WriteLine()
Console.Out.WriteLine("other commands")
Console.Out.WriteLine("s: shutdown server")
Console.Out.WriteLine("x: exit")
Console.Out.WriteLine("?: help")
End Sub
Public Overloads Overrides Function run(ByVal args() As String) As Integer
If args.Length > 0 Then
Console.Error.WriteLine(appName() & ": too many arguments")
Return 1
End If
Dim throughput As ThroughputPrx = ThroughputPrxHelper.checkedCast(communicator.propertyToProxy("Throughput.Throughput"))
If throughput Is Nothing Then
Console.Error.WriteLine("invalid proxy")
Return 1
End If
Dim throughputOneway As ThroughputPrx = ThroughputPrxHelper.uncheckedCast(throughput.ice_oneway())
Dim byteSeq() As Byte = New Byte(ByteSeqSize.value - 1) {}
Dim stringSeq() As String = New String(StringSeqSize.value - 1) {}
For i As Integer = 0 To StringSeqSize.value - 1
stringSeq(i) = "hello"
Next
Dim structSeq() As StringDouble = New StringDouble(StringDoubleSeqSize.value - 1) {}
For i As Integer = 0 To StringDoubleSeqSize.value - 1
structSeq(i) = New StringDouble
structSeq(i).s = "hello"
structSeq(i).d = 3.14
Next
Dim fixedSeq() As Fixed = New Fixed(FixedSeqSize.value - 1) {}
For i As Integer = 0 To FixedSeqSize.value - 1
fixedSeq(i).i = 0
fixedSeq(i).j = 0
fixedSeq(i).d = 0
Next
'
' A method needs to be invoked thousands of times before the JIT compiler
' will convert it to native code. To ensure an accurate throughput measurement,
' we need to "warm up" the JIT compiler.
'
Dim emptyBytes() As Byte = New Byte(0) {}
Dim emptyStrings() As String = New String(0) {}
Dim emptyStructs() As StringDouble = New StringDouble(0) {}
emptyStructs(0) = New StringDouble
Dim emptyFixed() As Fixed = New Fixed(0) {}
emptyFixed(0) = New Fixed
Dim repetitions As Integer = 10000
Console.Out.Write("warming up the JIT compiler...")
Console.Out.Flush()
For i As Integer = 0 To repetitions - 1
throughput.sendByteSeq(emptyBytes)
throughput.sendStringSeq(emptyStrings)
throughput.sendStructSeq(emptyStructs)
throughput.sendFixedSeq(emptyFixed)
throughput.recvByteSeq()
throughput.recvStringSeq()
throughput.recvStructSeq()
throughput.recvFixedSeq()
throughput.echoByteSeq(emptyBytes)
throughput.echoStringSeq(emptyStrings)
throughput.echoStructSeq(emptyStructs)
throughput.echoFixedSeq(emptyFixed)
Next
throughput.endWarmup()
Console.Out.WriteLine("ok")
menu()
'
' By default use bytes sequence.
'
Dim currentType As Char = "1"
Dim seqSize As Integer = ByteSeqSize.value
Dim line As String = Nothing
Do
Try
Console.Out.Write("==> ")
Console.Out.Flush()
line = Console.In.ReadLine()
If line Is Nothing Then
Exit Do
End If
Dim tmsec As Long = System.DateTime.Now.Ticks / 10000
repetitions = 100
If line.Equals("1") Or line.Equals("2") Or line.Equals("3") Or line.Equals("4") Then
currentType = line.Chars(0)
Select Case currentType
Case "1"
Console.WriteLine("using byte sequences")
seqSize = ByteSeqSize.value
Case "2"
Console.WriteLine("using string sequences")
seqSize = StringSeqSize.value
Case "3"
Console.WriteLine("using variable-length struct sequences")
seqSize = StringDoubleSeqSize.value
Case "4"
Console.WriteLine("using fixed-length struct sequences")
seqSize = FixedSeqSize.value
End Select
ElseIf line.Equals("t") Or line.Equals("o") Or line.Equals("r") Or line.Equals("e") Then
Dim c As Char = line.Chars(0)
Select Case c
Case "t"
Console.Out.Write("sending")
Case "o"
Console.Out.Write("sending")
Case "r"
Console.Out.Write("receiving")
Case "e"
Console.Out.Write("sending and receiving")
End Select
Console.Out.Write(" " & repetitions)
Select Case currentType
Case "1"
Console.Write(" byte")
Case "2"
Console.Write(" string")
Case "3"
Console.Write(" variable-length struct")
Case "4"
Console.Write(" fixed-length struct")
End Select
Console.Write(" sequences of size " & seqSize)
If c = "o" Then
Console.Out.Write(" as oneway")
End If
Console.Out.WriteLine("...")
For i As Integer = 0 To repetitions - 1
Select Case currentType
Case "1"
Select Case c
Case "t"
throughput.sendByteSeq(byteSeq)
Case "o"
throughputOneway.sendByteSeq(byteSeq)
Case "r"
throughput.recvByteSeq()
Case "e"
throughput.echoByteSeq(byteSeq)
End Select
Case "2"
Select Case c
Case "t"
throughput.sendStringSeq(stringSeq)
Case "o"
throughputOneway.sendStringSeq(stringSeq)
Case "r"
throughput.recvStringSeq()
Case "e"
throughput.echoStringSeq(stringSeq)
End Select
Case "3"
Select Case c
Case "t"
throughput.sendStructSeq(structSeq)
Case "o"
throughputOneway.sendStructSeq(structSeq)
Case "r"
throughput.recvStructSeq()
Case "e"
throughput.echoStructSeq(structSeq)
End Select
Case "4"
Select Case c
Case "t"
throughput.sendFixedSeq(fixedSeq)
Case "o"
throughputOneway.sendFixedSeq(fixedSeq)
Case "r"
throughput.recvFixedSeq()
Case "e"
throughput.echoFixedSeq(fixedSeq)
End Select
End Select
Next
Dim dmsec As Double = System.DateTime.Now.Ticks / 10000 - tmsec
Console.Out.WriteLine("time for " & repetitions & " sequences: " & dmsec.ToString("F") & "ms")
Console.Out.WriteLine("time per sequence: " & CType(dmsec / repetitions, Double).ToString("F") & "ms")
Dim wireSize As Integer = 0
Select Case currentType
Case "1"
wireSize = 1
Case "2"
wireSize = stringSeq(0).Length
Case "3"
wireSize = structSeq(0).s.Length
wireSize += 8 ' Size of double on the wire.
Case "4"
wireSize = 16 ' Size of two ints and a double on the wire.
End Select
Dim mbit As Double = repetitions * seqSize * wireSize * 8.0 / dmsec / 1000.0
If c = "e" Then
mbit *= 2
End If
Console.Out.WriteLine("throughput: " & mbit.ToString("#.##") & "Mbps")
ElseIf line.Equals("s") Then
throughput.shutdown()
ElseIf line.Equals("x") Then
' Nothing to do
ElseIf line.Equals("?") Then
menu()
Else
Console.Out.WriteLine("unknown command `" & line & "'")
menu()
End If
Catch ex As System.Exception
Console.Error.WriteLine(ex)
End Try
Loop While Not line.Equals("x")
Return 0
End Function
End Class
Public Sub Main(ByVal args() As String)
Dim app As Client = New Client
Dim status As Integer = app.main(args, "config.client")
System.Environment.Exit(status)
End Sub
End Module
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