Imports System.IO
Imports System.Net.NetworkInformation
Imports System.Text
Imports System.Threading
Imports WeebDoorCreator.SDK

Public Class Form1

#Region "Public Methods"

    Public Sub DisplayQueueStatus()
        Dim queueStatus As New Dictionary(Of String, Long)
        queueStatus = currWDC.queueStatus
        Dim sb As StringBuilder
        sb = New StringBuilder
        sb.AppendLine("----------------------------")
        For Each item As KeyValuePair(Of String, Long) In queueStatus
            sb.AppendLine($"{item.Key} | Found {item.Value} items")
        Next
        sb.AppendLine("----------------------------")
        sb.AppendLine()
        txtOut.Text = sb.ToString()
    End Sub

    Public Sub SetMaxCamInstances(value As Integer)
        m_MaxCamInstances = value
    End Sub

#End Region


    Private ReadOnly synchronizationContext As SynchronizationContext

    Private Sub performBarAdvance()
        synchronizationContext.Post(New SendOrPostCallback(Function(o)
                                                               tsProgBar.PerformStep()

                                                               If tsProgBar.Value >= tsProgBar.Maximum Then
                                                                   tsProgBar.Value = 0
                                                               End If

                                                               tsProgBar.Invalidate()
                                                           End Function), "")
    End Sub

#Region "Private Fields"

    ' caricamento del NEXT STACK da redis (come oggetto) PROD http : https://iis01.egalware.com/WDC/SRV/
    ' DEV:  https : https://localhost:7043/
    Dim baseIp As String = "iis01.egalware.com"

    Dim baseUrl As String = "https://iis01.egalware.com/WDC/SRV/"
    Dim codPost As String = "WRK001" ' nome macchina calcolo
    Dim currWDC As WDC = New WDC(baseIp, baseUrl, codPost)
    Dim idxSim As Integer = 0
    Dim m_bExecutionThreadStoped As Boolean = False
    Dim m_bStopProcess As Boolean = False
    Dim m_ExecutionThread As Thread

    'Private m_MaxCamInstances As Integer = 8
    Private m_MaxCamInstances As Integer = 1
    Dim risultatoPing As PingReply = Nothing
    Dim ThreadList As Thread()

#End Region

#Region "Private Methods"

    Private Sub btnFullTest_Click(sender As Object, e As EventArgs) Handles btnFullTest.Click

        Dim num2proc As Integer
        Dim queueStatus As New Dictionary(Of String, Long)
        Dim queueList As New Dictionary(Of String, String)
        Dim procResults As New List(Of CalcResultDTO)
        Dim respPut As String
        Dim fileName As String
        Dim fileCont As String

        queueStatus = currWDC.queueStatus
        Dim sb As StringBuilder
        sb = New StringBuilder
        sb.AppendLine("----------------------------")
        For Each item As KeyValuePair(Of String, Long) In queueStatus
            sb.AppendLine($"{item.Key} | Found {item.Value} items")
        Next
        sb.AppendLine("----------------------------")
        sb.AppendLine()
        txtOut.Text = sb.ToString()
        ' recupero numero da processare
        num2proc = currWDC.numTask2proc
        If (num2proc > 0) Then

            sb.AppendLine("----------------------------")
            ' mi prendo la lista dei primi 10 max e processo...
            queueList = currWDC.queueList(10)
            For Each item As KeyValuePair(Of String, String) In queueList
                fileCont = ""
                idxSim = idxSim + 1
                If (idxSim > 3) Then
                    idxSim = 0
                End If
                fileName = Path.Combine("temp", $"Logo{idxSim:00}.svg")
                If (File.Exists(fileName)) Then
                    fileCont = File.ReadAllText(fileName)
                End If

                ' mi limito a mostrare codice + contenuto DDF... dovrebbe processare invero...
                sb.AppendLine("--------------------------------------------------------")
                sb.AppendLine($"DoorId.Vers: {item.Key}")
                sb.AppendLine("DDF:")
                sb.AppendLine("--------")
                sb.AppendLine(item.Value)
                sb.AppendLine("--------------------------------------------------------")
                sb.AppendLine()

                ' costruisco risposta finta di processing con esito true + SVG
                Dim currRes As New CalcResultDTO
                currRes.Validated = True
                currRes.DoorIdVers = $"{item.Key}.{item.Value}"
                currRes.SvgGen = fileCont
                procResults.Add(currRes)
            Next
            sb.AppendLine("----------------------------")
            sb.AppendLine()

            ' rendo la risposta...
            respPut = currWDC.SendProcResults(procResults)
            sb.AppendLine()
            sb.AppendLine("----------------------------")
            sb.AppendLine("Esito invio risposta al server:")
            sb.AppendLine()
            sb.AppendLine(respPut)
            sb.AppendLine("----------------------------")

            txtOut.Text = sb.ToString()
        End If

    End Sub

    Private Sub btnQueueStatus_Click(sender As Object, e As EventArgs) Handles btnQueueStatus.Click
        DisplayQueueStatus()
    End Sub

    Private Sub btnResetQueue_Click(sender As Object, e As EventArgs) Handles btnResetQueue.Click
        currWDC.ResetQueue()
        txtOut.Text = "Queue Resetted!"
    End Sub

    Private Sub btnTestAlive_Click(sender As Object, e As EventArgs) Handles btnTestAlive.Click
        Dim answ As String = ""
        If (currWDC.testAlive) Then
            lblTestAlive.Text = "Server Alive!!!"
        Else
            lblTestAlive.Text = "Alive test failed!"
        End If
    End Sub

    Private Sub btnTestPing_Click(sender As Object, e As EventArgs) Handles btnTestPing.Click
        ' chiamo test ping...
        risultatoPing = currWDC.testPing
        lblpingTest.Text = risultatoPing.Status.ToString()
    End Sub

    Private Sub ExecutionProcess()
        ' recupero Id dei DDF
        Dim sDdfRoot As String = "c:\EgtData\WebDoor\Ddf"
        Dim sCurrDdfDir As String = ""
        Dim nDdfId As Integer = 1

        ' Numero di core logici da utilizzare (minimo tra presenti sul PC e imposti da INI)
        Dim nMaxThread As Integer = Math.Min(Environment.ProcessorCount, m_MaxCamInstances)
        Dim bStopMainProcess As Boolean = False
        Dim n30SecCounter As Integer = 0
        While Not bStopMainProcess
            bStopMainProcess = m_bStopProcess
            Dim bOk As Boolean = False
            While Not bOk
                ' ogni 30 secondi
                If n30SecCounter = 30 OrElse n30SecCounter = 0 Then
                    ' verifica connessione
                    Dim risultatoPing As PingReply = currWDC.testPing
                    bOk = risultatoPing.Status = IPStatus.Success
                    If bOk Then
                        bOk = currWDC.testAlive
                    End If
                Else bOk = True
                End If
                ' se connessione non ok o processo fermato, fermo i thread
                If Not bOk OrElse bStopMainProcess Then
                    If Not IsNothing(ThreadList) AndAlso ThreadList.Count > 0 AndAlso Not IsNothing(ThreadList(0)) Then
                        ' li fermo
                        m_bStopProcess = True
                        ' verifico siano terminati
                        Dim bOneNotEnded As Boolean = True
                        While bOneNotEnded
                            bOneNotEnded = False
                            For Each Thread In ThreadList
                                If Thread.IsAlive Then
                                    bOneNotEnded = True
                                End If
                            Next
                        End While
                        ' pulisco la lista
                        For ThreadIndex = 0 To ThreadList.Count - 1
                            ThreadList(ThreadIndex) = Nothing
                        Next
                    End If
                    If bStopMainProcess Then
                        m_bExecutionThreadStoped = True
                        Return
                    End If
                End If
                If Not bOk Then Thread.Sleep(10)
            End While

            If bOk AndAlso (IsNothing(ThreadList) OrElse ThreadList.Count = 0 OrElse IsNothing(ThreadList(0))) Then
                ThreadList = New Thread(nMaxThread - 1) {}
                For nThreadIndex = 0 To nMaxThread - 1
                    ThreadList(nThreadIndex) = New Thread(Sub()
                                                              ThreadFunction()
                                                          End Sub)
                    ThreadList(nThreadIndex).SetApartmentState(ApartmentState.STA)
                    ' avvio thread di gestione della macchina che avvia la connessione
                    ThreadList(nThreadIndex).Start()
                    Thread.Sleep(10)
                Next
            End If
            If n30SecCounter <= 30 Then
                n30SecCounter += 1
            Else
                n30SecCounter = 1
            End If
            Thread.Sleep(1000)
        End While

    End Sub

    Private Function GetFileContent(ByVal filePath As String, ByRef fileContent As String) As Boolean

        Dim bOk As Boolean = File.Exists(filePath)
        If bOk Then
            Try
                fileContent = File.ReadAllText(filePath)
            Catch ex As Exception
                bOk = False
                fileContent = ""
            End Try
        End If
        Return bOk
    End Function

    Private Sub StartProcess_Click(sender As Object, e As EventArgs) Handles StartProcess.Click
        m_bStopProcess = False
        ' fix colori
        StartProcess.BackColor = Color.Green
        StartProcess.ForeColor = Color.White

        m_ExecutionThread = New Thread(Sub()
                                           ExecutionProcess()
                                       End Sub)

        m_ExecutionThread.SetApartmentState(ApartmentState.STA)
        ' avvio thread di gestione della macchina che avvia la connessione
        m_ExecutionThread.Start()

        '' recupero Id dei DDF
        'Dim sDdfRoot As String = "c:\EgtData\WebDoor\Ddf"
        'Dim sCurrDdfDir As String = ""
        'Dim nDdfId As Integer = 1

        '' Numero di core logici da utilizzare (minimo tra presenti sul PC e imposti da INI)
        'Dim nMaxThread As Integer = Math.Min(Environment.ProcessorCount, m_MaxCamInstances)
        'Dim bStopMainProcess As Boolean = False
        'Dim n30SecCounter As Integer = 0
        'While Not bStopMainProcess
        '   bStopMainProcess = m_bStopProcess
        '   Dim bOk As Boolean = False
        '   While Not bOk
        '      ' ogni 30 secondi
        '      If n30SecCounter = 30 OrElse n30SecCounter = 0 Then
        '         ' verifica connessione
        '         Dim risultatoPing As PingReply = currWDC.testPing
        '         bOk = risultatoPing.Status = IPStatus.Success
        '         If bOk Then
        '            bOk = currWDC.testAlive
        '         End If
        '      Else bOk = True
        '      End If
        '      ' se connessione non ok o processo fermato, fermo i thread
        '      If Not bOk OrElse bStopMainProcess Then
        '         If Not IsNothing(ThreadList) AndAlso ThreadList.Count > 0 Then
        '            ' li fermo
        '            m_bStopProcess = True
        '            ' verifico siano terminati
        '            Dim bOneNotEnded As Boolean = True
        '            While bOneNotEnded
        '               bOneNotEnded = False
        '               For Each Thread In ThreadList
        '                  If Thread.IsAlive Then
        '                     bOneNotEnded = True
        '                     Exit For
        '                  End If
        '               Next
        '            End While
        '            ' pulisco la lista
        '            For Each Thread In ThreadList
        '               Thread = Nothing
        '            Next
        '         End If
        '         If bStopMainProcess Then Return
        '      End If
        '      If Not bOk Then Thread.Sleep(10)
        '   End While

        '   If bOk AndAlso (IsNothing(ThreadList) OrElse ThreadList.Count = 0) Then
        '      ThreadList = New Thread(nMaxThread - 1) {}
        '      For nThreadIndex = 0 To nMaxThread - 1
        '         ThreadList(nThreadIndex) = New Thread(Sub()
        '                                                  ThreadFunction()
        '                                               End Sub)
        '         ThreadList(nThreadIndex).SetApartmentState(ApartmentState.STA)
        '         ' avvio thread di gestione della macchina che avvia la connessione
        '         ThreadList(nThreadIndex).Start()
        '      Next
        '   End If
        '   If n30SecCounter <= 30 Then
        '      n30SecCounter += 1
        '   Else
        '      n30SecCounter = 1
        '   End If
        '   Thread.Sleep(1000)
        'End While

        'Dim DdfDirs As String() = Directory.GetDirectories(sDdfRoot)
        'If DdfDirs.Count = 0 Then
        '   sCurrDdfDir = sDdfRoot & "\0"
        '   Directory.CreateDirectory(sCurrDdfDir)
        '   nDdfId = 0
        'Else

        '   nDdfId = Directory.EnumerateFiles(DdfDirs(DdfDirs.Count - 1)).Max(Of Integer)(Function(x)
        '                                                                                    Dim nDirId As Integer = 0
        '                                                                                    If Integer.TryParse(x, nDirId) Then
        '                                                                                       Return nDirId
        '                                                                                    Else
        '                                                                                       Return 0
        '                                                                                    End If
        '                                                                                 End Function)
        '   If (nDdfId + 1) Mod 100 = 0 Then
        '      sCurrDdfDir = sDdfRoot & "\" & nDdfId + 1
        '      Directory.CreateDirectory(sCurrDdfDir)
        '      nDdfId = 0
        '   End If
        'End If

        ' ' Lancio in parallelo più processi (senza superare il numero di core logici presenti) Dim
        ' vProc As MyProc() = New MyProc(nMaxThread - 1) {} For j As Integer = 0 To nMaxThread - 1
        ' vProc(j).nBar = -1 vProc(j).bEnable = True Next

        ' While Not m_bStopProcess

        ' For j As Integer = 0 To nMaxThread - 1 If Not vProc(j).bEnable Then Continue For Dim bDone
        ' As Boolean = False

        ' If vProc(j).nBar = -1 Then

        ' ' se c'e' qualcosa da processare If currWDC.numTask2proc > 0 Then

        ' Dim LastRequest As Dictionary(Of String, String) = currWDC.queueList(1)

        ' If vBar(nCurrBar).bBarOk Then vProc(j).Proc = New Process()
        ' vProc(j).Proc.StartInfo.FileName = ExePath If bIsEdit Then
        ' vProc(j).Proc.StartInfo.Arguments = """" & vBar(nCurrBar).sBarPath & """" Else
        ' vProc(j).Proc.StartInfo.Arguments = """" & vBar(nCurrBar).sBarPath & """ " & """" &
        ' vBar(nCurrBar).nProjType & """ " & """" & vBar(nCurrBar).nMachineName & """ " &
        ' vBar(nCurrBar).nCmdType End If vProc(j).Proc.StartInfo.UseShellExecute = False

        ' If vProc(j).Proc.Start() Then vProc(j).nBar = nCurrBar nCurrBar += 1 nActProc += 1 End If
        ' Else If vBar(nCurrBar).nCmdType = CmdTypes.CHECK OrElse vBar(nCurrBar).nCmdType =
        ' CmdTypes.CHECKGEN Then RaiseEvent Calc_ProcessResult(Nothing, New
        ' CalcResultEventArgs(vBar(nCurrBar))) 'ProcessResults(vBar(nCurrBar)) ElseIf
        ' vBar(nCurrBar).nCmdType = CmdTypes.GENERATE Then RaiseEvent Calc_ProcessResult(Nothing,
        ' New CalcResultEventArgs(vBar(nCurrBar))) 'ProcessResults(vBar(nCurrBar)) 'RaiseEvent
        ' Calc_ProcessEnd(Nothing, New CalcProcessEndEventArgs(vBar(nCurrBar)))
        ' 'ProcessResults(vBar(nCurrBar)) End If bDone = True nCurrBar += 1 End If End If Else

        ' If vProc(j).Proc.HasExited Then ' se terminato con successo If vProc(j).Proc.ExitCode = 0
        ' Then ' salvo il risultato If vBar(vProc(j).nBar).nCmdType = CmdTypes.CHECK OrElse
        ' vBar(vProc(j).nBar).nCmdType = CmdTypes.CHECKGEN Then RaiseEvent
        ' Calc_ProcessResult(Nothing, New CalcResultEventArgs(vBar(vProc(j).nBar))) '
        ' ProcessResults(vBar(vProc(j).nBar)) ElseIf vBar(vProc(j).nBar).nCmdType =
        ' CmdTypes.GENERATE Then RaiseEvent Calc_ProcessResult(Nothing, New
        ' CalcResultEventArgs(vBar(vProc(j).nBar))) ' ProcessResults(vBar(vProc(j).nBar))
        ' 'RaiseEvent Calc_ProcessEnd(Nothing, New CalcProcessEndEventArgs(vBar(vProc(j).nBar)))
        ' 'ProcessResults(vBar(nCurrBar)) End If bDone = True vProc(j).nBar = -1 nActProc -= 1 ' se
        ' superato il numero di processi eseguibili in parallelo ElseIf vProc(j).Proc.ExitCode = 1
        ' Then ' aggiungo il pezzo in coda If numBars + nShiftBar < numBars + nMaxThread Then
        ' vBar(numBars + nShiftBar) = vBar(vProc(j).nBar) nShiftBar += 1 End If ' disabilito il
        ' processo vProc(j).bEnable = False vProc(j).nBar = -1 nActProc -= 1 ' altrimenti (errore
        ' generico di esecuzione) Else ' salvo il risultato If vBar(vProc(j).nBar).nCmdType =
        ' CmdTypes.CHECK OrElse vBar(vProc(j).nBar).nCmdType = CmdTypes.CHECKGEN Then RaiseEvent
        ' Calc_ProcessResult(Nothing, New CalcResultEventArgs(vBar(vProc(j).nBar))) '
        ' ProcessResults(vBar(vProc(j).nBar)) ElseIf vBar(vProc(j).nBar).nCmdType =
        ' CmdTypes.GENERATE Then RaiseEvent Calc_ProcessResult(Nothing, New
        ' CalcResultEventArgs(vBar(vProc(j).nBar))) ' ProcessResults(vBar(vProc(j).nBar))
        ' 'RaiseEvent Calc_ProcessEnd(Nothing, New CalcProcessEndEventArgs(vBar(vProc(j).nBar)))
        ' 'ProcessResults(vBar(nCurrBar)) End If bDone = True vProc(j).nBar = -1 nActProc -= 1 End
        ' If Else vProc(j).Proc.Refresh() End If End If

        ' If bDone Then ' se sono in simulazione If bIsSimulation Then Dim sOriPath As String =
        ' Path.ChangeExtension(vBar(0).sBarPath, ".ori.bwe") ' se file modificato a mano If
        ' File.GetLastWriteTime(sOriPath) < File.GetLastWriteTime(vBar(0).sBarPath) Then ' aggiorno
        ' progetto If File.Exists(vBar(0).sBarPath) Then File.Copy(vBar(0).sBarPath, sOriPath, True)

        ' ' messaggio di lancio verifica callback(50, "Verifying modifications...", bCancel) '
        ' lancio verifica System.Threading.Thread.Sleep(500)

        '                     Dim Proc As New Process()
        '                     Proc.StartInfo.FileName = ExePath
        '                     Proc.StartInfo.Arguments = """" & vBar(0).sBarPath & """ " &
        '                                                      """" & vBar(0).nProjType & """ " &
        '"""" & vBar(0).nMachineName & """ " & CmdTypes.CHECKGEN
        '                     Proc.StartInfo.UseShellExecute = False

        ' If Proc.Start() Then Dim ProgressValue As Integer = 50 While Not Proc.HasExited
        ' Proc.Refresh() If ProgressValue < 90 Then ProgressValue += 0.001 callback(ProgressValue,
        ' "Verifying modifications...", bCancel) Thread.Sleep(1) End While ' se terminato con
        ' successo If Proc.ExitCode = 0 Then ' salvo il risultato RaiseEvent
        ' Calc_ProcessResult(Nothing, New CalcResultEventArgs(vBar(0))) Thread.Sleep(500) End If End
        ' If End If ' messaggio di completamento simulazione callback(0, "Simulation closing",
        ' bCancel) ElseIf bIsEdit Then ' ricarico il progetto Dim Result As CalcEndEventArgs.Results
        ' If bAllKO Then Result = CalcEndEventArgs.Results.ERROR_ ElseIf bIsEdit Then Result =
        ' CalcEndEventArgs.Results.EDIT Else Result = CalcEndEventArgs.Results.OK End If RaiseEvent
        ' Calc_Ended(Nothing, New CalcEndEventArgs(CmdTypes.EDIT, Result)) Return Else ' Dialog con
        ' Progress Bar nDoneBar += 1 dProgress = 1 / numBars * nDoneBar Dim sProg As String =
        ' (dProgress * 100).ToString("F1", CultureInfo.InvariantCulture) callback(dProgress, "
        ' Progress: " & sProg & "% Count: " & nDoneBar & " / " & numBars, bCancel) End If If bCancel
        ' Then ' fine callback(1, "", bCancel) ' riabilito interfaccia RaiseEvent
        ' Calc_Ended(Nothing, New CalcEndEventArgs(CmdTypes.CHECKGEN, CalcEndEventArgs.Results.OK))
        ' Return End If nPgsCurrBar = 0 nPgsClock = 0 Else ' se non sono in simulazione If Not
        ' bIsSimulation AndAlso Not bIsEdit Then ' aggiorno conteggio If nPgsClock >= 100 AndAlso
        ' nPgsCurrBar < 149 Then nPgsCurrBar += 1 dProgress = 1 / numBars * nDoneBar + 1 / numBars /
        ' 150 * nPgsCurrBar Dim sProg As String = (dProgress * 100).ToString("F1",
        ' CultureInfo.InvariantCulture) callback(dProgress, " Progress: " & sProg & "% Count: " &
        ' nDoneBar & " / " & numBars, bCancel) nPgsClock = 0 End If End If End If nPgsClock += 1
        ' Thread.Sleep(1) Next

        ' End While

        ' m_bStopProcess = False

        ' Dim num2proc As Integer Dim queueStatus As New Dictionary(Of String, Long) Dim queueList
        ' As New Dictionary(Of String, String) Dim procResults As New List(Of CalcResultDTO) Dim
        ' respPut As String Dim fileName As String Dim fileCont As String

        ' queueStatus = currWDC.queueStatus Dim sb As StringBuilder sb = New StringBuilder
        ' sb.Append(txtOut.Text) sb.AppendLine("----------------------------") For Each item As
        ' KeyValuePair(Of String, Long) In queueStatus sb.AppendLine($"{item.Key} | Found
        ' {item.Value} items") Next sb.AppendLine("----------------------------") sb.AppendLine()
        ' txtOut.Text = sb.ToString()

        ' ' recupero numero da processare num2proc = currWDC.numTask2proc If (num2proc > 0) Then

        ' sb.AppendLine("----------------------------") ' mi prendo la lista dei primi 10 max e
        ' processo... queueList = currWDC.queueList(10) For Each item As KeyValuePair(Of String,
        ' String) In queueList fileCont = "" idxSim = idxSim + 1 If (idxSim > 3) Then idxSim = 0 End
        ' If fileName = Path.Combine("temp", $"Logo{idxSim:00}.svg") If (File.Exists(fileName)) Then
        ' fileCont = File.ReadAllText(fileName) End If

        ' ' mi limito a mostrare codice + contenuto DDF... dovrebbe processare invero...
        ' sb.AppendLine("--------------------------------------------------------")
        ' sb.AppendLine($"DoorId.Vers: {item.Key}") sb.AppendLine("DDF:") sb.AppendLine("--------")
        ' sb.AppendLine(item.Value)
        ' sb.AppendLine("--------------------------------------------------------") sb.AppendLine()

        ' ' scrivo ddf File.WriteAllText(sCurrDdfDir & "\" & nDdfId, item.Value)

        ' ' eseguo calcolo

        ' ' costruisco risposta finta di processing con esito true + SVG Dim currRes As New
        ' CalcResultDTO currRes.Validated = True currRes.DoorIdVers = item.Key currRes.SvgGen =
        ' fileCont procResults.Add(currRes) Next sb.AppendLine("----------------------------") sb.AppendLine()

        ' ' rendo la risposta... respPut = currWDC.SendProcResults(procResults) sb.AppendLine()
        ' sb.AppendLine("----------------------------") sb.AppendLine("Esito invio risposta al
        ' server:") sb.AppendLine() sb.AppendLine(respPut) sb.AppendLine("----------------------------")

        ' txtOut.Text = sb.ToString()

        ' End If

    End Sub

    Private Sub StopProcess_Click(sender As Object, e As EventArgs) Handles StopProcess.Click
        m_bStopProcess = True
        ' fix colori
        StartProcess.BackColor = ButtonBase.DefaultBackColor
        StartProcess.ForeColor = ButtonBase.DefaultForeColor

        While Not m_bExecutionThreadStoped
            Thread.Sleep(10)
        End While
        m_ExecutionThread = Nothing
    End Sub

    Private Sub ThreadFunction()

        Dim sExePath As String = "c:\EgtProg\EgtEngine\EgtEngineR32.exe"
        Dim sCurrDdfDir As String = "c:\EgtData\WebDoor\Ddf"

        While Not m_bStopProcess

            ' se c'e' qualcosa da processare
            If currWDC.numTask2proc > 0 Then

                Dim LastRequest As Dictionary(Of String, String) = currWDC.queueList(1)
                If LastRequest.Count > 0 Then

                    Dim Item As KeyValuePair(Of String, String) = LastRequest.First()
                    Dim bOk As Boolean = Not IsNothing(Item)
                    If bOk Then

                        ' svuoto vecchio set file della porta richiesta
                        Dim fileList As String() = Directory.GetFiles(sCurrDdfDir, Item.Key + ".*")
                        ' elimino vecchi
                        If Not IsNothing(fileList) Then
                            For Each sFile In fileList
                                File.Delete(sFile)
                            Next
                        End If

                        ' scrivo ddf
                        Dim sDdfPath As String = sCurrDdfDir & "\" & Item.Key & ".ddf"
                        Try
                            File.WriteAllText(sDdfPath, Item.Value)
                        Catch ex As Exception
                            bOk = False
                        End Try

                        If bOk Then

                            ' eseguo calcolo
                            Dim Proc As New Process()
                            Proc.StartInfo.FileName = sExePath
                            Proc.StartInfo.Arguments = """C:\EgtData\WebDoor\Main.lua""" & " """ & sDdfPath & """"
                            Proc.StartInfo.UseShellExecute = False

                            If Proc.Start() Then

                                While Not Proc.HasExited
                                    Thread.Sleep(1)
                                End While
                                Dim procResults As New List(Of CalcResultDTO)
                                Dim currRes As New CalcResultDTO
                                Dim fContent As String = ""
                                ' verifico esistenza file svg e lo carico
                                bOk = GetFileContent(Path.ChangeExtension(sDdfPath, "svg"), fContent)
                                ' invio risposta
                                currRes.Validated = Proc.ExitCode = 0 AndAlso bOk
                                currRes.DoorIdVers = Item.Key
                                ' se NON fosse validato --> messo il messaggio...
                                If (currRes.Validated) Then
                                    currRes.SvgGen = fContent
                                Else
                                    bOk = GetFileContent(Path.ChangeExtension(sDdfPath, "txt"), fContent)
                                    currRes.ErrorMsg = fContent
                                End If

                                procResults.Add(currRes)
                                Dim respPut As String = currWDC.SendProcResults(procResults)

                            End If

                        End If
                    End If
                End If
            End If
        End While

    End Sub

#End Region

#Region "Private Structs"

    Private Structure MyProc

#Region "Public Fields"

        Public bEnable As Boolean
        Public nBar As Integer
        Public Proc As Process
        Public Thread As Thread

#End Region

    End Structure

#End Region

End Class