Imports System.Net
Imports System.Threading
Imports BLV_Studio.FrmCSeriesConfig

Public Class PollingHostThread


    Private g_Grid As FlexCell.Grid
    Private g_PollingThread As Thread
    Private g_PollingState As Integer
    Private IsThreadRunning As Boolean
    Private DicOnlineIP As Dictionary(Of String, Date)
    Private g_fcsconfig As FrmCSeriesConfig
    Private g_listobj As List(Of Object)
    Sub New(fcsconfig As FrmCSeriesConfig, Grid As FlexCell.Grid)
        g_listobj = New List(Of Object)
        g_PollingState = 9
        g_Grid = Grid
        g_fcsconfig = fcsconfig
        DicOnlineIP = New Dictionary(Of String, Date)
        IsThreadRunning = True
        g_PollingThread = New Thread(AddressOf StartPolling)
        g_PollingThread.Start()
    End Sub
    Private Sub StartPolling()
        While (IsThreadRunning)
            Select Case g_PollingState
                Case 0
                    Try
                        g_PollingState0()
                    Catch ex As Exception
                        g_PollingState = 9
                    End Try

                    'g_PollingState = 1
                Case 1
                    System.Threading.Thread.Sleep(2000)
                    'g_PollingState = 1
                Case 2
                    System.Threading.Thread.Sleep(3000)
                    g_PollingState2()
                    g_PollingState = 3
                Case 3
                    g_PollingState = 4
                Case 4
                    g_PollingState = 5
                Case 5
                    g_PollingState = 6
                Case 6
                    g_PollingState = 7
                Case 7
                    g_PollingState = 8
                Case 8
                    g_PollingState = 9

                Case 9
                    'Console.WriteLine("StartPolling")
                    System.Threading.Thread.Sleep(1000)
                    ' g_PollingState = 0
            End Select
        End While
    End Sub

    Private Sub g_PollingState0()
        DicOnlineIP.Clear()



        If IsNothing(g_Grid) OrElse g_Grid.Rows = 0 Then Return

        For i = 1 To g_Grid.Rows - 1
            If g_PollingState <> 0 Then Return
            Dim ipAddr As String = g_Grid.Cell(i, EnRCUHosts.IPAddress).Text
            'Dim port As String = g_Grid.Cell(i, EnRCUHosts.Port).Text
            _RemoteIP = IPAddress.Parse(g_Grid.Cell(i, EnRCUHosts.IPAddress).Text)
            _RemotePort = g_Grid.Cell(i, EnRCUHosts.Port).Text
            TimeSynchronization()
            DicOnlineIP.Add(ipAddr, Now)
            Setg_GridTextStyleMethod(i, "检测是否在线中", Color.Blue)
            System.Threading.Thread.Sleep(1000)
            If DicOnlineIP.ContainsKey(ipAddr) Then
                Setg_GridTextStyleMethod(i, "离线", Color.Red)
            End If

        Next


    End Sub


    Private Sub g_PollingState2()
        DicOnlineIP.Clear()

        If IsNothing(g_Grid) OrElse g_Grid.Rows = 0 Then Return
        Dim li = GetLocalIp()

        If li.Count > 1 Then Return
        g_fcsconfig._searchHosts = True
        'Dim oldtime = Now
        Dim loadaddr = li(0).ToString.Split(".")
        Dim ipAddr As String = $"{loadaddr(0)}.{loadaddr(1)}." '$"{loadaddr(0)}.{loadaddr(1)}.{loadaddr(2)}."
        For r = CInt(g_listobj(0)) To CInt(g_listobj(1))
            Dim lipAddr = $"{ipAddr}{r.ToString}."
            For i = CInt(g_listobj(2)) To CInt(g_listobj(3))
                If g_PollingState <> 2 Then Return
                Dim ipAddrv As String = $"{lipAddr}{i.ToString}"
                'Dim port As String = g_Grid.Cell(i, EnRCUHosts.Port).Text
                _RemoteIP = IPAddress.Parse(ipAddrv)
                _RemotePort = 3341 ' GetRandomPort()
                TimeSynchronization()
                ' DicOnlineIP.Add(ipAddr, Now)
                'Setg_GridTextStyleMethod(i, "检测是否在线中", Color.Blue)
                System.Threading.Thread.Sleep(20)
                'If DicOnlineIP.ContainsKey(ipAddr) Then
                '    Setg_GridTextStyleMethod(i, "离线", Color.Red)
                'End If

            Next

        Next
        'Dim ktimg = Now - oldtime
        'Console.WriteLine($"耗时{ktimg.TotalMilliseconds}毫秒")
        ToolStripButton6PerformClickMethod()
    End Sub

    Delegate Sub ToolStripButton6PerformClick()
    Public Sub ToolStripButton6PerformClickMethod()
        If g_fcsconfig.InvokeRequired = True Then

            g_fcsconfig.Invoke(New ToolStripButton6PerformClick(AddressOf ToolStripButton6PerformClickMethod))
        Else
            g_fcsconfig.ToolStripButton6_Click(Nothing, Nothing)
        End If

    End Sub

    Private Sub TimeSynchronization()


        Dim cmd As Byte = &HB1
        Dim data As Byte() = g_fcsconfig.FillReadCmdData()
        Dim sendData As Byte() = g_fcsconfig.FillSendData(cmd, data)
        Try
            g_fcsconfig.SendUDPData1(sendData)
        Catch ex As Exception
            Return
        End Try

    End Sub

    Public Sub SetRemoteIP(ip As String)
        If IsNothing(DicOnlineIP) OrElse DicOnlineIP.Count = 0 OrElse IsNothing(g_Grid) OrElse g_Grid.Rows = 0 Then Return
        If DicOnlineIP.ContainsKey(ip.ToString) Then
            DicOnlineIP.Remove(ip.ToString)
            For i = 1 To g_Grid.Rows - 1
                If g_Grid.Cell(i, EnRCUHosts.IPAddress).Text = ip.ToString Then
                    Setg_GridTextStyleMethod(i, "在线"， Color.Green)
                    Return
                End If
            Next
        End If
    End Sub
    Delegate Sub Setg_GridTextStyle(row As Integer, txt As String， txtcolor As Color)
    Public Sub Setg_GridTextStyleMethod(row As Integer， txt As String， txtcolor As Color)
        Try
            If g_Grid.InvokeRequired = True Then
                Dim dev As New Setg_GridTextStyle(AddressOf Setg_GridTextStyleMethod)
                g_Grid.Invoke(dev, row, txt, txtcolor)
            Else
                g_Grid.Cell(row, EnRCUHosts.Update).Text = txt
                g_Grid.Cell(row, EnRCUHosts.Update).ForeColor = txtcolor
            End If
        Catch ex As Exception
            Return
        End Try

    End Sub

    Public Sub StopPolling()
        IsThreadRunning = False
    End Sub
    Public Sub PollingThreadClosed()
        If IsNothing(g_PollingThread) Then Return
        g_PollingThread.Abort()
    End Sub

    Public Sub SetPollingState(state As Integer)
        g_PollingState = state
    End Sub
    Public Sub Setg_listobjPar(ParamArray listobj() As Object)
        g_listobj.Clear()
        g_listobj.AddRange(listobj)
    End Sub

End Class