MS Integration Services und fileOps
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119
EDMI_FILE_OPs/FileOp.vb
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119
EDMI_FILE_OPs/FileOp.vb
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Imports DigitalData.Modules.Logging
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Imports System.ServiceModel
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Imports System.IO
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Public Class FileOp
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Private _logger As DigitalData.Modules.Logging.Logger
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Private _logConfig As LogConfig
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Private _channelFactory As ChannelFactory(Of EDMIServiceReference.IEDMServiceChannel)
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Private _channel As EDMIServiceReference.IEDMServiceChannel
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Public Sub New(LogConfig As LogConfig, EDMI_ServiceAdress As String)
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_logger = LogConfig.GetLogger()
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_logConfig = LogConfig
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Try
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Dim binding As New NetTcpBinding()
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binding.Security.Mode = SecurityMode.Transport
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binding.Security.Transport.ClientCredentialType = TcpClientCredentialType.Windows
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binding.MaxReceivedMessageSize = 2147483647
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binding.MaxBufferSize = 2147483647
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binding.MaxBufferPoolSize = 2147483647
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binding.MaxConnections = 10000
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binding.ReaderQuotas.MaxArrayLength = 2147483647
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binding.ReaderQuotas.MaxStringContentLength = 2147483647
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Dim endpointAddress = New EndpointAddress(EDMI_ServiceAdress)
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_channelFactory = New ChannelFactory(Of EDMIServiceReference.IEDMServiceChannel)(binding, endpointAddress)
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Catch ex As Exception
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_logger.Error(ex)
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End Try
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End Sub
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Private Function Connect2NetService()
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Try
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_channel = Nothing
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_channel = _channelFactory.CreateChannel()
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_logger.Info("Successfully connected to EDM_Network Service")
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AddHandler _channel.Faulted, AddressOf Reconnect
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_channel.Open()
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Return True
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Catch ex As Exception
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_logger.Error(ex)
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Return True
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End Try
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End Function
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Private Sub Reconnect()
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_channel.Abort()
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Connect2NetService()
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End Sub
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Public Async Function New_EDMI_File(oFILENAME As String, oUserName As String) As Task(Of String)
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Try
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Dim oFileGUID = Await New_EDMIFile_CreateContainer(oFILENAME)
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Dim oFileRecordID = Nothing
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If Not IsNothing(oFileGUID) Then
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Dim oSQL = $"Select Case FNEDMI_SET_RECORD('TBEDMI_ADRESSE','{oUserName}',FALSE,NULL,'','{oFileGUID}') From rdb$database;"
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oFileRecordID = New_EDMIFile_CreateDB_Record(oSQL)
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End If
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Return oFileRecordID
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Catch ex As Exception
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_logger.Error(ex)
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Return Nothing
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End Try
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End Function
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Private Async Function New_EDMIFile_CreateContainer(oFILENAME As String) As Task(Of String)
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Try
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Dim sw As New Stopwatch()
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sw.Start()
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Dim oFileContents = File.ReadAllBytes(oFILENAME)
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Dim oExtension As String = New FileInfo(oFILENAME).Extension.Substring(1)
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Dim oFileGUID = Await _channel.CreateFileAsync(oFileContents, oExtension)
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sw.Stop()
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_logger.Info($"File successfully transferred - stopwatch: {sw.Elapsed.ToString}")
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Return oFileGUID
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Catch ex As Exception
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_logger.Error(ex)
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Return Nothing
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End Try
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End Function
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Private Async Function New_EDMIFile_CreateDB_Record(FBCommand As String) As Task(Of String)
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Try
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Dim oTimeTotal As TimeSpan
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Dim oStopwatch As New Stopwatch()
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oStopwatch.Start()
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Dim oRecord_ID As String
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Dim oRequestName = Await _channel.CreateDatabaseRequestAsync("CreateEDMFileRecord", True)
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Dim oResult = Await _channel.ReturnScalarAsync(FBCommand)
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oTimeTotal = oStopwatch.Elapsed
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oStopwatch.Reset()
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Await _channel.CloseDatabaseRequestAsync()
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If Not oResult.OK Then
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_logger.Warn($"Unexpected error while executing command: {oResult.ErrorMessage}")
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Else
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oRecord_ID = oResult.Scalar
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_logger.Debug($"SCALAR (SERVICE) {FBCommand} - TIME: {(oTimeTotal.ToString)}")
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End If
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Return oRecord_ID
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Catch ex As Exception
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_logger.Error(ex)
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Return Nothing
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End Try
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End Function
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Public Async Function Load_EDMIFile_2TempPath(oEDMIFile_GUID As String) As Task(Of String)
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Try
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Dim oResult As EDMIServiceReference.ContainerResult = Await _channel.GetFileAsync(oEDMIFile_GUID)
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Dim oTempPath = Path.Combine(Path.GetTempPath(), "EDMI_FileContainer")
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Directory.CreateDirectory(oTempPath)
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Dim oFilePath = Path.Combine(oTempPath, $"{oResult.Container.FileId}.{oResult.Container.Extension}")
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File.WriteAllBytes(oFilePath, oResult.Container.Contents)
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' Process.Start(oTempPath)
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Return oTempPath
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Catch ex As Exception
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_logger.Error(ex)
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Return Nothing
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End Try
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End Function
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End Class
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