82 lines
3.3 KiB
VB.net
82 lines
3.3 KiB
VB.net
Imports DigitalData.Modules.Logging
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Imports DigitalData.Modules.Logging.LogConfig
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Imports System.ServiceModel
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Imports EDMI_ClientSuite.NetworkService_DDEDM
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Public Class ClassInit
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Private Const OPEN_TIMEOUT_SECONDS = 3
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Private Const MAX_MESSAGE_SIZE = 2147483647
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Private Const MAX_BUFFER_SIZE = 2147483647
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Private Const MAX_ARRAY_LENGTH = 2147483647
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Private Const MAX_STRING_LENGTH = 2147483647
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Private Const MAX_CONNECTIONS = 10000
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Public Enum ConnectionTestResult
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Successful
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NotFound
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Unknown
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End Enum
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Private ReadOnly _Logger As Logger
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Public Sub New()
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_Logger = My.LogConfig.GetLogger()
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End Sub
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Public Function TestConnectionURLExists()
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Return My.Settings.ICMServiceAddress <> String.Empty
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End Function
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Public Async Function TestConnectionAsync(EndpointURL As String) As Task(Of ConnectionTestResult)
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Return Await Task.Factory.StartNew(Function()
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Try
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Dim oChannelFactory = GetChannelFactory(EndpointURL)
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Dim oChannel = oChannelFactory.CreateChannel()
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oChannel.OperationTimeout = New TimeSpan(0, 0, OPEN_TIMEOUT_SECONDS)
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oChannel.Open()
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oChannel.Close()
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Return ConnectionTestResult.Successful
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Catch ex As EndpointNotFoundException
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Return ConnectionTestResult.NotFound
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Catch ex As Exception
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Return ConnectionTestResult.Unknown
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End Try
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End Function)
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End Function
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Public Function GetChannelFactory() As ChannelFactory(Of IEDMServiceChannel)
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Return GetChannelFactory(My.Settings.ICMServiceAddress)
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End Function
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Public Function GetChannelFactory(EndpointURL As String) As ChannelFactory(Of IEDMServiceChannel)
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Dim oBinding = GetBinding()
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Dim oEndpoint = GetEndpoint(EndpointURL)
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Dim oFactory As New ChannelFactory(Of IEDMServiceChannel)(oBinding, oEndpoint)
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Return oFactory
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End Function
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Private Function GetEndpoint(EndpointURL As String) As EndpointAddress
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Dim oEndpoint = New EndpointAddress(EndpointURL)
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Return oEndpoint
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End Function
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Private Function GetBinding() As NetTcpBinding
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Dim oBinding As New NetTcpBinding()
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oBinding.Security.Mode = SecurityMode.Transport
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oBinding.Security.Transport.ClientCredentialType = TcpClientCredentialType.Windows
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oBinding.MaxReceivedMessageSize = MAX_MESSAGE_SIZE
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oBinding.MaxBufferSize = MAX_BUFFER_SIZE
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oBinding.MaxBufferPoolSize = MAX_BUFFER_SIZE
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oBinding.MaxConnections = MAX_CONNECTIONS
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oBinding.ReaderQuotas.MaxArrayLength = MAX_ARRAY_LENGTH
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oBinding.ReaderQuotas.MaxStringContentLength = MAX_STRING_LENGTH
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oBinding.OpenTimeout = New TimeSpan(0, 0, OPEN_TIMEOUT_SECONDS)
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Return oBinding
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End Function
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End Class
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