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Pilz/Pilz/Runtime/RuntimeInformationsEx.vb

61 lines
2.1 KiB
VB.net

Imports System.IO
Imports System.Runtime.InteropServices
Namespace Runtime
Public Module RuntimeInformationsEx
Public ReadOnly Property OSType As OSType
Get
Static t As OSType? = Nothing
If t Is Nothing Then
Select Case True
Case RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
t = OSType.Windows
Case RuntimeInformation.IsOSPlatform(OSPlatform.Linux)
t = OSType.Linux
Case RuntimeInformation.IsOSPlatform(OSPlatform.OSX)
t = OSType.OSX
Case Else
t = OSType.Unknown
End Select
End If
Return t
End Get
End Property
Public ReadOnly Property RealOSType As OSType
Get
Static t As OSType? = Nothing
If t Is Nothing Then
Dim windir As String = Environment.GetEnvironmentVariable("windir")
If Not String.IsNullOrEmpty(windir) AndAlso windir.Contains("\") AndAlso Directory.Exists(windir) Then
t = OSType.Windows
ElseIf File.Exists("/proc/sys/kernel/ostype") Then
Dim osTypeString As String = File.ReadAllText("/proc/sys/kernel/ostype")
If osTypeString.StartsWith("Linux", StringComparison.OrdinalIgnoreCase) Then
' Note: Android gets here too
t = OSType.Linux
Else
t = OSType.Unknown
End If
ElseIf File.Exists("/System/Library/CoreServices/SystemVersion.plist") Then
' Note: iOS gets here too
t = OSType.OSX
Else
t = OSType.Unknown
End If
End If
Return t
End Get
End Property
End Module
End Namespace