source code checkin

src/ServerManager.Common/Utils/MachineUtils.cs

@@ -0,0 +1,60 @@
+using NLog;
+using System;
+using System.DirectoryServices.ActiveDirectory;
+using System.Linq;
+using System.Management;
+using System.Runtime.InteropServices;
+
+namespace ServerManagerTool.Common.Utils
+{
+    public static class MachineUtils
+    {
+        private const int OS_ANYSERVER = 29;
+
+        [DllImport("shlwapi.dll", SetLastError = true, EntryPoint = "#437")]
+        private static extern bool IsOS(int os);
+
+        private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
+        public static bool IsWindowsServer()
+        {
+            return IsOS(OS_ANYSERVER);
+        }
+
+        public static bool IsThisMachineADomainController()
+        {
+            try
+            {
+                Domain domain = Domain.GetCurrentDomain();
+                if (domain == null)
+                    return false;
+
+                string thisMachine = $"{Environment.MachineName}.{domain}".ToLower();
+
+                var domainControllers = domain.DomainControllers.OfType<DomainController>();
+                return domainControllers.Any(dc => dc.Name.Equals(thisMachine, StringComparison.OrdinalIgnoreCase));
+            }
+            catch (ActiveDirectoryObjectNotFoundException ex)
+            {
+                _logger.Debug($"{nameof(IsThisMachineADomainController)} checked. {ex.Message}");
+                return false;
+            }
+            catch (ActiveDirectoryOperationException ex)
+            {
+                _logger.Debug($"{nameof(IsThisMachineADomainController)} checked. {ex.Message}");
+                return false;
+            }
+            catch (Exception ex)
+            {
+                _logger.Error($"{nameof(IsThisMachineADomainController)}. {ex.Message}\r\n{ex.StackTrace}");
+                return false;
+            }
+        }
+
+        public static bool IsThisMachinePartOfADomain()
+        {
+            ManagementObject manObject = new ManagementObject(string.Format("Win32_ComputerSystem.Name='{0}'", Environment.MachineName));
+            return (bool)manObject["PartOfDomain"];
+        }
+    }
+}