versioninfo.cs source code in C# .NET

                        
Code:
                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / Util / versioninfo.cs / 1 / versioninfo.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * Support for getting file versions 
 *
 * Copyright (c) 1999 Microsoft Corporation 
 */

namespace System.Web.Util {
    using System.Diagnostics; 
    using System.Globalization;
    using System.Text; 
    using System.Runtime.Serialization.Formatters; 
    using System.Configuration.Assemblies;
 
    //
    // Support for getting file version of relevant files
    //
 
    internal class VersionInfo {
        static private string _systemWebVersion; 
        static private string _engineVersion; 
        static private string _mscoreeVersion;
        static private string _exeName; 
        static private object _lock = new object();

        private VersionInfo() {
        } 

        internal static string GetFileVersion(String filename) { 
#if !FEATURE_PAL // FEATURE_PAL does not fully support FileVersionInfo 
            try {
                FileVersionInfo ver = FileVersionInfo.GetVersionInfo(filename); 
                return string.Format(CultureInfo.InvariantCulture, "{0}.{1}.{2}.{3}",
                    ver.FileMajorPart, ver.FileMinorPart, ver.FileBuildPart, ver.FilePrivatePart);
            }
            catch { 
                return String.Empty;
            } 
#else // !FEATURE_PAL 
            // ROTORTODO
            return String.Empty; 
#endif // !FEATURE_PAL

        }
 
        internal static string GetLoadedModuleFileName(string module) {
#if !FEATURE_PAL // FEATURE_PAL does not fully support FileVersionInfo 
            IntPtr h = UnsafeNativeMethods.GetModuleHandle(module); 
            if (h == IntPtr.Zero)
                return null; 

            StringBuilder buf = new StringBuilder(256);
            if (UnsafeNativeMethods.GetModuleFileName(h, buf, 256) == 0)
                return null; 

            String fileName = buf.ToString(); 
            if (StringUtil.StringStartsWith(fileName, "\\\\?\\")) // on Whistler GetModuleFileName migth return this 
                fileName = fileName.Substring(4);
            return fileName; 
#else // !FEATURE_PAL
            // ROTORTODO
            return String.Empty;
#endif // !FEATURE_PAL 
        }
 
        internal static string GetLoadedModuleVersion(string module) { 
            String filename = GetLoadedModuleFileName(module);
            if (filename == null) 
                return null;
            return GetFileVersion(filename);
        }
 
        internal static string SystemWebVersion {
            get { 
                if (_systemWebVersion == null) { 
                    lock(_lock) {
                        if (_systemWebVersion == null) 
                            _systemWebVersion = GetFileVersion(typeof(HttpRuntime).Module.FullyQualifiedName);
                    }
                }
 
                return _systemWebVersion;
            } 
        } 

        internal static string EngineVersion { 
#if !FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features
            get {
                if (_engineVersion == null) {
                    lock(_lock) { 
                        if (_engineVersion == null)
                            _engineVersion = GetLoadedModuleVersion(ModName.ENGINE_FULL_NAME); 
                    } 
                }
 
                return _engineVersion;
#else // !FEATURE_PAL
            // ROTORTODO
            return "1.2.0.0"; 
#endif // !FEATURE_PAL
            } 
        } 

        internal static string ClrVersion { 
            get {
                if (_mscoreeVersion == null) {
                    lock(_lock) {
                        if (_mscoreeVersion == null) 
                            _mscoreeVersion = GetLoadedModuleVersion("MSCORWKS.DLL");
                    } 
                } 

                return _mscoreeVersion; 
            }
        }

        internal static string ExeName { 
            get {
                if (_exeName == null) { 
                    lock(_lock) { 
                        if (_exeName == null) {
                            String s = GetLoadedModuleFileName(null); 
                            if (s == null)
                                s = String.Empty;

                            // strip path 
                            int i = s.LastIndexOf('\\');
                            if (i >= 0) 
                                s = s.Substring(i+1); 

                            // strip extension 
                            i = s.LastIndexOf('.');
                            if (i >= 0)
                                s = s.Substring(0, i);
 
                            _exeName = s.ToLower(CultureInfo.InvariantCulture);
                        } 
                    } 
                }
 
                return _exeName;
            }
        }
    } 

    // 
    // Support for getting OS Flavor 
    //
 
    internal enum OsFlavor {
        Undetermined,
        Other,
        WebBlade, 
        StdServer,
        AdvServer, 
        DataCenter, 
    }
 
#if UNUSED
    internal class OsVersionInfo {
        private const UInt32 VER_NT_WORKSTATION         = 0x0000001;
        private const UInt32 VER_NT_DOMAIN_CONTROLLER   = 0x0000002; 
        private const UInt32 VER_NT_SERVER              = 0x0000003;
        private const UInt32 VER_SUITE_ENTERPRISE       = 0x00000002; 
        private const UInt32 VER_SUITE_DATACENTER       = 0x00000080; 
        private const UInt32 VER_SUITE_PERSONAL         = 0x00000200;
        private const UInt32 VER_SUITE_BLADE            = 0x00000400; 

        internal static OsFlavor s_osFlavor = OsFlavor.Undetermined;

        private OsVersionInfo() { 
        }
 
        internal static OsFlavor CurrentOsFlavor { 
            get {
                if (s_osFlavor == OsFlavor.Undetermined) { 
#if !FEATURE_PAL // FEATURE_PAL has no defined OS Flavor
                    UnsafeNativeMethods.OSVERSIONINFOEX x = new UnsafeNativeMethods.OSVERSIONINFOEX();
                    if (UnsafeNativeMethods.GetVersionEx(x)) {
                        UInt32 product = (UInt32)x.wProductType; 
                        UInt32 suite = (UInt32)x.wSuiteMask;
 
                        if (product == VER_NT_SERVER || product == VER_NT_DOMAIN_CONTROLLER) { 
                            if ((suite&VER_SUITE_BLADE) != 0)
                                s_osFlavor = OsFlavor.WebBlade; 
                            else if ((suite&VER_SUITE_ENTERPRISE) != 0)
                                s_osFlavor = OsFlavor.AdvServer;
                            else if ((suite&VER_SUITE_DATACENTER) != 0)
                                s_osFlavor = OsFlavor.DataCenter; 
                            else
                                s_osFlavor = OsFlavor.StdServer; 
                        } 
                        else {
                           s_osFlavor = OsFlavor.Other; 
                        }
                    }
#else // !FEATURE_PAL
                    // ROTORTODO 
                    s_osFlavor = OsFlavor.Other;
#endif // !FEATURE_PAL 
                } 

                return s_osFlavor; 
            }
        }

    } 
#endif
 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * Support for getting file versions 
 *
 * Copyright (c) 1999 Microsoft Corporation 
 */

namespace System.Web.Util {
    using System.Diagnostics; 
    using System.Globalization;
    using System.Text; 
    using System.Runtime.Serialization.Formatters; 
    using System.Configuration.Assemblies;
 
    //
    // Support for getting file version of relevant files
    //
 
    internal class VersionInfo {
        static private string _systemWebVersion; 
        static private string _engineVersion; 
        static private string _mscoreeVersion;
        static private string _exeName; 
        static private object _lock = new object();

        private VersionInfo() {
        } 

        internal static string GetFileVersion(String filename) { 
#if !FEATURE_PAL // FEATURE_PAL does not fully support FileVersionInfo 
            try {
                FileVersionInfo ver = FileVersionInfo.GetVersionInfo(filename); 
                return string.Format(CultureInfo.InvariantCulture, "{0}.{1}.{2}.{3}",
                    ver.FileMajorPart, ver.FileMinorPart, ver.FileBuildPart, ver.FilePrivatePart);
            }
            catch { 
                return String.Empty;
            } 
#else // !FEATURE_PAL 
            // ROTORTODO
            return String.Empty; 
#endif // !FEATURE_PAL

        }
 
        internal static string GetLoadedModuleFileName(string module) {
#if !FEATURE_PAL // FEATURE_PAL does not fully support FileVersionInfo 
            IntPtr h = UnsafeNativeMethods.GetModuleHandle(module); 
            if (h == IntPtr.Zero)
                return null; 

            StringBuilder buf = new StringBuilder(256);
            if (UnsafeNativeMethods.GetModuleFileName(h, buf, 256) == 0)
                return null; 

            String fileName = buf.ToString(); 
            if (StringUtil.StringStartsWith(fileName, "\\\\?\\")) // on Whistler GetModuleFileName migth return this 
                fileName = fileName.Substring(4);
            return fileName; 
#else // !FEATURE_PAL
            // ROTORTODO
            return String.Empty;
#endif // !FEATURE_PAL 
        }
 
        internal static string GetLoadedModuleVersion(string module) { 
            String filename = GetLoadedModuleFileName(module);
            if (filename == null) 
                return null;
            return GetFileVersion(filename);
        }
 
        internal static string SystemWebVersion {
            get { 
                if (_systemWebVersion == null) { 
                    lock(_lock) {
                        if (_systemWebVersion == null) 
                            _systemWebVersion = GetFileVersion(typeof(HttpRuntime).Module.FullyQualifiedName);
                    }
                }
 
                return _systemWebVersion;
            } 
        } 

        internal static string EngineVersion { 
#if !FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features
            get {
                if (_engineVersion == null) {
                    lock(_lock) { 
                        if (_engineVersion == null)
                            _engineVersion = GetLoadedModuleVersion(ModName.ENGINE_FULL_NAME); 
                    } 
                }
 
                return _engineVersion;
#else // !FEATURE_PAL
            // ROTORTODO
            return "1.2.0.0"; 
#endif // !FEATURE_PAL
            } 
        } 

        internal static string ClrVersion { 
            get {
                if (_mscoreeVersion == null) {
                    lock(_lock) {
                        if (_mscoreeVersion == null) 
                            _mscoreeVersion = GetLoadedModuleVersion("MSCORWKS.DLL");
                    } 
                } 

                return _mscoreeVersion; 
            }
        }

        internal static string ExeName { 
            get {
                if (_exeName == null) { 
                    lock(_lock) { 
                        if (_exeName == null) {
                            String s = GetLoadedModuleFileName(null); 
                            if (s == null)
                                s = String.Empty;

                            // strip path 
                            int i = s.LastIndexOf('\\');
                            if (i >= 0) 
                                s = s.Substring(i+1); 

                            // strip extension 
                            i = s.LastIndexOf('.');
                            if (i >= 0)
                                s = s.Substring(0, i);
 
                            _exeName = s.ToLower(CultureInfo.InvariantCulture);
                        } 
                    } 
                }
 
                return _exeName;
            }
        }
    } 

    // 
    // Support for getting OS Flavor 
    //
 
    internal enum OsFlavor {
        Undetermined,
        Other,
        WebBlade, 
        StdServer,
        AdvServer, 
        DataCenter, 
    }
 
#if UNUSED
    internal class OsVersionInfo {
        private const UInt32 VER_NT_WORKSTATION         = 0x0000001;
        private const UInt32 VER_NT_DOMAIN_CONTROLLER   = 0x0000002; 
        private const UInt32 VER_NT_SERVER              = 0x0000003;
        private const UInt32 VER_SUITE_ENTERPRISE       = 0x00000002; 
        private const UInt32 VER_SUITE_DATACENTER       = 0x00000080; 
        private const UInt32 VER_SUITE_PERSONAL         = 0x00000200;
        private const UInt32 VER_SUITE_BLADE            = 0x00000400; 

        internal static OsFlavor s_osFlavor = OsFlavor.Undetermined;

        private OsVersionInfo() { 
        }
 
        internal static OsFlavor CurrentOsFlavor { 
            get {
                if (s_osFlavor == OsFlavor.Undetermined) { 
#if !FEATURE_PAL // FEATURE_PAL has no defined OS Flavor
                    UnsafeNativeMethods.OSVERSIONINFOEX x = new UnsafeNativeMethods.OSVERSIONINFOEX();
                    if (UnsafeNativeMethods.GetVersionEx(x)) {
                        UInt32 product = (UInt32)x.wProductType; 
                        UInt32 suite = (UInt32)x.wSuiteMask;
 
                        if (product == VER_NT_SERVER || product == VER_NT_DOMAIN_CONTROLLER) { 
                            if ((suite&VER_SUITE_BLADE) != 0)
                                s_osFlavor = OsFlavor.WebBlade; 
                            else if ((suite&VER_SUITE_ENTERPRISE) != 0)
                                s_osFlavor = OsFlavor.AdvServer;
                            else if ((suite&VER_SUITE_DATACENTER) != 0)
                                s_osFlavor = OsFlavor.DataCenter; 
                            else
                                s_osFlavor = OsFlavor.StdServer; 
                        } 
                        else {
                           s_osFlavor = OsFlavor.Other; 
                        }
                    }
#else // !FEATURE_PAL
                    // ROTORTODO 
                    s_osFlavor = OsFlavor.Other;
#endif // !FEATURE_PAL 
                } 

                return s_osFlavor; 
            }
        }

    } 
#endif
 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

                        

                        

                        
                        

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