public IRegistryKey CreateKey(string keyPath, RegistryKeyPermissionCheck permissionCheck = default)
{
IRegistryKey cleanUpKey = null;
if (!keyPath.Contains(RegistryPathDelimiter))
{
throw new ArgumentException("Can not create a root key itself", nameof(keyPath));
}
try
{
IRegistryKey root = GetCorrespondingRoot(keyPath);
string openKeyName = keyPath.MustEndWith(RegistryPathDelimiter).Remove(root.Name.MustEndWith(RegistryPathDelimiter));
cleanUpKey = root;
if (openKeyName.IsNullOrWhitespace())
{
throw new ArgumentException("Can not create a root key itself", nameof(keyPath));
}
IRegistryKey key = root.CreateSubKey(openKeyName, permissionCheck);
return(key);
}
finally
{
cleanUpKey?.Dispose();
}
}
public IRegistryKey OpenKey(string keyPath, RegistryKeyPermissionCheck permissionCheck = default, RegistryRights rights = default)
{
IRegistryKey cleanUpKey = null;
try
{
IRegistryKey root = GetCorrespondingRoot(keyPath);
string openKeyName = keyPath.MustEndWith(RegistryPathDelimiter).Remove(root.Name.MustEndWith(RegistryPathDelimiter));
if (openKeyName.IsNullOrWhitespace())
{
return(root);
}
cleanUpKey = root;
IRegistryKey key = root.OpenSubKey(openKeyName, permissionCheck, rights);
return(key);
}
finally
{
cleanUpKey?.Dispose();
}
}
/// <summary>
/// Tries to obtaining the path to the latest version of the SQL LocalDB
/// native API DLL for the currently executing process.
/// </summary>
/// <param name="fileName">
/// When the method returns, contains the path to the SQL Local DB API
/// to use, if found; otherwise <see langword="null"/>.
/// </param>
/// <returns>
/// <see langword="true"/> if the native API path was successfully found;
/// otherwise <see langword="false"/>.
/// </returns>
internal bool TryGetLocalDbApiPath(out string fileName)
{
fileName = null;
string keyName = DeriveLocalDbRegistryKey();
IRegistryKey key = Registry.OpenSubKey(keyName);
if (key == null)
{
Logger.RegistryKeyNotFound(keyName);
return(false);
}
Version latestVersion = null;
Version overrideVersion = null;
string path = null;
try
{
// Is there a setting overriding the version to load?
string overrideVersionString = ApiVersion;
foreach (string versionString in key.GetSubKeyNames())
{
if (!Version.TryParse(versionString, out Version version))
{
Logger.InvalidRegistryKey(versionString);
continue;
}
if (!string.IsNullOrEmpty(overrideVersionString) &&
overrideVersion == null &&
string.Equals(versionString, overrideVersionString, StringComparison.OrdinalIgnoreCase))
{
Logger.NativeApiVersionOverriddenByUser(version);
overrideVersion = version;
}
if (latestVersion == null ||
latestVersion < version)
{
latestVersion = version;
}
}
if (!string.IsNullOrEmpty(overrideVersionString) && overrideVersion == null)
{
Logger.NativeApiVersionOverrideNotFound(overrideVersionString);
}
Version versionToUse = overrideVersion ?? latestVersion;
if (versionToUse != null)
{
using (IRegistryKey subkey = key.OpenSubKey(versionToUse.ToString()))
{
path = subkey.GetValue("InstanceAPIPath");
}
NativeApiVersion = versionToUse;
}
}
finally
{
key.Dispose();
}
if (string.IsNullOrEmpty(path))
{
Logger.NativeApiNotFound();
return(false);
}
if (!File.Exists(path))
{
Logger.NativeApiLibraryNotFound(path);
return(false);
}
fileName = Path.GetFullPath(path);
return(true);
}
/// <summary>
/// Tries to obtaining the path to the latest version of the SQL LocalDB
/// native API DLL for the currently executing process.
/// </summary>
/// <param name="fileName">
/// When the method returns, contains the path to the SQL Local DB API
/// to use, if found; otherwise <see langword="null"/>.
/// </param>
/// <returns>
/// <see langword="true"/> if the native API path was successfully found;
/// otherwise <see langword="false"/>.
/// </returns>
internal static bool TryGetLocalDbApiPath(out string fileName)
{
fileName = null;
bool isWow64Process = Environment.Is64BitOperatingSystem && !Environment.Is64BitProcess;
// Open the appropriate Registry key if running as a 32-bit process on a 64-bit machine
string keyName = string.Format(
CultureInfo.InvariantCulture,
@"SOFTWARE\{0}Microsoft\Microsoft SQL Server Local DB\Installed Versions",
isWow64Process ? @"Wow6432Node\" : string.Empty);
IRegistryKey key = Registry.OpenSubKey(keyName);
if (key == null)
{
Logger.Warning(Logger.TraceEvent.RegistryKeyNotFound, SR.NativeMethods_RegistryKeyNotFoundFormat, keyName);
return(false);
}
Version latestVersion = null;
Version overrideVersion = null;
string path = null;
try
{
// Is there a setting overriding the version to load?
string overrideVersionString = SqlLocalDbConfig.NativeApiOverrideVersionString;
foreach (string versionString in key.GetSubKeyNames())
{
Version version;
try
{
version = new Version(versionString);
}
catch (ArgumentException)
{
Logger.Warning(Logger.TraceEvent.InvalidRegistryKey, SR.NativeMethods_InvalidRegistryKeyNameFormat, versionString);
continue;
}
catch (FormatException)
{
Logger.Warning(Logger.TraceEvent.InvalidRegistryKey, SR.NativeMethods_InvalidRegistryKeyNameFormat, versionString);
continue;
}
catch (OverflowException)
{
Logger.Warning(Logger.TraceEvent.InvalidRegistryKey, SR.NativeMethods_InvalidRegistryKeyNameFormat, versionString);
continue;
}
if (!string.IsNullOrEmpty(overrideVersionString) &&
overrideVersion == null &&
string.Equals(versionString, overrideVersionString, StringComparison.OrdinalIgnoreCase))
{
Logger.Verbose(Logger.TraceEvent.NativeApiVersionOverriddenByUser, SR.NativeMethods_ApiVersionOverriddenByUserFormat, version);
overrideVersion = version;
}
if (latestVersion == null ||
latestVersion < version)
{
latestVersion = version;
}
}
if (!string.IsNullOrEmpty(overrideVersionString) && overrideVersion == null)
{
Logger.Warning(
Logger.TraceEvent.NativeApiVersionOverrideNotFound,
SR.NativeMethods_OverrideVersionNotFoundFormat,
overrideVersionString,
Environment.MachineName,
latestVersion);
}
Version versionToUse = overrideVersion ?? latestVersion;
if (versionToUse != null)
{
using (var subkey = key.OpenSubKey(versionToUse.ToString()))
{
path = subkey.GetValue("InstanceAPIPath");
}
NativeApiVersion = versionToUse;
}
}
finally
{
key.Dispose();
}
if (string.IsNullOrEmpty(path))
{
Logger.Warning(Logger.TraceEvent.NoNativeApiFound, SR.NativeMethods_NoNativeApiFound);
return(false);
}
if (!File.Exists(path))
{
Logger.Error(Logger.TraceEvent.NativeApiPathNotFound, SR.NativeMethods_NativeApiNotFoundFormat, path);
return(false);
}
fileName = Path.GetFullPath(path);
return(true);
}
