public static void RetrieveMachineSqlInstance(ref IList <SqlInstance> xioResult)
{
try
{
Logger.Instance.LogTrace(@"Smo: Looking for machine specific instances...");
RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Microsoft SQL Server");
string [] instances = (string[])rk.GetValue("InstalledInstances");
foreach (string instance in instances)
{
SqlInstance sqlInstanceInfo = new SqlInstance();
if (instance.CompareTo("MSSQLSERVER") == 0 || instance.StartsWith("MSSQL$"))
{
sqlInstanceInfo.Name = Environment.MachineName;
}
else
{
sqlInstanceInfo.Name = Environment.MachineName + Path.DirectorySeparatorChar + instance;
}
sqlInstanceInfo.Instance = sqlInstanceInfo.Name;
sqlInstanceInfo.IsClustered = false;
sqlInstanceInfo.IsLocal = true;
sqlInstanceInfo.IsDefault = true;
sqlInstanceInfo.Server = Environment.MachineName;
sqlInstanceInfo.Version = string.Empty;
try
{
RegistryKey instanceRk = rk.OpenSubKey(instance + @"\MSSQLServer\CurrentVersion");
if (instanceRk != null)
{
sqlInstanceInfo.Version = (string)instanceRk.GetValue(@"CurrentVersion");
}
}
catch
{
}
Logger.Instance.LogTrace("Smo: {0}.", sqlInstanceInfo.ToString());
xioResult.Add(sqlInstanceInfo);
}
Logger.Instance.LogTrace(@"Smo: Finished enumeration of machine specific instances.");
}
catch (Exception ex)
{
Logger.Instance.LogException(ex);
}
}
public Smo()
{
AttachedDatabaseName = string.Empty;
RemoteFolder = string.Empty;
IsCurrentInstanceReachable = true;
IsMountPointAlive = true;
DisposedSyncRoot = new object();
CurrentInstance = new SqlInstance();
m_Timer = new System.Timers.Timer(TimeSpan.FromSeconds(kPingDelay).TotalMilliseconds);
m_Timer.Elapsed += (object xiSender, ElapsedEventArgs xiEventArgs) =>
{
if (!m_TimerCallbackInProgress)
{
m_TimerCallbackInProgress = true;
try
{
PingRemoteFolder();
PingDatabase();
}
catch (Exception ex)
{
Logger.Instance.LogException(ex, "Smo: Ping failed in timer callback.");
}
finally
{
m_TimerCallbackInProgress = false;
}
}
};
m_Timer.Enabled = false;
}
private static void PopulateSqlInstancesResults(DataTable xiSqlServers, ref IList <SqlInstance> xioResult)
{
foreach (DataRow dataRow in xiSqlServers.Rows)
{
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Starting retriving fields...");
#endif
SqlInstance sqlInstanceInfo = new SqlInstance();
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieving Name...");
#endif
if (dataRow.Table.Columns.Contains("Name") && !Convert.IsDBNull(dataRow["Name"]))
{
sqlInstanceInfo.Name = (string)dataRow["Name"];
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved Name.");
#endif
}
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieving Server...");
#endif
if (dataRow.Table.Columns.Contains("Server") && !Convert.IsDBNull(dataRow["Server"]))
{
sqlInstanceInfo.Server = (string)dataRow["Server"];
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved Server.");
#endif
}
if (dataRow.Table.Columns.Contains("ServerName") && !Convert.IsDBNull(dataRow["ServerName"]))
{
sqlInstanceInfo.Server = (string)dataRow["ServerName"];
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved Server.");
#endif
}
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieving Instance...");
#endif
if (dataRow.Table.Columns.Contains("Instance") && !Convert.IsDBNull(dataRow["Instance"]))
{
sqlInstanceInfo.Instance = (string)dataRow["Instance"];
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved Instance.");
#endif
}
if (dataRow.Table.Columns.Contains("InstanceName") && !Convert.IsDBNull(dataRow["InstanceName"]))
{
sqlInstanceInfo.Instance = (string)dataRow["InstanceName"];
sqlInstanceInfo.Name = sqlInstanceInfo.Server + @"\" + sqlInstanceInfo.Instance;
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved Instance.");
#endif
}
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieving IsClustered...");
#endif
if (dataRow.Table.Columns.Contains("IsClustered") && !Convert.IsDBNull(dataRow["IsClustered"]))
{
sqlInstanceInfo.IsClustered = (dataRow["IsClustered"] is bool) ? (bool)dataRow["IsClustered"] : ((dataRow["IsClustered"] as string).ToLower().CompareTo("yes") == 0 || (dataRow["IsClustered"] as string).ToLower().CompareTo("true") == 0);
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved IsClustered.");
#endif
}
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieving Version...");
#endif
if (dataRow.Table.Columns.Contains("Version") && !Convert.IsDBNull(dataRow["Version"]))
{
sqlInstanceInfo.Version = (string)dataRow["Version"];
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved Version.");
#endif
}
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieving IsLocal...");
#endif
if (dataRow.Table.Columns.Contains("IsLocal") && !Convert.IsDBNull(dataRow["IsLocal"]))
{
sqlInstanceInfo.IsLocal = (bool)dataRow["IsLocal"];
#if DETAILED_LOGING
Logger.Instance.LogTrace(@"Retrieved IsLocal.");
#endif
}
Logger.Instance.LogTrace("Smo: {0}.", sqlInstanceInfo.ToString());
if (!string.IsNullOrEmpty(sqlInstanceInfo.Name))
{
bool exists = false;
foreach (SqlInstance instance in xioResult)
{
if (instance.Name.CompareTo(sqlInstanceInfo.Name) == 0)
{
exists = true;
break;
}
}
if (!exists)
{
xioResult.Add(sqlInstanceInfo);
}
}
}
}