/// <summary>
/// Returns MSSQL as a dependency if it is installed, otherwise returns null. This allows the service to work
/// better if SQL is installed, but also allows the service to be installed (not fail) if SQL isn't installed.
/// (Not having SQL installed is common for proper hosted services, where SQL is in the tier-2 servers.)
/// </summary>
private string[] GetDependencies()
{
if (DBSetupHelper.SelectDatabaseInstance(out this.sqlInstanceName, out this.sqlServiceName))
{
sqlFound = true;
return(new string[] { sqlServiceName });
}
else
{
sqlFound = false;
return(null);
}
}
public static bool SelectDatabaseInstance(out string sqlInstanceName, out string sqlServiceName)
{
//Look up SQL Server instances from the registry
string[] sqlInstances = DBSetupHelper.GetDBInstances();
sqlServiceName = null;
sqlInstanceName = null;
if (sqlInstances.Length == 0)
{
Trace.WriteLine("No DB instance found.");
return(false);
}
// Do sanity check on the instances. Accept the first one for which a service exists.
foreach (string name in sqlInstances)
{
ServiceController sqlController;
ServiceControllerStatus sqlStatus;
try {
Console.WriteLine("Checking instance name: " + name);
sqlController = new ServiceController(name);
sqlStatus = sqlController.Status; // should throw if the service does't exist
sqlInstanceName = name;
sqlServiceName = name;
}
catch {
try {
Console.WriteLine("Checking instance name: " + "$MSSQL$" + name);
sqlController = new ServiceController("MSSQL$" + name);
sqlStatus = sqlController.Status; // should throw if the service does't exist
sqlInstanceName = name;
sqlServiceName = "MSSQL$" + name;
}
catch {
continue;
}
}
Trace.WriteLine("Selected service: " + sqlServiceName + "; instance=" + sqlInstanceName);
return(true);
}
Trace.WriteLine("No valid DB instance found.");
return(false);
}
public override void Install(IDictionary savedState)
{
CheckAdministratorRole();
#region Add the firewall punchthrough
try
{
MSR.LST.Net.FirewallUtility.AddFirewallException(portMapName,
ports, portTypes, Context.Parameters["assemblypath"]);
}
catch (NotSupportedException ex)
{
RtlAwareMessageBox.Show(null, string.Format(CultureInfo.CurrentCulture,
Strings.FirewallExceptionAddingText, ex.Message), Strings.FirewallExceptionFailedTitle,
MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1,
(MessageBoxOptions)0);
}
#endregion
#region Check for no SQL and show the error message here
if (!this.sqlFound) // Show the error msg here that we couldn't show earlier
{
RtlAwareMessageBox.Show(null, Strings.SqlServerNotFoundText, Strings.SqlServerNotFoundTitle,
MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
}
else // only try to create the database if we know SQL is installed
{
CreateDatabase();
try {
DBSetupHelper.SetConfigFiles(InstallPath, this.sqlInstanceName);
}
catch (Exception ex) {
RtlAwareMessageBox.Show(null, ex.ToString(), Strings.ConfigurationFileCustomizationFailed,
MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1,
(MessageBoxOptions)0);
}
}
#endregion
base.Install(savedState);
}
private void RemoveDatabase()
{
// Verify the user wants to delete the database
DialogResult dr = RtlAwareMessageBox.Show(null, Strings.DeleteDatabaseText, Strings.DeleteDatabaseTitle,
MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
if (dr != DialogResult.Yes)
{
return;
}
try
{
DBSetupHelper.RemoveDatabase(InstallPath);
}
catch (Exception ex)
{
RtlAwareMessageBox.Show(null, string.Format(CultureInfo.CurrentCulture, Strings.RunDropDatabaseSQL,
ex.ToString()), string.Empty, MessageBoxButtons.OK, MessageBoxIcon.Error,
MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
}
}
/// <summary>
/// Creates the database and the schema, but does not create the stored procedures. That's done in CreateStoredProcedures(). Because
/// wiping the schema & database would cause the user to lose all of their data, this is an optional activity.
/// </summary>
private void CreateDatabase()
{
// The installer context should tell us whether to create the database.
// This is the value from the radio buttons in the setup dialog.
string crdb = this.Context.Parameters["createdatabase"];
if ((crdb != null) && crdb.Equals("YES"))
{
Console.WriteLine("\n" + Strings.PleaseWaitDatabase);
try {
DBSetupHelper.InstallDatabase(InstallPath, this.sqlInstanceName, this.sqlServiceName);
}
catch (Exception ex) {
RtlAwareMessageBox.Show(null, string.Format(CultureInfo.CurrentCulture,
Strings.DatabaseOperationFailedText, ex.ToString()), Strings.DatabaseOperationFailedTitle,
MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1,
(MessageBoxOptions)0);
}
Console.WriteLine(Strings.DatabaseInitializationComplete + "\n");
}
}
