private void serverSelectionChanged(object sender)
{
databases.Items.Clear();
ArrayList sortedDBs = new ArrayList();
String currentDBServer = textBox_Server.Text;
String currentDBServerPort = "";
if (textBox_Port.Text == "")
{
if (databaseServers.SelectedItem != null)
currentDBServerPort = ((ComboBoxServer)databaseServers.SelectedItem).Port;
else
currentDBServerPort = textBox_Port.Text;
textBox_Port.Text = currentDBServerPort;
}
else
currentDBServerPort = textBox_Port.Text;
TextBlockStatus.Text = "Verfügbare Datenbanken werden in " + currentDBServer + " gesucht.";
if (comboBoxDBType.SelectedItem.ToString() == DBPOSTGRES)
{
this.databases.Items.Clear();
this.hisProduct.Items.Clear();
this.comboBoxEncoding.Items.Clear();
DBConnection pgConnection = new DBConnection(DBConnection.DBType.Postgres);
NpgsqlConnection sqlConx = (NpgsqlConnection)pgConnection.openPGConnection(currentDBServer, "postgres", currentDBServerPort, getHisProduct(), false);
if (sqlConx == null)
{
TextBlockStatus.Text = "Datenbank Verbindung fehlgeschlagen!";
return;
}
DataTable tblDatabases = sqlConx.GetSchema("Databases");
DataView view = tblDatabases.DefaultView;
view.Sort = "database_name";
sqlConx.Close();
foreach (DataRowView row in view)
{
try
{
String dbName = row["database_name"].ToString().Trim();
String dbOwner = row["owner"].ToString().Trim();
String dbEncoding = row["encoding"].ToString().Trim();
if ((dbName != "postgres") && (dbName != "template0") && (dbName != "template1") && (dbName != "latin1"))
{
sortedDBs.Add(new ComboBoxDatabase(dbName, dbOwner, dbEncoding));
}
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
return;
}
}
}
else if (comboBoxDBType.SelectedItem.ToString() == DBINFORMIX)
{
if (databaseServers.SelectedItem == null)
return;
String currentInformixServer = ((ComboBoxServer)databaseServers.SelectedItem).InformixServer;
if (!SQLHosts.EntryExists(currentInformixServer))
{
SQLHosts.CreateEntry(currentInformixServer, currentDBServer, currentDBServerPort);
}
try
{
DBConnection ifxConnection = new DBConnection(DBConnection.DBType.Informix);
IfxConnection conn = (IfxConnection)ifxConnection.openIfxConnection(currentDBServer, currentInformixServer, "sysmaster", currentDBServerPort, getHisProduct(), "", false);
if (conn == null)
{
TextBlockStatus.Text = "Datenbank Verbindung fehlgeschlagen!";
return;
}
String commandText = "SELECT sysdatabases.name, sysdatabases.owner, sysdbslocale.dbs_collate " +
"FROM sysdbslocale INNER JOIN sysdatabases ON sysdatabases.name = sysdbslocale.dbs_dbsname " +
"ORDER BY sysdatabases.name;";
IfxDataReader reader = (IfxDataReader)ifxConnection.readQuery(commandText);
// reader.HasRows was returning FALSE on some machines when there were rows returned
while ((reader != null) && reader.Read())
{
String dbName = reader[0].ToString().Trim();
String dbOwner = reader[1].ToString().Trim();
String dbEncoding = reader[2].ToString().Trim();
if (!dbName.StartsWith("sys"))
{
sortedDBs.Add(new ComboBoxDatabase(dbName, dbOwner, dbEncoding));
}
}
conn.Close();
conn.Dispose();
}
catch (IfxException ex)
{
MessageBox.Show("Failed opening connection: " + ex);
TextBlockStatus.Text = "Datenbank Verbindung fehlgeschlagen!";
return;
}
catch (TypeInitializationException ex)
{
MessageBox.Show("Failed opening connection: " + ex);
TextBlockStatus.Text = "Datenbank Verbindung fehlgeschlagen!";
return;
}
catch (Exception ex)
{
MessageBox.Show("Failed opening connection: " + ex);
TextBlockStatus.Text = "Datenbank Verbindung fehlgeschlagen!";
return;
}
}
this.databases.Items.Clear();
foreach (ComboBoxDatabase db in sortedDBs)
{
this.databases.Items.Add(db);
}
// filter when called normally
if (sender != null)
textBox_filterDBs_TextChanged(null, null);
TextBlockStatus.Text = "Server " + currentDBServer + " hat " + databases.Items.Count + " Datenbanken verfügbar.";
}
private DBConnection DBConnectionSetup()
{
if ((databases.SelectedItem == null) || ((databaseServers.SelectedItem == null) && (this.textBox_Server.Text == "")))
return null;
String dbServerName = textBox_Server.Text;
String dbServerPort = textBox_Port.Text;
String dbName = ((ComboBoxDatabase)(databases.SelectedItem)).Name;
DBConnection dbconn = new DBConnection((comboBoxDBType.SelectedItem.ToString() == DBPOSTGRES) ? DBConnection.DBType.Postgres : DBConnection.DBType.Informix);
if (comboBoxDBType.SelectedItem.ToString() == DBPOSTGRES)
{
dbconn.openPGConnection(dbServerName, dbName, dbServerPort, getHisProduct(), false);
}
else
{
String ifxServerName = ((ComboBoxServer)(databaseServers.SelectedItem)).InformixServer;
String currentInformixLocale = ((ComboBoxDatabase)databases.SelectedItem).Encoding;
dbconn.openIfxConnection(dbServerName, ifxServerName, dbName, dbServerPort, getHisProduct(), currentInformixLocale, false);
}
return dbconn;
}
private void findUserDBs(object sender, DoWorkEventArgs e)
{
Thread.CurrentThread.Priority = ThreadPriority.Lowest;
BackgroundWorker worker = sender as BackgroundWorker;
Dispatcher.Invoke(new Action(() => { databaseServers_Loaded(null, null); }));
List<Win32.NetApi32.SERVER_INFO_101> serverList = Win32.NetApi32.GetServerList(Win32.NetApi32.SV_101_TYPES.SV_TYPE_ALL);
foreach (Win32.NetApi32.SERVER_INFO_101 server in serverList)
{
if (worker.CancellationPending) break;
String nameToShow = server.sv101_comment;
if (nameToShow.Contains("UB1"))
{
// this test takes too long
DBConnection pgConnection = new DBConnection(DBConnection.DBType.Postgres);
if (pgConnection.openPGConnection(server.sv101_name, "postgres", textBox_Port.Text, "", true) != null)
{
nameToShow = nameToShow.Replace("UB1", "");
nameToShow = nameToShow.Trim('-', ' ');
Dispatcher.Invoke(new Action(() => { databaseServers.Items.Add(new ComboBoxServer(server.sv101_name, textBox_Port.Text, nameToShow)); }), System.Windows.Threading.DispatcherPriority.Background, null);
pgConnection.closeConnection();
}
}
}
}
private void createNewEntry()
{
if ((comboBoxDBType.SelectedIndex == -1) || ((databaseServers.SelectedIndex == -1) && textBox_Server.Text == "")||
(databases.SelectedIndex == -1) || (hisProduct.SelectedIndex == -1) ||
(comboBoxEncoding.SelectedIndex == -1) || (textBoxConnectionName.Text.Trim() == ""))
{
MessageBox.Show("Fehlende Eingabe!");
return;
}
try
{
String setSearchPathTo = "";
String dbName = ((ComboBoxDatabase)(databases.SelectedItem)).Name;
String dbServerName = textBox_Server.Text;
String dbServerPort = textBox_Port.Text;
String hisProductName = getHisProduct();
String entryName = textBoxConnectionName.Text.Trim();
if (entryName.Length > 30)
{
MessageBoxResult res = MessageBox.Show("Name zu lang!");
return;
}
if (ODBCManager.DSNExists(entryName))
{
MessageBoxResult res = MessageBox.Show("ODBC Eintrag " + entryName + " exisitiert schon! Fortfahren?", "Warnung", MessageBoxButton.YesNo);
if (res == MessageBoxResult.No) return;
}
if (RegistryManager.EntryExists(hisProductName, entryName, dbServerName))
{
MessageBoxResult res = MessageBox.Show("Registry Eintrag " + dbName + " exisitiert schon! Fortfahren?", "Warnung", MessageBoxButton.YesNo);
if (res == MessageBoxResult.No) return;
}
if (comboBoxDBType.SelectedItem.ToString() == DBPOSTGRES)
{
// create odbc connection
DBConnection pgConnection = new DBConnection(DBConnection.DBType.Postgres);
NpgsqlConnection con = (NpgsqlConnection)pgConnection.openPGConnection(dbServerName, dbName, dbServerPort, getHisProduct(), false);
// if a namespace 'mbs' exists, then we have a hisrm database and need to set the search path
String query = "SELECT COUNT(*) FROM pg_catalog.pg_namespace WHERE nspname IN ('mbs', 'sva4')";
NpgsqlCommand command = new NpgsqlCommand(query, con);
NpgsqlDataReader reader = command.ExecuteReader();
reader.Read();
if (int.Parse(reader[0].ToString()) > 0)
{
if ((hisProduct.SelectedItem.ToString().Contains(HISMBSGX)) || (hisProduct.SelectedItem.ToString().Contains(HISFSVGX)))
setSearchPathTo = "mbs";
else if (hisProduct.SelectedItem.ToString().Contains(HISSVAGX))
setSearchPathTo = "sva4";
else if (hisProduct.SelectedItem.ToString().Contains(HISCOBGX))
setSearchPathTo = "cob";
}
reader.Close();
string user = "";
pgConnection.createUserAndPasswordString(getHisProduct(), ref user);
String driverName;
if (comboBoxEncoding.SelectedItem.ToString() == PGANSI)
driverName = PGANSI;
else
driverName = PGUNICODE;
bool retval = ODBCManager.CreateDSN(entryName, dbServerName, driverName,
true, dbName, dbServerPort, user, setSearchPathTo);
if (!retval)
{
TextBlockStatus.Text = "fail: ODBCManager.CreateDSN";
return;
}
// add lang to db, if necessary
command = new NpgsqlCommand(@"CREATE OR REPLACE FUNCTION make_plpgsql()
RETURNS VOID
LANGUAGE SQL
AS $$
CREATE TRUSTED PROCEDURAL LANGUAGE 'plpgsql'
HANDLER plpgsql_call_handler
VALIDATOR plpgsql_validator;
ALTER LANGUAGE plpgsql OWNER TO postgres;
$$;
SELECT
CASE
WHEN EXISTS(
SELECT 1
FROM pg_catalog.pg_language
WHERE lanname='plpgsql'
)
THEN NULL
ELSE make_plpgsql() END;
DROP FUNCTION make_plpgsql();", con);
int returnCode = command.ExecuteNonQuery();
con.Close();
}
else if (comboBoxDBType.SelectedItem.ToString() == DBINFORMIX)
{
String host = dbServerName;
dbServerName = ((ComboBoxServer)(databaseServers.SelectedItem)).InformixServer;
}
// create registry entries
RegistryManager.CreateEntry(hisProductName, entryName, dbServerName, dbName, comboBoxDBType.SelectedItem.ToString());
TextBlockStatus.Text = "Datenbank " + dbName + " für die Benutzung mit GX erfolgreich eingerichtet; Verfügbar über Eintrag " + entryName + ".";
MessageBox.Show(TextBlockStatus.Text, "Erfolgreich eingerichtet");
// reload list for immediate deletion of new database
comboBox_delete_Loaded(null, null);
}
catch (Exception ex)
{
TextBlockStatus.Text = ex.Message;
return;
}
}