// See also constants LOGIN_STATUS_TYPE_* in Ict.Petra.Server.MSysMan.Security.TLoginLog!
/// <summary>
/// Adds a record to the s_login DB Table. That DB Table contains a log of all the log-ins/log-in attempts to
/// the system, and of log-outs from the system.
/// </summary>
/// <param name="AUserID">UserID of the User for which a record should be written.</param>
/// <param name="ALoginType">Type of the login/logout record. This is a hard-coded constant value
/// (there's no 'lookup table' for it); for available values and their meaning please check program code
/// (Ict.Petra.Server.MSysMan.Security.TLoginLog Class).</param>
/// <param name="ALoginDetails">Details/description of the login/login attempt/logout </param>
/// <param name="AProcessID">'Process ID'; this is a unique key and comes from a sequence (seq_login_process_id).</param>
/// <param name="ATransaction">Instantiated DB Transaction.</param>
public static void AddLoginLogEntry(String AUserID, String ALoginType, String ALoginDetails, out Int32 AProcessID,
TDBTransaction ATransaction)
{
SLoginTable LoginTable = new SLoginTable();
SLoginRow NewLoginRow = LoginTable.NewRowTyped(false);
OdbcParameter[] ParametersArray;
DateTime LoginDateTime = DateTime.Now;
// Set DataRow values
NewLoginRow.LoginProcessId = -1;
NewLoginRow.UserId = AUserID.ToUpper();
NewLoginRow.LoginType = ALoginType;
NewLoginRow.LoginDetails = ALoginDetails;
NewLoginRow.Date = LoginDateTime.Date;
NewLoginRow.Time = Conversions.DateTimeToInt32Time(LoginDateTime);
//TLogging.Log(String.Format("AddLoginLogEntry: NewLoginRow.Date: {0}; NewLoginRow.Time: {1}",
// NewLoginRow.Date, NewLoginRow.Time));
LoginTable.Rows.Add(NewLoginRow);
try
{
SLoginAccess.SubmitChanges(LoginTable, ATransaction);
}
catch (Exception Exc)
{
TLogging.Log("AddLoginLogEntry: An Exception occured during the saving of a Login Log entry (Situation #1):" +
Environment.NewLine + Exc.ToString());
throw;
}
// Retrieve ROWID of the SLogin record
ParametersArray = new OdbcParameter[4];
ParametersArray[0] = new OdbcParameter("", OdbcType.VarChar, 20);
ParametersArray[0].Value = (System.Object)(AUserID);
ParametersArray[1] = new OdbcParameter("", OdbcType.Date);
ParametersArray[1].Value = (System.Object)(LoginDateTime.Date);
ParametersArray[2] = new OdbcParameter("", OdbcType.Int);
ParametersArray[2].Value = (System.Object)(NewLoginRow.Time);
ParametersArray[3] = new OdbcParameter("", OdbcType.VarChar, 500);
ParametersArray[3].Value = (System.Object)(ALoginDetails);
try
{
// ROWID for postgresql: see http://archives.postgresql.org/sydpug/2005-05/msg00002.php
AProcessID =
Convert.ToInt32(ATransaction.DataBaseObj.ExecuteScalar("SELECT " + SLoginTable.GetLoginProcessIdDBName() + " FROM PUB_" +
TTypedDataTable.GetTableNameSQL(SLoginTable.TableId) +
' ' +
"WHERE " + SLoginTable.GetUserIdDBName() + " = ? AND " + SLoginTable.GetDateDBName() + " = ? AND " +
SLoginTable.GetTimeDBName() + " = ? AND " + SLoginTable.GetLoginDetailsDBName() + " = ?", ATransaction,
ParametersArray));
}
catch (Exception Exc)
{
TLogging.Log("An Exception occured during the saving of the a Login Log entry (Situation #2):" +
Environment.NewLine + Exc.ToString());
throw;
}
}
/// <summary>
/// Records the logging-out (=disconnection) of a Client to the s_login DB Table. That DB Table contains a log
/// of all the log-ins/log-in attempts to the system, and of log-outs from the system.
/// </summary>
/// <param name="AUserID">UserID of the User for which a logout should be recorded.</param>
/// <param name="AProcessID">ProcessID of the User for which a logout should be recorded.
/// This will need to be the number that got returned from an earlier call to
/// <see cref="AddLoginLogEntry(string, string, string, out int, TDBTransaction)"/>!</param>
/// <param name="ATransaction">Either an instantiated DB Transaction, or null. In the latter case
/// a separate DB Connection gets opened, a DB Transaction on that separate DB Connection gets started,
/// then committed/rolled back and the separate DB Connection gets closed. This is needed when this Method
/// gets called from Method 'Ict.Common.Remoting.Server.TDisconnectClientThread.StartClientDisconnection()'!</param>
public void RecordUserLogout(String AUserID, int AProcessID, TDBTransaction ATransaction)
{
TDataBase DBConnectionObj = null;
TDBTransaction WriteTransaction = new TDBTransaction();
SLoginTable LoginTable = new SLoginTable();
SLoginRow NewLoginRow = LoginTable.NewRowTyped(false);
bool SubmissionOK = false;
DateTime LogoutDateTime = DateTime.Now;
// Set DataRow values
NewLoginRow.LoginProcessId = -1;
NewLoginRow.UserId = AUserID.ToUpper();
NewLoginRow.LoginType = LOGIN_STATUS_TYPE_LOGOUT;
NewLoginRow.LoginDetails = Catalog.GetString("User logout.");
NewLoginRow.LoginProcessIdRef = AProcessID;
NewLoginRow.Date = LogoutDateTime.Date;
NewLoginRow.Time = Conversions.DateTimeToInt32Time(LogoutDateTime);
//TLogging.Log(String.Format("RecordUserLogout: NewLoginRow.Date: {0}; NewLoginRow.Time: {1}",
// NewLoginRow.Date, NewLoginRow.Time));
LoginTable.Rows.Add(NewLoginRow);
if (ATransaction == null)
{
// Open a separate DB Connection (necessary because this Method gets executed in the Server's (Main) AppDomain
// which hasn't got an instance of DBAccess.GDBAccess!) ...
DBConnectionObj = DBAccess.Connect("RecordUserLogout");
// ...and start a DB Transaction on that separate DB Connection
WriteTransaction = DBConnectionObj.BeginTransaction(IsolationLevel.RepeatableRead, 0, "RecordUserLogout");
}
else
{
DBConnectionObj = ATransaction.DataBaseObj;
WriteTransaction = ATransaction;
}
try
{
try
{
SLoginAccess.SubmitChanges(LoginTable, WriteTransaction);
SubmissionOK = true;
}
catch (Exception Exc)
{
TLogging.Log("RecordUserLogout: An Exception occured during the saving of a Login Log entry:" +
Environment.NewLine + Exc.ToString());
throw;
}
}
finally
{
if (SubmissionOK)
{
ATransaction.Commit();
}
else
{
ATransaction.Rollback();
}
if (DBConnectionObj != null)
{
DBConnectionObj.CloseDBConnection();
}
}
}
