/// <summary>
/// Creates a logger that can log both to Console or file.
/// </summary>
/// <param name="AFileName">File to which the output should be written if logging to the logfile is requested.</param>
/// <param name="ASuppressDateAndTime">Set to true to suppress the logging of date and time in log files (default= false).</param>
public TLogging(String AFileName, bool ASuppressDateAndTime = false)
{
if (Path.GetFullPath(AFileName) == TLogWriter.GetLogFileName())
{
return;
}
TLogging.Context = "";
if (ULogWriter == null)
{
ULogWriter = new TLogWriter(AFileName);
ULogWriter.SuppressDateAndTime = ASuppressDateAndTime;
ULogFileName = AFileName;
}
else
{
throw new Exception("TLogging.Create: only use one log file at the time! old name: " +
TLogWriter.GetLogFileName() + "; new name: " +
Path.GetFullPath(AFileName));
}
TLogging.StatusBarProcedure = null;
StatusBarProcedureValid = false;
}
/// reset the static variables for each Web Request call.
public static void ResetStaticVariables()
{
DebugLevel = 0;
FNoLoggingToConsoleError = false;
ULogWriter = null;
ULogFileName = String.Empty;
UUserNamePrefix = DEFAULTUSERNAMEPREFIX;
ULogTextAsString = null;
ULogPageNumber = 1;
UNewMessageCallback = null;
Context = String.Empty;
StatusBarProcedure = null;
StatusBarProcedureValid = false;
}
/// <summary>
/// Logs a message. Output destination can be selected with the Loggingtype flag.
/// </summary>
/// <param name="Text">Log message</param>
/// <param name="ALoggingType">Determines the output destination.
/// Note: More than one output destination can be chosen!</param>
public static void Log(string Text, TLoggingType ALoggingType)
{
if (((ALoggingType & TLoggingType.ToConsole) != 0) ||
((ALoggingType & TLoggingType.ToLogfile) != 0)
// only in Debugmode write the messages for the statusbar also on the console (e.g. reporting progress)
|| (((ALoggingType & TLoggingType.ToStatusBar) != 0) && (TLogging.DebugLevel == TLogging.DEBUGLEVEL_TRACE)))
{
Console.Error.WriteLine(Utilities.CurrentTime() + " " + Text);
if ((TLogging.Context != null) && (TLogging.Context.Length != 0))
{
Console.Error.WriteLine(" Context: " + TLogging.Context);
}
}
if (((ALoggingType & TLoggingType.ToConsole) != 0) || ((ALoggingType & TLoggingType.ToLogfile) != 0) ||
((ALoggingType & TLoggingType.ToStatusBar) != 0))
{
if (TLogging.StatusBarProcedureValid && (Text.IndexOf("SELECT") == -1))
{
// don't print sql statements to the statusbar in debug mode
if (TLogging.Context.Length != 0)
{
Text += "; Context: " + TLogging.Context;
}
StatusBarProcedure(Text);
}
}
if ((ALoggingType & TLoggingType.ToLogfile) != 0)
{
if (ULogWriter != null)
{
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
}
else
{
// I found it was better to write the actual logging message,
// even if the logwriter is not setup up correctly
new TLogging("temp.log");
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
ULogWriter = null;
ULogFileName = null;
// now throw an exception, because it is not supposed to work like this
throw new ENoLoggingToFile_WrongConstructorUsedException();
}
}
}
/// <summary>
/// Logs a message. Output destination can be selected with the Loggingtype flag.
/// </summary>
/// <param name="Text">Log message</param>
/// <param name="ALoggingType">Determines the output destination.
/// Note: More than one output destination can be chosen!</param>
/// <param name="ACustomStatusCallbackProcedure">Optional instance of a custom callback procedure for writing
/// to the StatusBar of a Form (default = null).</param>
public static void Log(string Text, TLoggingType ALoggingType,
TStatusCallbackProcedure ACustomStatusCallbackProcedure = null)
{
if (((ALoggingType & TLoggingType.ToConsole) != 0) && (ULogTextAsString != null) && (ULogTextAsString.Length > 0))
{
// log to static string for Windows Forms app
if (ULogTextAsString.Length > 16384)
{
TruncateLogString(8192);
}
ULogTextAsString += (Utilities.CurrentTime() + " " + Text + Environment.NewLine);
if ((TLogging.Context != null) && (TLogging.Context.Length != 0))
{
ULogTextAsString += (" Context: " + TLogging.Context + Environment.NewLine);
}
// Tell our caller that there is a new message
if (UNewMessageCallback != null)
{
// Can this fail if the program has closed??
UNewMessageCallback();
}
}
else if (!FNoLoggingToConsoleError)
{
try
{
if (((ALoggingType & TLoggingType.ToConsole) != 0)
// only in Debugmode write the messages for the statusbar also on the console (e.g. reporting progress)
|| (((ALoggingType & TLoggingType.ToStatusBar) != 0) && (TLogging.DebugLevel != 0)))
{
Console.Error.WriteLine(Utilities.CurrentTime() + " " + Text);
if (!string.IsNullOrEmpty(TLogging.Context))
{
Console.Error.WriteLine(" Context: " + TLogging.Context);
}
}
}
catch (System.NotSupportedException)
{
// ignore this exception: System.NotSupportedException: Stream does not support writing
}
}
if (((ALoggingType & TLoggingType.ToStatusBar) != 0) &&
(Text.IndexOf("SELECT") == -1)) // Don't print sql statements to the statusbar
{
if (!string.IsNullOrEmpty(TLogging.Context))
{
Text += "; Context: " + TLogging.Context;
}
if (ACustomStatusCallbackProcedure == null)
{
if (TLogging.StatusBarProcedureValid)
{
StatusBarProcedure(Text);
}
}
else
{
ACustomStatusCallbackProcedure(Text);
}
}
if ((ALoggingType & TLoggingType.ToLogfile) != 0)
{
if (ULogWriter != null)
{
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
}
else
{
// I found it was better to write the actual logging message,
// even if the logwriter is not setup up correctly
new TLogging("temp.log");
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
ULogWriter = null;
ULogFileName = null;
// now throw an exception, because it is not supposed to work like this
throw new ENoLoggingToFile_WrongConstructorUsedException();
}
}
}
/// <summary>
/// Logs a message. Output destination can be selected with the Loggingtype flag.
/// </summary>
/// <param name="Text">Log message</param>
/// <param name="ALoggingType">Determines the output destination.
/// Note: More than one output destination can be chosen!</param>
public static void Log(string Text, TLoggingType ALoggingType)
{
if (((ALoggingType & TLoggingType.ToConsole) != 0)
|| ((ALoggingType & TLoggingType.ToLogfile) != 0)
// only in Debugmode write the messages for the statusbar also on the console (e.g. reporting progress)
|| (((ALoggingType & TLoggingType.ToStatusBar) != 0) && (TLogging.DebugLevel == TLogging.DEBUGLEVEL_TRACE)))
{
Console.Error.WriteLine(Utilities.CurrentTime() + " " + Text);
if ((TLogging.Context != null) && (TLogging.Context.Length != 0))
{
Console.Error.WriteLine(" Context: " + TLogging.Context);
}
}
if (((ALoggingType & TLoggingType.ToConsole) != 0) || ((ALoggingType & TLoggingType.ToLogfile) != 0)
|| ((ALoggingType & TLoggingType.ToStatusBar) != 0))
{
if (TLogging.StatusBarProcedureValid && (Text.IndexOf("SELECT") == -1))
{
// don't print sql statements to the statusbar in debug mode
if (TLogging.Context.Length != 0)
{
Text += "; Context: " + TLogging.Context;
}
StatusBarProcedure(Text);
}
}
if ((ALoggingType & TLoggingType.ToLogfile) != 0)
{
if (ULogWriter != null)
{
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
}
else
{
// I found it was better to write the actual logging message,
// even if the logwriter is not setup up correctly
new TLogging("temp.log");
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
ULogWriter = null;
ULogFileName = null;
// now throw an exception, because it is not supposed to work like this
throw new ENoLoggingToFile_WrongConstructorUsedException();
}
}
}
/// <summary>
/// Creates a logger that can log both to Console or file.
/// </summary>
/// <param name="AFileName">File to which the output should be written if logging to the logfile is requested.</param>
/// <param name="ASuppressDateAndTime">Set to true to suppress the logging of date and time in log files (default= false).</param>
public TLogging(String AFileName, bool ASuppressDateAndTime = false)
{
if (Path.GetFullPath(AFileName) == TLogWriter.GetLogFileName())
{
return;
}
TLogging.Context = "";
if (ULogWriter == null)
{
ULogWriter = new TLogWriter(AFileName);
ULogWriter.SuppressDateAndTime = ASuppressDateAndTime;
ULogFileName = AFileName;
}
else
{
throw new Exception("TLogging.Create: only use one log file at the time! old name: " +
TLogWriter.GetLogFileName() + "; new name: " +
Path.GetFullPath(AFileName));
}
TLogging.StatusBarProcedure = null;
StatusBarProcedureValid = false;
}
/// <summary>
/// Logs a message. Output destination can be selected with the Loggingtype flag.
/// </summary>
/// <param name="Text">Log message</param>
/// <param name="ALoggingType">Determines the output destination.
/// Note: More than one output destination can be chosen!</param>
public static void Log(string Text, TLoggingType ALoggingType)
{
if (((ALoggingType & TLoggingType.ToConsole) != 0) && (ULogTextAsString != null) && (ULogTextAsString.Length > 0))
{
// log to static string for Windows Forms app
if (ULogTextAsString.Length > 16384)
{
TruncateLogString(8192);
}
ULogTextAsString += (Utilities.CurrentTime() + " " + Text + Environment.NewLine);
if ((TLogging.Context != null) && (TLogging.Context.Length != 0))
{
ULogTextAsString += (" Context: " + TLogging.Context + Environment.NewLine);
}
// Tell our caller that there is a new message
if (UNewMessageCallback != null)
{
// Can this fail if the program has closed??
UNewMessageCallback();
}
}
else if (((ALoggingType & TLoggingType.ToConsole) != 0)
|| ((ALoggingType & TLoggingType.ToLogfile) != 0)
// only in Debugmode write the messages for the statusbar also on the console (e.g. reporting progress)
|| (((ALoggingType & TLoggingType.ToStatusBar) != 0) && (TLogging.DebugLevel == TLogging.DEBUGLEVEL_TRACE)))
{
Console.Error.WriteLine(Utilities.CurrentTime() + " " + Text);
if ((TLogging.Context != null) && (TLogging.Context.Length != 0))
{
Console.Error.WriteLine(" Context: " + TLogging.Context);
}
}
if (((ALoggingType & TLoggingType.ToConsole) != 0) || ((ALoggingType & TLoggingType.ToLogfile) != 0)
|| ((ALoggingType & TLoggingType.ToStatusBar) != 0))
{
if (TLogging.StatusBarProcedureValid && (Text.IndexOf("SELECT") == -1))
{
// don't print sql statements to the statusbar in debug mode
if (TLogging.Context.Length != 0)
{
Text += "; Context: " + TLogging.Context;
}
StatusBarProcedure(Text);
}
}
if ((ALoggingType & TLoggingType.ToLogfile) != 0)
{
if (ULogWriter != null)
{
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
}
else
{
// I found it was better to write the actual logging message,
// even if the logwriter is not setup up correctly
new TLogging("temp.log");
TLogWriter.Log(Text);
if (TLogging.Context.Length != 0)
{
TLogWriter.Log(" Context: " + TLogging.Context);
}
ULogWriter = null;
ULogFileName = null;
// now throw an exception, because it is not supposed to work like this
throw new ENoLoggingToFile_WrongConstructorUsedException();
}
}
}
