/// <summary>
/// Logs the message into the EventLog defined by <typeparamref name="TEventDefinition"/>
/// </summary>
/// <typeparam name="TEventDefinition">
/// Must be a derived class of <see cref="LogEventBase"/>
/// </typeparam>
/// <param name="message">The string message to log</param>
/// <param name="messageParams">The parameters of the message</param>
public static void Log <TEventDefinition>(string message = null, params object[] messageParams)
where TEventDefinition : LogEventBase, new()
{
// --- Prepare the message to log
var eventClass = new TEventDefinition();
if (!eventClass.LogNameValid)
{
throw new InvalidOperationException("The event does not have a valid log name");
}
var msg = message != null?String.Format(message, messageParams) : eventClass.Message;
if (msg.Length > MAX_MESSAGE_LENGTH)
{
msg = msg.Substring(0, MAX_MESSAGE_LENGTH);
}
if (TraceLogger == null)
{
// --- Log it to the Windows Event log
var logger = new EventLog(LogNameMapper.Map(eventClass.LogName))
{
Source = LogSourceMapper.Map(eventClass.Source),
MachineName = ".",
};
logger.WriteEntry(msg, eventClass.Type, eventClass.EventId, eventClass.CategoryId);
}
else
{
// --- Log it to the secondary log
LogToSecondary(eventClass, msg);
}
}
/// <summary>
/// Logs the message into the EventLog defined by <typeparamref name="TEventDefinition"/>
/// </summary>
/// <typeparam name="TEventDefinition">
/// Must be a derived class of <see cref="LogEventBase"/>
/// </typeparam>
/// <param name="message">The string message to log</param>
/// <param name="ex">Exception to log</param>
public static void Log <TEventDefinition>(string message, Exception ex)
where TEventDefinition : LogEventBase, new()
{
// --- Prepare the message to log
var eventClass = new TEventDefinition();
var messageBuilder = new StringBuilder();
messageBuilder.AppendLine(message);
messageBuilder.AppendFormat("{0}: {1}", ex.GetType(), ex.Message);
messageBuilder.AppendLine();
messageBuilder.AppendLine(ex.StackTrace);
var innerEx = ex.InnerException;
while (innerEx != null)
{
messageBuilder.AppendFormat("{0}: ", ex);
messageBuilder.AppendLine(ex.Message);
messageBuilder.AppendLine(ex.StackTrace);
innerEx = innerEx.InnerException;
}
var finalMessage = messageBuilder.ToString();
if (finalMessage.Length > MAX_MESSAGE_LENGTH)
{
finalMessage = finalMessage.Substring(0, MAX_MESSAGE_LENGTH);
}
if (TraceLogger == null)
{
var logger = new EventLog(LogNameMapper.Map(eventClass.LogName))
{
Source = LogSourceMapper.Map(eventClass.Source),
MachineName = ".",
};
logger.WriteEntry(finalMessage, eventClass.Type, eventClass.EventId, eventClass.CategoryId);
}
else
{
// --- Log it to the secondary log
LogToSecondary(eventClass, finalMessage);
}
}
