/// <summary>
/// Appends a <see cref="SysLogEntry" /> to the event log.
/// </summary>
/// <param name="entry">The log entry.</param>
protected override void Append(SysLogEntry entry)
{
bool createNew;
lock (syncLock)
{
try
{
using (var output = File.AppendText(currentFile))
{
output.WriteLine(entry.ToString(SysLogEntryFormat.ShowAll));
createNew = output.BaseStream.Length >= maxSize;
}
if (createNew)
{
CreateNewFile();
}
}
catch
{
// Absorb any exceptions to avoid impacting the application due to logging issues.
}
}
}
/// <summary>
/// Appends the log entry passed to the in-memory list if in-memory
/// logging is enabled, otherwise writes the entry to the output.
/// </summary>
/// <param name="entry">The log entry.</param>
protected override void Append(SysLogEntry entry)
{
if (!inMemory)
{
if (fileName == null)
{
Debug.Write(entry.ToString());
}
else
{
lock (syncLock)
{
FileStream output;
byte[] buf;
output = new FileStream(fileName, FileMode.Append, FileAccess.Write, FileShare.None);
buf = Encoding.UTF8.GetBytes(entry.ToString(format));
output.Write(buf, 0, buf.Length);
output.Close();
}
}
return;
}
lock (syncLock)
{
if (head == null)
{
head = tail = entry;
}
else
{
tail.Next = entry;
}
}
}
/// <summary>
/// Appends the log entry passed to the output log.
/// </summary>
/// <param name="entry">The log entry.</param>
protected override void Append(SysLogEntry entry)
{
EventLogEntryType winEventType;
if (appEventLog == null)
{
return;
}
switch (entry.Type)
{
case SysLogEntryType.Information: winEventType = EventLogEntryType.Information; break;
case SysLogEntryType.Warning: winEventType = EventLogEntryType.Warning; break;
case SysLogEntryType.Error: winEventType = EventLogEntryType.Error; break;
case SysLogEntryType.SecuritySuccess: winEventType = EventLogEntryType.SuccessAudit; break;
case SysLogEntryType.SecurityFailure: winEventType = EventLogEntryType.FailureAudit; break;
case SysLogEntryType.Exception: winEventType = EventLogEntryType.Error; break;
case SysLogEntryType.Trace: winEventType = EventLogEntryType.Information; break;
default: winEventType = EventLogEntryType.Information; break;
}
try
{
appEventLog.WriteEntry(entry.ToString(SysLogEntryFormat.ShowExtended), winEventType);
}
catch
{
// The event log can throw an exception when it's full. Ignore these.
}
}
