/// <summary>
/// Renders the specified Nested Logical Context item and appends it to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="logEvent">Logging event.</param>
protected override void Append(StringBuilder builder, LogEventInfo logEvent)
{
var messages = NestedDiagnosticsLogicalContext.GetAllObjects();
int startPos = 0;
int endPos = messages.Length;
if (TopFrames != -1)
{
endPos = Math.Min(TopFrames, messages.Length);
}
else if (BottomFrames != -1)
{
startPos = messages.Length - Math.Min(BottomFrames, messages.Length);
}
string currentSeparator = string.Empty;
for (int i = endPos - 1; i >= startPos; --i)
{
var stringValue = Internal.FormatHelper.ConvertToString(messages[i], logEvent.FormatProvider);
builder.Append(currentSeparator);
builder.Append(stringValue);
currentSeparator = Separator;
}
}
private static void TransferScopeDataToLogEventProperties(LogEventInfo log)
{
var allScopes = NestedDiagnosticsLogicalContext.GetAllObjects();
var currentScope = allScopes?.FirstOrDefault() as Scope;
if (currentScope == null)
{
return;
}
const string scopePropertyName = "Scope";
log.Properties.Add(scopePropertyName, currentScope.ScopeName);
log.Properties.Add(nameof(currentScope.ScopeTrace), currentScope.ScopeTrace);
log.Properties.Add(nameof(currentScope.ScopeId), currentScope.ScopeId.ToString());
log.Properties.Add(nameof(currentScope.ScopeIdTrace), currentScope.ScopeIdTrace);
foreach (var property in currentScope.Properties)
{
var key = property.Key;
if (log.Properties.ContainsKey(key))
{
key = "log_scope_" + key;
}
// to omit multiple nesting
if (!log.Properties.ContainsKey(key))
{
log.Properties.Add(key, property.Value);
}
}
}
/// <summary>
/// Renders the specified Nested Logical Context item and appends it to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="logEvent">Logging event.</param>
protected override void Append(StringBuilder builder, LogEventInfo logEvent)
{
if (TopFrames == 1)
{
// Allows fast rendering of topframes=1
var topFrame = NestedDiagnosticsLogicalContext.PeekObject();
if (topFrame != null)
{
AppendAsString(topFrame, GetFormatProvider(logEvent), builder);
}
return;
}
var messages = NestedDiagnosticsLogicalContext.GetAllObjects();
if (messages.Length == 0)
{
return;
}
int startPos = 0;
int endPos = messages.Length;
if (TopFrames != -1)
{
endPos = Math.Min(TopFrames, messages.Length);
}
else if (BottomFrames != -1)
{
startPos = messages.Length - Math.Min(BottomFrames, messages.Length);
}
var formatProvider = GetFormatProvider(logEvent);
string currentSeparator = string.Empty;
for (int i = endPos - 1; i >= startPos; --i)
{
builder.Append(currentSeparator);
AppendAsString(messages[i], formatProvider, builder);
currentSeparator = Separator;
}
}
private static Scope GetParentScope()
{
var allObjects = NestedDiagnosticsLogicalContext.GetAllObjects();
return(allObjects?.FirstOrDefault() as Scope);
}