/// <summary>
/// Parses a Serilog <see cref="LogEvent"/> and extracts the
/// underlying <see cref="LogEntry"/> which is then transformed
/// in a serializable DTO.
/// </summary>
protected virtual LogEntryDto ExtractLogEntry(LogEvent logEvent)
{
try
{
logEvent.Properties.TryGetValue(Logger.EntryPropertyName, out var entryProperty);
var logEntry = (entryProperty as ScalarValue)?.Value as LogEntry;
if (logEntry == null)
{
//something went wrong
logEntry = new LogEntry
{
TimestampOverride = logEvent.Timestamp,
LogLevel = LogLevel.Fatal,
Exception = logEvent.Exception,
Context = $"{nameof(HttpSink)}.Error",
Payload = new
{
Error = "Could not unwrap log entry.",
Message = logEvent.RenderMessage(),
Level = logEvent.Level.ToString()
}
};
}
var dto = LogEntryParser.ParseLogEntry(logEntry, AppName, Environment);
return(dto);
}
catch (Exception e)
{
return(ProcessLoggingException(e));
}
}
/// <summary>
/// Parses a Serilog <see cref="LogEvent"/> and extracts the
/// underlying <see cref="LogEntry"/> which is then transformed
/// in a serializable DTO.
/// </summary>
protected virtual LogEntryDto ExtractLogEntry(LogEvent logEvent)
{
try
{
logEvent.Properties.TryGetValue(Logger.EntryPropertyName, out var entryProperty);
var logEntry = (entryProperty as ScalarValue)?.Value as LogEntry;
if (logEntry == null)
{
//no log entry to unwrap - assume just a regular Serilog message that didn't come through the custom API
var logLevel = ParseLevel(logEvent.Level);
logEntry = new LogEntry
{
TimestampOverride = logEvent.Timestamp,
LogLevel = logLevel,
Message = logEvent.RenderMessage(),
Exception = logEvent.Exception,
Context = $"{AppName}.{logLevel}"
};
}
//extract all other properties and add them to the context object
var props = logEvent.Properties.Where(p => !p.Key.Equals(Logger.EntryPropertyName));
foreach (var prop in props)
{
var scalarValue = prop.Value as ScalarValue;
if (scalarValue != null)
{
//insert (override duplicate keys)
logEntry.ContextData[prop.Key] = scalarValue.Value;
}
}
var dto = LogEntryParser.ParseLogEntry(logEntry, AppName, Environment);
return(dto);
}
catch (Exception e)
{
return(ProcessLoggingException(e));
}
}
