/// <summary>
/// Format the log event into the output. Subsequent events will be newline-delimited.
/// </summary>
/// <param name="logEvent">The event to format.</param>
/// <param name="output">The output.</param>
public void Format(LogEvent logEvent, TextWriter output)
{
if (logEvent == null)
{
throw new ArgumentNullException(nameof(logEvent));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
output.Write("{");
output.WriteJson("@t", logEvent.Timestamp.UtcDateTime.ToString("O"));
output.AppendJson("@mt", logEvent.MessageTemplate.Text);
if (_config.WriteRenderedMessage)
{
output.AppendJson("@m", logEvent.MessageTemplate.Render(logEvent.Properties));
}
foreach (var item in _redisConfig.MetaProperties)
{
output.AppendJson(item.Key, item.Value);
}
output.WriteRenderings(logEvent);
output.AppendJson("@l", logEvent.Level);
if (logEvent.Exception != null)
{
output.AppendJson("@x", logEvent.Exception);
}
output.WriteProperties(logEvent.Properties, _valueFormatter);
output.WriteLine('}');
}
public static void WriteProperties(this TextWriter output, IReadOnlyDictionary <string, LogEventPropertyValue> properties, JsonValueFormatter valueFormatter)
{
foreach (var property in properties)
{
var name = property.Key;
if (name.Length > 0 && name[0] == '@')
{
// Escape first '@' by doubling
name = '@' + name;
}
output.AppendJson(name, property.Value, valueFormatter);
}
}
