public GeneratePdf(IRazorViewToStringRenderer engine)
{
_engine = engine;
_convertOptions = new ConvertOptions();
}
public void SetConvertOptions(IConvertOptions convertOptions)
{
_convertOptions = convertOptions;
}
/// <inheritdoc />
public JObject GetGelfJson(LogEventInfo logEventInfo, IConvertOptions options)
{
if (logEventInfo == null)
{
throw new ArgumentNullException(nameof(logEventInfo));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
// Retrieve the formatted message from LogEventInfo
var logEventMessage = logEventInfo.FormattedMessage;
var properties = new Dictionary <object, object>(logEventInfo.Properties);
if (options.IncludeMdlcProperties)
{
foreach (var propertyName in MappedDiagnosticsLogicalContext.GetNames())
{
properties[propertyName] = MappedDiagnosticsLogicalContext.GetObject(propertyName);
}
}
if (logEventMessage == null)
{
return(null);
}
// If we are dealing with an exception, pass exception properties to LogEventInfo properties
var exception = logEventInfo.Exception;
if (exception != null)
{
var exceptionLevel = 0;
do
{
var prefix = $"Exception.{exceptionLevel++}.";
properties[prefix + "Type"] = exception.GetType().FullName;
properties[prefix + "Source"] = exception.Source;
properties[prefix + "Message"] = exception.Message;
properties[prefix + "StackTrace"] = exception.StackTrace;
exception = exception.InnerException;
}while (exception != null);
}
// Figure out the short message
var shortMessage = logEventMessage;
if (shortMessage.Length > ShortMessageMaxLength)
{
shortMessage = shortMessage.Substring(0, ShortMessageMaxLength);
}
// Construct the instance of GelfMessage
// See http://docs.graylog.org/en/2.4/pages/gelf.html "Specification (version 1.1)"
var gelfMessage = new GelfMessage
{
Version = GelfVersion,
Host = Dns.GetHostName(),
ShortMessage = shortMessage,
FullMessage = logEventMessage,
Timestamp = logEventInfo.TimeStamp.ToUnixTimestamp(),
Level = GetSeverityLevel(logEventInfo.Level),
};
// Convert to JSON
var jsonObject = JObject.FromObject(gelfMessage);
// Add any other interesting data to LogEventInfo properties
properties["LoggerName"] = logEventInfo.LoggerName;
properties["facility"] = options.Facility;
// We will persist them "Additional Fields" according to Gelf spec
foreach (var property in properties)
{
AddAdditionalField(jsonObject, property, options.SerializeObjectProperties);
}
return(jsonObject);
}
