protected override void Write(LogEventInfo logEvent)
{
GraylogMessageBuilder messageBuilder = new GraylogMessageBuilder()
.WithCustomProperty("facility", this.Facility)
.WithProperty("short_message", logEvent.Message)
.WithProperty("host", this.Host)
.WithLevel(logEvent.Level)
.WithCustomProperty("logger_name", logEvent.LoggerName);
if (this.Parameters != null && this.Parameters.Any())
{
Dictionary<string, string> paramsDictionary = this.Parameters
.Select(p => new KeyValuePair<string, string>(p.Name, p.Layout.Render(logEvent)))
.ToDictionary(pair => pair.Key, pair => pair.Value);
messageBuilder.WithCustomPropertyRange(paramsDictionary);
}
if (logEvent.Exception != null)
{
if (!string.IsNullOrEmpty(logEvent.Exception.Message))
messageBuilder.WithCustomProperty("exception_message", logEvent.Exception.Message);
if (!string.IsNullOrEmpty(logEvent.Exception.StackTrace))
messageBuilder.WithCustomProperty("exception_stack_trace", logEvent.Exception.StackTrace);
}
using (var httpClient = new HttpClient())
{
httpClient.BaseAddress = new Uri(string.Format("{0}:{1}/gelf", this.GraylogServer, this.GraylogPort));
httpClient.DefaultRequestHeaders.ExpectContinue = false; // Expect (100) Continue breaks the graylog server
HttpResponseMessage httpResponseMessage = httpClient.PostAsync("", new StringContent(messageBuilder.Render(), Encoding.UTF8, "application/json")).Result;
}
}
protected override void Write(LogEventInfo logEvent)
{
GraylogMessageBuilder messageBuilder = new GraylogMessageBuilder()
.WithCustomProperty("_facility", Facility)
.WithProperty("short_message", logEvent.FormattedMessage)
.WithProperty("host", Host)
.WithLevel(logEvent.Level)
.WithCustomProperty("_logger_name", logEvent.LoggerName);
var properties = GetAllProperties(logEvent);
foreach (var property in properties)
{
try
{
if (!string.IsNullOrEmpty(property.Key))
{
if (Convert.GetTypeCode(property.Value) != TypeCode.Object)
{
messageBuilder.WithCustomProperty(property.Key, property.Value);
}
else
{
messageBuilder.WithCustomProperty(property.Key, property.Value?.ToString());
}
}
}
catch (Exception ex)
{
InternalLogger.Error(ex, "GraylogHttp(Name={0}): Fail to handle LogEvent Properties", Name);
}
}
if (logEvent.Exception != null)
{
if (!string.IsNullOrEmpty(logEvent.Exception.Message))
{
messageBuilder.WithCustomProperty("_exception_message", logEvent.Exception.Message);
}
if (!string.IsNullOrEmpty(logEvent.Exception.StackTrace))
{
messageBuilder.WithCustomProperty("_exception_stack_trace", logEvent.Exception.StackTrace);
}
}
try
{
// Ensure to reuse the same HttpClient. See also: https://aspnetmonsters.com/2016/08/2016-08-27-httpclientwrong/
_httpClient.PostAsync(_requestAddress, new StringContent(messageBuilder.Render(logEvent.TimeStamp), Encoding.UTF8, "application/json")).Result.EnsureSuccessStatusCode();
}
catch (AggregateException ex)
{
foreach (var inner in ex.Flatten().InnerExceptions)
{
InternalLogger.Error(inner, "GraylogHttp(Name={0}): Fail to post LogEvents", Name);
}
}
catch (Exception ex)
{
InternalLogger.Error(ex, "GraylogHttp(Name={0}): Fail to post LogEvents", Name);
}
}
protected override void Write(LogEventInfo logEvent)
{
if (logEvent == null)
{
return;
}
GraylogMessageBuilder messageBuilder = new GraylogMessageBuilder()
.WithProperty("short_message", logEvent.FormattedMessage)
.WithProperty("host", Host)
.WithLevel(logEvent.Level)
.WithSyslogLevelName(logEvent.Level)
.WithCustomProperty("logger_name", logEvent.LoggerName);
if (AddNLogLevelName)
{
messageBuilder.WithNLogLevelName(logEvent.Level);
}
if (!string.IsNullOrEmpty(Facility))
{
messageBuilder.WithCustomProperty("facility", Facility);
}
var properties = GetAllProperties(logEvent);
foreach (var property in properties)
{
try
{
if (!string.IsNullOrEmpty(property.Key))
{
if (Convert.GetTypeCode(property.Value) != TypeCode.Object)
{
messageBuilder.WithCustomProperty(property.Key, property.Value);
}
else
{
messageBuilder.WithCustomProperty(property.Key, property.Value?.ToString());
}
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
InternalLogger.Error(ex, "GraylogHttp(Name={0}): Fail to handle LogEvent Properties", Name);
}
}
if (logEvent.Exception != null)
{
if (!string.IsNullOrEmpty(logEvent.Exception.Message))
{
messageBuilder.WithCustomProperty("_exception_message", logEvent.Exception.Message);
}
if (!string.IsNullOrEmpty(logEvent.Exception.StackTrace))
{
messageBuilder.WithCustomProperty("_exception_stack_trace", logEvent.Exception.StackTrace);
}
}
try
{
_policy.Execute(() =>
{
var content = new StringContent(messageBuilder.Render(logEvent.TimeStamp), Encoding.UTF8, "application/json");
return(_httpClient.PostAsync(_requestAddress, content).Result.EnsureSuccessStatusCode());
});
}
catch (BrokenCircuitException)
{
InternalLogger.Error(
"GraylogHttp(Name={0}): The Graylog server seems to be inaccessible, the log messages were not sent to the server.",
Name);
}
}