public async Task SendMessageAsync(GelfMessage message)
{
var content = new StringContent(message.ToJson(), Encoding.UTF8, "application/json");
var result = await _httpClient.PostAsync("gelf", content).ConfigureAwait(false);
result.EnsureSuccessStatusCode();
}
public void SendMessage(GelfMessage message)
{
if (!_messageBuffer.Post(message))
{
Debug.Fail("Failed to add GELF message to buffer.");
}
}
public void Log <TState>(LogLevel logLevel, EventId eventId, TState state,
Exception exception, Func <TState, Exception, string> formatter)
{
if (!IsEnabled(logLevel))
{
return;
}
var additionalFields = _options.AdditionalFields
.Concat(GetScopeAdditionalFields())
.Concat(GetStateAdditionalFields(state));
var message = new GelfMessage
{
ShortMessage = formatter(state, exception),
Host = _options.LogSource,
Level = GetLevel(logLevel),
Timestamp = GetTimestamp(),
Logger = _name,
Exception = exception?.ToString(),
AdditionalFields = ValidateAdditionalFields(additionalFields).ToArray()
};
if (eventId != default)
{
message.EventId = eventId.Id;
message.EventName = eventId.Name;
}
_messageProcessor.SendMessage(message);
}
public static string ToJson(this GelfMessage message)
{
using var stream = new MemoryStream();
using var jsonWriter = new Utf8JsonWriter(stream);
jsonWriter.WriteStartObject();
jsonWriter.WriteStringUnlessNull("version", message.Version);
jsonWriter.WriteStringUnlessNull("host", message.Host);
jsonWriter.WriteStringUnlessNull("short_message", message.ShortMessage);
jsonWriter.WriteNumber("timestamp", message.Timestamp);
jsonWriter.WriteNumber("level", (int)message.Level);
jsonWriter.WriteStringUnlessNull("_logger", message.Logger);
jsonWriter.WriteStringUnlessNull("_exception", message.Exception);
jsonWriter.WriteNumberUnlessNull("_event_id", message.EventId);
jsonWriter.WriteStringUnlessNull("_event_name", message.EventName);
foreach (var field in message.AdditionalFields)
{
WriteAdditionalField(jsonWriter, field);
}
jsonWriter.WriteEndObject();
jsonWriter.Flush();
return(Encoding.UTF8.GetString(stream.ToArray()));
}
private static byte[] GetMessageBytes(GelfMessage message)
{
var messageJson = JObject.FromObject(message);
foreach (var field in message.AdditionalFields)
{
messageJson[$"_{field.Key}"] = field.Value?.ToString();
}
return(Encoding.UTF8.GetBytes(messageJson.ToString()));
}
public async Task SendMessageAsync(GelfMessage message)
{
var messageBytes = Encoding.UTF8.GetBytes(message.ToJson());
if (_options.CompressUdp && messageBytes.Length > _options.UdpCompressionThreshold)
{
messageBytes = await CompressMessageAsync(messageBytes);
}
foreach (var messageChunk in ChunkMessage(messageBytes))
{
await _udpClient.SendAsync(messageChunk, messageChunk.Length, _options.Host, _options.Port);
}
}
public async Task SendMessageAsync(GelfMessage message)
{
var messageBytes = GetMessageBytes(message);
if (_options.Compress && messageBytes.Length > _options.CompressionThreshold)
{
messageBytes = await CompressMessageAsync(messageBytes).ConfigureAwait(false);
}
foreach (var messageChunk in ChunkMessage(messageBytes))
{
await _udpClient.SendAsync(messageChunk, messageChunk.Length, _options.Host, _options.Port)
.ConfigureAwait(false);
}
}
public void Log <TState>(LogLevel logLevel, EventId eventId, TState state,
Exception exception, Func <TState, Exception, string> formatter)
{
if (logLevel == LogLevel.None || !IsEnabled(logLevel))
{
return;
}
var message = new GelfMessage
{
ShortMessage = formatter(state, exception),
Host = _options.LogSource,
Level = GetLevel(logLevel),
Timestamp = GetTimestamp(),
AdditionalFields = _options.AdditionalFields
.Concat(GetStateAdditionalFields(state, exception))
.Concat(GetScopeAdditionalFields())
};
_messageProcessor.SendMessage(message);
}
public static string ToJson(this GelfMessage message)
{
var messageJson = JObject.FromObject(message);
foreach (var field in message.AdditionalFields)
{
if (IsNumeric(field.Value))
{
messageJson[$"_{field.Key}"] = JToken.FromObject(field.Value);
}
else
{
messageJson[$"_{field.Key}"] = field.Value?.ToString();
}
}
return(JsonConvert.SerializeObject(messageJson, Formatting.None, new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
}));
}
