public void Add(GraphitePoint point)
{
if (point == null)
{
return;
}
_points.Add(point);
}
/// <inheritdoc />
public async ValueTask WriteAsync(TextWriter textWriter, GraphitePoint point, bool writeTimestamp = true)
{
if (textWriter == null)
{
throw new ArgumentNullException(nameof(textWriter));
}
var hasPrevious = false;
var measurementWriter = new StringWriter();
var tagsDictionary = point.Tags.ToDictionary(GraphiteSyntax.EscapeName);
if (tagsDictionary.TryGetValue("app", out var appValue))
{
await measurementWriter.WriteAsync("app.");
await measurementWriter.WriteAsync(appValue);
hasPrevious = true;
}
if (tagsDictionary.TryGetValue("env", out var envValue))
{
if (hasPrevious)
{
await measurementWriter.WriteAsync(".");
}
await measurementWriter.WriteAsync("env.");
await measurementWriter.WriteAsync(envValue);
hasPrevious = true;
}
if (tagsDictionary.TryGetValue("server", out var serverValue))
{
if (hasPrevious)
{
await measurementWriter.WriteAsync(".");
}
await measurementWriter.WriteAsync("server.");
await measurementWriter.WriteAsync(serverValue);
hasPrevious = true;
}
if (tagsDictionary.TryGetValue("mtype", out var metricType) && !string.IsNullOrWhiteSpace(metricType))
{
if (hasPrevious)
{
await measurementWriter.WriteAsync(".");
}
await measurementWriter.WriteAsync(metricType);
hasPrevious = true;
}
if (point.Context.IsPresent())
{
if (hasPrevious)
{
await measurementWriter.WriteAsync(".");
}
await measurementWriter.WriteAsync(GraphiteSyntax.EscapeName(point.Context, true));
hasPrevious = true;
}
if (hasPrevious)
{
await measurementWriter.WriteAsync(".");
}
await measurementWriter.WriteAsync(GraphiteSyntax.EscapeName(point.Measurement, true));
var tags = tagsDictionary.Where(tag => !ExcludeTags.Contains(tag.Key));
foreach (var tag in tags)
{
await measurementWriter.WriteAsync('.');
await measurementWriter.WriteAsync(GraphiteSyntax.EscapeName(tag.Key));
await measurementWriter.WriteAsync('.');
await measurementWriter.WriteAsync(tag.Value);
}
await measurementWriter.WriteAsync('.');
var prefix = measurementWriter.ToString();
var utcTimestamp = point.UtcTimestamp ?? DateTime.UtcNow;
foreach (var f in point.Fields)
{
await textWriter.WriteAsync(prefix);
await textWriter.WriteAsync(GraphiteSyntax.EscapeName(f.Key));
await textWriter.WriteAsync(' ');
await textWriter.WriteAsync(GraphiteSyntax.FormatValue(f.Value));
await textWriter.WriteAsync(' ');
await textWriter.WriteAsync(GraphiteSyntax.FormatTimestamp(utcTimestamp));
await textWriter.WriteAsync('\n');
}
}
