public MetricsReporterActor(PcfMetricForwarderSettings settings)
{
_settings = settings;
PendingMessages = new List <PcfMetricRecording>(_settings.MaximumBatchSize);
_transmitter = new PcfHttpApiTransmitter(new HttpClient(), _settings);
Batching();
}
public void Serialize(Stream stream, PcfMetricRecording metric, PcfMetricForwarderSettings settings)
{
using (var writer = new JsonTextWriter(new StreamWriter(stream, Encoding.Default, 2048, true)))
{
WriteHeaders(writer, settings);
MetricToJson(writer, ref metric);
CloseHeaders(writer);
}
}
public PcfHttpApiTransmitter(HttpClient client, PcfMetricForwarderSettings settings)
{
_settings = settings;
_client = client;
// NOTE: PCF requires a non-standard Authorization header - not allowed to prefix it with an authentication scheme
_client.DefaultRequestHeaders.TryAddWithoutValidation("Authorization", _settings.Credentials.AccessKey);
_timeout = settings.PcfHttpTimeout;
}
public void Serialize(Stream stream, IEnumerable <PcfMetricRecording> metrics,
PcfMetricForwarderSettings settings)
{
using (var writer = new JsonTextWriter(new StreamWriter(stream, Encoding.Default, 2048, true)))
{
WriteHeaders(writer, settings);
foreach (var m in metrics)
{
var metric = m; // compiler ceremony
MetricToJson(writer, ref metric);
}
CloseHeaders(writer);
}
}
public void ShouldRecordMetricsWithSuffixesByDefault()
{
var settings = PcfMetricForwarderSettings.FromEnvironment();
var counterActor = Sys.ActorOf(Props.Create(() => new CounterAggregator(TestActor, settings.TimeProvider)),
"counter");
var pcfRecorder = new PcfMetricRecorder(settings, TestActor, counterActor);
pcfRecorder.RecordGauge("foo", 1.0d);
// gauges never have suffixes
ExpectMsg <PcfMetricRecording>().Name.Should().Be("foo");
// timings do
pcfRecorder.RecordTiming("foo", 1000);
ExpectMsg <PcfMetricRecording>().Name.Should().Be("foo.duration");
}
private static void WriteHeaders(JsonTextWriter writer, PcfMetricForwarderSettings settings)
{
writer.WriteStartObject();
writer.WritePropertyName(Applications);
writer.WriteStartArray();
writer.WriteStartObject();
writer.WritePropertyName(ApplicationId);
writer.WriteValue(settings.Identity.AppId);
writer.WritePropertyName(Instances);
writer.WriteStartArray();
writer.WriteStartObject();
writer.WritePropertyName(InstanceId);
writer.WriteValue(settings.Identity.InstanceId);
writer.WritePropertyName(InstanceIndex);
writer.WriteValue(settings.Identity.InstanceIndex.ToString());
writer.WritePropertyName(Metrics);
writer.WriteStartArray();
}
