public virtual void TestGetMetricsAndJmx()
{
// create test source with a single metric counter of value 0
TestMetricsSourceAdapter.TestSource source = new TestMetricsSourceAdapter.TestSource
("test");
MetricsSourceBuilder sb = MetricsAnnotations.NewSourceBuilder(source);
MetricsSource s = sb.Build();
IList <MetricsTag> injectedTags = new AList <MetricsTag>();
MetricsSourceAdapter sa = new MetricsSourceAdapter("test", "test", "test desc", s
, injectedTags, null, null, 1, false);
// all metrics are initially assumed to have changed
MetricsCollectorImpl builder = new MetricsCollectorImpl();
IEnumerable <MetricsRecordImpl> metricsRecords = sa.GetMetrics(builder, true);
// Validate getMetrics and JMX initial values
MetricsRecordImpl metricsRecord = metricsRecords.GetEnumerator().Next();
Assert.Equal(0L, metricsRecord.Metrics().GetEnumerator().Next(
).Value());
Thread.Sleep(100);
// skip JMX cache TTL
Assert.Equal(0L, (Number)sa.GetAttribute("C1"));
// change metric value
source.IncrementCnt();
// validate getMetrics and JMX
builder = new MetricsCollectorImpl();
metricsRecords = sa.GetMetrics(builder, true);
metricsRecord = metricsRecords.GetEnumerator().Next();
Assert.True(metricsRecord.Metrics().GetEnumerator().HasNext());
Thread.Sleep(100);
// skip JMX cache TTL
Assert.Equal(1L, (Number)sa.GetAttribute("C1"));
}
public virtual void TestPurgeOldMetrics()
{
// create test source with a single metric counter of value 1
TestMetricsSourceAdapter.PurgableSource source = new TestMetricsSourceAdapter.PurgableSource
(this);
MetricsSourceBuilder sb = MetricsAnnotations.NewSourceBuilder(source);
MetricsSource s = sb.Build();
IList <MetricsTag> injectedTags = new AList <MetricsTag>();
MetricsSourceAdapter sa = new MetricsSourceAdapter("tst", "tst", "testdesc", s, injectedTags
, null, null, 1, false);
MBeanInfo info = sa.GetMBeanInfo();
bool sawIt = false;
foreach (MBeanAttributeInfo mBeanAttributeInfo in info.GetAttributes())
{
sawIt |= mBeanAttributeInfo.GetName().Equals(source.lastKeyName);
}
Assert.True("The last generated metric is not exported to jmx",
sawIt);
Thread.Sleep(1000);
// skip JMX cache TTL
info = sa.GetMBeanInfo();
sawIt = false;
foreach (MBeanAttributeInfo mBeanAttributeInfo_1 in info.GetAttributes())
{
sawIt |= mBeanAttributeInfo_1.GetName().Equals(source.lastKeyName);
}
Assert.True("The last generated metric is not exported to jmx",
sawIt);
}
private void RegisterSystemSource()
{
MetricsConfig sysConf = sourceConfigs[MsName];
sysSource = new MetricsSourceAdapter(prefix, MsStatsName, MsStatsDesc, MetricsAnnotations
.MakeSource(this), injectedTags, period, sysConf == null ? ((MetricsConfig)config
.Subset(SourceKey)) : sysConf);
sysSource.Start();
}
private void SnapshotMetrics(MetricsSourceAdapter sa, MetricsBufferBuilder bufferBuilder
)
{
long startTime = Time.Now();
bufferBuilder.Add(sa.Name(), sa.GetMetrics(collector, true));
collector.Clear();
snapshotStat.Add(Time.Now() - startTime);
Log.Debug("Snapshotted source " + sa.Name());
}
private void StopSources()
{
lock (this)
{
foreach (KeyValuePair <string, MetricsSourceAdapter> entry in sources)
{
MetricsSourceAdapter sa = entry.Value;
Log.Debug("Stopping metrics source " + entry.Key + ": class=" + sa.Source().GetType
());
sa.Stop();
}
sysSource.Stop();
sources.Clear();
}
}
internal virtual void RegisterSource(string name, string desc, MetricsSource source
)
{
lock (this)
{
Preconditions.CheckNotNull(config, "config");
MetricsConfig conf = sourceConfigs[name];
MetricsSourceAdapter sa = conf != null ? new MetricsSourceAdapter(prefix, name, desc
, source, injectedTags, period, conf) : new MetricsSourceAdapter(prefix, name, desc
, source, injectedTags, period, ((MetricsConfig)config.Subset(SourceKey)));
sources[name] = sa;
sa.Start();
Log.Debug("Registered source " + name);
}
}
public virtual void TestRegisterSourceWithoutName()
{
MetricsSystem ms = new MetricsSystemImpl();
TestMetricsSystemImpl.TestSource ts = new TestMetricsSystemImpl.TestSource("ts");
TestMetricsSystemImpl.TestSource2 ts2 = new TestMetricsSystemImpl.TestSource2("ts2"
);
ms.Register(ts);
ms.Register(ts2);
ms.Init("TestMetricsSystem");
// if metrics source is registered without name,
// the class name will be used as the name
MetricsSourceAdapter sa = ((MetricsSystemImpl)ms).GetSourceAdapter("TestSource");
NUnit.Framework.Assert.IsNotNull(sa);
MetricsSourceAdapter sa2 = ((MetricsSystemImpl)ms).GetSourceAdapter("TestSource2"
);
NUnit.Framework.Assert.IsNotNull(sa2);
ms.Shutdown();
}
public virtual void TestStartStopStart()
{
DefaultMetricsSystem.Shutdown();
// Clear pre-existing source names.
MetricsSystemImpl ms = new MetricsSystemImpl("test");
TestMetricsSystemImpl.TestSource ts = new TestMetricsSystemImpl.TestSource("ts");
ms.Start();
ms.Register("ts", string.Empty, ts);
MetricsSourceAdapter sa = ms.GetSourceAdapter("ts");
NUnit.Framework.Assert.IsNotNull(sa);
NUnit.Framework.Assert.IsNotNull(sa.GetMBeanName());
ms.Stop();
ms.Shutdown();
ms.Start();
sa = ms.GetSourceAdapter("ts");
NUnit.Framework.Assert.IsNotNull(sa);
NUnit.Framework.Assert.IsNotNull(sa.GetMBeanName());
ms.Stop();
ms.Shutdown();
}
