/**
* Checks for Benchmark Tags. If there are not tags events are passed through. If there are, there
* are three kinds - 'start' which instantiates a benchmark; 'first' which starts a benchmark; and
* 'stop' which ends a benchmark. These are consumed by this decorator.
*/
@Override
public void append(Event e) throws IOException, InterruptedException {
byte[] bench = e.get(BenchmarkInjectDecorator.ATTR_BENCHMARK);
if (bench == null) {
// This is the normal case -- a regular message
getSink().append(e);
return;
}
// All of these messages are silently consumed and not forwarded
byte[] tagbytes = e.get(BenchmarkInjectDecorator.ATTR_BENCHMARK_TAG);
Preconditions.checkNotNull(tagbytes);
String tag = new String(tagbytes, CharEncUtils.RAW);
if (Arrays.equals(bench, BenchmarkInjectDecorator.BENCH_START)) {
StringWriter out = new StringWriter();
PrintWriter pw = new PrintWriter(out);
Benchmark b = new Benchmark(tag, pw, pw);
b.mark("benchmarkStart");
benchmarks.put(tag, new Pair<Benchmark, StringWriter>(b, out));
} else if (Arrays.equals(bench, BenchmarkInjectDecorator.BENCH_FIRST)) {
Benchmark b = benchmarks.get(tag).getLeft();
b.mark("benchmarkFirst");
} else if (Arrays.equals(bench, BenchmarkInjectDecorator.BENCH_STOP)) {
Benchmark b = benchmarks.get(tag).getLeft();
b.mark("benchmarkDone");
b.done();
ReportEvent rpt = getMetrics();
LOG.info(rpt.toText());
reportSink.append(rpt);
} else if (Arrays.equals(bench, BenchmarkInjectDecorator.BENCH_ERROR)) {
Benchmark b = benchmarks.get(tag).getLeft();
b.mark("benchmarkError");
b.done();
LOG.info(getMetrics().toText());
ReportEvent rpt = getMetrics();
LOG.info(rpt.toText());
reportSink.append(rpt);
} else {
String msg = "Unexpected Benchmark event type: " + tag;
LOG.error(msg);
throw new IllegalArgumentException(msg);
}
}
@Override
public void append(Event e) throws IOException, InterruptedException {
byte[] btyp = e.get(CheckpointDeco.ATTR_CK_TYPE);
if (btyp == null) {
super.append(e);
return;
}
byte[] btag = e.get(CheckpointDeco.ATTR_CK_TAG);
String k = new String(btag);
if (Arrays.equals(btyp, CheckpointDeco.CK_START)) {
listener.start(k);
return;
} else if (Arrays.equals(btyp, CheckpointDeco.CK_END)) {
listener.end(k);
return;
}
super.append(e);
}