use of com.newrelic.agent.tracers.OtherRootTracer in project newrelic-java-agent by newrelic.
the class JsonTracer method generateRootBackgroundTracer.
private DefaultTracer generateRootBackgroundTracer(Long initTime) {
long time = getStartTime(initTime);
ClassMethodSignature sig = new ClassMethodSignature("clazz", tracerName, "()");
Object reference = new Object();
int flags = TracerFlags.DISPATCHER;
if (startTimeNs != 0) {
flags = TracerFlags.ASYNC;
}
DefaultTracer tracer = new OtherRootTracer(Transaction.getTransaction().getTransactionActivity(), sig, reference, new ClassMethodMetricNameFormat(sig, reference), flags, time);
Transaction.getTransaction().getTransactionActivity().tracerStarted(tracer);
return tracer;
}
use of com.newrelic.agent.tracers.OtherRootTracer in project newrelic-java-agent by newrelic.
the class InstrumentationImpl method oldCreateTracer.
// This code path is similar to the 3.16.1 and earlier tracer creation path. It is retained for use by legacy async
// instrumentation: Play1 and async servlet 3.0 instrumentation. The key difference from the "fast path" is that
// this path switches on the TransactionState during creation.
private ExitTracer oldCreateTracer(TransactionActivity txa, Object invocationTarget, int signatureId, String metricName, int flags) {
// oldCreateTracer behavior below.
if (txa == null) {
AgentBridge.TokenAndRefCount tokenAndRefCount = AgentBridge.activeToken.get();
if (tokenAndRefCount != null && tokenAndRefCount.token != null) {
// Fast path for scala instrumentation (and potentially others in the future)
Transaction tx = Transaction.getTransaction(false);
if (tx == null) {
if (tokenAndRefCount.token.getTransaction() instanceof Transaction) {
tx = (Transaction) tokenAndRefCount.token.getTransaction();
} else {
return null;
}
}
txa = TransactionActivity.create(tx, Integer.MAX_VALUE);
flags = flags | TracerFlags.ASYNC;
ClassMethodSignature sig = ClassMethodSignatures.get().get(signatureId);
MetricNameFormat mnf = MetricNameFormats.getFormatter(invocationTarget, sig, metricName, flags);
Tracer tracer;
if (TracerFlags.isRoot(flags)) {
// Dispatcher || Async
tracer = new OtherRootTracer(txa, sig, invocationTarget, mnf, flags);
} else {
tracer = new DefaultTracer(txa, sig, invocationTarget, mnf, flags);
}
txa.tracerStarted(tracer);
Tracer initiatingTracer = (Tracer) tokenAndRefCount.tracedMethod.getAndSet(tracer);
tx.startFastAsyncWork(txa, initiatingTracer);
return noticeTracer(signatureId, flags, tracer);
} else if (TracerFlags.isAsync(flags)) {
txa = TransactionActivity.create(null, Integer.MAX_VALUE);
return startTracer(txa, invocationTarget, signatureId, metricName, flags);
}
}
// Avoid creating tracers for NoOpTransaction, etc.
com.newrelic.agent.Transaction transaction = com.newrelic.agent.Transaction.getTransaction(TracerFlags.isDispatcher(flags));
if (transaction == null) {
return null;
}
try {
if (!TracerFlags.isDispatcher(flags) && !transaction.isStarted()) {
// if we're not in a transaction and this isn't a dispatcher tracer, bail before we create objects
return noticeTracer(signatureId, flags, null);
}
if (transaction.getTransactionActivity().isLeaf()) {
return null;
}
ClassMethodSignature sig = ClassMethodSignatures.get().get(signatureId);
return transaction.getTransactionState().getTracer(transaction, invocationTarget, sig, metricName, flags);
} catch (Throwable t) {
logger.log(Level.FINEST, t, "createTracer({0}, {1}, {2}, {3})", invocationTarget, signatureId, metricName, flags);
return null;
}
}
use of com.newrelic.agent.tracers.OtherRootTracer in project newrelic-java-agent by newrelic.
the class InstrumentationImpl method createTracer.
/**
* Optimized createTracer call for weaved and XML instrumentation. We do not know if either a TransactionActivity or
* a Transaction is present on the thread. If present, we do not know if the Transaction has been started.
*/
@Override
public ExitTracer createTracer(Object invocationTarget, int signatureId, String metricName, int flags) {
try {
if (ServiceFactory.getServiceManager().isStopped()) {
return null;
}
if (ServiceFactory.getServiceManager().getCircuitBreakerService().isTripped()) {
return null;
}
TransactionActivity txa = TransactionActivity.get();
if (txa != null) {
if (txa.getRootTracer() != null && txa.getRootTracer().isAsync() && txa.getTransaction() == null) {
txa = null;
}
}
if (!Agent.canFastPath()) {
// legacy async instrumentation is in use
return oldCreateTracer(txa, invocationTarget, signatureId, metricName, flags);
}
if (txa == null) {
AgentBridge.TokenAndRefCount tokenAndRefCount = AgentBridge.activeToken.get();
if (tokenAndRefCount != null && tokenAndRefCount.token != null) {
// Fast path for scala instrumentation (and potentially others in the future)
Transaction tx = Transaction.getTransaction(false);
if (tx == null) {
if (tokenAndRefCount.token.getTransaction() instanceof Transaction) {
tx = (Transaction) tokenAndRefCount.token.getTransaction();
} else {
return null;
}
}
txa = TransactionActivity.create(tx, Integer.MAX_VALUE);
flags = flags | TracerFlags.ASYNC;
ClassMethodSignature sig = ClassMethodSignatures.get().get(signatureId);
MetricNameFormat mnf = MetricNameFormats.getFormatter(invocationTarget, sig, metricName, flags);
Tracer tracer;
if (TracerFlags.isRoot(flags)) {
// Dispatcher || Async
tracer = new OtherRootTracer(txa, sig, invocationTarget, mnf, flags);
} else {
tracer = new DefaultTracer(txa, sig, invocationTarget, mnf, flags);
}
txa.tracerStarted(tracer);
Tracer initiatingTracer = (Tracer) AgentBridge.activeToken.get().tracedMethod.getAndSet(tracer);
tx.startFastAsyncWork(txa, initiatingTracer);
return noticeTracer(signatureId, flags, tracer);
} else if (TracerFlags.isDispatcher(flags)) {
// Traditional first-time creation of a new transaction
com.newrelic.agent.Transaction.getTransaction(true);
txa = TransactionActivity.get();
} else if (TracerFlags.isAsync(flags)) {
// Create a transaction activity without a transaction
txa = TransactionActivity.create(null, Integer.MAX_VALUE);
}
if (txa == null) {
// or we are running on an Agent thread.
return noticeTracer(signatureId, flags, null);
}
return noticeTracer(signatureId, flags, startTracer(txa, invocationTarget, signatureId, metricName, flags));
}
// traditional tracer creation code, we check it before creating any objects.
if (!TracerFlags.isRoot(flags) && !txa.isStarted()) {
return noticeTracer(signatureId, flags, null);
}
Tracer result = null;
if (txa.checkTracerStart()) {
try {
ClassMethodSignature sig = ClassMethodSignatures.get().get(signatureId);
// Metric naming. When we come here from an @Trace that doesn't specify a metric name, a
// very common case, getFormatter() will return one of a couple of reusable instances of
// MetricNameFormat, so we avoid proliferating small objects. But when we come here from
// XML instrumentation, getFormatter() is forced to create a new MNF instance every time.
// This proved to be messy to optimize, so unfortunately has been left as-is. 2015-05.
MetricNameFormat mnf = MetricNameFormats.getFormatter(invocationTarget, sig, metricName, flags);
if (TracerFlags.isDispatcher(flags) || (TracerFlags.isAsync(flags) && txa.getTransaction() != null && !txa.isStarted())) {
result = new OtherRootTracer(txa, sig, invocationTarget, mnf);
} else {
result = new DefaultTracer(txa, sig, invocationTarget, mnf, flags);
}
} finally {
txa.unlockTracerStart();
}
txa.tracerStarted(result);
}
return noticeTracer(signatureId, flags, result);
} catch (Throwable t) {
logger.log(Level.FINEST, t, "createTracer({0}, {1}, {2}, {3})", invocationTarget, signatureId, metricName, flags);
return null;
}
}
use of com.newrelic.agent.tracers.OtherRootTracer in project newrelic-java-agent by newrelic.
the class AgentImplTest method testAsyncTracerShouldNotStartTxn.
@Test
public void testAsyncTracerShouldNotStartTxn() {
TransactionActivity txa = TransactionActivity.create(null, 0);
ClassMethodSignature sig = new ClassMethodSignature("class", "method", "methodDesc");
OtherRootTracer tracer = new OtherRootTracer(txa, sig, null, null, TracerFlags.ASYNC, System.nanoTime());
txa.tracerStarted(tracer);
Transaction txn = agentImpl.getTransaction();
Assert.assertTrue(txn instanceof NoOpTransaction);
Assert.assertFalse(txn instanceof com.newrelic.agent.Transaction);
}
use of com.newrelic.agent.tracers.OtherRootTracer in project newrelic-java-agent by newrelic.
the class WebRequestDispatcherTest method createDispatcher.
private WebRequestDispatcher createDispatcher(MockHttpRequest httpRequest) throws Exception {
Transaction tx = Transaction.getTransaction();
Response httpResponse = new MockHttpResponse();
ClassMethodSignature sig = new ClassMethodSignature(getClass().getName(), "methodName", "()V");
DefaultTracer tracer = new OtherRootTracer(tx, sig, this, new SimpleMetricNameFormat("test"));
tx.getTransactionActivity().tracerStarted(tracer);
WebRequestDispatcher dispatcher = new WebRequestDispatcher(httpRequest, httpResponse, tx);
tx.setDispatcher(dispatcher);
return dispatcher;
}
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