private void cacheApiIfAnnotationNotPresent(
Annotation[] annotations, MethodDescriptor descriptor) {
Annotation annotation = TypeUtils.findAnnotation(annotations, NoCache.class);
if (annotation == null) {
traceContext.cacheApi(descriptor);
}
}
@Override
public void before(Object target, Object[] args) {
if (isDebug) {
logger.beforeInterceptor(target, args);
}
if (target instanceof TServiceClient) {
TServiceClient client = (TServiceClient) target;
TProtocol oprot = client.getOutputProtocol();
TTransport transport = oprot.getTransport();
final Trace trace = traceContext.currentRawTraceObject();
if (trace == null) {
return;
}
ThriftRequestProperty parentTraceInfo = new ThriftRequestProperty();
final boolean shouldSample = trace.canSampled();
if (!shouldSample) {
if (isDebug) {
logger.debug("set Sampling flag=false");
}
parentTraceInfo.setShouldSample(shouldSample);
} else {
SpanEventRecorder recorder = trace.traceBlockBegin();
recorder.recordServiceType(ThriftConstants.THRIFT_CLIENT);
// retrieve connection information
String remoteAddress = ThriftConstants.UNKNOWN_ADDRESS;
if (transport instanceof SocketFieldAccessor) {
Socket socket = ((SocketFieldAccessor) transport)._$APM$_getSocket();
if (socket != null) {
remoteAddress = ThriftUtils.getHostPort(socket.getRemoteSocketAddress());
}
} else {
if (isDebug) {
logger.debug(
"Invalid target object. Need field accessor({}).",
SocketFieldAccessor.class.getName());
}
}
recorder.recordDestinationId(remoteAddress);
String methodName = ThriftConstants.UNKNOWN_METHOD_NAME;
if (args[0] instanceof String) {
methodName = (String) args[0];
}
String serviceName = ThriftUtils.getClientServiceName(client);
String thriftUrl = getServiceUrl(remoteAddress, serviceName, methodName);
recorder.recordAttribute(ThriftConstants.THRIFT_URL, thriftUrl);
TraceId nextId = trace.getTraceId().getNextTraceId();
recorder.recordNextSpanId(nextId.getSpanId());
parentTraceInfo.setTraceId(nextId.getTransactionId());
parentTraceInfo.setSpanId(nextId.getSpanId());
parentTraceInfo.setParentSpanId(nextId.getParentSpanId());
parentTraceInfo.setFlags(nextId.getFlags());
parentTraceInfo.setParentApplicationName(traceContext.getApplicationName());
parentTraceInfo.setParentApplicationType(traceContext.getServerTypeCode());
parentTraceInfo.setAcceptorHost(remoteAddress);
}
InterceptorGroupInvocation currentTransaction = this.group.getCurrentInvocation();
currentTransaction.setAttachment(parentTraceInfo);
}
}