/*
* Copyright 2016 NAVER Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.plugin.vertx.interceptor;
import com.navercorp.pinpoint.bootstrap.async.AsyncTraceIdAccessor;
import com.navercorp.pinpoint.bootstrap.context.AsyncTraceId;
import com.navercorp.pinpoint.bootstrap.context.MethodDescriptor;
import com.navercorp.pinpoint.bootstrap.context.SpanEventRecorder;
import com.navercorp.pinpoint.bootstrap.context.Trace;
import com.navercorp.pinpoint.bootstrap.context.TraceContext;
import com.navercorp.pinpoint.bootstrap.interceptor.AroundInterceptor;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.plugin.vertx.VertxConstants;
/**
* @author jaehong.kim
*/
public class VertxImplExecuteBlockingInterceptor implements AroundInterceptor {
private final PLogger logger = PLoggerFactory.getLogger(this.getClass());
private final boolean isDebug = logger.isDebugEnabled();
private TraceContext traceContext;
private MethodDescriptor descriptor;
public VertxImplExecuteBlockingInterceptor(final TraceContext traceContext, final MethodDescriptor methodDescriptor) {
this.traceContext = traceContext;
this.descriptor = methodDescriptor;
}
@Override
public void before(Object target, Object[] args) {
if (isDebug) {
logger.beforeInterceptor(target, args);
}
Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
final SpanEventRecorder recorder = trace.traceBlockBegin();
if (validate(args, 0) || validate(args, 2)) {
// make asynchronous trace-id
final AsyncTraceId asyncTraceId = trace.getAsyncTraceId();
recorder.recordNextAsyncId(asyncTraceId.getAsyncId());
if (validate(args, 0)) {
// args 0 'io.vertx.core.Handler'
((AsyncTraceIdAccessor) args[0])._$PINPOINT$_setAsyncTraceId(asyncTraceId);
}
if (validate(args, 2)) {
// args 2 'io.vertx.core.Handler'
((AsyncTraceIdAccessor) args[2])._$PINPOINT$_setAsyncTraceId(asyncTraceId);
}
if (isDebug) {
logger.debug("Set asyncTraceId metadata {}", asyncTraceId);
}
}
}
private boolean validate(final Object[] args, final int argPosition) {
if (args == null || args.length < 3) {
if (isDebug) {
logger.debug("Invalid args object. args={}.", args);
}
return false;
}
if (!(args[argPosition] instanceof AsyncTraceIdAccessor)) {
if (isDebug) {
logger.debug("Invalid args[{}] object. Need metadata accessor({}).", argPosition, AsyncTraceIdAccessor.class.getName());
}
return false;
}
return true;
}
@Override
public void after(Object target, Object[] args, Object result, Throwable throwable) {
if (isDebug) {
logger.afterInterceptor(target, args, result, throwable);
}
Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
try {
final SpanEventRecorder recorder = trace.currentSpanEventRecorder();
recorder.recordApi(this.descriptor);
recorder.recordServiceType(VertxConstants.VERTX_INTERNAL);
recorder.recordException(throwable);
} finally {
trace.traceBlockEnd();
}
}
}