/*
* Copyright 2016 Pinpoint contributors and 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.jboss.interceptor;
import java.lang.reflect.Method;
import org.jboss.as.security.remoting.RemotingContext;
import org.jboss.remoting3.Connection;
import com.navercorp.pinpoint.bootstrap.context.MethodDescriptor;
import com.navercorp.pinpoint.bootstrap.context.SpanEventRecorder;
import com.navercorp.pinpoint.bootstrap.context.SpanRecorder;
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.jboss.JbossConstants;
import com.navercorp.pinpoint.plugin.jboss.MethodInvocationHandlerMethodDescriptor;
import com.navercorp.pinpoint.plugin.jboss.util.JbossUtility;
/**
* The Class MethodInvocationHandlerInterceptor.
*
* @author <a href="mailto:suraj.raturi89@gmail.com">Suraj Raturi</a>
*/
public class MethodInvocationHandlerInterceptor implements AroundInterceptor {
/** The Constant METHOD_INVOCATION_HANDLER_API_TAG. */
public static final MethodInvocationHandlerMethodDescriptor METHOD_INVOCATION_HANDLER_API_TAG = new MethodInvocationHandlerMethodDescriptor();
/** The logger. */
private final PLogger logger = PLoggerFactory.getLogger(this.getClass());
/** The is debug. */
private final boolean isDebug = logger.isDebugEnabled();
/** The method descriptor. */
private final MethodDescriptor methodDescriptor;
/** The trace context. */
private final TraceContext traceContext;
/**
* Instantiates a new invoke context interceptor.
*
* @param traceContext the trace context
* @param descriptor the descriptor
*/
public MethodInvocationHandlerInterceptor(final TraceContext traceContext, final MethodDescriptor descriptor) {
this.traceContext = traceContext;
this.methodDescriptor = descriptor;
traceContext.cacheApi(METHOD_INVOCATION_HANDLER_API_TAG);
}
/*
* (non-Javadoc)
*
* @see com.navercorp.pinpoint.bootstrap.interceptor.AroundInterceptor#before(java.lang.Object, java.lang.Object[])
*/
@Override
public void before(final Object target, final Object[] args) {
if (isDebug) {
logger.beforeInterceptor(target, args);
}
try {
final Trace trace = createTrace(target, args);
if (trace == null) {
return;
}
if (!trace.canSampled()) {
return;
}
final SpanEventRecorder recorder = trace.traceBlockBegin();
recorder.recordServiceType(JbossConstants.JBOSS_METHOD);
} catch (final Throwable th) {
if (logger.isWarnEnabled()) {
logger.warn("BEFORE. Caused:{}", th.getMessage(), th);
}
}
}
/**
* Creates the trace.
*
* @param target the target
* @param args the args
* @return the trace
*/
private Trace createTrace(final Object target, final Object[] args) {
final Method methodInvoked = (Method) args[2];
final StringBuilder methodNameBuilder = new StringBuilder();
if (methodInvoked != null) {
try {
final Class<?> declaringClass = methodInvoked.getDeclaringClass();
if (declaringClass != null) {
methodNameBuilder.append(declaringClass.getCanonicalName());
methodNameBuilder.append(".");
}
methodNameBuilder.append(methodInvoked.getName());
} catch (final Exception exception) {
logger.error("An error occurred while fetching method details", exception);
}
}
final Trace trace = traceContext.newTraceObject();
final Connection connection = RemotingContext.getConnection();
final String remoteAddress = JbossUtility.fetchRemoteAddress(connection);
if (trace.canSampled()) {
final SpanRecorder recorder = trace.getSpanRecorder();
recordRootSpan(recorder, methodNameBuilder.toString(), remoteAddress);
if (isDebug) {
logger.debug("Trace sampling is true, Recording trace. methodInvoked:{}, remoteAddress:{}", methodNameBuilder.toString(), remoteAddress);
}
} else {
if (isDebug) {
logger.debug("Trace sampling is false, Skip recording trace. methodInvoked:{}, remoteAddress:{}", methodNameBuilder.toString(), remoteAddress);
}
}
return trace;
}
/**
* Record root span.
*
* @param recorder the recorder
* @param rpcName the rpc name
* @param remoteAddress
*/
private void recordRootSpan(final SpanRecorder recorder, final String rpcName, final String remoteAddress) {
recorder.recordServiceType(JbossConstants.JBOSS);
recorder.recordRpcName(rpcName);
final String serverHostName = System.getProperty("jboss.host.name", "");
recorder.recordEndPoint(serverHostName);
recorder.recordRemoteAddress(remoteAddress);
recorder.recordApi(METHOD_INVOCATION_HANDLER_API_TAG);
}
/*
* (non-Javadoc)
*
* @see com.navercorp.pinpoint.bootstrap.interceptor.AroundInterceptor#after(java.lang.Object, java.lang.Object[],
* java.lang.Object, java.lang.Throwable)
*/
@Override
public void after(final Object target, final Object[] args, final Object result, final Throwable throwable) {
if (isDebug) {
logger.afterInterceptor(target, args, result, throwable);
}
final Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
if (!trace.canSampled()) {
traceContext.removeTraceObject();
return;
}
try {
final SpanEventRecorder recorder = trace.currentSpanEventRecorder();
recorder.recordApi(methodDescriptor);
recorder.recordException(throwable);
} catch (final Throwable th) {
if (logger.isWarnEnabled()) {
logger.warn("AFTER. Caused:{}", th.getMessage(), th);
}
} finally {
trace.traceBlockEnd();
trace.close();
traceContext.removeTraceObject();
}
}
}