/*
* Copyright 2014 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.arcus.interceptor;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import com.navercorp.pinpoint.bootstrap.interceptor.annotation.Scope;
import net.spy.memcached.MemcachedNode;
import net.spy.memcached.ops.Operation;
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.TraceContext;
import com.navercorp.pinpoint.bootstrap.interceptor.SpanAsyncEventSimpleAroundInterceptor;
import com.navercorp.pinpoint.plugin.arcus.ArcusConstants;
import com.navercorp.pinpoint.plugin.arcus.OperationAccessor;
import com.navercorp.pinpoint.plugin.arcus.ServiceCodeAccessor;
/**
* @author emeroad
* @author jaehong.kim
*/
@Scope(ArcusConstants.ARCUS_FUTURE_SCOPE)
public class FutureGetInterceptor extends SpanAsyncEventSimpleAroundInterceptor {
public FutureGetInterceptor(MethodDescriptor methodDescriptor, TraceContext traceContext) {
super(traceContext, methodDescriptor);
}
@Override
protected void doInBeforeTrace(SpanEventRecorder recorder, AsyncTraceId asyncTraceId, Object target, Object[] args) {
}
@Override
protected void doInAfterTrace(SpanEventRecorder recorder, Object target, Object[] args, Object result, Throwable throwable) {
recorder.recordApi(methodDescriptor);
recorder.recordDestinationId("MEMCACHED");
recorder.recordServiceType(ArcusConstants.MEMCACHED_FUTURE_GET);
if (!(target instanceof OperationAccessor)) {
logger.info("operation not found");
return;
}
// find the target node
final Operation op = ((OperationAccessor) target)._$PINPOINT$_getOperation();
if (op == null) {
logger.info("operation is null");
return;
}
recorder.recordException(op.getException());
final MemcachedNode handlingNode = op.getHandlingNode();
if (handlingNode != null) {
final String endPoint = getEndPoint(handlingNode);
if (endPoint != null) {
recorder.recordEndPoint(endPoint);
}
recorder.recordException(op.getException());
} else {
logger.info("no handling node");
}
if (op instanceof ServiceCodeAccessor) {
// determine the service type
String serviceCode = ((ServiceCodeAccessor) op)._$PINPOINT$_getServiceCode();
if (serviceCode != null) {
recorder.recordDestinationId(serviceCode);
recorder.recordServiceType(ArcusConstants.ARCUS_FUTURE_GET);
}
}
}
private String getEndPoint(MemcachedNode handlingNode) {
// TODO duplicated code : ApiInterceptor, FutureGetInterceptor
final SocketAddress socketAddress = handlingNode.getSocketAddress();
if (socketAddress instanceof InetSocketAddress) {
final InetSocketAddress inetSocketAddress = (InetSocketAddress) socketAddress;
final String hostAddress = getHostAddress(inetSocketAddress);
if (hostAddress == null) {
// TODO return "Unknown Host";
logger.debug("hostAddress is null");
return null;
}
return hostAddress + ":" + inetSocketAddress.getPort();
} else {
if (logger.isDebugEnabled()) {
logger.debug("invalid socketAddress:{}", socketAddress);
}
return null;
}
}
private String getHostAddress(InetSocketAddress inetSocketAddress) {
if (inetSocketAddress == null) {
return null;
}
// TODO JDK 1.7 InetSocketAddress.getHostString();
// Warning : Avoid unnecessary DNS lookup (warning:InetSocketAddress.getHostName())
final InetAddress inetAddress = inetSocketAddress.getAddress();
if (inetAddress == null) {
return null;
}
return inetAddress.getHostAddress();
}
}