/*
* Copyright 2015 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.thrift.interceptor.transport.wrapper;
import java.net.Socket;
import org.apache.thrift.transport.TTransport;
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.thrift.field.accessor.SocketFieldAccessor;
/**
* @author HyunGil Jeong
*/
public abstract class WrappedTTransportConstructInterceptor implements AroundInterceptor {
private final PLogger logger = PLoggerFactory.getLogger(this.getClass());
private final boolean isDebug = logger.isDebugEnabled();
@Override
public final void before(Object target, Object[] args) {
// Do nothing
}
@Override
public final void after(Object target, Object[] args, Object result, Throwable throwable) {
if (validateTransport(target)) {
TTransport wrappedTransport = getWrappedTransport(args);
if (validateTransport(wrappedTransport)) {
Socket socket = ((SocketFieldAccessor)wrappedTransport)._$PINPOINT$_getSocket();
((SocketFieldAccessor)target)._$PINPOINT$_setSocket(socket);
}
}
}
protected abstract TTransport getWrappedTransport(Object[] args);
private boolean validateTransport(Object transport) {
if (transport instanceof TTransport) {
return validateTransport((TTransport)transport);
}
return false;
}
private boolean validateTransport(TTransport transport) {
if (!(transport instanceof SocketFieldAccessor)) {
if (isDebug) {
logger.debug("Invalid target object. Need field accessor({}).", SocketFieldAccessor.class.getName());
}
return false;
}
return true;
}
}