/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* or http://forgerock.org/license/CDDLv1.0.html.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2013 ForgeRock AS
*/
package org.opends.server.protocols.http;
import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.Connection;
import org.glassfish.grizzly.http.HttpProbe;
/**
* Probe that collect some statistics on the HTTP server: bytes read and bytes
* written to the HTTP connection. We are using
* {@link #onDataReceivedEvent(Connection, Buffer)} and
* {@link #onDataSentEvent(Connection, Buffer)} because they are the only ones
* that really output the number of bytes sent on the wire, including data
* formatting for the HTTP protocol (chunk size, etc.).
* <p>
* Use
* <code>curl "http://localhost:8080/users?_queryFilter=true&_prettyPrint=true"
* --trace-ascii output.txt</code> to trace the client-server communication.
* </p>
*/
@SuppressWarnings("rawtypes")
final class HTTPStatsProbe extends HttpProbe.Adapter
{
private final HTTPStatistics statTracker;
/**
* Constructs and object from this class.
*
* @param statTracker
* the statistic tracker
*/
public HTTPStatsProbe(HTTPStatistics statTracker)
{
this.statTracker = statTracker;
}
/** {@inheritDoc} */
@Override
public void onDataSentEvent(Connection connection, Buffer buffer)
{
this.statTracker.updateBytesWritten(buffer.limit());
}
/** {@inheritDoc} */
@Override
public void onDataReceivedEvent(Connection connection, Buffer buffer)
{
this.statTracker.updateBytesRead(buffer.limit());
}
}