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