org.red5.server.net.proxy.NetworkDumpFilter Maven / Gradle / Ivy
/*
* RED5 Open Source Media Server - https://github.com/Red5/
*
* Copyright 2006-2016 by respective authors (see below). All rights reserved.
*
* 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 org.red5.server.net.proxy;
import java.nio.channels.WritableByteChannel;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.filterchain.IoFilterAdapter;
import org.apache.mina.core.session.IoSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Network dump filter, performs raw data and headers dump on message receive
*/
public class NetworkDumpFilter extends IoFilterAdapter {
protected static Logger log = LoggerFactory.getLogger(ProxyFilter.class);
/**
* Raw data byte channel
*/
protected WritableByteChannel raw;
/**
* Headers byte channel
*/
protected WritableByteChannel headers;
/**
* Create network dump filter from given dump channels
*
* @param headers
* Channel to dump headers
* @param raw
* Channel to dump raw data
*/
public NetworkDumpFilter(WritableByteChannel headers, WritableByteChannel raw) {
this.raw = raw;
this.headers = headers;
}
/** {@inheritDoc} */
@Override
public void messageReceived(NextFilter next, IoSession session, Object message) throws Exception {
if (message instanceof IoBuffer) {
IoBuffer out = (IoBuffer) message;
if (headers != null) {
IoBuffer header = IoBuffer.allocate(12);
header.putLong(System.currentTimeMillis());
header.putInt(out.limit() - out.position());
header.flip();
headers.write(header.buf());
}
if (raw != null) {
raw.write(out.asReadOnlyBuffer().buf());
}
}
next.messageReceived(session, message);
}
/** {@inheritDoc} */
@Override
public void sessionClosed(NextFilter next, IoSession session) throws Exception {
if (headers.isOpen()) {
headers.close();
}
if (raw.isOpen()) {
raw.close();
}
next.sessionClosed(session);
}
}