139 lines
4.2 KiB
Java
139 lines
4.2 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.tribes.transport;
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import javax.management.ObjectName;
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import org.apache.catalina.tribes.Channel;
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import org.apache.catalina.tribes.ChannelException;
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import org.apache.catalina.tribes.ChannelMessage;
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import org.apache.catalina.tribes.ChannelSender;
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import org.apache.catalina.tribes.Member;
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import org.apache.catalina.tribes.jmx.JmxRegistry;
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import org.apache.catalina.tribes.transport.nio.PooledParallelSender;
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/**
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* Transmit message to other cluster members
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* Actual senders are created based on the replicationMode
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* type
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*/
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public class ReplicationTransmitter implements ChannelSender {
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private Channel channel;
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/**
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* the ObjectName of this Sender.
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*/
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private ObjectName oname = null;
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public ReplicationTransmitter() {
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}
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private MultiPointSender transport = new PooledParallelSender();
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public MultiPointSender getTransport() {
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return transport;
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}
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public void setTransport(MultiPointSender transport) {
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this.transport = transport;
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}
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// ------------------------------------------------------------- public
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/**
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* Send data to one member
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* @see org.apache.catalina.tribes.ChannelSender#sendMessage(org.apache.catalina.tribes.ChannelMessage, org.apache.catalina.tribes.Member[])
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*/
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@Override
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public void sendMessage(ChannelMessage message, Member[] destination) throws ChannelException {
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MultiPointSender sender = getTransport();
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sender.sendMessage(destination,message);
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}
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/**
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* start the sender and register transmitter mbean
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*
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* @see org.apache.catalina.tribes.ChannelSender#start()
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*/
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@Override
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public void start() throws java.io.IOException {
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getTransport().connect();
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// register jmx
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JmxRegistry jmxRegistry = JmxRegistry.getRegistry(channel);
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if (jmxRegistry != null) this.oname = jmxRegistry.registerJmx(",component=Sender", transport);
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}
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/**
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* stop the sender and deregister mbeans (transmitter, senders)
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*
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* @see org.apache.catalina.tribes.ChannelSender#stop()
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*/
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@Override
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public synchronized void stop() {
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getTransport().disconnect();
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if (oname != null) {
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JmxRegistry.getRegistry(channel).unregisterJmx(oname);
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oname = null;
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}
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channel = null;
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}
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/**
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* Call transmitter to check for sender socket status
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*
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* @see org.apache.catalina.ha.tcp.SimpleTcpCluster#backgroundProcess()
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*/
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@Override
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public void heartbeat() {
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if (getTransport()!=null) getTransport().keepalive();
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}
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/**
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* add new cluster member and create sender ( s. replicationMode) transfer
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* current properties to sender
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*
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* @see org.apache.catalina.tribes.ChannelSender#add(org.apache.catalina.tribes.Member)
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*/
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@Override
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public synchronized void add(Member member) {
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getTransport().add(member);
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}
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/**
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* remove sender from transmitter. ( deregister mbean and disconnect sender )
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*
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* @see org.apache.catalina.tribes.ChannelSender#remove(org.apache.catalina.tribes.Member)
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*/
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@Override
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public synchronized void remove(Member member) {
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getTransport().remove(member);
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}
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@Override
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public Channel getChannel() {
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return channel;
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}
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@Override
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public void setChannel(Channel channel) {
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this.channel = channel;
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}
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}
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