io.undertow.examples.reverseproxy.ModClusterProxyServer Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.examples.reverseproxy;
import java.io.IOException;
import io.undertow.Undertow;
import io.undertow.examples.UndertowExample;
import io.undertow.server.HttpHandler;
import io.undertow.server.handlers.proxy.mod_cluster.MCMPConfig;
import io.undertow.server.handlers.proxy.mod_cluster.ModCluster;
import org.xnio.OptionMap;
import org.xnio.Xnio;
import org.xnio.XnioWorker;
/**
* @author Jean-Frederic Clere
*/
@UndertowExample("ModCluster Proxy Server")
public class ModClusterProxyServer {
/* the address and port to receive the MCMP elements */
static String chost = System.getProperty("io.undertow.examples.proxy.CADDRESS", "localhost");
static final int cport = Integer.parseInt(System.getProperty("io.undertow.examples.proxy.CPORT", "6666"));
/* the address and port to receive normal requests */
static String phost = System.getProperty("io.undertow.examples.proxy.ADDRESS", "localhost");
static final int pport = Integer.parseInt(System.getProperty("io.undertow.examples.proxy.PORT", "8000"));
public static void main(final String[] args) throws IOException {
final XnioWorker worker = Xnio.getInstance().createWorker(OptionMap.EMPTY);
final Undertow server;
final ModCluster modCluster = ModCluster.builder(worker).build();
try {
if (chost == null) {
// We are going to guess it.
chost = java.net.InetAddress.getLocalHost().getHostName();
System.out.println("Using: " + chost + ":" + cport);
}
modCluster.start();
// Create the proxy and mgmt handler
final HttpHandler proxy = modCluster.createProxyHandler();
final MCMPConfig config = MCMPConfig.webBuilder()
.setManagementHost(chost)
.setManagementPort(cport)
.enableAdvertise()
.getParent()
.build();
final HttpHandler mcmp = config.create(modCluster, proxy);
server = Undertow.builder()
.addHttpListener(cport, chost)
.addHttpListener(pport, phost)
.setHandler(mcmp)
.build();
server.start();
// Start advertising the mcmp handler
modCluster.advertise(config);
} catch (Exception e) {
e.printStackTrace();
}
}
}