/*
* Copyright 2011 Thomas Bocek
*
* 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 net.tomp2p.examples;
import java.net.InetAddress;
import java.util.Random;
import net.tomp2p.futures.FutureDiscover;
import net.tomp2p.nat.FutureNAT;
import net.tomp2p.nat.FutureRelayNAT;
import net.tomp2p.nat.PeerBuilderNAT;
import net.tomp2p.nat.PeerNAT;
import net.tomp2p.p2p.Peer;
import net.tomp2p.p2p.PeerBuilder;
import net.tomp2p.peers.Number160;
import net.tomp2p.peers.PeerAddress;
public class ExampleNAT {
private final static int PORT_SERVER = 4000;
private final static int PORT_CLIENT = 4000;
public static void startServer() throws Exception {
Random r = new Random(42L);
Peer peer = new PeerBuilder(new Number160(r)).ports(PORT_SERVER).start();
System.out.println("peer started.");
for (;;) {
for (PeerAddress pa : peer.peerBean().peerMap().all()) {
System.out.println("peer online (TCP):" + pa);
}
Thread.sleep(2000);
}
}
public static void main(String[] args) throws Exception {
if (args.length > 0) {
startClientNAT(args[0]);
} else {
startServer();
}
}
public static void startClientNAT(String ip) throws Exception {
Random r = new Random(43L);
Peer peer = new PeerBuilder(new Number160(r)).ports(PORT_CLIENT).behindFirewall().start();
PeerNAT peerNAT = new PeerBuilderNAT(peer).start();
PeerAddress pa = new PeerAddress(Number160.ZERO, InetAddress.getByName(ip), PORT_SERVER, PORT_SERVER);
FutureDiscover fd = peer.discover().peerAddress(pa).start();
FutureNAT fn = peerNAT.startSetupPortforwarding(fd);
FutureRelayNAT frn = peerNAT.startRelay(fd, fn);
frn.awaitUninterruptibly();
if (fd.isSuccess()) {
System.out.println("found that my outside address is " + fd.peerAddress());
} else {
System.out.println("failed " + fd.failedReason());
}
if (fn.isSuccess()) {
System.out.println("NAT success: " + fn.peerAddress());
} else {
System.out.println("failed " + fn.failedReason());
}
peer.shutdown();
}
}