| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.kerby.transport.udp; |
| |
| import org.apache.kerby.event.AbstractEventHandler; |
| import org.apache.kerby.event.Event; |
| import org.apache.kerby.event.EventType; |
| import org.apache.kerby.transport.Connector; |
| import org.apache.kerby.transport.event.AddressEvent; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.nio.channels.DatagramChannel; |
| import java.nio.channels.SelectionKey; |
| |
| public class UdpConnector extends Connector { |
| |
| public UdpConnector() { |
| this(new UdpTransportHandler()); |
| } |
| |
| public UdpConnector(UdpTransportHandler transportHandler) { |
| super(transportHandler); |
| |
| setEventHandler(new AbstractEventHandler() { |
| @Override |
| protected void doHandle(Event event) throws Exception { |
| if (event.getEventType() == UdpEventType.ADDRESS_CONNECT) { |
| doConnect((AddressEvent) event); |
| } |
| } |
| |
| @Override |
| public EventType[] getInterestedEvents() { |
| return new EventType[] { |
| UdpEventType.ADDRESS_CONNECT |
| }; |
| } |
| }); |
| } |
| |
| @Override |
| protected void doConnect(InetSocketAddress sa) { |
| AddressEvent event = UdpAddressEvent.createAddressConnectEvent(sa); |
| dispatch(event); |
| } |
| |
| private void doConnect(AddressEvent event) throws IOException { |
| InetSocketAddress address = event.getAddress(); |
| DatagramChannel channel = DatagramChannel.open(); |
| channel.configureBlocking(false); |
| channel.connect(address); |
| |
| channel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE); |
| |
| UdpTransport transport = new UdpTransport(channel, address); |
| onNewTransport(transport); |
| } |
| } |