| /** |
| * 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.transport.Transport; |
| import org.apache.kerby.transport.buffer.TransBuffer; |
| import org.apache.kerby.transport.event.MessageEvent; |
| import org.apache.kerby.transport.event.TransportEvent; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.DatagramChannel; |
| |
| public class UdpTransport extends Transport { |
| private DatagramChannel channel; |
| |
| protected TransBuffer recvBuffer; |
| |
| public UdpTransport(DatagramChannel channel, |
| InetSocketAddress remoteAddress) { |
| super(remoteAddress); |
| this.channel = channel; |
| this.recvBuffer = new TransBuffer(); |
| } |
| |
| protected void onRecvData(ByteBuffer data) { |
| if (data != null) { |
| recvBuffer.write(data); |
| dispatcher.dispatch(TransportEvent.createReadableTransportEvent(this)); |
| } |
| } |
| |
| @Override |
| public void onReadable() throws IOException { |
| super.onReadable(); |
| |
| if (! recvBuffer.isEmpty()) { |
| ByteBuffer message = recvBuffer.read(); |
| dispatcher.dispatch(MessageEvent.createInboundMessageEvent(this, message)); |
| } |
| } |
| |
| @Override |
| protected void sendOutMessage(ByteBuffer message) throws IOException { |
| channel.send(message, getRemoteAddress()); |
| } |
| } |