| /** |
| * 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.tcp; |
| |
| import org.apache.kerby.event.Event; |
| import org.apache.kerby.event.EventType; |
| import org.apache.kerby.transport.Transport; |
| import org.apache.kerby.transport.event.TransportEventType; |
| import org.apache.kerby.transport.TransportHandler; |
| import org.apache.kerby.transport.event.TransportEvent; |
| |
| import java.io.IOException; |
| import java.nio.channels.SelectionKey; |
| |
| public class TcpTransportHandler extends TransportHandler { |
| |
| private StreamingDecoder streamingDecoder; |
| |
| public TcpTransportHandler(StreamingDecoder streamingDecoder) { |
| this.streamingDecoder = streamingDecoder; |
| } |
| |
| public StreamingDecoder getStreamingDecoder() { |
| return streamingDecoder; |
| } |
| |
| @Override |
| public EventType[] getInterestedEvents() { |
| return new TransportEventType[] { |
| TransportEventType.TRANSPORT_READABLE, |
| TransportEventType.TRANSPORT_WRITABLE |
| }; |
| } |
| |
| @Override |
| protected void doHandle(Event event) throws Exception { |
| EventType eventType = event.getEventType(); |
| TransportEvent te = (TransportEvent) event; |
| Transport transport = te.getTransport(); |
| if (eventType == TransportEventType.TRANSPORT_READABLE) { |
| transport.onReadable(); |
| } else if (eventType == TransportEventType.TRANSPORT_WRITABLE) { |
| transport.onWriteable(); |
| } |
| } |
| |
| @Override |
| public void helpHandleSelectionKey(SelectionKey selectionKey) throws IOException { |
| if (selectionKey.isReadable()) { |
| selectionKey.interestOps(SelectionKey.OP_READ | SelectionKey.OP_WRITE); |
| TcpTransport transport = (TcpTransport) selectionKey.attachment(); |
| dispatch(TransportEvent.createReadableTransportEvent(transport)); |
| } else if (selectionKey.isWritable()) { |
| selectionKey.interestOps(SelectionKey.OP_READ); |
| TcpTransport transport = (TcpTransport) selectionKey.attachment(); |
| dispatch(TransportEvent.createWritableTransportEvent(transport)); |
| } |
| } |
| } |
| |