Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
EchoFilter |
|
| 3.5;3,5 |
1 | /* | |
2 | * | |
3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
4 | * | |
5 | * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved. | |
6 | * | |
7 | * The contents of this file are subject to the terms of either the GNU | |
8 | * General Public License Version 2 only ("GPL") or the Common Development | |
9 | * and Distribution License("CDDL") (collectively, the "License"). You | |
10 | * may not use this file except in compliance with the License. You can obtain | |
11 | * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html | |
12 | * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific | |
13 | * language governing permissions and limitations under the License. | |
14 | * | |
15 | * When distributing the software, include this License Header Notice in each | |
16 | * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. | |
17 | * Sun designates this particular file as subject to the "Classpath" exception | |
18 | * as provided by Sun in the GPL Version 2 section of the License file that | |
19 | * accompanied this code. If applicable, add the following below the License | |
20 | * Header, with the fields enclosed by brackets [] replaced by your own | |
21 | * identifying information: "Portions Copyrighted [year] | |
22 | * [name of copyright owner]" | |
23 | * | |
24 | * Contributor(s): | |
25 | * | |
26 | * If you wish your version of this file to be governed by only the CDDL or | |
27 | * only the GPL Version 2, indicate your decision by adding "[Contributor] | |
28 | * elects to include this software in this distribution under the [CDDL or GPL | |
29 | * Version 2] license." If you don't indicate a single choice of license, a | |
30 | * recipient has the option to distribute your version of this file under | |
31 | * either the CDDL, the GPL Version 2 or to extend the choice of license to | |
32 | * its licensees as provided above. However, if you add GPL Version 2 code | |
33 | * and therefore, elected the GPL Version 2 license, then the option applies | |
34 | * only if the new code is made subject to such option by the copyright | |
35 | * holder. | |
36 | * | |
37 | */ | |
38 | ||
39 | package com.sun.grizzly.filter; | |
40 | ||
41 | import com.sun.grizzly.Context; | |
42 | import com.sun.grizzly.Controller; | |
43 | import com.sun.grizzly.ProtocolFilter; | |
44 | import com.sun.grizzly.util.OutputWriter; | |
45 | import com.sun.grizzly.util.WorkerThread; | |
46 | import java.io.IOException; | |
47 | import java.net.SocketAddress; | |
48 | import java.nio.ByteBuffer; | |
49 | import java.nio.channels.DatagramChannel; | |
50 | import java.nio.channels.SelectableChannel; | |
51 | import java.util.logging.Level; | |
52 | ||
53 | /** | |
54 | * Simple echo filter | |
55 | * | |
56 | * @author Alexey Stashok | |
57 | */ | |
58 | 29 | public class EchoFilter implements ProtocolFilter { |
59 | public boolean execute(Context ctx) throws IOException { | |
60 | 3632 | final WorkerThread workerThread = ((WorkerThread)Thread.currentThread()); |
61 | 3632 | ByteBuffer buffer = workerThread.getByteBuffer(); |
62 | 3632 | buffer.flip(); |
63 | 3632 | if (buffer.hasRemaining()) { |
64 | // Depending on protocol perform echo | |
65 | 3632 | SelectableChannel channel = ctx.getSelectionKey().channel(); |
66 | try { | |
67 | 3632 | if (ctx.getProtocol() == Controller.Protocol.TCP) { // TCP case |
68 | 2630 | OutputWriter.flushChannel(channel, buffer); |
69 | 1002 | } else if (ctx.getProtocol() == Controller.Protocol.UDP) { // UDP case |
70 | 1002 | DatagramChannel datagramChannel = (DatagramChannel) channel; |
71 | 1002 | SocketAddress address = (SocketAddress) |
72 | ctx.getAttribute(ReadFilter.UDP_SOCKETADDRESS); | |
73 | 1002 | OutputWriter.flushChannel(datagramChannel, address, buffer); |
74 | } | |
75 | 0 | } catch (IOException ex) { |
76 | // Store incoming data in byte[] | |
77 | 0 | byte[] data = new byte[buffer.remaining()]; |
78 | 0 | int position = buffer.position(); |
79 | 0 | buffer.get(data); |
80 | 0 | buffer.position(position); |
81 | ||
82 | 0 | Controller.logger().log(Level.WARNING, |
83 | "Exception. Echo \"" + new String(data) + "\""); | |
84 | 0 | throw ex; |
85 | 3632 | } |
86 | } | |
87 | ||
88 | 3632 | buffer.clear(); |
89 | 3632 | return false; |
90 | } | |
91 | ||
92 | public boolean postExecute(Context ctx) throws IOException { | |
93 | 3632 | return true; |
94 | } | |
95 | } |