| MulticastClientTool.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.util.transport;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27
28 import java.util.HashMap;
29 import java.util.Map;
30
31 /**
32 * <a href="MulticastClientTool.java.html"><b><i>View Source</i></b></a>
33 *
34 * <p>
35 * A client that listens for multicast messages at a designated port. You may
36 * use this to for potential multicast issues when tuning distributed caches.
37 * </p>
38 *
39 * @author Michael C. Han
40 * @author Raymond Augé
41 */
42 public class MulticastClientTool {
43
44 public static void main(String[] args) {
45 try {
46 new MulticastClientTool(args);
47 }
48 catch (Exception e) {
49 _log.error(e);
50
51 StringBuilder sb = new StringBuilder();
52
53 sb.append("Usage: java -classpath ");
54 sb.append("commons-logging.jar:util-java.jar ");
55 sb.append("com.liferay.util.transport.MulticastClientTool [-g] ");
56 sb.append("[-s] -h [multicastAddress] -p [port]");
57
58 System.err.println(sb.toString());
59
60 System.exit(1);
61 }
62 }
63
64 private MulticastClientTool(String[] args) throws Exception {
65 Map<String, Object> argsMap = _getArgsMap(args);
66
67 Integer port = (Integer)argsMap.get("port");
68 String host = (String)argsMap.get("host");
69 Boolean gzipData = (Boolean)argsMap.get("gzip");
70 Boolean shortData = (Boolean)argsMap.get("short");
71
72 DatagramHandler handler = new MulticastDatagramHandler(
73 gzipData.booleanValue(), shortData.booleanValue());
74
75 MulticastTransport transport = new MulticastTransport(
76 handler, host, port);
77
78 if (_log.isInfoEnabled()) {
79 if (shortData.booleanValue()) {
80 _log.info("Truncating to 96 bytes.");
81 }
82
83 _log.info("Started up and waiting...");
84 }
85
86 transport.connect();
87
88 synchronized (transport) {
89 transport.wait();
90 }
91 }
92
93 private Map<String, Object> _getArgsMap(String[] args)
94 throws Exception {
95
96 Map<String, Object> argsMap = new HashMap<String, Object>();
97
98 for (int i = 0; i < args.length; i++) {
99 if (args[i].equals("-g")) {
100 argsMap.put("gzip", Boolean.TRUE);
101 }
102 else if (args[i].equals("-s")) {
103 argsMap.put("short", Boolean.TRUE);
104 }
105 else if (args[i].equals("-h")) {
106 argsMap.put("host", args[i + 1]);
107
108 i++;
109 }
110 else if (args[i].equals("-p")) {
111 argsMap.put("port", new Integer(args[i + 1]));
112
113 i++;
114 }
115 }
116
117 if (!argsMap.containsKey("gzip")) {
118 argsMap.put("gzip", Boolean.FALSE);
119 }
120
121 if (!argsMap.containsKey("short")) {
122 argsMap.put("short", Boolean.FALSE);
123 }
124
125 return argsMap;
126 }
127
128 private static final Log _log = LogFactoryUtil.getLog(
129 MulticastClientTool.class);
130
131 }