001 /*
002 * Copyright (C) 2011 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019 package org.crsh.standalone;
020
021 import org.crsh.cmdline.ClassDescriptor;
022 import org.crsh.cmdline.CommandFactory;
023 import org.crsh.cmdline.annotations.Argument;
024 import org.crsh.cmdline.annotations.Command;
025 import org.crsh.cmdline.annotations.Option;
026 import org.crsh.cmdline.matcher.CommandMatch;
027 import org.crsh.cmdline.matcher.InvocationContext;
028 import org.crsh.cmdline.matcher.Matcher;
029 import org.crsh.shell.impl.CRaSH;
030 import org.crsh.term.BaseTerm;
031 import org.crsh.term.Term;
032 import org.crsh.term.processor.Processor;
033 import org.crsh.term.spi.net.TermIOClient;
034 import org.slf4j.Logger;
035 import org.slf4j.LoggerFactory;
036
037 import java.io.Closeable;
038 import java.io.File;
039 import java.lang.instrument.Instrumentation;
040 import java.util.List;
041 import java.util.Properties;
042
043 /**
044 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
045 */
046 public class Agent {
047
048 /** . */
049 private static Logger log = LoggerFactory.getLogger(Agent.class);
050
051 public static void agentmain(final String agentArgs, Instrumentation inst) throws Exception {
052 log.info("CRaSH agent loaded");
053
054 //
055 Thread t = new Thread() {
056 @Override
057 public void run() {
058 try {
059 ClassDescriptor<Agent> c = CommandFactory.create(Agent.class);
060 Matcher<Agent> matcher = Matcher.createMatcher("main", c);
061 CommandMatch<Agent, ?, ?> match = matcher.match(agentArgs);
062 match.invoke(new InvocationContext(), new Agent());
063 } catch (Exception e) {
064 e.printStackTrace();
065 }
066 }
067 };
068
069 //
070 t.start();
071 log.info("Spawned CRaSH thread " + t.getId() + " for further processing");
072 }
073
074 @Command
075 public void main(
076 @Option(names={"j","jar"})
077 List<String> jars,
078 @Option(names={"c","cmd"})
079 List<String> cmds,
080 @Option(names={"conf"})
081 List<String> confs,
082 @Option(names={"p","property"})
083 List<String> properties,
084 @Argument(name = "port")
085 Integer port) throws Exception {
086
087 //
088 Bootstrap bootstrap = new Bootstrap(Thread.currentThread().getContextClassLoader());
089
090 //
091 if (cmds != null) {
092 for (String cmd : cmds) {
093 File cmdPath = new File(cmd);
094 bootstrap.addCmdPath(cmdPath);
095 }
096 }
097
098 //
099 if (confs != null) {
100 for (String conf : confs) {
101 File confPath = new File(conf);
102 bootstrap.addConfPath(confPath);
103 }
104 }
105
106 //
107 if (jars != null) {
108 for (String jar : jars) {
109 File jarFile = new File(jar);
110 bootstrap.addJarPath(jarFile);
111 }
112 }
113
114 //
115 if (properties != null) {
116 Properties config = new Properties();
117 for (String property : properties) {
118 int index = property.indexOf('=');
119 if (index == -1) {
120 config.setProperty(property, "");
121 } else {
122 config.setProperty(property.substring(0, index), property.substring(index + 1));
123 }
124 }
125 bootstrap.setConfig(config);
126 }
127
128 // Do bootstrap
129 bootstrap.bootstrap();
130
131 //
132 try {
133 final TermIOClient client = new TermIOClient(port);
134 log.info("Callback back remote on port " + port);
135 client.connect();
136
137 // Do stuff
138 Term term = new BaseTerm(client);
139 CRaSH crash = new CRaSH(bootstrap.getContext());
140 Processor processor = new Processor(term, crash.createSession());
141 processor.addListener(new Closeable() {
142 public void close() {
143 client.close();
144 }
145 });
146
147 // Run
148 processor.run();
149 }
150 finally {
151 bootstrap.shutdown();
152 }
153 }
154 }