001: /*
002: License $Id: JoBalancerHandler.java,v 1.5 2005/03/15 15:43:26 hendriks73 Exp $
003:
004: Copyright (c) 2001-2005 tagtraum industries.
005:
006: LGPL
007: ====
008:
009: jo! is free software; you can redistribute it and/or
010: modify it under the terms of the GNU Lesser General Public
011: License as published by the Free Software Foundation; either
012: version 2.1 of the License, or (at your option) any later version.
013:
014: jo! is distributed in the hope that it will be useful,
015: but WITHOUT ANY WARRANTY; without even the implied warranty of
016: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017: Lesser General Public License for more details.
018:
019: You should have received a copy of the GNU Lesser General Public
020: License along with this library; if not, write to the Free Software
021: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
022:
023: For LGPL see <http://www.fsf.org/copyleft/lesser.txt>
024:
025:
026: Sun license
027: ===========
028:
029: This release contains software by Sun Microsystems. Therefore
030: the following conditions have to be met, too. They apply to the
031: files
032:
033: - lib/mail.jar
034: - lib/activation.jar
035: - lib/jsse.jar
036: - lib/jcert.jar
037: - lib/jaxp.jar
038: - lib/crimson.jar
039: - lib/servlet.jar
040: - lib/jnet.jar
041: - lib/jaas.jar
042: - lib/jaasmod.jar
043:
044: contained in this release.
045:
046: a. Licensee may not modify the Java Platform
047: Interface (JPI, identified as classes contained within the javax
048: package or any subpackages of the javax package), by creating additional
049: classes within the JPI or otherwise causing the addition to or modification
050: of the classes in the JPI. In the event that Licensee creates any
051: Java-related API and distribute such API to others for applet or
052: application development, you must promptly publish broadly, an accurate
053: specification for such API for free use by all developers of Java-based
054: software.
055:
056: b. Software is confidential copyrighted information of Sun and
057: title to all copies is retained by Sun and/or its licensors. Licensee
058: shall not modify, decompile, disassemble, decrypt, extract, or otherwise
059: reverse engineer Software. Software may not be leased, assigned, or
060: sublicensed, in whole or in part. Software is not designed or intended
061: for use in on-line control of aircraft, air traffic, aircraft navigation
062: or aircraft communications; or in the design, construction, operation or
063: maintenance of any nuclear facility. Licensee warrants that it will not
064: use or redistribute the Software for such purposes.
065:
066: c. Software is provided "AS IS," without a warranty
067: of any kind. ALL EXPRESS OR IMPLIED REPRESENTATIONS AND WARRANTIES,
068: INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
069: PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
070:
071: d. This License is effective until terminated. Licensee may
072: terminate this License at any time by destroying all copies of Software.
073: This License will terminate immediately without notice from Sun if Licensee
074: fails to comply with any provision of this License. Upon such termination,
075: Licensee must destroy all copies of Software.
076:
077: e. Software, including technical data, is subject to U.S.
078: export control laws, including the U.S. Export Administration Act and its
079: associated regulations, and may be subject to export or import regulations
080: in other countries. Licensee agrees to comply strictly with all such
081: regulations and acknowledges that it has the responsibility to obtain
082: licenses to export, re-export, or import Software. Software may not be
083: downloaded, or otherwise exported or re-exported (i) into, or to a national
084: or resident of, Cuba, Iraq, Iran, North Korea, Libya, Sudan, Syria or any
085: country to which the U.S. has embargoed goods; or (ii) to anyone on the
086: U.S. Treasury Department's list of Specially Designated Nations or the U.S.
087: Commerce Department's Table of Denial Orders.
088:
089:
090: Feedback
091: ========
092:
093: We encourage your feedback and suggestions and want to use your feedback to
094: improve the Software. Send all such feedback to:
095: <feedback@tagtraum.com>
096:
097: For more information on tagtraum industries and jo!
098: please see <http://www.tagtraum.com/>.
099:
100:
101: */
102: package com.tagtraum.jobalancer;
103:
104: import com.tagtraum.framework.server.TCPHandler;
105:
106: import java.io.IOException;
107: import java.io.InputStream;
108: import java.io.OutputStream;
109: import java.net.Socket;
110:
111: /**
112: *
113: * @author Hendrik Schreiber
114: * @version 1.1beta1 $Id: JoBalancerHandler.java,v 1.5 2005/03/15 15:43:26 hendriks73 Exp $
115: */
116: public class JoBalancerHandler extends TCPHandler {
117:
118: /**
119: * Source-Version
120: */
121: public static String vcid = "$Id: JoBalancerHandler.java,v 1.5 2005/03/15 15:43:26 hendriks73 Exp $";
122:
123: /**
124: * Constructor.
125: *
126: *
127: * @see
128: */
129: public JoBalancerHandler(ThreadGroup tg) {
130: super (tg);
131: }
132:
133: /**
134: * Method.
135: *
136: *
137: * @see
138: */
139: public void service() {
140: Socket localSocket = null;
141: try {
142: localSocket = ((JoBalancer) service).getSocket(socket
143: .getInetAddress());
144: StreamPumper in = new StreamPumper(localSocket
145: .getInputStream(), socket.getOutputStream());
146: StreamPumper out = new StreamPumper(
147: socket.getInputStream(), localSocket
148: .getOutputStream());
149: in.start();
150: out.start();
151: out.join();
152: in.join();
153: } catch (Throwable t) {
154: t.printStackTrace();
155: } finally {
156: try {
157: if (localSocket != null)
158: localSocket.close();
159: } catch (IOException ioe) {
160: }
161: }
162: }
163:
164: }
165:
166: /**
167: * Class declaration.
168: *
169: *
170: * @author Hendrik Schreiber
171: * @version 1.1beta1 $Id: JoBalancerHandler.java,v 1.5 2005/03/15 15:43:26 hendriks73 Exp $
172: */
173: class StreamPumper extends Thread {
174:
175: private boolean endOfStream;
176: private OutputStream out;
177: private InputStream in;
178: private byte[] buf;
179:
180: /**
181: * Constructor.
182: *
183: *
184: * @param in
185: * @param out
186: *
187: * @see
188: */
189: public StreamPumper(InputStream in, OutputStream out) {
190: this .in = in;
191: this .out = out;
192: buf = new byte[1024];
193: endOfStream = false;
194: }
195:
196: /**
197: * Method.
198: *
199: *
200: * @throws IOException
201: *
202: * @see
203: */
204: public void pump() throws IOException {
205: if (!endOfStream) {
206: int bytesRead = in.read(buf, 0, buf.length);
207:
208: if (bytesRead > 0) {
209: out.write(buf, 0, bytesRead);
210: } else if (bytesRead == -1) {
211: endOfStream = true;
212: }
213: }
214: }
215:
216: /**
217: * Method.
218: *
219: *
220: * @see
221: */
222: public void run() {
223: try {
224: while (!endOfStream) {
225: pump();
226: sleep(5);
227: }
228: } catch (InterruptedException ie) {
229: // ignore
230: } catch (IOException ioe) {
231: // ignore
232: }
233: try {
234: in.close();
235: } catch (IOException ioe) {
236: }
237: try {
238: out.close();
239: } catch (IOException ioe) {
240: }
241: }
242:
243: }
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