01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.server.port;
31:
32: import com.caucho.loader.Environment;
33: import com.caucho.management.server.AbstractManagedObject;
34: import com.caucho.management.server.TcpConnectionMXBean;
35: import com.caucho.server.connection.BroadcastTask;
36: import com.caucho.server.connection.Connection;
37: import com.caucho.util.Alarm;
38: import com.caucho.util.ThreadPool;
39: import com.caucho.util.ThreadTask;
40: import com.caucho.vfs.ClientDisconnectException;
41: import com.caucho.vfs.QSocket;
42: import com.caucho.vfs.ReadStream;
43:
44: import java.io.IOException;
45: import java.net.InetAddress;
46: import java.util.logging.Level;
47: import java.util.logging.Logger;
48:
49: /**
50: * Controls a tcp connection for comet.
51: */
52: public class TcpConnectionController {
53: private static final Logger log = Logger
54: .getLogger(TcpConnectionController.class.getName());
55:
56: private Connection _conn;
57:
58: /**
59: * Creates a new TcpConnectionController.
60: *
61: * @param conn The TCP connection
62: */
63: protected TcpConnectionController(Connection conn) {
64: _conn = conn;
65: }
66:
67: /**
68: * Returns true if the connection is active.
69: */
70: public final boolean isActive() {
71: return _conn != null;
72: }
73:
74: /**
75: * Closes the connection.
76: */
77: public void close() {
78: Connection conn = _conn;
79: _conn = null;
80: }
81: }
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