2 * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
4 * This library is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License, version 2.1 only,
6 * as published by the Free Software Foundation.
8 * This library is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this library; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 package org
.lttng
.ust
.agent
.client
;
20 import java
.nio
.ByteBuffer
;
21 import java
.nio
.ByteOrder
;
22 import java
.util
.ArrayList
;
23 import java
.util
.List
;
25 import org
.lttng
.ust
.agent
.ILttngAgent
;
27 class SessiondListLoggersResponse
implements ISessiondResponse
{
29 private final static int SIZE
= 12;
31 private int dataSize
= 0;
32 private int nbLogger
= 0;
34 private final List
<String
> loggerList
= new ArrayList
<String
>();
36 /** Return status code to the session daemon. */
37 public LttngAgentRetCode code
;
40 public byte[] getBytes() {
41 byte data
[] = new byte[SIZE
+ dataSize
];
42 ByteBuffer buf
= ByteBuffer
.wrap(data
);
43 buf
.order(ByteOrder
.BIG_ENDIAN
);
46 buf
.putInt(code
.getCode());
50 for (String logger
: loggerList
) {
51 buf
.put(logger
.getBytes());
52 /* NULL terminated byte after the logger name. */
58 public void execute(ILttngAgent
<?
> agent
) {
59 for (String event
: agent
.listEnabledEvents()) {
60 this.loggerList
.add(event
);
62 this.dataSize
+= event
.length() + 1;
65 this.code
= LttngAgentRetCode
.CODE_SUCCESS_CMD
;