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
;
23 import org
.lttng
.ust
.agent
.AbstractLttngAgent
;
25 class SessiondDisableHandler
implements ISessiondResponse
, ISessiondCommand
{
27 private static final int INT_SIZE
= 4;
29 /** Event name to disable from the tracing session */
30 private String eventName
;
32 /** Return status code to the session daemon. */
33 private LttngAgentRetCode code
;
36 public void populate(byte[] data
) {
37 ByteBuffer buf
= ByteBuffer
.wrap(data
);
38 buf
.order(ByteOrder
.LITTLE_ENDIAN
);
39 eventName
= new String(data
).trim();
43 public byte[] getBytes() {
44 byte data
[] = new byte[INT_SIZE
];
45 ByteBuffer buf
= ByteBuffer
.wrap(data
);
46 buf
.order(ByteOrder
.BIG_ENDIAN
);
47 buf
.putInt(code
.getCode());
51 public String
getEventName() {
55 public void setRetCode(LttngAgentRetCode code
) {
60 * Execute disable handler action which is to disable the given handler to
64 * The agent on which to execute the command
66 public void execute(AbstractLttngAgent
<?
> agent
) {
67 if (agent
.eventDisabled(this.eventName
)) {
68 this.code
= LttngAgentRetCode
.CODE_SUCCESS_CMD
;
70 this.code
= LttngAgentRetCode
.CODE_INVALID_CMD
;
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