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d60dfbe4 | 1 | /* |
301a3ddb | 2 | * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com> |
d60dfbe4 AM |
3 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> |
4 | * | |
5 | * This library is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
7 | * as published by the Free Software Foundation. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public License | |
15 | * along with this library; if not, write to the Free Software Foundation, | |
16 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | package org.lttng.ust.agent.client; | |
20 | ||
21 | import java.nio.ByteBuffer; | |
22 | import java.nio.ByteOrder; | |
23 | ||
301a3ddb AM |
24 | /** |
25 | * Session daemon command indicating to the Java agent that some events were | |
26 | * disabled in the tracing session. | |
27 | * | |
28 | * @author Alexandre Montplaisir | |
29 | * @author David Goulet | |
30 | */ | |
1d193914 | 31 | class SessiondDisableEventCommand extends SessiondCommand { |
d60dfbe4 | 32 | |
f35c6aa0 AM |
33 | /** |
34 | * Response sent when the disable-event command asks to disable an | |
35 | * unknown event. | |
36 | */ | |
37 | private static final LttngAgentResponse DISABLE_EVENT_FAILURE_RESPONSE = new LttngAgentResponse() { | |
38 | @Override | |
39 | public ReturnCode getReturnCode() { | |
40 | return ReturnCode.CODE_UNKNOWN_LOGGER_NAME; | |
41 | } | |
42 | }; | |
43 | ||
d60dfbe4 | 44 | /** Event name to disable from the tracing session */ |
301a3ddb | 45 | private final String eventName; |
d60dfbe4 | 46 | |
301a3ddb AM |
47 | public SessiondDisableEventCommand(byte[] data) { |
48 | if (data == null) { | |
49 | throw new IllegalArgumentException(); | |
50 | } | |
d60dfbe4 | 51 | ByteBuffer buf = ByteBuffer.wrap(data); |
abac44cd | 52 | buf.order(ByteOrder.BIG_ENDIAN); |
22191ffd | 53 | eventName = new String(data, SESSIOND_PROTOCOL_CHARSET).trim(); |
d60dfbe4 AM |
54 | } |
55 | ||
56 | @Override | |
3165c2f5 | 57 | public LttngAgentResponse execute(ILttngTcpClientListener agent) { |
301a3ddb | 58 | boolean success = agent.eventDisabled(this.eventName); |
93253569 | 59 | return (success ? LttngAgentResponse.SUCESS_RESPONSE : DISABLE_EVENT_FAILURE_RESPONSE); |
d60dfbe4 | 60 | } |
2c240349 | 61 | |
f35c6aa0 AM |
62 | @Override |
63 | public String toString() { | |
64 | return "SessiondDisableEventCommand[" | |
65 | + "eventName=" + eventName | |
66 | +"]"; | |
67 | } | |
d60dfbe4 | 68 | } |