+++ /dev/null
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2016 EfficiOS Inc.
- * Copyright (C) 2016 Alexandre Montplaisir <alexmonthy@efficios.com>
- */
-
-package org.lttng.ust.agent.client;
-
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-
-/**
- * Session daemon command indicating to the Java agent that an
- * application-specific context was enabled in the tracing session.
- *
- * @author Alexandre Montplaisir
- */
-class SessiondEnableAppContextCommand extends SessiondCommand {
-
- private final String retrieverName;
- private final String contextName;
-
- private final boolean commandIsValid;
-
- public SessiondEnableAppContextCommand(byte[] data) {
- if (data == null) {
- throw new IllegalArgumentException();
- }
- ByteBuffer buf = ByteBuffer.wrap(data);
- buf.order(ByteOrder.BIG_ENDIAN);
-
- /*
- * The buffer contains the retriever name first, followed by the
- * context's name.
- */
- retrieverName = readNextString(buf);
- contextName = readNextString(buf);
-
- /* If any of these strings were null then the command was invalid */
- commandIsValid = ((retrieverName != null) && (contextName != null));
- }
-
- @Override
- public LttngAgentResponse execute(ILttngTcpClientListener agent) {
- if (!commandIsValid) {
- return LttngAgentResponse.FAILURE_RESPONSE;
- }
-
- boolean success = agent.appContextEnabled(retrieverName, contextName);
- return (success ? LttngAgentResponse.SUCESS_RESPONSE : LttngAgentResponse.FAILURE_RESPONSE);
- }
-}