org.eclipse.linuxtools.lttng2.control.core/src/org/eclipse/linuxtools/internal/lttng2/control/core/relayd/lttngviewerCommands/CreateSessionResponse.java

   1 /**********************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Matthew Khouzam - Initial implementation and API
  11  *   Marc-Andre Laperle - Initial implementation and API
  12  **********************************************************************/
  13
  14 package org.eclipse.linuxtools.internal.lttng2.control.core.relayd.lttngviewerCommands;
  15
  16 import java.io.DataInputStream;
  17 import java.io.IOException;
  18 import java.nio.ByteBuffer;
  19 import java.nio.ByteOrder;
  20
  21 /**
  22  * Response to a "create session" command
  23  *
  24  * @author Matthew Khouzam
  25  * @since 3.0
  26  */
  27 public class CreateSessionResponse implements IRelayResponse {
  28
  29     /**
  30      * Response size (fStatus)
  31      */
  32     public static final int SIZE = Integer.SIZE / 8;
  33
  34     /** enum lttng_viewer_create_session_return_code */
  35     private final CreateSessionReturnCode fStatus;
  36
  37     /**
  38      * Create session response network constructor
  39      *
  40      * @param inNet
  41      *            network input stream
  42      * @throws IOException
  43      *             network error
  44      */
  45     public CreateSessionResponse(DataInputStream inNet) throws IOException {
  46         byte[] data = new byte[SIZE];
  47         inNet.readFully(data);
  48         ByteBuffer bb = ByteBuffer.wrap(data);
  49         bb.order(ByteOrder.BIG_ENDIAN);
  50         fStatus = (CreateSessionReturnCode.values()[bb.getInt() - 1]);
  51     }
  52
  53     /**
  54      * Get status
  55      *
  56      * @return the status
  57      */
  58     public CreateSessionReturnCode getStatus() {
  59         return fStatus;
  60     }
  61
  62 }