Commit | Line | Data |
---|---|---|
8e15b929 MK |
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 | ||
41b4bff4 | 14 | package org.eclipse.tracecompass.internal.lttng2.control.core.relayd.commands; |
8e15b929 MK |
15 | |
16 | import java.io.DataInputStream; | |
17 | import java.io.IOException; | |
18 | import java.nio.ByteBuffer; | |
19 | import java.nio.ByteOrder; | |
20 | import java.util.List; | |
21 | ||
22 | import com.google.common.collect.ImmutableList; | |
23 | ||
24 | /** | |
25 | * Response to a "new streams" command | |
26 | * | |
27 | * @author Matthew Khouzam | |
8e15b929 MK |
28 | */ |
29 | public class NewStreamsResponse implements IRelayResponse { | |
30 | ||
8adfbb73 MAL |
31 | /** |
32 | * Response size | |
33 | * | |
34 | * fStatus + fNbStreams | |
35 | */ | |
8e15b929 MK |
36 | private static final int SIZE = (Integer.SIZE + Integer.SIZE) / 8; |
37 | /** status of the request */ | |
38 | private final NewStreamsReturnCode fStatus; | |
39 | /** the number of streams */ | |
40 | private final int fNbStreams; | |
41 | /** the list of streams in the response */ | |
42 | private final List<StreamResponse> fStreamList; | |
43 | ||
44 | /** | |
45 | * New stream response network constructor | |
46 | * | |
47 | * @param inNet | |
48 | * network stream | |
49 | * @throws IOException | |
50 | * network error | |
51 | */ | |
52 | public NewStreamsResponse(DataInputStream inNet) throws IOException { | |
53 | byte[] data = new byte[SIZE]; | |
54 | inNet.readFully(data); | |
55 | ByteBuffer bb = ByteBuffer.wrap(data); | |
56 | bb.order(ByteOrder.BIG_ENDIAN); | |
57 | fStatus = NewStreamsReturnCode.values()[bb.getInt() - 1]; | |
58 | fNbStreams = bb.getInt(); | |
59 | ImmutableList.Builder<StreamResponse> sl = new ImmutableList.Builder<>(); | |
60 | if (getStatus().equals(NewStreamsReturnCode.LTTNG_VIEWER_NEW_STREAMS_OK)) { | |
61 | for (int stream = 0; stream < fNbStreams; stream++) { | |
62 | sl.add(new StreamResponse(inNet)); | |
63 | } | |
64 | } | |
65 | fStreamList = sl.build(); | |
66 | } | |
67 | ||
68 | /** | |
69 | * Gets the status | |
70 | * | |
71 | * @return the status | |
72 | */ | |
73 | public NewStreamsReturnCode getStatus() { | |
74 | return fStatus; | |
75 | } | |
76 | ||
77 | /** | |
78 | * gets the stream list | |
79 | * | |
80 | * @return the stream list | |
81 | */ | |
82 | public List<StreamResponse> getStreamList() { | |
83 | return fStreamList; | |
84 | } | |
85 | ||
86 | /** | |
87 | * The number of streams | |
88 | * | |
89 | * @return the number of streams | |
90 | */ | |
91 | public int getNbStreams() { | |
92 | return fNbStreams; | |
93 | } | |
94 | ||
95 | } |