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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 | * Get viewer session response to command | |
23 | * | |
24 | * @author Matthew Khouzam | |
25 | * @since 3.0 | |
26 | */ | |
27 | public class SessionResponse implements IRelayResponse { | |
28 | ||
29 | /** | |
30 | * Response size | |
8adfbb73 MAL |
31 | * |
32 | * fHostname + fSessionName + fId + fLiveTimer + fClients + fStreams | |
8e15b929 MK |
33 | */ |
34 | public static final int SIZE = | |
35 | LttngViewerCommands.LTTNG_VIEWER_HOST_NAME_MAX + LttngViewerCommands.LTTNG_VIEWER_NAME_MAX + (Long.SIZE + Integer.SIZE + Integer.SIZE + Integer.SIZE) / 8; | |
36 | /** id of the session */ | |
37 | private final long fId; | |
38 | /** live timer */ | |
39 | private final int fLiveTimer; | |
40 | /** number of clients */ | |
41 | private final int fClients; | |
42 | /** number streams */ | |
43 | private final int fStreams; | |
44 | /** Hostname, like 'localhost' */ | |
45 | private final String fHostname; | |
46 | /** Session name, like 'streaming session' */ | |
47 | private final String fSessionName; | |
48 | ||
49 | /** | |
50 | * Session response network constructor | |
51 | * | |
52 | * @param inNet | |
53 | * input network stream | |
54 | * @throws IOException | |
55 | * network error | |
56 | */ | |
57 | public SessionResponse(DataInputStream inNet) throws IOException { | |
58 | byte[] data = new byte[SIZE]; | |
59 | inNet.readFully(data); | |
60 | ByteBuffer bb = ByteBuffer.wrap(data); | |
61 | bb.order(ByteOrder.BIG_ENDIAN); | |
62 | fId = bb.getLong(); | |
63 | fLiveTimer = bb.getInt(); | |
64 | fClients = bb.getInt(); | |
65 | fStreams = bb.getInt(); | |
66 | byte[] hostName = new byte[LttngViewerCommands.LTTNG_VIEWER_HOST_NAME_MAX]; | |
67 | byte[] sessionName = new byte[LttngViewerCommands.LTTNG_VIEWER_NAME_MAX]; | |
68 | bb.get(hostName, 0, hostName.length); | |
69 | bb.get(sessionName, 0, sessionName.length); | |
70 | fHostname = new String(hostName); | |
71 | fSessionName = new String(sessionName); | |
72 | } | |
73 | ||
74 | /** | |
75 | * Gets the id of the session | |
76 | * | |
77 | * @return the id of the session | |
78 | */ | |
79 | public long getId() { | |
80 | return fId; | |
81 | } | |
82 | ||
83 | /** | |
84 | * Gets the live timer | |
85 | * | |
86 | * @return the live timer | |
87 | */ | |
88 | public int getLiveTimer() { | |
89 | return fLiveTimer; | |
90 | } | |
91 | ||
92 | /** | |
93 | * Gets the number of clients | |
94 | * | |
95 | * @return the number of clients | |
96 | */ | |
97 | public int getClients() { | |
98 | return fClients; | |
99 | } | |
100 | ||
101 | /** | |
102 | * Gets the number streams | |
103 | * | |
104 | * @return the number streams | |
105 | */ | |
106 | public int getStreams() { | |
107 | return fStreams; | |
108 | } | |
109 | ||
110 | /** | |
111 | * Gets the Hostname | |
112 | * | |
113 | * @return the Hostname | |
114 | */ | |
115 | public String getHostname() { | |
116 | return fHostname; | |
117 | } | |
118 | ||
119 | /** | |
120 | * Gets the session name | |
121 | * | |
122 | * @return the session name | |
123 | */ | |
124 | public String getSessionName() { | |
125 | return fSessionName; | |
126 | } | |
127 | ||
128 | } |