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