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comparison src/ch/ethz/ssh2/ChannelCondition.java @ 273:91a31873c42a ganymed

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start conversion from trilead to ganymed
author Carl Byington <carl@five-ten-sg.com>
date Fri, 18 Jul 2014 11:21:46 -0700
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children 071eccdff8ea
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272:ce2f4e397703 273:91a31873c42a
1 /*
2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
3 * Please refer to the LICENSE.txt for licensing details.
4 */
5 package ch.ethz.ssh2;
6
7 /**
8 * Contains constants that can be used to specify what conditions to wait for on
9 * a SSH-2 channel (e.g., represented by a {@link Session}).
10 *
11 * @see Session#waitForCondition(int, long)
12 *
13 * @author Christian Plattner
14 * @version 2.50, 03/15/10
15 */
16
17 public abstract interface ChannelCondition
18 {
19 /**
20 * A timeout has occurred, none of your requested conditions is fulfilled.
21 * However, other conditions may be true - therefore, NEVER use the "=="
22 * operator to test for this (or any other) condition. Always use
23 * something like <code>((cond &amp; ChannelCondition.CLOSED) != 0)</code>.
24 */
25 public static final int TIMEOUT = 1;
26
27 /**
28 * The underlying SSH-2 channel, however not necessarily the whole connection,
29 * has been closed. This implies <code>EOF</code>. Note that there may still
30 * be unread stdout or stderr data in the local window, i.e, <code>STDOUT_DATA</code>
31 * or/and <code>STDERR_DATA</code> may be set at the same time.
32 */
33 public static final int CLOSED = 2;
34
35 /**
36 * There is stdout data available that is ready to be consumed.
37 */
38 public static final int STDOUT_DATA = 4;
39
40 /**
41 * There is stderr data available that is ready to be consumed.
42 */
43 public static final int STDERR_DATA = 8;
44
45 /**
46 * EOF on has been reached, no more _new_ stdout or stderr data will arrive
47 * from the remote server. However, there may be unread stdout or stderr
48 * data, i.e, <code>STDOUT_DATA</code> or/and <code>STDERR_DATA</code>
49 * may be set at the same time.
50 */
51 public static final int EOF = 16;
52
53 /**
54 * The exit status of the remote process is available.
55 * Some servers never send the exist status, or occasionally "forget" to do so.
56 */
57 public static final int EXIT_STATUS = 32;
58
59 /**
60 * The exit signal of the remote process is available.
61 */
62 public static final int EXIT_SIGNAL = 64;
63
64 }