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1 | /* |
2 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | package org.lttng.ust.agent.jul; | |
19 | ||
20 | import java.lang.String; | |
21 | ||
22 | import java.util.logging.Handler; | |
23 | import java.util.logging.LogRecord; | |
24 | ||
25 | class LTTngLogHandler extends Handler { | |
08284556 AM |
26 | |
27 | private final Boolean isRoot; | |
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28 | |
29 | public LTTngLogHandler(Boolean isRoot) { | |
30 | super(); | |
08284556 | 31 | this.isRoot = isRoot; |
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32 | /* Initialize LTTng UST tracer. */ |
33 | try { | |
34 | System.loadLibrary("lttng-ust-jul-jni"); //$NON-NLS-1$ | |
35 | } catch (SecurityException e) { | |
36 | e.printStackTrace(); | |
37 | } catch (UnsatisfiedLinkError e) { | |
38 | e.printStackTrace(); | |
39 | } catch (NullPointerException e) { | |
40 | /* Should never happen */ | |
41 | e.printStackTrace(); | |
42 | } | |
43 | } | |
44 | ||
45 | public Boolean isRoot() { | |
08284556 | 46 | return this.isRoot; |
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47 | } |
48 | ||
49 | @Override | |
50 | public void close() throws SecurityException {} | |
51 | ||
52 | @Override | |
53 | public void flush() {} | |
54 | ||
55 | @Override | |
56 | public void publish(LogRecord record) { | |
57 | /* | |
08284556 | 58 | * Specific tracepoint designed for JUL events. The source class of the |
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59 | * caller is used for the event name, the raw message is taken, the |
60 | * loglevel of the record and the thread ID. | |
61 | */ | |
08284556 | 62 | if (this.isRoot) { |
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63 | tracepointS(record.getMessage(), |
64 | record.getLoggerName(), record.getSourceClassName(), | |
65 | record.getSourceMethodName(), record.getMillis(), | |
66 | record.getLevel().intValue(), record.getThreadID()); | |
67 | } else { | |
68 | tracepointU(record.getMessage(), | |
69 | record.getLoggerName(), record.getSourceClassName(), | |
70 | record.getSourceMethodName(), record.getMillis(), | |
71 | record.getLevel().intValue(), record.getThreadID()); | |
72 | } | |
73 | } | |
74 | ||
75 | /* Use for a user session daemon. */ | |
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76 | private native void tracepointU(String msg, |
77 | String logger_name, | |
78 | String class_name, | |
79 | String method_name, | |
80 | long millis, | |
81 | int log_level, | |
82 | int thread_id); | |
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83 | |
84 | /* Use for a root session daemon. */ | |
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85 | private native void tracepointS(String msg, |
86 | String logger_name, | |
87 | String class_name, | |
88 | String method_name, | |
89 | long millis, | |
90 | int log_level, | |
91 | int thread_id); | |
501f6777 | 92 | } |