projects / lttng-ust.git / blame
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|---|---|---|
| 501f6777 CB |
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 { | |
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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; |
| 501f6777 CB |
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 |
| 501f6777 CB |
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) { |
| 501f6777 CB |
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 | } |