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43e5396b DG |
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.jul; | |
19 | ||
20 | import java.lang.String; | |
21 | import java.util.logging.Handler; | |
22 | import java.util.logging.LogRecord; | |
23 | import java.util.logging.LogManager; | |
a15440fd DG |
24 | import java.util.logging.Level; |
25 | import java.util.HashMap; | |
43e5396b DG |
26 | |
27 | import org.lttng.ust.jul.LTTngUst; | |
28 | ||
a15440fd DG |
29 | /* Note: This is taken from the LTTng tools ABI. */ |
30 | class LTTngLogLevelABI { | |
31 | /* Loglevel type. */ | |
32 | public static final int LOGLEVEL_TYPE_ALL = 0; | |
33 | public static final int LOGLEVEL_TYPE_RANGE = 1; | |
34 | public static final int LOGLEVEL_TYPE_SINGLE = 2; | |
35 | } | |
36 | ||
43e5396b | 37 | public class LTTngLogHandler extends Handler { |
5b5ffa03 DG |
38 | /* |
39 | * Indicate if the enable all event has been seen and if yes logger that we | |
40 | * enabled should use the loglevel/type below. | |
41 | */ | |
42 | public int logLevelUseAll = 0; | |
43 | public int logLevelAll = 0; | |
44 | public int logLevelTypeAll; | |
45 | ||
43e5396b DG |
46 | public LogManager logManager; |
47 | ||
5b5ffa03 DG |
48 | /* Indexed by name and corresponding LTTngEvent. */ |
49 | private HashMap<String, LTTngEvent> eventMap = | |
50 | new HashMap<String, LTTngEvent>(); | |
a15440fd | 51 | |
43e5396b DG |
52 | public LTTngLogHandler(LogManager logManager) { |
53 | super(); | |
54 | ||
55 | this.logManager = logManager; | |
56 | ||
57 | /* Initialize LTTng UST tracer. */ | |
58 | LTTngUst.init(); | |
59 | } | |
60 | ||
5b5ffa03 DG |
61 | public void setEvent(LTTngEvent event) { |
62 | eventMap.put(event.name, event); | |
a15440fd DG |
63 | } |
64 | ||
43e5396b DG |
65 | @Override |
66 | public void close() throws SecurityException {} | |
67 | ||
68 | @Override | |
69 | public void flush() {} | |
70 | ||
71 | @Override | |
72 | public void publish(LogRecord record) { | |
a15440fd | 73 | int fire_tp = 0, rec_log_level, ev_type, ev_log_level; |
5b5ffa03 | 74 | LTTngEvent event; |
a15440fd | 75 | LTTngLogLevel lttngLogLevel; |
5b5ffa03 | 76 | String logger_name = record.getLoggerName(); |
a15440fd | 77 | |
5b5ffa03 DG |
78 | /* Get back the event if any and check for loglevel. */ |
79 | event = eventMap.get(logger_name); | |
80 | if (event != null) { | |
a15440fd | 81 | rec_log_level = record.getLevel().intValue(); |
5b5ffa03 DG |
82 | ev_log_level = event.logLevel.level; |
83 | ev_type = event.logLevel.type; | |
a15440fd DG |
84 | |
85 | switch (ev_type) { | |
86 | case LTTngLogLevelABI.LOGLEVEL_TYPE_RANGE: | |
87 | if (ev_log_level <= rec_log_level) { | |
88 | fire_tp = 1; | |
89 | } | |
90 | break; | |
91 | case LTTngLogLevelABI.LOGLEVEL_TYPE_SINGLE: | |
92 | if (ev_log_level == rec_log_level) { | |
93 | fire_tp = 1; | |
94 | } | |
95 | break; | |
96 | case LTTngLogLevelABI.LOGLEVEL_TYPE_ALL: | |
97 | fire_tp = 1; | |
98 | break; | |
99 | } | |
100 | } else { | |
101 | /* No loglevel attached thus fire tracepoint. */ | |
102 | fire_tp = 1; | |
103 | } | |
104 | ||
105 | if (fire_tp == 0) { | |
106 | return; | |
107 | } | |
108 | ||
43e5396b DG |
109 | /* |
110 | * Specific tracepoing designed for JUL events. The source class of the | |
111 | * caller is used for the event name, the raw message is taken, the | |
112 | * loglevel of the record and the thread ID. | |
113 | */ | |
114 | LTTngUst.tracepoint(record.getMessage(), record.getLoggerName(), | |
115 | record.getSourceClassName(), record.getSourceMethodName(), | |
116 | record.getMillis(), record.getLevel().intValue(), | |
117 | record.getThreadID()); | |
118 | } | |
119 | } |