Commit | Line | Data |
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beb0fb75 | 1 | /* |
e2f7325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
beb0fb75 PP |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <stdlib.h> | |
3fadfbc0 MJ |
24 | #include <babeltrace2/logging.h> |
25 | #include <babeltrace2/version.h> | |
1e0aa71d | 26 | |
350ad6c1 | 27 | #define BT_LOG_TAG "LIB/LOGGING" |
c2d9d9cf | 28 | #include "lib/logging.h" |
beb0fb75 | 29 | |
464ebc31 PP |
30 | #ifdef BT_DEV_MODE |
31 | /* | |
32 | * Default log level is FATAL in developer mode because fatal logging is | |
33 | * our way to communicate an unsatisfied precondition and the details. | |
34 | */ | |
35 | # define DEFAULT_LOG_LEVEL BT_LOG_FATAL | |
36 | #else | |
37 | /* | |
3f3b1761 | 38 | * In non-developer mode, use NONE by default: we don't print logging |
464ebc31 | 39 | * statements for any executable which links with the library. The |
3f3b1761 PP |
40 | * executable must call bt_logging_set_global_level() or the |
41 | * executable's user must set the BABELTRACE_LOGGING_GLOBAL_LEVEL | |
42 | * environment variable to enable logging. | |
464ebc31 PP |
43 | */ |
44 | # define DEFAULT_LOG_LEVEL BT_LOG_NONE | |
45 | #endif /* BT_DEV_MODE */ | |
46 | ||
464ebc31 | 47 | int bt_lib_log_level = DEFAULT_LOG_LEVEL; |
beb0fb75 PP |
48 | |
49 | enum bt_logging_level bt_logging_get_minimal_level(void) | |
50 | { | |
51 | return BT_LOG_LEVEL; | |
52 | } | |
53 | ||
54 | enum bt_logging_level bt_logging_get_global_level(void) | |
55 | { | |
56 | return bt_lib_log_level; | |
57 | } | |
58 | ||
59 | void bt_logging_set_global_level(enum bt_logging_level log_level) | |
60 | { | |
464ebc31 PP |
61 | #ifdef BT_DEV_MODE |
62 | /* | |
63 | * Do not allow the library's log level to fall to NONE when in | |
64 | * developer mode because fatal logging is our way to | |
65 | * communicate an unsatisfied precondition and the details. | |
66 | */ | |
67 | if (log_level == BT_LOG_NONE) { | |
68 | log_level = BT_LOG_FATAL; | |
69 | } | |
70 | #endif | |
71 | ||
beb0fb75 PP |
72 | bt_lib_log_level = log_level; |
73 | } | |
74 | ||
75 | static | |
76 | void __attribute__((constructor)) bt_logging_ctor(void) | |
77 | { | |
1e0aa71d PP |
78 | const char *v_extra = bt_version_get_extra() ? bt_version_get_extra() : |
79 | ""; | |
beb0fb75 | 80 | |
373c938b PP |
81 | bt_logging_set_global_level( |
82 | bt_log_get_level_from_env("BABELTRACE_LOGGING_GLOBAL_LEVEL")); | |
1e0aa71d PP |
83 | BT_LOGI("Babeltrace %d.%d.%d%s library loaded: " |
84 | "major=%d, minor=%d, patch=%d, extra=\"%s\"", | |
85 | bt_version_get_major(), bt_version_get_minor(), | |
86 | bt_version_get_patch(), v_extra, | |
87 | bt_version_get_major(), bt_version_get_minor(), | |
88 | bt_version_get_patch(), v_extra); | |
beb0fb75 | 89 | } |