Commit | Line | Data |
---|---|---|
beb0fb75 | 1 | /* |
f2b0325d | 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> | |
71c5da58 MJ |
24 | #include <babeltrace2/logging.h> |
25 | #include <babeltrace2/version.h> | |
1e0aa71d | 26 | |
b03487ab | 27 | #define BT_LOG_TAG "LIB/LOGGING" |
1633ef46 | 28 | #include "lib/logging.h" |
beb0fb75 | 29 | |
d244c559 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 | /* | |
46e751e1 | 38 | * In non-developer mode, use NONE by default: we don't print logging |
d244c559 | 39 | * statements for any executable which links with the library. The |
46e751e1 | 40 | * executable must call bt_logging_set_global_level() or the |
d7fd6ecd | 41 | * executable's user must set the `LIBBABELTRACE2_INIT_LOG_LEVEL` |
46e751e1 | 42 | * environment variable to enable logging. |
d244c559 PP |
43 | */ |
44 | # define DEFAULT_LOG_LEVEL BT_LOG_NONE | |
45 | #endif /* BT_DEV_MODE */ | |
46 | ||
aa2ab94c PP |
47 | /* |
48 | * This is exported because even though the Python plugin provider is a | |
49 | * different shared object for packaging purposes, it's still considered | |
50 | * part of the library and therefore needs the library's run-time log | |
51 | * level. | |
52 | */ | |
d244c559 | 53 | int bt_lib_log_level = DEFAULT_LOG_LEVEL; |
beb0fb75 PP |
54 | |
55 | enum bt_logging_level bt_logging_get_minimal_level(void) | |
56 | { | |
57 | return BT_LOG_LEVEL; | |
58 | } | |
59 | ||
60 | enum bt_logging_level bt_logging_get_global_level(void) | |
61 | { | |
62 | return bt_lib_log_level; | |
63 | } | |
64 | ||
65 | void bt_logging_set_global_level(enum bt_logging_level log_level) | |
66 | { | |
d244c559 PP |
67 | #ifdef BT_DEV_MODE |
68 | /* | |
69 | * Do not allow the library's log level to fall to NONE when in | |
70 | * developer mode because fatal logging is our way to | |
71 | * communicate an unsatisfied precondition and the details. | |
72 | */ | |
73 | if (log_level == BT_LOG_NONE) { | |
74 | log_level = BT_LOG_FATAL; | |
75 | } | |
76 | #endif | |
77 | ||
beb0fb75 PP |
78 | bt_lib_log_level = log_level; |
79 | } | |
80 | ||
81 | static | |
82 | void __attribute__((constructor)) bt_logging_ctor(void) | |
83 | { | |
1e0aa71d PP |
84 | const char *v_extra = bt_version_get_extra() ? bt_version_get_extra() : |
85 | ""; | |
beb0fb75 | 86 | |
373c938b | 87 | bt_logging_set_global_level( |
d7fd6ecd | 88 | bt_log_get_level_from_env("LIBBABELTRACE2_INIT_LOG_LEVEL")); |
1e0aa71d PP |
89 | BT_LOGI("Babeltrace %d.%d.%d%s library loaded: " |
90 | "major=%d, minor=%d, patch=%d, extra=\"%s\"", | |
91 | bt_version_get_major(), bt_version_get_minor(), | |
92 | bt_version_get_patch(), v_extra, | |
93 | bt_version_get_major(), bt_version_get_minor(), | |
94 | bt_version_get_patch(), v_extra); | |
beb0fb75 | 95 | } |