Commit | Line | Data |
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e98a2d6e PP |
1 | /* |
2 | * Copyright 2016 - Philippe Proulx <pproulx@efficios.com> | |
3 | * Copyright 2010-2011 - EfficiOS Inc. and Linux Foundation | |
4 | * | |
5 | * Some functions are based on older functions written by Mathieu Desnoyers. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | * SOFTWARE. | |
24 | */ | |
25 | ||
4c65a157 | 26 | #define BT_COMP_LOG_SELF_COMP self_comp |
98903a3e PP |
27 | #define BT_LOG_OUTPUT_LEVEL log_level |
28 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/META" | |
4c65a157 | 29 | #include "plugins/comp-logging.h" |
98903a3e | 30 | |
e98a2d6e PP |
31 | #include <stdio.h> |
32 | #include <stdint.h> | |
33 | #include <stdlib.h> | |
34 | #include <stdbool.h> | |
578e048b | 35 | #include "common/assert.h" |
e98a2d6e | 36 | #include <glib.h> |
6162e6b7 | 37 | #include "common/uuid.h" |
578e048b | 38 | #include "compat/memstream.h" |
3fadfbc0 | 39 | #include <babeltrace2/babeltrace.h> |
e98a2d6e | 40 | |
56a1cced JG |
41 | #include "fs.h" |
42 | #include "file.h" | |
43 | #include "metadata.h" | |
1e649dff | 44 | #include "../common/metadata/decoder.h" |
e98a2d6e | 45 | |
33f93973 PP |
46 | BT_HIDDEN |
47 | FILE *ctf_fs_metadata_open_file(const char *trace_path) | |
48 | { | |
4dd8c9bf | 49 | GString *metadata_path; |
33f93973 PP |
50 | FILE *fp = NULL; |
51 | ||
4dd8c9bf | 52 | metadata_path = g_string_new(trace_path); |
33f93973 | 53 | if (!metadata_path) { |
4dd8c9bf | 54 | goto end; |
33f93973 PP |
55 | } |
56 | ||
3743a302 | 57 | g_string_append(metadata_path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
33f93973 | 58 | fp = fopen(metadata_path->str, "rb"); |
33f93973 | 59 | g_string_free(metadata_path, TRUE); |
4dd8c9bf | 60 | end: |
33f93973 PP |
61 | return fp; |
62 | } | |
63 | ||
98903a3e | 64 | static struct ctf_fs_file *get_file(const char *trace_path, |
4c65a157 | 65 | bt_logging_level log_level, bt_self_component *self_comp) |
e98a2d6e | 66 | { |
4c65a157 | 67 | struct ctf_fs_file *file = ctf_fs_file_create(log_level, self_comp); |
e98a2d6e PP |
68 | |
69 | if (!file) { | |
70 | goto error; | |
71 | } | |
72 | ||
73 | g_string_append(file->path, trace_path); | |
3743a302 | 74 | g_string_append(file->path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
e98a2d6e | 75 | |
55314f2a | 76 | if (ctf_fs_file_open(file, "rb")) { |
e98a2d6e PP |
77 | goto error; |
78 | } | |
79 | ||
80 | goto end; | |
81 | ||
82 | error: | |
83 | if (file) { | |
84 | ctf_fs_file_destroy(file); | |
85 | file = NULL; | |
86 | } | |
87 | ||
88 | end: | |
89 | return file; | |
90 | } | |
91 | ||
41693723 PP |
92 | BT_HIDDEN |
93 | int ctf_fs_metadata_set_trace_class( | |
4c65a157 | 94 | bt_self_component *self_comp, |
41693723 | 95 | struct ctf_fs_trace *ctf_fs_trace, |
a2a54545 | 96 | struct ctf_fs_metadata_config *config) |
e98a2d6e PP |
97 | { |
98 | int ret = 0; | |
1e649dff | 99 | struct ctf_fs_file *file = NULL; |
a2a54545 | 100 | struct ctf_metadata_decoder_config decoder_config = { |
98903a3e | 101 | .log_level = ctf_fs_trace->log_level, |
4c65a157 | 102 | .self_comp = self_comp, |
297941e3 JG |
103 | .clock_class_offset_s = config ? config->clock_class_offset_s : 0, |
104 | .clock_class_offset_ns = config ? config->clock_class_offset_ns : 0, | |
a2a54545 | 105 | }; |
98903a3e | 106 | bt_logging_level log_level = ctf_fs_trace->log_level; |
e98a2d6e | 107 | |
4c65a157 | 108 | file = get_file(ctf_fs_trace->path->str, log_level, self_comp); |
e98a2d6e | 109 | if (!file) { |
4c65a157 | 110 | BT_COMP_LOGE("Cannot create metadata file object"); |
8318bbaa | 111 | ret = -1; |
1e649dff | 112 | goto end; |
e98a2d6e PP |
113 | } |
114 | ||
f7b785ac PP |
115 | ctf_fs_trace->metadata->decoder = ctf_metadata_decoder_create( |
116 | &decoder_config); | |
44c440bc | 117 | if (!ctf_fs_trace->metadata->decoder) { |
4c65a157 | 118 | BT_COMP_LOGE("Cannot create metadata decoder object"); |
8318bbaa | 119 | ret = -1; |
1e649dff | 120 | goto end; |
e98a2d6e PP |
121 | } |
122 | ||
44c440bc PP |
123 | ret = ctf_metadata_decoder_decode(ctf_fs_trace->metadata->decoder, |
124 | file->fp); | |
1e649dff | 125 | if (ret) { |
4c65a157 | 126 | BT_COMP_LOGE("Cannot decode metadata file"); |
1e649dff | 127 | goto end; |
e98a2d6e PP |
128 | } |
129 | ||
862ca4ed PP |
130 | ctf_fs_trace->metadata->trace_class = |
131 | ctf_metadata_decoder_get_ir_trace_class( | |
132 | ctf_fs_trace->metadata->decoder); | |
41693723 | 133 | BT_ASSERT(!self_comp || ctf_fs_trace->metadata->trace_class); |
44c440bc PP |
134 | ctf_fs_trace->metadata->tc = |
135 | ctf_metadata_decoder_borrow_ctf_trace_class( | |
136 | ctf_fs_trace->metadata->decoder); | |
137 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
4f1f88a6 | 138 | |
e98a2d6e | 139 | end: |
1e649dff | 140 | ctf_fs_file_destroy(file); |
4f1f88a6 | 141 | return ret; |
e98a2d6e PP |
142 | } |
143 | ||
41693723 | 144 | BT_HIDDEN |
e98a2d6e PP |
145 | int ctf_fs_metadata_init(struct ctf_fs_metadata *metadata) |
146 | { | |
5b29e799 | 147 | /* Nothing to initialize for the moment. */ |
e98a2d6e PP |
148 | return 0; |
149 | } | |
150 | ||
41693723 | 151 | BT_HIDDEN |
413bc2c4 | 152 | void ctf_fs_metadata_fini(struct ctf_fs_metadata *metadata) |
e98a2d6e | 153 | { |
6b934a94 | 154 | free(metadata->text); |
e98a2d6e | 155 | |
862ca4ed | 156 | if (metadata->trace_class) { |
c5b9b441 | 157 | BT_TRACE_CLASS_PUT_REF_AND_RESET(metadata->trace_class); |
e98a2d6e | 158 | } |
44c440bc PP |
159 | |
160 | if (metadata->decoder) { | |
161 | ctf_metadata_decoder_destroy(metadata->decoder); | |
162 | } | |
e98a2d6e | 163 | } |