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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 | ||
98903a3e PP |
26 | #define BT_LOG_OUTPUT_LEVEL log_level |
27 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/META" | |
28 | #include "logging/log.h" | |
29 | ||
e98a2d6e PP |
30 | #include <stdio.h> |
31 | #include <stdint.h> | |
32 | #include <stdlib.h> | |
33 | #include <stdbool.h> | |
578e048b | 34 | #include "common/assert.h" |
e98a2d6e | 35 | #include <glib.h> |
578e048b MJ |
36 | #include "compat/uuid.h" |
37 | #include "compat/memstream.h" | |
3fadfbc0 | 38 | #include <babeltrace2/babeltrace.h> |
e98a2d6e | 39 | |
56a1cced JG |
40 | #include "fs.h" |
41 | #include "file.h" | |
42 | #include "metadata.h" | |
1e649dff | 43 | #include "../common/metadata/decoder.h" |
e98a2d6e | 44 | |
33f93973 PP |
45 | BT_HIDDEN |
46 | FILE *ctf_fs_metadata_open_file(const char *trace_path) | |
47 | { | |
4dd8c9bf | 48 | GString *metadata_path; |
33f93973 PP |
49 | FILE *fp = NULL; |
50 | ||
4dd8c9bf | 51 | metadata_path = g_string_new(trace_path); |
33f93973 | 52 | if (!metadata_path) { |
4dd8c9bf | 53 | goto end; |
33f93973 PP |
54 | } |
55 | ||
3743a302 | 56 | g_string_append(metadata_path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
33f93973 | 57 | fp = fopen(metadata_path->str, "rb"); |
33f93973 | 58 | g_string_free(metadata_path, TRUE); |
4dd8c9bf | 59 | end: |
33f93973 PP |
60 | return fp; |
61 | } | |
62 | ||
98903a3e PP |
63 | static struct ctf_fs_file *get_file(const char *trace_path, |
64 | bt_logging_level log_level) | |
e98a2d6e | 65 | { |
98903a3e | 66 | struct ctf_fs_file *file = ctf_fs_file_create(log_level); |
e98a2d6e PP |
67 | |
68 | if (!file) { | |
69 | goto error; | |
70 | } | |
71 | ||
72 | g_string_append(file->path, trace_path); | |
3743a302 | 73 | g_string_append(file->path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
e98a2d6e | 74 | |
55314f2a | 75 | if (ctf_fs_file_open(file, "rb")) { |
e98a2d6e PP |
76 | goto error; |
77 | } | |
78 | ||
79 | goto end; | |
80 | ||
81 | error: | |
82 | if (file) { | |
83 | ctf_fs_file_destroy(file); | |
84 | file = NULL; | |
85 | } | |
86 | ||
87 | end: | |
88 | return file; | |
89 | } | |
90 | ||
41693723 PP |
91 | BT_HIDDEN |
92 | int ctf_fs_metadata_set_trace_class( | |
93 | bt_self_component_source *self_comp, | |
94 | struct ctf_fs_trace *ctf_fs_trace, | |
a2a54545 | 95 | struct ctf_fs_metadata_config *config) |
e98a2d6e PP |
96 | { |
97 | int ret = 0; | |
1e649dff | 98 | struct ctf_fs_file *file = NULL; |
a2a54545 | 99 | struct ctf_metadata_decoder_config decoder_config = { |
98903a3e | 100 | .log_level = ctf_fs_trace->log_level, |
f7b785ac | 101 | .self_comp = bt_self_component_source_as_self_component(self_comp), |
297941e3 JG |
102 | .clock_class_offset_s = config ? config->clock_class_offset_s : 0, |
103 | .clock_class_offset_ns = config ? config->clock_class_offset_ns : 0, | |
a2a54545 | 104 | }; |
98903a3e | 105 | bt_logging_level log_level = ctf_fs_trace->log_level; |
e98a2d6e | 106 | |
98903a3e | 107 | file = get_file(ctf_fs_trace->path->str, log_level); |
e98a2d6e | 108 | if (!file) { |
55314f2a | 109 | BT_LOGE("Cannot create metadata file object"); |
8318bbaa | 110 | ret = -1; |
1e649dff | 111 | goto end; |
e98a2d6e PP |
112 | } |
113 | ||
f7b785ac PP |
114 | ctf_fs_trace->metadata->decoder = ctf_metadata_decoder_create( |
115 | &decoder_config); | |
44c440bc | 116 | if (!ctf_fs_trace->metadata->decoder) { |
55314f2a | 117 | BT_LOGE("Cannot create metadata decoder object"); |
8318bbaa | 118 | ret = -1; |
1e649dff | 119 | goto end; |
e98a2d6e PP |
120 | } |
121 | ||
44c440bc PP |
122 | ret = ctf_metadata_decoder_decode(ctf_fs_trace->metadata->decoder, |
123 | file->fp); | |
1e649dff | 124 | if (ret) { |
55314f2a | 125 | BT_LOGE("Cannot decode metadata file"); |
1e649dff | 126 | goto end; |
e98a2d6e PP |
127 | } |
128 | ||
862ca4ed PP |
129 | ctf_fs_trace->metadata->trace_class = |
130 | ctf_metadata_decoder_get_ir_trace_class( | |
131 | ctf_fs_trace->metadata->decoder); | |
41693723 | 132 | BT_ASSERT(!self_comp || ctf_fs_trace->metadata->trace_class); |
44c440bc PP |
133 | ctf_fs_trace->metadata->tc = |
134 | ctf_metadata_decoder_borrow_ctf_trace_class( | |
135 | ctf_fs_trace->metadata->decoder); | |
136 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
4f1f88a6 | 137 | |
e98a2d6e | 138 | end: |
1e649dff | 139 | ctf_fs_file_destroy(file); |
4f1f88a6 | 140 | return ret; |
e98a2d6e PP |
141 | } |
142 | ||
41693723 | 143 | BT_HIDDEN |
e98a2d6e PP |
144 | int ctf_fs_metadata_init(struct ctf_fs_metadata *metadata) |
145 | { | |
5b29e799 | 146 | /* Nothing to initialize for the moment. */ |
e98a2d6e PP |
147 | return 0; |
148 | } | |
149 | ||
41693723 | 150 | BT_HIDDEN |
413bc2c4 | 151 | void ctf_fs_metadata_fini(struct ctf_fs_metadata *metadata) |
e98a2d6e PP |
152 | { |
153 | if (metadata->text) { | |
154 | free(metadata->text); | |
155 | } | |
156 | ||
862ca4ed | 157 | if (metadata->trace_class) { |
c5b9b441 | 158 | BT_TRACE_CLASS_PUT_REF_AND_RESET(metadata->trace_class); |
e98a2d6e | 159 | } |
44c440bc PP |
160 | |
161 | if (metadata->decoder) { | |
162 | ctf_metadata_decoder_destroy(metadata->decoder); | |
163 | } | |
e98a2d6e | 164 | } |