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 | ||
26 | #include <stdio.h> | |
27 | #include <stdint.h> | |
28 | #include <stdlib.h> | |
29 | #include <stdbool.h> | |
1e649dff | 30 | #include <assert.h> |
e98a2d6e | 31 | #include <glib.h> |
3d9990ac PP |
32 | #include <babeltrace/compat/uuid-internal.h> |
33 | #include <babeltrace/compat/memstream-internal.h> | |
e98a2d6e | 34 | |
56a1cced JG |
35 | #include "fs.h" |
36 | #include "file.h" | |
37 | #include "metadata.h" | |
1e649dff | 38 | #include "../common/metadata/decoder.h" |
e98a2d6e | 39 | |
55314f2a JG |
40 | #define BT_LOG_TAG "PLUGIN-CTF-FS-METADATA-SRC" |
41 | #include "logging.h" | |
42 | ||
33f93973 PP |
43 | BT_HIDDEN |
44 | FILE *ctf_fs_metadata_open_file(const char *trace_path) | |
45 | { | |
4dd8c9bf | 46 | GString *metadata_path; |
33f93973 PP |
47 | FILE *fp = NULL; |
48 | ||
4dd8c9bf | 49 | metadata_path = g_string_new(trace_path); |
33f93973 | 50 | if (!metadata_path) { |
4dd8c9bf | 51 | goto end; |
33f93973 PP |
52 | } |
53 | ||
3743a302 | 54 | g_string_append(metadata_path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
33f93973 | 55 | fp = fopen(metadata_path->str, "rb"); |
33f93973 | 56 | g_string_free(metadata_path, TRUE); |
4dd8c9bf | 57 | end: |
33f93973 PP |
58 | return fp; |
59 | } | |
60 | ||
55314f2a | 61 | static struct ctf_fs_file *get_file(const char *trace_path) |
e98a2d6e | 62 | { |
55314f2a | 63 | struct ctf_fs_file *file = ctf_fs_file_create(); |
e98a2d6e PP |
64 | |
65 | if (!file) { | |
66 | goto error; | |
67 | } | |
68 | ||
69 | g_string_append(file->path, trace_path); | |
3743a302 | 70 | g_string_append(file->path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
e98a2d6e | 71 | |
55314f2a | 72 | if (ctf_fs_file_open(file, "rb")) { |
e98a2d6e PP |
73 | goto error; |
74 | } | |
75 | ||
76 | goto end; | |
77 | ||
78 | error: | |
79 | if (file) { | |
80 | ctf_fs_file_destroy(file); | |
81 | file = NULL; | |
82 | } | |
83 | ||
84 | end: | |
85 | return file; | |
86 | } | |
87 | ||
55314f2a | 88 | int ctf_fs_metadata_set_trace(struct ctf_fs_trace *ctf_fs_trace, |
a2a54545 | 89 | struct ctf_fs_metadata_config *config) |
e98a2d6e PP |
90 | { |
91 | int ret = 0; | |
1e649dff PP |
92 | struct ctf_fs_file *file = NULL; |
93 | struct ctf_metadata_decoder *metadata_decoder = NULL; | |
a2a54545 | 94 | struct ctf_metadata_decoder_config decoder_config = { |
297941e3 JG |
95 | .clock_class_offset_s = config ? config->clock_class_offset_s : 0, |
96 | .clock_class_offset_ns = config ? config->clock_class_offset_ns : 0, | |
a2a54545 | 97 | }; |
e98a2d6e | 98 | |
55314f2a | 99 | file = get_file(ctf_fs_trace->path->str); |
e98a2d6e | 100 | if (!file) { |
55314f2a | 101 | BT_LOGE("Cannot create metadata file object"); |
8318bbaa | 102 | ret = -1; |
1e649dff | 103 | goto end; |
e98a2d6e PP |
104 | } |
105 | ||
297941e3 JG |
106 | metadata_decoder = ctf_metadata_decoder_create( |
107 | config ? &decoder_config : NULL, | |
55314f2a | 108 | ctf_fs_trace->name->str); |
1e649dff | 109 | if (!metadata_decoder) { |
55314f2a | 110 | BT_LOGE("Cannot create metadata decoder object"); |
8318bbaa | 111 | ret = -1; |
1e649dff | 112 | goto end; |
e98a2d6e PP |
113 | } |
114 | ||
1e649dff PP |
115 | ret = ctf_metadata_decoder_decode(metadata_decoder, file->fp); |
116 | if (ret) { | |
55314f2a | 117 | BT_LOGE("Cannot decode metadata file"); |
1e649dff | 118 | goto end; |
e98a2d6e PP |
119 | } |
120 | ||
1a9f7075 | 121 | ctf_fs_trace->metadata->trace = ctf_metadata_decoder_get_trace( |
1e649dff | 122 | metadata_decoder); |
1a9f7075 | 123 | assert(ctf_fs_trace->metadata->trace); |
4f1f88a6 | 124 | |
e98a2d6e | 125 | end: |
1e649dff PP |
126 | ctf_fs_file_destroy(file); |
127 | ctf_metadata_decoder_destroy(metadata_decoder); | |
4f1f88a6 | 128 | return ret; |
e98a2d6e PP |
129 | } |
130 | ||
131 | int ctf_fs_metadata_init(struct ctf_fs_metadata *metadata) | |
132 | { | |
5b29e799 | 133 | /* Nothing to initialize for the moment. */ |
e98a2d6e PP |
134 | return 0; |
135 | } | |
136 | ||
413bc2c4 | 137 | void ctf_fs_metadata_fini(struct ctf_fs_metadata *metadata) |
e98a2d6e PP |
138 | { |
139 | if (metadata->text) { | |
140 | free(metadata->text); | |
141 | } | |
142 | ||
143 | if (metadata->trace) { | |
144 | BT_PUT(metadata->trace); | |
145 | } | |
146 | } |