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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 | { | |
46 | GString *metadata_path = g_string_new(trace_path); | |
47 | FILE *fp = NULL; | |
48 | ||
49 | if (!metadata_path) { | |
50 | goto error; | |
51 | } | |
52 | ||
53 | g_string_append(metadata_path, "/" CTF_FS_METADATA_FILENAME); | |
54 | fp = fopen(metadata_path->str, "rb"); | |
55 | if (!fp) { | |
56 | goto error; | |
57 | } | |
58 | ||
59 | goto end; | |
60 | ||
61 | error: | |
62 | if (fp) { | |
63 | fclose(fp); | |
64 | fp = NULL; | |
65 | } | |
66 | ||
67 | end: | |
68 | g_string_free(metadata_path, TRUE); | |
69 | return fp; | |
70 | } | |
71 | ||
55314f2a | 72 | static struct ctf_fs_file *get_file(const char *trace_path) |
e98a2d6e | 73 | { |
55314f2a | 74 | struct ctf_fs_file *file = ctf_fs_file_create(); |
e98a2d6e PP |
75 | |
76 | if (!file) { | |
77 | goto error; | |
78 | } | |
79 | ||
80 | g_string_append(file->path, trace_path); | |
81 | g_string_append(file->path, "/" CTF_FS_METADATA_FILENAME); | |
82 | ||
55314f2a | 83 | if (ctf_fs_file_open(file, "rb")) { |
e98a2d6e PP |
84 | goto error; |
85 | } | |
86 | ||
87 | goto end; | |
88 | ||
89 | error: | |
90 | if (file) { | |
91 | ctf_fs_file_destroy(file); | |
92 | file = NULL; | |
93 | } | |
94 | ||
95 | end: | |
96 | return file; | |
97 | } | |
98 | ||
55314f2a | 99 | int ctf_fs_metadata_set_trace(struct ctf_fs_trace *ctf_fs_trace, |
a2a54545 | 100 | struct ctf_fs_metadata_config *config) |
e98a2d6e PP |
101 | { |
102 | int ret = 0; | |
1e649dff PP |
103 | struct ctf_fs_file *file = NULL; |
104 | struct ctf_metadata_decoder *metadata_decoder = NULL; | |
a2a54545 PP |
105 | struct ctf_metadata_decoder_config decoder_config = { |
106 | .clock_class_offset_s = config->clock_class_offset_s, | |
107 | .clock_class_offset_ns = config->clock_class_offset_ns, | |
108 | .strict = config->strict, | |
109 | }; | |
e98a2d6e | 110 | |
55314f2a | 111 | file = get_file(ctf_fs_trace->path->str); |
e98a2d6e | 112 | if (!file) { |
55314f2a | 113 | BT_LOGE("Cannot create metadata file object"); |
8318bbaa | 114 | ret = -1; |
1e649dff | 115 | goto end; |
e98a2d6e PP |
116 | } |
117 | ||
a2a54545 | 118 | metadata_decoder = ctf_metadata_decoder_create(&decoder_config, |
55314f2a | 119 | ctf_fs_trace->name->str); |
1e649dff | 120 | if (!metadata_decoder) { |
55314f2a | 121 | BT_LOGE("Cannot create metadata decoder object"); |
8318bbaa | 122 | ret = -1; |
1e649dff | 123 | goto end; |
e98a2d6e PP |
124 | } |
125 | ||
1e649dff PP |
126 | ret = ctf_metadata_decoder_decode(metadata_decoder, file->fp); |
127 | if (ret) { | |
55314f2a | 128 | BT_LOGE("Cannot decode metadata file"); |
1e649dff | 129 | goto end; |
e98a2d6e PP |
130 | } |
131 | ||
1a9f7075 | 132 | ctf_fs_trace->metadata->trace = ctf_metadata_decoder_get_trace( |
1e649dff | 133 | metadata_decoder); |
1a9f7075 | 134 | assert(ctf_fs_trace->metadata->trace); |
4f1f88a6 | 135 | |
e98a2d6e | 136 | end: |
1e649dff PP |
137 | ctf_fs_file_destroy(file); |
138 | ctf_metadata_decoder_destroy(metadata_decoder); | |
4f1f88a6 | 139 | return ret; |
e98a2d6e PP |
140 | } |
141 | ||
142 | int ctf_fs_metadata_init(struct ctf_fs_metadata *metadata) | |
143 | { | |
5b29e799 | 144 | /* Nothing to initialize for the moment. */ |
e98a2d6e PP |
145 | return 0; |
146 | } | |
147 | ||
413bc2c4 | 148 | void ctf_fs_metadata_fini(struct ctf_fs_metadata *metadata) |
e98a2d6e PP |
149 | { |
150 | if (metadata->text) { | |
151 | free(metadata->text); | |
152 | } | |
153 | ||
154 | if (metadata->trace) { | |
155 | BT_PUT(metadata->trace); | |
156 | } | |
157 | } |