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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> | |
8b45963b | 30 | #include <babeltrace/assert-internal.h> |
e98a2d6e | 31 | #include <glib.h> |
3d9990ac PP |
32 | #include <babeltrace/compat/uuid-internal.h> |
33 | #include <babeltrace/compat/memstream-internal.h> | |
e0831b38 | 34 | #include <babeltrace/babeltrace.h> |
e98a2d6e | 35 | |
56a1cced JG |
36 | #include "fs.h" |
37 | #include "file.h" | |
38 | #include "metadata.h" | |
1e649dff | 39 | #include "../common/metadata/decoder.h" |
e98a2d6e | 40 | |
55314f2a JG |
41 | #define BT_LOG_TAG "PLUGIN-CTF-FS-METADATA-SRC" |
42 | #include "logging.h" | |
43 | ||
33f93973 PP |
44 | BT_HIDDEN |
45 | FILE *ctf_fs_metadata_open_file(const char *trace_path) | |
46 | { | |
e9287513 | 47 | GString *metadata_path; |
33f93973 PP |
48 | FILE *fp = NULL; |
49 | ||
e9287513 | 50 | metadata_path = g_string_new(trace_path); |
33f93973 | 51 | if (!metadata_path) { |
e9287513 | 52 | goto end; |
33f93973 PP |
53 | } |
54 | ||
2c7bce29 | 55 | g_string_append(metadata_path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
33f93973 | 56 | fp = fopen(metadata_path->str, "rb"); |
33f93973 | 57 | g_string_free(metadata_path, TRUE); |
e9287513 | 58 | end: |
33f93973 PP |
59 | return fp; |
60 | } | |
61 | ||
55314f2a | 62 | static struct ctf_fs_file *get_file(const char *trace_path) |
e98a2d6e | 63 | { |
55314f2a | 64 | struct ctf_fs_file *file = ctf_fs_file_create(); |
e98a2d6e PP |
65 | |
66 | if (!file) { | |
67 | goto error; | |
68 | } | |
69 | ||
70 | g_string_append(file->path, trace_path); | |
2c7bce29 | 71 | g_string_append(file->path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME); |
e98a2d6e | 72 | |
55314f2a | 73 | if (ctf_fs_file_open(file, "rb")) { |
e98a2d6e PP |
74 | goto error; |
75 | } | |
76 | ||
77 | goto end; | |
78 | ||
79 | error: | |
80 | if (file) { | |
81 | ctf_fs_file_destroy(file); | |
82 | file = NULL; | |
83 | } | |
84 | ||
85 | end: | |
86 | return file; | |
87 | } | |
88 | ||
10b7a2e4 | 89 | int ctf_fs_metadata_set_trace_class(struct ctf_fs_trace *ctf_fs_trace, |
53ac3428 | 90 | struct ctf_fs_metadata_config *config) |
e98a2d6e PP |
91 | { |
92 | int ret = 0; | |
1e649dff | 93 | struct ctf_fs_file *file = NULL; |
53ac3428 | 94 | struct ctf_metadata_decoder_config decoder_config = { |
7d36c29a 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, | |
53ac3428 | 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 | ||
7b33a0e0 | 106 | ctf_fs_trace->metadata->decoder = ctf_metadata_decoder_create( |
10b7a2e4 | 107 | config ? &decoder_config : NULL); |
7b33a0e0 | 108 | if (!ctf_fs_trace->metadata->decoder) { |
55314f2a | 109 | BT_LOGE("Cannot create metadata decoder object"); |
8318bbaa | 110 | ret = -1; |
1e649dff | 111 | goto end; |
e98a2d6e PP |
112 | } |
113 | ||
7b33a0e0 PP |
114 | ret = ctf_metadata_decoder_decode(ctf_fs_trace->metadata->decoder, |
115 | file->fp); | |
1e649dff | 116 | if (ret) { |
55314f2a | 117 | BT_LOGE("Cannot decode metadata file"); |
1e649dff | 118 | goto end; |
e98a2d6e PP |
119 | } |
120 | ||
10b7a2e4 PP |
121 | ctf_fs_trace->metadata->trace_class = |
122 | ctf_metadata_decoder_get_ir_trace_class( | |
123 | ctf_fs_trace->metadata->decoder); | |
124 | BT_ASSERT(ctf_fs_trace->metadata->trace_class); | |
7b33a0e0 PP |
125 | ctf_fs_trace->metadata->tc = |
126 | ctf_metadata_decoder_borrow_ctf_trace_class( | |
127 | ctf_fs_trace->metadata->decoder); | |
128 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
4f1f88a6 | 129 | |
e98a2d6e | 130 | end: |
1e649dff | 131 | ctf_fs_file_destroy(file); |
4f1f88a6 | 132 | return ret; |
e98a2d6e PP |
133 | } |
134 | ||
135 | int ctf_fs_metadata_init(struct ctf_fs_metadata *metadata) | |
136 | { | |
5b29e799 | 137 | /* Nothing to initialize for the moment. */ |
e98a2d6e PP |
138 | return 0; |
139 | } | |
140 | ||
413bc2c4 | 141 | void ctf_fs_metadata_fini(struct ctf_fs_metadata *metadata) |
e98a2d6e PP |
142 | { |
143 | if (metadata->text) { | |
144 | free(metadata->text); | |
145 | } | |
146 | ||
10b7a2e4 | 147 | if (metadata->trace_class) { |
8c6884d9 | 148 | BT_TRACE_CLASS_PUT_REF_AND_RESET(metadata->trace_class); |
e98a2d6e | 149 | } |
7b33a0e0 PP |
150 | |
151 | if (metadata->decoder) { | |
152 | ctf_metadata_decoder_destroy(metadata->decoder); | |
153 | } | |
e98a2d6e | 154 | } |