Commit | Line | Data |
---|---|---|
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 | ||
92540773 JD |
43 | #define NSEC_PER_SEC 1000000000LL |
44 | ||
33f93973 PP |
45 | BT_HIDDEN |
46 | FILE *ctf_fs_metadata_open_file(const char *trace_path) | |
47 | { | |
48 | GString *metadata_path = g_string_new(trace_path); | |
49 | FILE *fp = NULL; | |
50 | ||
51 | if (!metadata_path) { | |
52 | goto error; | |
53 | } | |
54 | ||
55 | g_string_append(metadata_path, "/" CTF_FS_METADATA_FILENAME); | |
56 | fp = fopen(metadata_path->str, "rb"); | |
57 | if (!fp) { | |
58 | goto error; | |
59 | } | |
60 | ||
61 | goto end; | |
62 | ||
63 | error: | |
64 | if (fp) { | |
65 | fclose(fp); | |
66 | fp = NULL; | |
67 | } | |
68 | ||
69 | end: | |
70 | g_string_free(metadata_path, TRUE); | |
71 | return fp; | |
72 | } | |
73 | ||
55314f2a | 74 | static struct ctf_fs_file *get_file(const char *trace_path) |
e98a2d6e | 75 | { |
55314f2a | 76 | struct ctf_fs_file *file = ctf_fs_file_create(); |
e98a2d6e PP |
77 | |
78 | if (!file) { | |
79 | goto error; | |
80 | } | |
81 | ||
82 | g_string_append(file->path, trace_path); | |
83 | g_string_append(file->path, "/" CTF_FS_METADATA_FILENAME); | |
84 | ||
55314f2a | 85 | if (ctf_fs_file_open(file, "rb")) { |
e98a2d6e PP |
86 | goto error; |
87 | } | |
88 | ||
89 | goto end; | |
90 | ||
91 | error: | |
92 | if (file) { | |
93 | ctf_fs_file_destroy(file); | |
94 | file = NULL; | |
95 | } | |
96 | ||
97 | end: | |
98 | return file; | |
99 | } | |
100 | ||
55314f2a JG |
101 | int ctf_fs_metadata_set_trace(struct ctf_fs_trace *ctf_fs_trace, |
102 | struct metadata_overrides *overrides) | |
e98a2d6e PP |
103 | { |
104 | int ret = 0; | |
1e649dff PP |
105 | struct ctf_fs_file *file = NULL; |
106 | struct ctf_metadata_decoder *metadata_decoder = NULL; | |
55314f2a | 107 | int64_t clock_offset_adjustment = 0; |
e98a2d6e | 108 | |
55314f2a | 109 | file = get_file(ctf_fs_trace->path->str); |
e98a2d6e | 110 | if (!file) { |
55314f2a | 111 | BT_LOGE("Cannot create metadata file object"); |
8318bbaa | 112 | ret = -1; |
1e649dff | 113 | goto end; |
e98a2d6e PP |
114 | } |
115 | ||
55314f2a JG |
116 | if (overrides) { |
117 | clock_offset_adjustment = | |
118 | overrides->clock_offset_s * NSEC_PER_SEC + | |
119 | overrides->clock_offset_ns; | |
120 | } | |
121 | metadata_decoder = ctf_metadata_decoder_create(clock_offset_adjustment, | |
122 | ctf_fs_trace->name->str); | |
1e649dff | 123 | if (!metadata_decoder) { |
55314f2a | 124 | BT_LOGE("Cannot create metadata decoder object"); |
8318bbaa | 125 | ret = -1; |
1e649dff | 126 | goto end; |
e98a2d6e PP |
127 | } |
128 | ||
1e649dff PP |
129 | ret = ctf_metadata_decoder_decode(metadata_decoder, file->fp); |
130 | if (ret) { | |
55314f2a | 131 | BT_LOGE("Cannot decode metadata file"); |
1e649dff | 132 | goto end; |
e98a2d6e PP |
133 | } |
134 | ||
1a9f7075 | 135 | ctf_fs_trace->metadata->trace = ctf_metadata_decoder_get_trace( |
1e649dff | 136 | metadata_decoder); |
1a9f7075 | 137 | assert(ctf_fs_trace->metadata->trace); |
4f1f88a6 | 138 | |
e98a2d6e | 139 | end: |
1e649dff PP |
140 | ctf_fs_file_destroy(file); |
141 | ctf_metadata_decoder_destroy(metadata_decoder); | |
4f1f88a6 | 142 | return ret; |
e98a2d6e PP |
143 | } |
144 | ||
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 | ||
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 | ||
157 | if (metadata->trace) { | |
158 | BT_PUT(metadata->trace); | |
159 | } | |
160 | } |