2 * Copyright 2016 - Philippe Proulx <pproulx@efficios.com>
3 * Copyright 2010-2011 - EfficiOS Inc. and Linux Foundation
5 * Some functions are based on older functions written by Mathieu Desnoyers.
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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
30 #include <babeltrace/assert-internal.h>
32 #include <babeltrace/compat/uuid-internal.h>
33 #include <babeltrace/compat/memstream-internal.h>
34 #include <babeltrace/babeltrace.h>
39 #include "../common/metadata/decoder.h"
41 #define BT_LOG_TAG "PLUGIN-CTF-FS-METADATA-SRC"
45 FILE *ctf_fs_metadata_open_file(const char *trace_path
)
47 GString
*metadata_path
;
50 metadata_path
= g_string_new(trace_path
);
55 g_string_append(metadata_path
, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME
);
56 fp
= fopen(metadata_path
->str
, "rb");
57 g_string_free(metadata_path
, TRUE
);
62 static struct ctf_fs_file
*get_file(const char *trace_path
)
64 struct ctf_fs_file
*file
= ctf_fs_file_create();
70 g_string_append(file
->path
, trace_path
);
71 g_string_append(file
->path
, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME
);
73 if (ctf_fs_file_open(file
, "rb")) {
81 ctf_fs_file_destroy(file
);
89 int ctf_fs_metadata_set_trace(struct ctf_fs_trace
*ctf_fs_trace
,
90 struct ctf_fs_metadata_config
*config
)
93 struct ctf_fs_file
*file
= NULL
;
94 struct ctf_metadata_decoder
*metadata_decoder
= NULL
;
95 struct ctf_metadata_decoder_config decoder_config
= {
96 .clock_class_offset_s
= config
? config
->clock_class_offset_s
: 0,
97 .clock_class_offset_ns
= config
? config
->clock_class_offset_ns
: 0,
100 file
= get_file(ctf_fs_trace
->path
->str
);
102 BT_LOGE("Cannot create metadata file object");
107 metadata_decoder
= ctf_metadata_decoder_create(
108 config
? &decoder_config
: NULL
,
109 ctf_fs_trace
->name
->str
);
110 if (!metadata_decoder
) {
111 BT_LOGE("Cannot create metadata decoder object");
116 ret
= ctf_metadata_decoder_decode(metadata_decoder
, file
->fp
);
118 BT_LOGE("Cannot decode metadata file");
122 ctf_fs_trace
->metadata
->trace
= ctf_metadata_decoder_get_trace(
124 BT_ASSERT(ctf_fs_trace
->metadata
->trace
);
127 ctf_fs_file_destroy(file
);
128 ctf_metadata_decoder_destroy(metadata_decoder
);
132 int ctf_fs_metadata_init(struct ctf_fs_metadata
*metadata
)
134 /* Nothing to initialize for the moment. */
138 void ctf_fs_metadata_fini(struct ctf_fs_metadata
*metadata
)
140 if (metadata
->text
) {
141 free(metadata
->text
);
144 if (metadata
->trace
) {
145 BT_PUT(metadata
->trace
);