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
26 #define BT_COMP_LOG_SELF_COMP self_comp
27 #define BT_LOG_OUTPUT_LEVEL log_level
28 #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/META"
29 #include "logging/comp-logging.h"
35 #include "common/assert.h"
37 #include "common/uuid.h"
38 #include "compat/memstream.h"
39 #include <babeltrace2/babeltrace.h>
44 #include "../common/metadata/decoder.h"
47 FILE *ctf_fs_metadata_open_file(const char *trace_path
)
49 GString
*metadata_path
;
52 metadata_path
= g_string_new(trace_path
);
57 g_string_append(metadata_path
, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME
);
58 fp
= fopen(metadata_path
->str
, "rb");
59 g_string_free(metadata_path
, TRUE
);
64 static struct ctf_fs_file
*get_file(const char *trace_path
,
65 bt_logging_level log_level
, bt_self_component
*self_comp
)
67 struct ctf_fs_file
*file
= ctf_fs_file_create(log_level
, self_comp
);
73 g_string_append(file
->path
, trace_path
);
74 g_string_append(file
->path
, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME
);
76 if (ctf_fs_file_open(file
, "rb")) {
84 ctf_fs_file_destroy(file
);
93 int ctf_fs_metadata_set_trace_class(
94 bt_self_component
*self_comp
,
95 struct ctf_fs_trace
*ctf_fs_trace
,
96 struct ctf_fs_metadata_config
*config
)
99 struct ctf_fs_file
*file
= NULL
;
100 struct ctf_metadata_decoder_config decoder_config
= {
101 .log_level
= ctf_fs_trace
->log_level
,
102 .self_comp
= self_comp
,
103 .clock_class_offset_s
= config
? config
->clock_class_offset_s
: 0,
104 .clock_class_offset_ns
= config
? config
->clock_class_offset_ns
: 0,
106 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
108 file
= get_file(ctf_fs_trace
->path
->str
, log_level
, self_comp
);
110 BT_COMP_LOGE("Cannot create metadata file object");
115 ctf_fs_trace
->metadata
->decoder
= ctf_metadata_decoder_create(
117 if (!ctf_fs_trace
->metadata
->decoder
) {
118 BT_COMP_LOGE("Cannot create metadata decoder object");
123 ret
= ctf_metadata_decoder_decode(ctf_fs_trace
->metadata
->decoder
,
126 BT_COMP_LOGE("Cannot decode metadata file");
130 ctf_fs_trace
->metadata
->trace_class
=
131 ctf_metadata_decoder_get_ir_trace_class(
132 ctf_fs_trace
->metadata
->decoder
);
133 BT_ASSERT(!self_comp
|| ctf_fs_trace
->metadata
->trace_class
);
134 ctf_fs_trace
->metadata
->tc
=
135 ctf_metadata_decoder_borrow_ctf_trace_class(
136 ctf_fs_trace
->metadata
->decoder
);
137 BT_ASSERT(ctf_fs_trace
->metadata
->tc
);
140 ctf_fs_file_destroy(file
);
145 int ctf_fs_metadata_init(struct ctf_fs_metadata
*metadata
)
147 /* Nothing to initialize for the moment. */
152 void ctf_fs_metadata_fini(struct ctf_fs_metadata
*metadata
)
154 free(metadata
->text
);
156 if (metadata
->trace_class
) {
157 BT_TRACE_CLASS_PUT_REF_AND_RESET(metadata
->trace_class
);
160 if (metadata
->decoder
) {
161 ctf_metadata_decoder_destroy(metadata
->decoder
);