4 * Babeltrace CTF IR - Clock
6 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include <babeltrace/ctf-ir/clock-internal.h>
30 #include <babeltrace/ctf-writer/writer-internal.h>
31 #include <babeltrace/compiler.h>
35 void bt_ctf_clock_destroy(struct bt_ctf_ref
*ref
);
38 struct bt_ctf_clock
*_bt_ctf_clock_create(void)
40 struct bt_ctf_clock
*clock
= g_new0(
41 struct bt_ctf_clock
, 1);
48 clock
->frequency
= 1000000000;
49 bt_ctf_ref_init(&clock
->ref_count
);
55 int bt_ctf_clock_set_name(struct bt_ctf_clock
*clock
,
60 if (validate_identifier(name
)) {
66 g_string_assign(clock
->name
, name
);
68 clock
->name
= g_string_new(name
);
79 struct bt_ctf_clock
*bt_ctf_clock_create(const char *name
)
82 struct bt_ctf_clock
*clock
= NULL
;
84 clock
= _bt_ctf_clock_create();
89 ret
= bt_ctf_clock_set_name(clock
, name
);
94 ret
= babeltrace_uuid_generate(clock
->uuid
);
102 bt_ctf_clock_destroy(&clock
->ref_count
);
107 const char *bt_ctf_clock_get_name(struct bt_ctf_clock
*clock
)
109 const char *ret
= NULL
;
116 ret
= clock
->name
->str
;
123 const char *bt_ctf_clock_get_description(struct bt_ctf_clock
*clock
)
125 const char *ret
= NULL
;
131 if (clock
->description
) {
132 ret
= clock
->description
->str
;
138 int bt_ctf_clock_set_description(struct bt_ctf_clock
*clock
, const char *desc
)
142 if (!clock
|| !desc
|| clock
->frozen
) {
147 clock
->description
= g_string_new(desc
);
148 ret
= clock
->description
? 0 : -1;
153 uint64_t bt_ctf_clock_get_frequency(struct bt_ctf_clock
*clock
)
155 uint64_t ret
= -1ULL;
161 ret
= clock
->frequency
;
166 int bt_ctf_clock_set_frequency(struct bt_ctf_clock
*clock
, uint64_t freq
)
170 if (!clock
|| clock
->frozen
) {
175 clock
->frequency
= freq
;
180 uint64_t bt_ctf_clock_get_precision(struct bt_ctf_clock
*clock
)
182 uint64_t ret
= -1ULL;
188 ret
= clock
->precision
;
193 int bt_ctf_clock_set_precision(struct bt_ctf_clock
*clock
, uint64_t precision
)
197 if (!clock
|| clock
->frozen
) {
202 clock
->precision
= precision
;
207 uint64_t bt_ctf_clock_get_offset_s(struct bt_ctf_clock
*clock
)
209 uint64_t ret
= -1ULL;
215 ret
= clock
->offset_s
;
220 int bt_ctf_clock_set_offset_s(struct bt_ctf_clock
*clock
, uint64_t offset_s
)
224 if (!clock
|| clock
->frozen
) {
229 clock
->offset_s
= offset_s
;
234 uint64_t bt_ctf_clock_get_offset(struct bt_ctf_clock
*clock
)
236 uint64_t ret
= -1ULL;
247 int bt_ctf_clock_set_offset(struct bt_ctf_clock
*clock
, uint64_t offset
)
251 if (!clock
|| clock
->frozen
) {
256 clock
->offset
= offset
;
261 int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock
*clock
)
269 ret
= clock
->absolute
;
274 int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock
*clock
, int is_absolute
)
278 if (!clock
|| clock
->frozen
) {
283 clock
->absolute
= !!is_absolute
;
288 const unsigned char *bt_ctf_clock_get_uuid(struct bt_ctf_clock
*clock
)
290 const unsigned char *ret
;
292 if (!clock
|| !clock
->uuid_set
) {
302 int bt_ctf_clock_set_uuid(struct bt_ctf_clock
*clock
, const unsigned char *uuid
)
306 if (!clock
|| !uuid
|| clock
->frozen
) {
311 memcpy(clock
->uuid
, uuid
, sizeof(uuid_t
));
317 uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock
*clock
)
319 uint64_t ret
= -1ULL;
330 int bt_ctf_clock_set_time(struct bt_ctf_clock
*clock
, uint64_t time
)
334 /* Timestamps are strictly monotonic */
335 if (!clock
|| time
< clock
->time
) {
345 void bt_ctf_clock_get(struct bt_ctf_clock
*clock
)
351 bt_ctf_ref_get(&clock
->ref_count
);
354 void bt_ctf_clock_put(struct bt_ctf_clock
*clock
)
360 bt_ctf_ref_put(&clock
->ref_count
, bt_ctf_clock_destroy
);
364 void bt_ctf_clock_freeze(struct bt_ctf_clock
*clock
)
374 void bt_ctf_clock_serialize(struct bt_ctf_clock
*clock
,
375 struct metadata_context
*context
)
379 if (!clock
|| !context
) {
384 g_string_append(context
->string
, "clock {\n");
385 g_string_append_printf(context
->string
, "\tname = %s;\n",
387 g_string_append_printf(context
->string
,
388 "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
389 uuid
[0], uuid
[1], uuid
[2], uuid
[3],
390 uuid
[4], uuid
[5], uuid
[6], uuid
[7],
391 uuid
[8], uuid
[9], uuid
[10], uuid
[11],
392 uuid
[12], uuid
[13], uuid
[14], uuid
[15]);
393 if (clock
->description
) {
394 g_string_append_printf(context
->string
, "\tdescription = \"%s\";\n",
395 clock
->description
->str
);
398 g_string_append_printf(context
->string
, "\tfreq = %" PRIu64
";\n",
400 g_string_append_printf(context
->string
, "\tprecision = %" PRIu64
";\n",
402 g_string_append_printf(context
->string
, "\toffset_s = %" PRIu64
";\n",
404 g_string_append_printf(context
->string
, "\toffset = %" PRIu64
";\n",
406 g_string_append_printf(context
->string
, "\tabsolute = %s;\n",
407 clock
->absolute
? "TRUE" : "FALSE");
408 g_string_append(context
->string
, "};\n\n");
412 void bt_ctf_clock_destroy(struct bt_ctf_ref
*ref
)
414 struct bt_ctf_clock
*clock
;
420 clock
= container_of(ref
, struct bt_ctf_clock
, ref_count
);
422 g_string_free(clock
->name
, TRUE
);
425 if (clock
->description
) {
426 g_string_free(clock
->description
, TRUE
);
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