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-ir/utils.h>
31 #include <babeltrace/ctf-writer/writer-internal.h>
32 #include <babeltrace/compiler.h>
36 void bt_ctf_clock_destroy(struct bt_ctf_ref
*ref
);
39 struct bt_ctf_clock
*_bt_ctf_clock_create(void)
41 struct bt_ctf_clock
*clock
= g_new0(
42 struct bt_ctf_clock
, 1);
49 clock
->frequency
= 1000000000;
50 bt_ctf_ref_init(&clock
->ref_count
);
56 int bt_ctf_clock_set_name(struct bt_ctf_clock
*clock
,
61 if (bt_ctf_validate_identifier(name
)) {
67 g_string_assign(clock
->name
, name
);
69 clock
->name
= g_string_new(name
);
80 struct bt_ctf_clock
*bt_ctf_clock_create(const char *name
)
83 struct bt_ctf_clock
*clock
= NULL
;
85 clock
= _bt_ctf_clock_create();
90 ret
= bt_ctf_clock_set_name(clock
, name
);
95 ret
= babeltrace_uuid_generate(clock
->uuid
);
103 bt_ctf_clock_destroy(&clock
->ref_count
);
108 const char *bt_ctf_clock_get_name(struct bt_ctf_clock
*clock
)
110 const char *ret
= NULL
;
117 ret
= clock
->name
->str
;
124 const char *bt_ctf_clock_get_description(struct bt_ctf_clock
*clock
)
126 const char *ret
= NULL
;
132 if (clock
->description
) {
133 ret
= clock
->description
->str
;
139 int bt_ctf_clock_set_description(struct bt_ctf_clock
*clock
, const char *desc
)
143 if (!clock
|| !desc
|| clock
->frozen
) {
148 clock
->description
= g_string_new(desc
);
149 ret
= clock
->description
? 0 : -1;
154 uint64_t bt_ctf_clock_get_frequency(struct bt_ctf_clock
*clock
)
156 uint64_t ret
= -1ULL;
162 ret
= clock
->frequency
;
167 int bt_ctf_clock_set_frequency(struct bt_ctf_clock
*clock
, uint64_t freq
)
171 if (!clock
|| clock
->frozen
) {
176 clock
->frequency
= freq
;
181 uint64_t bt_ctf_clock_get_precision(struct bt_ctf_clock
*clock
)
183 uint64_t ret
= -1ULL;
189 ret
= clock
->precision
;
194 int bt_ctf_clock_set_precision(struct bt_ctf_clock
*clock
, uint64_t precision
)
198 if (!clock
|| clock
->frozen
) {
203 clock
->precision
= precision
;
208 uint64_t bt_ctf_clock_get_offset_s(struct bt_ctf_clock
*clock
)
210 uint64_t ret
= -1ULL;
216 ret
= clock
->offset_s
;
221 int bt_ctf_clock_set_offset_s(struct bt_ctf_clock
*clock
, uint64_t offset_s
)
225 if (!clock
|| clock
->frozen
) {
230 clock
->offset_s
= offset_s
;
235 uint64_t bt_ctf_clock_get_offset(struct bt_ctf_clock
*clock
)
237 uint64_t ret
= -1ULL;
248 int bt_ctf_clock_set_offset(struct bt_ctf_clock
*clock
, uint64_t offset
)
252 if (!clock
|| clock
->frozen
) {
257 clock
->offset
= offset
;
262 int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock
*clock
)
270 ret
= clock
->absolute
;
275 int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock
*clock
, int is_absolute
)
279 if (!clock
|| clock
->frozen
) {
284 clock
->absolute
= !!is_absolute
;
289 const unsigned char *bt_ctf_clock_get_uuid(struct bt_ctf_clock
*clock
)
291 const unsigned char *ret
;
293 if (!clock
|| !clock
->uuid_set
) {
303 int bt_ctf_clock_set_uuid(struct bt_ctf_clock
*clock
, const unsigned char *uuid
)
307 if (!clock
|| !uuid
|| clock
->frozen
) {
312 memcpy(clock
->uuid
, uuid
, sizeof(uuid_t
));
318 uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock
*clock
)
320 uint64_t ret
= -1ULL;
331 int bt_ctf_clock_set_time(struct bt_ctf_clock
*clock
, uint64_t time
)
335 /* Timestamps are strictly monotonic */
336 if (!clock
|| time
< clock
->time
) {
346 void bt_ctf_clock_get(struct bt_ctf_clock
*clock
)
352 bt_ctf_ref_get(&clock
->ref_count
);
355 void bt_ctf_clock_put(struct bt_ctf_clock
*clock
)
361 bt_ctf_ref_put(&clock
->ref_count
, bt_ctf_clock_destroy
);
365 void bt_ctf_clock_freeze(struct bt_ctf_clock
*clock
)
375 void bt_ctf_clock_serialize(struct bt_ctf_clock
*clock
,
376 struct metadata_context
*context
)
380 if (!clock
|| !context
) {
385 g_string_append(context
->string
, "clock {\n");
386 g_string_append_printf(context
->string
, "\tname = %s;\n",
388 g_string_append_printf(context
->string
,
389 "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
390 uuid
[0], uuid
[1], uuid
[2], uuid
[3],
391 uuid
[4], uuid
[5], uuid
[6], uuid
[7],
392 uuid
[8], uuid
[9], uuid
[10], uuid
[11],
393 uuid
[12], uuid
[13], uuid
[14], uuid
[15]);
394 if (clock
->description
) {
395 g_string_append_printf(context
->string
, "\tdescription = \"%s\";\n",
396 clock
->description
->str
);
399 g_string_append_printf(context
->string
, "\tfreq = %" PRIu64
";\n",
401 g_string_append_printf(context
->string
, "\tprecision = %" PRIu64
";\n",
403 g_string_append_printf(context
->string
, "\toffset_s = %" PRIu64
";\n",
405 g_string_append_printf(context
->string
, "\toffset = %" PRIu64
";\n",
407 g_string_append_printf(context
->string
, "\tabsolute = %s;\n",
408 clock
->absolute
? "TRUE" : "FALSE");
409 g_string_append(context
->string
, "};\n\n");
413 void bt_ctf_clock_destroy(struct bt_ctf_ref
*ref
)
415 struct bt_ctf_clock
*clock
;
421 clock
= container_of(ref
, struct bt_ctf_clock
, ref_count
);
423 g_string_free(clock
->name
, TRUE
);
426 if (clock
->description
) {
427 g_string_free(clock
->description
, TRUE
);
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