/*
* clock.c
*
- * Babeltrace CTF Writer
+ * Babeltrace CTF IR - Clock
*
- * Copyright 2013 EfficiOS Inc.
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
*
* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* SOFTWARE.
*/
-#include <babeltrace/ctf-writer/clock.h>
#include <babeltrace/ctf-writer/clock-internal.h>
-#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/ctf-ir/clock-class.h>
+#include <babeltrace/ctf-ir/clock-class-internal.h>
+#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/object-internal.h>
#include <babeltrace/compiler.h>
#include <inttypes.h>
static
-void bt_ctf_clock_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_clock_destroy(struct bt_object *obj);
struct bt_ctf_clock *bt_ctf_clock_create(const char *name)
{
struct bt_ctf_clock *clock = NULL;
- if (validate_identifier(name)) {
+ if (!name) {
goto error;
}
clock = g_new0(struct bt_ctf_clock, 1);
+
if (!clock) {
goto error;
}
- clock->name = g_string_new(name);
- if (!clock->name) {
- goto error_destroy;
- }
-
- clock->description = g_string_new(NULL);
- if (!clock->description) {
- goto error_destroy;
+ bt_object_init(clock, bt_ctf_clock_destroy);
+ clock->value = 0;
+ clock->clock_class = bt_ctf_clock_class_create(name);
+ if (!clock->clock_class) {
+ goto error;
}
-
- clock->precision = 1;
- clock->frequency = 1000000000;
- uuid_generate(clock->uuid);
- bt_ctf_ref_init(&clock->ref_count);
return clock;
-error_destroy:
- bt_ctf_clock_destroy(&clock->ref_count);
+
error:
- clock = NULL;
+ BT_PUT(clock);
return clock;
}
+const char *bt_ctf_clock_get_name(struct bt_ctf_clock *clock)
+{
+ const char *name = NULL;
+
+ if (clock) {
+ name = bt_ctf_clock_class_get_name(clock->clock_class);
+ }
+
+ return name;
+}
+
+const char *bt_ctf_clock_get_description(struct bt_ctf_clock *clock)
+{
+ const char *description = NULL;
+
+ if (clock) {
+ description = bt_ctf_clock_class_get_description(
+ clock->clock_class);
+ }
+
+ return description;
+}
+
int bt_ctf_clock_set_description(struct bt_ctf_clock *clock, const char *desc)
{
- int ret = 0;
+ int ret = -1;
- if (!clock || !desc || clock->frozen) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_set_description(clock->clock_class,
+ desc);
}
- clock->description = g_string_assign(clock->description, desc);
- ret = clock->description ? 0 : -1;
-end:
return ret;
}
+uint64_t bt_ctf_clock_get_frequency(struct bt_ctf_clock *clock)
+{
+ uint64_t freq = -1ULL;
+
+ if (clock) {
+ freq = bt_ctf_clock_class_get_frequency(clock->clock_class);
+ }
+
+ return freq;
+}
+
int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock, uint64_t freq)
{
- int ret = 0;
+ int ret = -1;
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_set_frequency(clock->clock_class,
+ freq);
}
- clock->frequency = freq;
-end:
return ret;
}
+uint64_t bt_ctf_clock_get_precision(struct bt_ctf_clock *clock)
+{
+ uint64_t precision = -1ULL;
+
+ if (clock) {
+ precision = bt_ctf_clock_class_get_precision(
+ clock->clock_class);
+ }
+
+ return precision;
+}
+
int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock, uint64_t precision)
{
- int ret = 0;
+ int ret = -1;
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_set_precision(clock->clock_class,
+ precision);
}
- clock->precision = precision;
-end:
return ret;
}
-int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, uint64_t offset_s)
+int bt_ctf_clock_get_offset_s(struct bt_ctf_clock *clock, int64_t *offset_s)
{
- int ret = 0;
+ int ret = -1;
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_get_offset_s(clock->clock_class,
+ offset_s);
}
- clock->offset_s = offset_s;
-end:
return ret;
}
-int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, uint64_t offset)
+int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, int64_t offset_s)
{
- int ret = 0;
+ int ret = -1;
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_set_offset_s(clock->clock_class,
+ offset_s);
}
- clock->offset = offset;
-end:
return ret;
}
-int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute)
+int bt_ctf_clock_get_offset(struct bt_ctf_clock *clock, int64_t *offset)
{
- int ret = 0;
+ int ret = -1;
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_get_offset_cycles(clock->clock_class,
+ offset);
}
- clock->absolute = !!is_absolute;
-end:
return ret;
}
-int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time)
+int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, int64_t offset)
{
- int ret = 0;
+ int ret = -1;
- /* Timestamps are strictly monotonic */
- if (!clock || time < clock->time) {
- ret = -1;
- goto end;
+ if (clock) {
+ ret = bt_ctf_clock_class_set_offset_cycles(clock->clock_class,
+ offset);
}
- clock->time = time;
-end:
return ret;
}
-void bt_ctf_clock_get(struct bt_ctf_clock *clock)
+int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock)
{
- if (!clock) {
- return;
+ int is_absolute = -1;
+
+ if (clock) {
+ is_absolute = bt_ctf_clock_class_get_is_absolute(
+ clock->clock_class);
}
- bt_ctf_ref_get(&clock->ref_count);
+ return is_absolute;
}
-void bt_ctf_clock_put(struct bt_ctf_clock *clock)
+int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute)
{
- if (!clock) {
- return;
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_is_absolute(clock->clock_class,
+ is_absolute);
}
- bt_ctf_ref_put(&clock->ref_count, bt_ctf_clock_destroy);
+ return ret;
}
-BT_HIDDEN
-void bt_ctf_clock_freeze(struct bt_ctf_clock *clock)
+const unsigned char *bt_ctf_clock_get_uuid(struct bt_ctf_clock *clock)
{
- if (!clock) {
- return;
+ const unsigned char *uuid = NULL;
+
+ if (clock) {
+ uuid = bt_ctf_clock_class_get_uuid(clock->clock_class);
}
- clock->frozen = 1;
+ return uuid;
}
-BT_HIDDEN
-void bt_ctf_clock_serialize(struct bt_ctf_clock *clock,
- struct metadata_context *context)
+int bt_ctf_clock_set_uuid(struct bt_ctf_clock *clock, const unsigned char *uuid)
{
- unsigned char *uuid;
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_uuid(clock->clock_class, uuid);
+ }
+
+ return ret;
+}
+
+int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, int64_t time)
+{
+ int ret = 0;
+ int64_t value;
+
+ if (!clock) {
+ ret = -1;
+ goto end;
+ }
- if (!clock || !context) {
- return;
+ /* Common case where cycles are actually nanoseconds */
+ if (clock->clock_class->frequency == 1000000000) {
+ value = time;
+ } else {
+ value = (uint64_t) (((double) time *
+ (double) clock->clock_class->frequency) / 1e9);
}
- uuid = clock->uuid;
- g_string_append(context->string, "clock {\n");
- g_string_append_printf(context->string, "\tname = %s;\n",
- clock->name->str);
- g_string_append_printf(context->string,
- "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
- uuid[0], uuid[1], uuid[2], uuid[3],
- uuid[4], uuid[5], uuid[6], uuid[7],
- uuid[8], uuid[9], uuid[10], uuid[11],
- uuid[12], uuid[13], uuid[14], uuid[15]);
- if (clock->description->len) {
- g_string_append_printf(context->string, "\tdescription = \"%s\";\n",
- clock->description->str);
+ if (clock->value > value) {
+ /* Timestamps must be strictly monotonic. */
+ ret = -1;
+ goto end;
}
- g_string_append_printf(context->string, "\tfreq = %" PRIu64 ";\n",
- clock->frequency);
- g_string_append_printf(context->string, "\tprecision = %" PRIu64 ";\n",
- clock->precision);
- g_string_append_printf(context->string, "\toffset_s = %" PRIu64 ";\n",
- clock->offset_s);
- g_string_append_printf(context->string, "\toffset = %" PRIu64 ";\n",
- clock->offset);
- g_string_append_printf(context->string, "\tabsolute = %s;\n",
- clock->absolute ? "TRUE" : "FALSE");
- g_string_append(context->string, "};\n\n");
+ clock->value = value;
+end:
+ return ret;
}
-BT_HIDDEN
-uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock *clock)
+void bt_ctf_clock_get(struct bt_ctf_clock *clock)
{
- return clock ? clock->time : 0;
+ bt_get(clock);
}
-static
-void bt_ctf_clock_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_clock_put(struct bt_ctf_clock *clock)
{
- struct bt_ctf_clock *clock;
+ bt_put(clock);
+}
- if (!ref) {
- return;
- }
+BT_HIDDEN
+int bt_ctf_clock_get_value(struct bt_ctf_clock *clock, uint64_t *value)
+{
+ int ret = 0;
- clock = container_of(ref, struct bt_ctf_clock, ref_count);
- if (clock->name) {
- g_string_free(clock->name, TRUE);
+ if (!clock || !value) {
+ ret = -1;
+ goto end;
}
- if (clock->description) {
- g_string_free(clock->description, TRUE);
- }
+ *value = clock->value;
+end:
+ return ret;
+}
+
+static
+void bt_ctf_clock_destroy(struct bt_object *obj)
+{
+ struct bt_ctf_clock *clock;
+ clock = container_of(obj, struct bt_ctf_clock, base);
+ bt_put(clock->clock_class);
g_free(clock);
}
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