/*
- * clock-class.c
- *
- * Babeltrace trace IR - Clock class
- *
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
*/
#define BT_LOG_TAG "CLOCK-CLASS"
-#include <babeltrace/lib-logging-internal.h>
-
-#include <babeltrace/assert-pre-internal.h>
-#include <babeltrace/compat/uuid-internal.h>
-#include <babeltrace/trace-ir/clock-class-internal.h>
-#include <babeltrace/trace-ir/clock-value-internal.h>
-#include <babeltrace/trace-ir/utils-internal.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/types.h>
-#include <babeltrace/compat/string-internal.h>
+#include <babeltrace2/lib-logging-internal.h>
+
+#include <babeltrace2/assert-pre-internal.h>
+#include <babeltrace2/compat/uuid-internal.h>
+#include <babeltrace2/trace-ir/clock-class-const.h>
+#include <babeltrace2/trace-ir/clock-class.h>
+#include <babeltrace2/trace-ir/clock-class-internal.h>
+#include <babeltrace2/trace-ir/clock-snapshot-internal.h>
+#include <babeltrace2/trace-ir/utils-internal.h>
+#include <babeltrace2/compiler-internal.h>
+#include <babeltrace2/types.h>
+#include <babeltrace2/compat/string-internal.h>
#include <inttypes.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/assert-internal.h>
+#include <babeltrace2/object-internal.h>
+#include <babeltrace2/assert-internal.h>
#define BT_ASSERT_PRE_CLOCK_CLASS_HOT(_cc) \
BT_ASSERT_PRE_HOT((_cc), "Clock class", ": %!+K", (_cc))
if (clock_class->name.str) {
g_string_free(clock_class->name.str, TRUE);
+ clock_class->name.str = NULL;
+ clock_class->name.value = NULL;
}
if (clock_class->description.str) {
g_string_free(clock_class->description.str, TRUE);
+ clock_class->description.str = NULL;
+ clock_class->description.value = NULL;
}
- bt_object_pool_finalize(&clock_class->cv_pool);
+ bt_object_pool_finalize(&clock_class->cs_pool);
g_free(clock_class);
}
static
-void free_clock_value(struct bt_clock_value *clock_value,
+void free_clock_snapshot(struct bt_clock_snapshot *clock_snapshot,
struct bt_clock_class *clock_class)
{
- bt_clock_value_destroy(clock_value);
+ bt_clock_snapshot_destroy(clock_snapshot);
}
static inline
void set_base_offset(struct bt_clock_class *clock_class)
{
- uint64_t offset_cycles_ns;
-
- /* Initialize nanosecond timestamp to clock's offset in seconds */
- if (clock_class->offset_seconds <= (INT64_MIN / INT64_C(1000000000) - 1) ||
- clock_class->offset_seconds >= (INT64_MAX / INT64_C(1000000000)) - 1) {
- /*
- * Overflow: offset in seconds converted to nanoseconds
- * is outside the int64_t range. We also subtract 1 here
- * to leave "space" for the offset in cycles converted
- * to nanoseconds (which is always less than 1 second by
- * contract).
- */
- clock_class->base_offset.overflows = true;
- goto end;
- }
-
- /* Offset (seconds) to nanoseconds */
- clock_class->base_offset.value_ns = clock_class->offset_seconds *
- INT64_C(1000000000);
-
- /* Add offset in cycles */
- BT_ASSERT(clock_class->offset_cycles < clock_class->frequency);
- offset_cycles_ns = bt_util_ns_from_value(clock_class->frequency,
- clock_class->offset_cycles);
- BT_ASSERT(offset_cycles_ns < 1000000000);
- clock_class->base_offset.value_ns += (int64_t) offset_cycles_ns;
- clock_class->base_offset.overflows = false;
-
-end:
- return;
+ clock_class->base_offset.overflows = bt_util_get_base_offset_ns(
+ clock_class->offset_seconds, clock_class->offset_cycles,
+ clock_class->frequency, &clock_class->base_offset.value_ns);
}
-struct bt_clock_class *bt_clock_class_create(void)
+struct bt_clock_class *bt_clock_class_create(bt_self_component *self_comp)
{
int ret;
struct bt_clock_class *clock_class = NULL;
+ BT_ASSERT_PRE_NON_NULL(self_comp, "Self component");
BT_LOGD_STR("Creating default clock class object");
clock_class = g_new0(struct bt_clock_class, 1);
}
clock_class->frequency = UINT64_C(1000000000);
- clock_class->is_absolute = BT_TRUE;
+ clock_class->origin_is_unix_epoch = BT_TRUE;
set_base_offset(clock_class);
- ret = bt_object_pool_initialize(&clock_class->cv_pool,
- (bt_object_pool_new_object_func) bt_clock_value_new,
+ ret = bt_object_pool_initialize(&clock_class->cs_pool,
+ (bt_object_pool_new_object_func) bt_clock_snapshot_new,
(bt_object_pool_destroy_object_func)
- free_clock_value,
+ free_clock_snapshot,
clock_class);
if (ret) {
- BT_LOGE("Failed to initialize clock value pool: ret=%d",
+ BT_LOGE("Failed to initialize clock snapshot pool: ret=%d",
ret);
goto error;
}
goto end;
error:
- BT_PUT(clock_class);
+ BT_OBJECT_PUT_REF_AND_RESET(clock_class);
end:
return clock_class;
}
-const char *bt_clock_class_get_name(
- struct bt_clock_class *clock_class)
+const char *bt_clock_class_get_name(const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
return clock_class->name.value;
}
-int bt_clock_class_set_name(struct bt_clock_class *clock_class,
- const char *name)
+enum bt_clock_class_status bt_clock_class_set_name(
+ struct bt_clock_class *clock_class, const char *name)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
BT_ASSERT_PRE_NON_NULL(name, "Name");
g_string_assign(clock_class->name.str, name);
clock_class->name.value = clock_class->name.str->str;
BT_LIB_LOGV("Set clock class's name: %!+K", clock_class);
- return 0;
+ return BT_CLOCK_CLASS_STATUS_OK;
}
-const char *bt_clock_class_get_description(struct bt_clock_class *clock_class)
+const char *bt_clock_class_get_description(
+ const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
return clock_class->description.value;
}
-int bt_clock_class_set_description(struct bt_clock_class *clock_class,
- const char *descr)
+enum bt_clock_class_status bt_clock_class_set_description(
+ struct bt_clock_class *clock_class, const char *descr)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
BT_ASSERT_PRE_NON_NULL(descr, "Description");
clock_class->description.value = clock_class->description.str->str;
BT_LIB_LOGV("Set clock class's description: %!+K",
clock_class);
- return 0;
+ return BT_CLOCK_CLASS_STATUS_OK;
}
-uint64_t bt_clock_class_get_frequency(struct bt_clock_class *clock_class)
+uint64_t bt_clock_class_get_frequency(const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
return clock_class->frequency;
}
-int bt_clock_class_set_frequency(struct bt_clock_class *clock_class,
+void bt_clock_class_set_frequency(struct bt_clock_class *clock_class,
uint64_t frequency)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
clock_class->frequency = frequency;
set_base_offset(clock_class);
BT_LIB_LOGV("Set clock class's frequency: %!+K", clock_class);
- return 0;
}
-uint64_t bt_clock_class_get_precision(struct bt_clock_class *clock_class)
+uint64_t bt_clock_class_get_precision(const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
return clock_class->precision;
}
-int bt_clock_class_set_precision(struct bt_clock_class *clock_class,
+void bt_clock_class_set_precision(struct bt_clock_class *clock_class,
uint64_t precision)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
clock_class, precision);
clock_class->precision = precision;
BT_LIB_LOGV("Set clock class's precision: %!+K", clock_class);
- return 0;
}
-void bt_clock_class_get_offset(struct bt_clock_class *clock_class,
+void bt_clock_class_get_offset(const struct bt_clock_class *clock_class,
int64_t *seconds, uint64_t *cycles)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
*cycles = clock_class->offset_cycles;
}
-int bt_clock_class_set_offset(struct bt_clock_class *clock_class,
+void bt_clock_class_set_offset(struct bt_clock_class *clock_class,
int64_t seconds, uint64_t cycles)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
clock_class->offset_cycles = cycles;
set_base_offset(clock_class);
BT_LIB_LOGV("Set clock class's offset: %!+K", clock_class);
- return 0;
}
-bt_bool bt_clock_class_is_absolute(struct bt_clock_class *clock_class)
+bt_bool bt_clock_class_origin_is_unix_epoch(const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
- return (bool) clock_class->is_absolute;
+ return (bool) clock_class->origin_is_unix_epoch;
}
-int bt_clock_class_set_is_absolute(struct bt_clock_class *clock_class,
- bt_bool is_absolute)
+void bt_clock_class_set_origin_is_unix_epoch(struct bt_clock_class *clock_class,
+ bt_bool origin_is_unix_epoch)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
BT_ASSERT_PRE_CLOCK_CLASS_HOT(clock_class);
- clock_class->is_absolute = (bool) is_absolute;
- BT_LIB_LOGV("Set clock class's absolute property: %!+K",
+ clock_class->origin_is_unix_epoch = (bool) origin_is_unix_epoch;
+ BT_LIB_LOGV("Set clock class's origin is Unix epoch property: %!+K",
clock_class);
- return 0;
}
-bt_uuid bt_clock_class_get_uuid(struct bt_clock_class *clock_class)
+bt_uuid bt_clock_class_get_uuid(const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
return clock_class->uuid.value;
}
-int bt_clock_class_set_uuid(struct bt_clock_class *clock_class,
+void bt_clock_class_set_uuid(struct bt_clock_class *clock_class,
bt_uuid uuid)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
memcpy(clock_class->uuid.uuid, uuid, BABELTRACE_UUID_LEN);
clock_class->uuid.value = clock_class->uuid.uuid;
BT_LIB_LOGV("Set clock class's UUID: %!+K", clock_class);
- return 0;
}
BT_HIDDEN
-void _bt_clock_class_freeze(struct bt_clock_class *clock_class)
+void _bt_clock_class_freeze(const struct bt_clock_class *clock_class)
{
BT_ASSERT(clock_class);
}
BT_LIB_LOGD("Freezing clock class: %!+K", clock_class);
- clock_class->frozen = 1;
+ ((struct bt_clock_class *) clock_class)->frozen = 1;
}
-int bt_clock_class_cycles_to_ns_from_origin(struct bt_clock_class *clock_class,
+enum bt_clock_class_status bt_clock_class_cycles_to_ns_from_origin(
+ const struct bt_clock_class *clock_class,
uint64_t cycles, int64_t *ns)
{
int ret;
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
BT_ASSERT_PRE_NON_NULL(ns, "Nanoseconds (output)");
- ret = bt_util_ns_from_origin(clock_class, cycles, ns);
+ ret = bt_util_ns_from_origin_clock_class(clock_class, cycles, ns);
if (ret) {
+ ret = BT_CLOCK_CLASS_STATUS_OVERFLOW;
BT_LIB_LOGW("Cannot convert cycles to nanoseconds "
"from origin for given clock class: "
"value overflows the signed 64-bit integer range: "
return ret;
}
+
+void bt_clock_class_get_ref(const struct bt_clock_class *clock_class)
+{
+ bt_object_get_ref(clock_class);
+}
+
+void bt_clock_class_put_ref(const struct bt_clock_class *clock_class)
+{
+ bt_object_put_ref(clock_class);
+}
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