--- /dev/null
+/*
+ * clock.c
+ *
+ * Babeltrace CTF IR - Clock
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2017 Philippe Proulx <pproulx@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
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/clock-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_object *obj);
+
+struct bt_ctf_clock *bt_ctf_clock_create(const char *name)
+{
+ struct bt_ctf_clock *clock = NULL;
+
+ if (!name) {
+ goto error;
+ }
+
+ clock = g_new0(struct bt_ctf_clock, 1);
+
+ if (!clock) {
+ goto error;
+ }
+
+ 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;
+ }
+ return clock;
+
+error:
+ 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 = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_description(clock->clock_class,
+ desc);
+ }
+
+ 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 = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_frequency(clock->clock_class,
+ freq);
+ }
+
+ 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 = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_precision(clock->clock_class,
+ precision);
+ }
+
+ return ret;
+}
+
+int bt_ctf_clock_get_offset_s(struct bt_ctf_clock *clock, int64_t *offset_s)
+{
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_get_offset_s(clock->clock_class,
+ offset_s);
+ }
+
+ return ret;
+}
+
+int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, int64_t offset_s)
+{
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_offset_s(clock->clock_class,
+ offset_s);
+ }
+
+ return ret;
+}
+
+int bt_ctf_clock_get_offset(struct bt_ctf_clock *clock, int64_t *offset)
+{
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_get_offset_cycles(clock->clock_class,
+ offset);
+ }
+
+ return ret;
+}
+
+int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, int64_t offset)
+{
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_offset_cycles(clock->clock_class,
+ offset);
+ }
+
+ return ret;
+}
+
+int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock)
+{
+ int is_absolute = -1;
+
+ if (clock) {
+ is_absolute = bt_ctf_clock_class_get_is_absolute(
+ clock->clock_class);
+ }
+
+ return is_absolute;
+}
+
+int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute)
+{
+ int ret = -1;
+
+ if (clock) {
+ ret = bt_ctf_clock_class_set_is_absolute(clock->clock_class,
+ is_absolute);
+ }
+
+ return ret;
+}
+
+const unsigned char *bt_ctf_clock_get_uuid(struct bt_ctf_clock *clock)
+{
+ const unsigned char *uuid = NULL;
+
+ if (clock) {
+ uuid = bt_ctf_clock_class_get_uuid(clock->clock_class);
+ }
+
+ return uuid;
+}
+
+int bt_ctf_clock_set_uuid(struct bt_ctf_clock *clock, const 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;
+ }
+
+ /* 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);
+ }
+
+ if (clock->value > value) {
+ /* Timestamps must be strictly monotonic. */
+ ret = -1;
+ goto end;
+ }
+
+ clock->value = value;
+end:
+ return ret;
+}
+
+void bt_ctf_clock_get(struct bt_ctf_clock *clock)
+{
+ bt_get(clock);
+}
+
+void bt_ctf_clock_put(struct bt_ctf_clock *clock)
+{
+ bt_put(clock);
+}
+
+BT_HIDDEN
+int bt_ctf_clock_get_value(struct bt_ctf_clock *clock, uint64_t *value)
+{
+ int ret = 0;
+
+ if (!clock || !value) {
+ ret = -1;
+ goto end;
+ }
+
+ *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);
+}
projects / babeltrace.git / blobdiff