* SOFTWARE.
*/
+#define BT_LOG_TAG "CTF-WRITER-CLOCK"
+#include <babeltrace/lib-logging-internal.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/compat/uuid-internal.h>
#include <babeltrace/ref.h>
#include <babeltrace/object-internal.h>
#include <babeltrace/compiler-internal.h>
+#include <babeltrace/assert-internal.h>
#include <inttypes.h>
static
struct bt_ctf_clock *bt_ctf_clock_create(const char *name)
{
+ int ret;
struct bt_ctf_clock *clock = NULL;
+ unsigned char cc_uuid[BABELTRACE_UUID_LEN];
- if (!name) {
- goto error;
- }
-
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
clock = g_new0(struct bt_ctf_clock, 1);
-
if (!clock) {
goto error;
}
- bt_object_init(clock, bt_ctf_clock_destroy);
+ bt_object_init_shared(&clock->base, bt_ctf_clock_destroy);
clock->value = 0;
- clock->clock_class = bt_ctf_clock_class_create(name);
+
+ /* Pre-2.0.0 backward compatibility: default frequency is 1 GHz */
+ clock->clock_class = (void *) bt_clock_class_create(name, 1000000000);
if (!clock->clock_class) {
goto error;
}
+
+ /* Automatically set clock class's UUID. */
+ ret = bt_uuid_generate(cc_uuid);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_clock_class_set_uuid(BT_TO_COMMON(clock->clock_class),
+ cc_uuid);
+ BT_ASSERT(ret == 0);
return clock;
error:
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_name(BT_TO_COMMON(clock->clock_class));
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_description(BT_TO_COMMON(clock->clock_class));
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_description(BT_TO_COMMON(clock->clock_class),
+ desc);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_frequency(BT_TO_COMMON(clock->clock_class));
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_frequency(BT_TO_COMMON(clock->clock_class),
+ freq);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_precision(BT_TO_COMMON(clock->clock_class));
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_precision(BT_TO_COMMON(clock->clock_class),
+ precision);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_offset_s(BT_TO_COMMON(clock->clock_class),
+ offset_s);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_offset_s(BT_TO_COMMON(clock->clock_class),
+ offset_s);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_offset_cycles(BT_TO_COMMON(clock->clock_class),
+ offset);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_offset_cycles(BT_TO_COMMON(clock->clock_class),
+ offset);
}
int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock)
{
- int is_absolute = -1;
-
- if (clock) {
- is_absolute = bt_ctf_clock_class_is_absolute(
- clock->clock_class);
- }
-
- return is_absolute;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_is_absolute(BT_TO_COMMON(clock->clock_class));
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_is_absolute(BT_TO_COMMON(clock->clock_class),
+ is_absolute);
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_get_uuid(BT_TO_COMMON(clock->clock_class));
}
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;
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ return bt_clock_class_set_uuid(BT_TO_COMMON(clock->clock_class), uuid);
}
int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, int64_t time)
{
- int ret = 0;
int64_t value;
+ struct bt_clock_class *cc;
- if (!clock) {
- ret = -1;
- goto end;
- }
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ cc = BT_TO_COMMON(clock->clock_class);
/* Common case where cycles are actually nanoseconds */
- if (clock->clock_class->frequency == 1000000000) {
+ if (cc->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;
+ (double) cc->frequency) / 1e9);
}
+ BT_ASSERT_PRE(clock->value <= value,
+ "CTF writer clock value must be updated monotonically: "
+ "prev-value=%" PRId64 ", new-value=%" PRId64,
+ clock->value, value);
clock->value = value;
-end:
- return ret;
+ return 0;
}
-void bt_ctf_clock_get(struct bt_ctf_clock *clock)
+BT_HIDDEN
+int bt_ctf_clock_get_value(struct bt_ctf_clock *clock, uint64_t *value)
{
- bt_get(clock);
+ BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
+ BT_ASSERT_PRE_NON_NULL(value, "Value");
+ *value = clock->value;
+ return 0;
}
-void bt_ctf_clock_put(struct bt_ctf_clock *clock)
+static
+void bt_ctf_clock_destroy(struct bt_object *obj)
{
- bt_put(clock);
+ struct bt_ctf_clock *clock;
+
+ clock = container_of(obj, struct bt_ctf_clock, base);
+ bt_put(BT_TO_COMMON(clock->clock_class));
+ g_free(clock);
}
BT_HIDDEN
-int bt_ctf_clock_get_value(struct bt_ctf_clock *clock, uint64_t *value)
+void bt_ctf_clock_class_serialize(struct bt_ctf_clock_class *clock_class,
+ struct metadata_context *context)
{
- int ret = 0;
+ unsigned char *uuid;
+
+ BT_LOGD("Serializing clock class's metadata: clock-class-addr=%p, "
+ "name=\"%s\", metadata-context-addr=%p", clock_class,
+ bt_clock_class_get_name(BT_TO_COMMON(clock_class)),
+ context);
+
+ if (!clock_class || !context) {
+ BT_LOGW("Invalid parameter: clock class or metadata context is NULL: "
+ "clock-class-addr=%p, name=\"%s\", metadata-context-addr=%p",
+ clock_class,
+ bt_clock_class_get_name(BT_TO_COMMON(clock_class)),
+ context);
+ return;
+ }
- if (!clock || !value) {
- ret = -1;
- goto end;
+ uuid = clock_class->common.uuid;
+ g_string_append(context->string, "clock {\n");
+ g_string_append_printf(context->string, "\tname = %s;\n",
+ clock_class->common.name->str);
+
+ if (clock_class->common.uuid_set) {
+ 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]);
}
- *value = clock->value;
-end:
- return ret;
+ if (clock_class->common.description) {
+ g_string_append_printf(context->string, "\tdescription = \"%s\";\n",
+ clock_class->common.description->str);
+ }
+
+ g_string_append_printf(context->string, "\tfreq = %" PRIu64 ";\n",
+ clock_class->common.frequency);
+ g_string_append_printf(context->string, "\tprecision = %" PRIu64 ";\n",
+ clock_class->common.precision);
+ g_string_append_printf(context->string, "\toffset_s = %" PRIu64 ";\n",
+ clock_class->common.offset_s);
+ g_string_append_printf(context->string, "\toffset = %" PRIu64 ";\n",
+ clock_class->common.offset);
+ g_string_append_printf(context->string, "\tabsolute = %s;\n",
+ clock_class->common.absolute ? "true" : "false");
+ g_string_append(context->string, "};\n\n");
}
-static
-void bt_ctf_clock_destroy(struct bt_object *obj)
+struct bt_ctf_clock_class *bt_ctf_clock_class_create(const char *name,
+ uint64_t freq)
{
- struct bt_ctf_clock *clock;
+ return BT_FROM_COMMON(bt_clock_class_create(name, freq));
+}
- clock = container_of(obj, struct bt_ctf_clock, base);
- bt_put(clock->clock_class);
- g_free(clock);
+const char *bt_ctf_clock_class_get_name(
+ struct bt_ctf_clock_class *clock_class)
+{
+ return bt_clock_class_get_name(BT_TO_COMMON(clock_class));
+}
+
+int bt_ctf_clock_class_set_name(struct bt_ctf_clock_class *clock_class,
+ const char *name)
+{
+ return bt_clock_class_set_name(BT_TO_COMMON(clock_class), name);
+}
+
+const char *bt_ctf_clock_class_get_description(
+ struct bt_ctf_clock_class *clock_class)
+{
+ return bt_clock_class_get_description(BT_TO_COMMON(clock_class));
+}
+
+int bt_ctf_clock_class_set_description(
+ struct bt_ctf_clock_class *clock_class,
+ const char *desc)
+{
+ return bt_clock_class_set_description(BT_TO_COMMON(clock_class), desc);
+}
+
+uint64_t bt_ctf_clock_class_get_frequency(
+ struct bt_ctf_clock_class *clock_class)
+{
+ return bt_clock_class_get_frequency(BT_TO_COMMON(clock_class));
+}
+
+int bt_ctf_clock_class_set_frequency(
+ struct bt_ctf_clock_class *clock_class, uint64_t freq)
+{
+ return bt_clock_class_set_frequency(BT_TO_COMMON(clock_class), freq);
+}
+
+uint64_t bt_ctf_clock_class_get_precision(
+ struct bt_ctf_clock_class *clock_class)
+{
+ return bt_clock_class_get_precision(BT_TO_COMMON(clock_class));
+}
+
+int bt_ctf_clock_class_set_precision(
+ struct bt_ctf_clock_class *clock_class, uint64_t precision)
+{
+ return bt_clock_class_set_precision(BT_TO_COMMON(clock_class),
+ precision);
+}
+
+int bt_ctf_clock_class_get_offset_s(
+ struct bt_ctf_clock_class *clock_class, int64_t *seconds)
+{
+ return bt_clock_class_get_offset_s(BT_TO_COMMON(clock_class), seconds);
+}
+
+int bt_ctf_clock_class_set_offset_s(
+ struct bt_ctf_clock_class *clock_class, int64_t seconds)
+{
+ return bt_clock_class_set_offset_s(BT_TO_COMMON(clock_class), seconds);
+}
+
+int bt_ctf_clock_class_get_offset_cycles(
+ struct bt_ctf_clock_class *clock_class, int64_t *cycles)
+{
+ return bt_clock_class_get_offset_cycles(BT_TO_COMMON(clock_class),
+ cycles);
+}
+
+int bt_ctf_clock_class_set_offset_cycles(
+ struct bt_ctf_clock_class *clock_class, int64_t cycles)
+{
+ return bt_clock_class_set_offset_cycles(BT_TO_COMMON(clock_class),
+ cycles);
+}
+
+bt_bool bt_ctf_clock_class_is_absolute(
+ struct bt_ctf_clock_class *clock_class)
+{
+ return bt_clock_class_is_absolute(BT_TO_COMMON(clock_class));
+}
+
+int bt_ctf_clock_class_set_is_absolute(
+ struct bt_ctf_clock_class *clock_class, bt_bool is_absolute)
+{
+ return bt_clock_class_set_is_absolute(BT_TO_COMMON(clock_class),
+ is_absolute);
+}
+
+const unsigned char *bt_ctf_clock_class_get_uuid(
+ struct bt_ctf_clock_class *clock_class)
+{
+ return bt_clock_class_get_uuid(BT_TO_COMMON(clock_class));
+}
+
+int bt_ctf_clock_class_set_uuid(struct bt_ctf_clock_class *clock_class,
+ const unsigned char *uuid)
+{
+ return bt_clock_class_set_uuid(BT_TO_COMMON(clock_class), uuid);
}