#define BT_LOG_TAG "STREAM-CLASS"
#include <babeltrace/lib-logging-internal.h>
-#include <babeltrace/ctf-writer/clock.h>
-#include <babeltrace/ctf-writer/clock-internal.h>
+#include <babeltrace/assert-pre-internal.h>
#include <babeltrace/ctf-ir/clock-class-internal.h>
-#include <babeltrace/ctf-writer/event.h>
#include <babeltrace/ctf-ir/event-class-internal.h>
-#include <babeltrace/ctf-ir/event-internal.h>
#include <babeltrace/ctf-ir/field-types-internal.h>
#include <babeltrace/ctf-ir/fields-internal.h>
-#include <babeltrace/ctf-writer/stream.h>
#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-ir/validation-internal.h>
#include <babeltrace/ctf-ir/visitor-internal.h>
-#include <babeltrace/ctf-writer/functor-internal.h>
#include <babeltrace/ctf-ir/utils.h>
#include <babeltrace/ctf-ir/utils-internal.h>
+#include <babeltrace/ctf-ir/field-wrapper-internal.h>
#include <babeltrace/ref.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/align-internal.h>
#include <stdint.h>
#include <stdbool.h>
-static
-void bt_stream_class_destroy(struct bt_object *obj);
-static
-int init_event_header(struct bt_stream_class *stream_class);
-static
-int init_packet_context(struct bt_stream_class *stream_class);
-
-struct bt_stream_class *bt_stream_class_create(const char *name)
-{
- struct bt_stream_class *stream_class;
- int ret;
-
- BT_LOGD("Creating default stream class object: name=\"%s\"", name);
- stream_class = bt_stream_class_create_empty(name);
- if (!stream_class) {
- BT_LOGD_STR("Cannot create empty stream class.");
- goto error;
- }
-
- ret = init_event_header(stream_class);
- if (ret) {
- BT_LOGE_STR("Cannot initialize stream class's event header field type.");
- goto error;
- }
-
- ret = init_packet_context(stream_class);
- if (ret) {
- BT_LOGE_STR("Cannot initialize stream class's packet context field type.");
- goto error;
- }
-
- BT_LOGD("Created default stream class object: addr=%p, name=\"%s\"",
- stream_class, name);
- return stream_class;
-
-error:
- BT_PUT(stream_class);
- return stream_class;
-}
-
-struct bt_stream_class *bt_stream_class_create_empty(const char *name)
+BT_HIDDEN
+int bt_stream_class_common_initialize(struct bt_stream_class_common *stream_class,
+ const char *name, bt_object_release_func release_func)
{
- struct bt_stream_class *stream_class = NULL;
-
- BT_LOGD("Creating empty stream class object: name=\"%s\"", name);
-
- stream_class = g_new0(struct bt_stream_class, 1);
- if (!stream_class) {
- BT_LOGE_STR("Failed to allocate one stream class.");
- goto error;
- }
+ BT_LOGD("Initializing common stream class object: name=\"%s\"", name);
+ bt_object_init(stream_class, release_func);
stream_class->name = g_string_new(name);
stream_class->event_classes = g_ptr_array_new_with_free_func(
(GDestroyNotify) bt_object_release);
goto error;
}
- bt_object_init(stream_class, bt_stream_class_destroy);
- BT_LOGD("Created empty stream class object: addr=%p, name=\"%s\"",
+ BT_LOGD("Initialized common stream class object: addr=%p, name=\"%s\"",
stream_class, name);
- return stream_class;
+ return 0;
error:
- BT_PUT(stream_class);
- return stream_class;
+ return -1;
}
-struct bt_trace *bt_stream_class_get_trace(
- struct bt_stream_class *stream_class)
-{
- return stream_class ?
- bt_get(bt_stream_class_borrow_trace(stream_class)) :
- NULL;
-}
-
-const char *bt_stream_class_get_name(
- struct bt_stream_class *stream_class)
+BT_HIDDEN
+void bt_stream_class_common_finalize(struct bt_stream_class_common *stream_class)
{
- const char *name = NULL;
+ BT_LOGD("Finalizing common stream class: addr=%p, name=\"%s\", id=%" PRId64,
+ stream_class, bt_stream_class_common_get_name(stream_class),
+ bt_stream_class_common_get_id(stream_class));
+ bt_put(stream_class->clock_class);
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- goto end;
+ if (stream_class->event_classes_ht) {
+ g_hash_table_destroy(stream_class->event_classes_ht);
}
-
- name = stream_class->name->len > 0 ? stream_class->name->str : NULL;
-end:
- return name;
-}
-
-int bt_stream_class_set_name(struct bt_stream_class *stream_class,
- const char *name)
-{
- int ret = 0;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = -1;
- goto end;
+ if (stream_class->event_classes) {
+ BT_LOGD_STR("Destroying event classes.");
+ g_ptr_array_free(stream_class->event_classes, TRUE);
}
- if (stream_class->frozen) {
- BT_LOGW("Invalid parameter: stream class is frozen: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- ret = -1;
- goto end;
+ if (stream_class->name) {
+ g_string_free(stream_class->name, TRUE);
}
- if (!name) {
- g_string_assign(stream_class->name, "");
- } else {
- if (strlen(name) == 0) {
- BT_LOGW("Invalid parameter: name is empty.");
- ret = -1;
- goto end;
- }
+ BT_LOGD_STR("Putting event header field type.");
+ bt_put(stream_class->event_header_field_type);
+ BT_LOGD_STR("Putting packet context field type.");
+ bt_put(stream_class->packet_context_field_type);
+ BT_LOGD_STR("Putting event context field type.");
+ bt_put(stream_class->event_context_field_type);
+}
- g_string_assign(stream_class->name, name);
- }
+static
+void bt_stream_class_destroy(struct bt_object *obj)
+{
+ struct bt_stream_class *stream_class;
- BT_LOGV("Set stream class's name: "
- "addr=%p, name=\"%s\", id=%" PRId64,
+ stream_class = (void *) obj;
+ BT_LOGD("Destroying stream class: addr=%p, name=\"%s\", id=%" PRId64,
stream_class, bt_stream_class_get_name(stream_class),
bt_stream_class_get_id(stream_class));
-end:
- return ret;
+
+ /*
+ * IMPORTANT: Finalize the common stream class BEFORE finalizing
+ * the pools because otherwise this scenario is possible:
+ *
+ * 1. Event header field object pool is finalized, thus
+ * destroying its internal array and state.
+ *
+ * 2. Stream class is finalized: each event class is destroyed.
+ *
+ * 3. Destroying an event class finalizes its event pool,
+ * destroying each contained event.
+ *
+ * 4. Destroying an event makes it recycle its event header
+ * field to its stream class's event header field pool. But
+ * said pool is already destroyed.
+ */
+ bt_stream_class_common_finalize(BT_TO_COMMON(stream_class));
+ bt_object_pool_finalize(&stream_class->event_header_field_pool);
+ bt_object_pool_finalize(&stream_class->packet_context_field_pool);
+ g_free(stream_class);
}
-struct bt_ctf_clock *bt_stream_class_get_clock(
+static
+void free_field_wrapper(struct bt_field_wrapper *field_wrapper,
struct bt_stream_class *stream_class)
{
- struct bt_ctf_clock *clock = NULL;
+ bt_field_wrapper_destroy((void *) field_wrapper);
+}
+
+struct bt_stream_class *bt_stream_class_create(const char *name)
+{
+ struct bt_stream_class *stream_class = NULL;
+ int ret;
+ BT_LOGD("Creating stream class object: name=\"%s\"", name);
+ stream_class = g_new0(struct bt_stream_class, 1);
if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- goto end;
+ BT_LOGE_STR("Failed to allocate one stream class.");
+ goto error;
}
- if (!stream_class->clock) {
- BT_LOGV("Stream class has no clock: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- goto end;
+ ret = bt_stream_class_common_initialize(BT_TO_COMMON(stream_class),
+ name, bt_stream_class_destroy);
+ if (ret) {
+ /* bt_stream_class_common_initialize() logs errors */
+ goto error;
}
- clock = bt_get(stream_class->clock);
-end:
- return clock;
+ ret = bt_object_pool_initialize(&stream_class->event_header_field_pool,
+ (bt_object_pool_new_object_func) bt_field_wrapper_new,
+ (bt_object_pool_destroy_object_func) free_field_wrapper,
+ stream_class);
+ if (ret) {
+ BT_LOGE("Failed to initialize event header field pool: ret=%d",
+ ret);
+ goto error;
+ }
+
+ ret = bt_object_pool_initialize(&stream_class->packet_context_field_pool,
+ (bt_object_pool_new_object_func) bt_field_wrapper_new,
+ (bt_object_pool_destroy_object_func) free_field_wrapper,
+ stream_class);
+ if (ret) {
+ BT_LOGE("Failed to initialize packet context field pool: ret=%d",
+ ret);
+ goto error;
+ }
+
+ BT_LOGD("Created stream class object: addr=%p, name=\"%s\"",
+ stream_class, name);
+ return stream_class;
+
+error:
+ bt_put(stream_class);
+ return NULL;
}
-int bt_stream_class_set_clock(struct bt_stream_class *stream_class,
- struct bt_ctf_clock *clock)
+struct bt_event_header_field *bt_stream_class_create_event_header_field(
+ struct bt_stream_class *stream_class)
{
- int ret = 0;
- struct bt_field_type *timestamp_field = NULL;
-
- if (!stream_class || !clock) {
- BT_LOGW("Invalid parameter: stream class or clock is NULL: "
- "stream-class-addr=%p, clock-addr=%p",
- stream_class, clock);
- ret = -1;
- goto end;
+ struct bt_field_wrapper *field_wrapper;
+
+ BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+ BT_ASSERT_PRE(stream_class->common.frozen,
+ "Stream class is not part of a trace: %!+S", stream_class);
+ BT_ASSERT_PRE(stream_class->common.event_header_field_type,
+ "Stream class has no event header field type: %!+S",
+ stream_class);
+ field_wrapper = bt_field_wrapper_create(
+ &stream_class->event_header_field_pool,
+ (void *) stream_class->common.event_header_field_type);
+ if (!field_wrapper) {
+ BT_LIB_LOGE("Cannot allocate one event header field from stream class: "
+ "%![sc-]+S", stream_class);
+ goto error;
}
- if (stream_class->frozen) {
- BT_LOGW("Invalid parameter: stream class is frozen: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- ret = -1;
- goto end;
- }
+ BT_ASSERT(field_wrapper->field);
+ goto end;
- /* Replace the current clock of this stream class. */
- bt_put(stream_class->clock);
- stream_class->clock = bt_get(clock);
- BT_LOGV("Set stream class's clock: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "clock-addr=%p, clock-name=\"%s\"",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- stream_class->clock,
- bt_ctf_clock_get_name(stream_class->clock));
+error:
+ if (field_wrapper) {
+ bt_field_wrapper_destroy(field_wrapper);
+ field_wrapper = NULL;
+ }
end:
- bt_put(timestamp_field);
- return ret;
+ return (void *) field_wrapper;
}
-int64_t bt_stream_class_get_id(struct bt_stream_class *stream_class)
+struct bt_packet_context_field *bt_stream_class_create_packet_context_field(
+ struct bt_stream_class *stream_class)
{
- int64_t ret;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = (int64_t) -1;
- goto end;
+ struct bt_field_wrapper *field_wrapper;
+
+ BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+ BT_ASSERT_PRE(stream_class->common.frozen,
+ "Stream class is not part of a trace: %!+S", stream_class);
+ BT_ASSERT_PRE(stream_class->common.packet_context_field_type,
+ "Stream class has no packet context field type: %!+S",
+ stream_class);
+ field_wrapper = bt_field_wrapper_create(
+ &stream_class->packet_context_field_pool,
+ (void *) stream_class->common.packet_context_field_type);
+ if (!field_wrapper) {
+ BT_LIB_LOGE("Cannot allocate one packet context field from stream class: "
+ "%![sc-]+S", stream_class);
+ goto error;
}
- if (!stream_class->id_set) {
- BT_LOGV("Stream class's ID is not set: addr=%p, name=\"%s\"",
- stream_class,
- bt_stream_class_get_name(stream_class));
- ret = (int64_t) -1;
- goto end;
+ BT_ASSERT(field_wrapper->field);
+ goto end;
+
+error:
+ if (field_wrapper) {
+ bt_field_wrapper_destroy(field_wrapper);
+ field_wrapper = NULL;
}
- ret = stream_class->id;
end:
- return ret;
+ return (void *) field_wrapper;
}
-BT_HIDDEN
-void _bt_stream_class_set_id(
- struct bt_stream_class *stream_class, int64_t id)
+struct bt_trace *bt_stream_class_borrow_trace(struct bt_stream_class *stream_class)
{
- BT_ASSERT(stream_class);
- stream_class->id = id;
- stream_class->id_set = 1;
- BT_LOGV("Set stream class's ID (internal): "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
+ return BT_FROM_COMMON(bt_stream_class_common_borrow_trace(
+ BT_TO_COMMON(stream_class)));
}
-struct event_class_set_stream_class_id_data {
- int64_t stream_class_id;
- int ret;
-};
-
-BT_HIDDEN
-int bt_stream_class_set_id_no_check(
- struct bt_stream_class *stream_class, int64_t id)
+const char *bt_stream_class_get_name(struct bt_stream_class *stream_class)
{
- _bt_stream_class_set_id(stream_class, id);
- return 0;
+ return bt_stream_class_common_get_name(BT_TO_COMMON(stream_class));
}
-int bt_stream_class_set_id(struct bt_stream_class *stream_class,
- uint64_t id_param)
+int bt_stream_class_set_name(struct bt_stream_class *stream_class,
+ const char *name)
{
- int ret = 0;
- int64_t id = (int64_t) id_param;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = -1;
- goto end;
- }
-
- if (stream_class->frozen) {
- BT_LOGW("Invalid parameter: stream class is frozen: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- ret = -1;
- goto end;
- }
+ return bt_stream_class_common_set_name(BT_TO_COMMON(stream_class),
+ name);
+}
- if (id < 0) {
- BT_LOGW("Invalid parameter: invalid stream class's ID: "
- "stream-class-addr=%p, stream-class-name=\"%s\", "
- "stream-class-id=%" PRId64 ", id=%" PRIu64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- id_param);
- ret = -1;
- goto end;
- }
+int64_t bt_stream_class_get_id(struct bt_stream_class *stream_class)
+{
+ return bt_stream_class_common_get_id(BT_TO_COMMON(stream_class));
+}
- ret = bt_stream_class_set_id_no_check(stream_class, id);
- if (ret == 0) {
- BT_LOGV("Set stream class's ID: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- }
-end:
- return ret;
+int bt_stream_class_set_id(struct bt_stream_class *stream_class, uint64_t id)
+{
+ return bt_stream_class_common_set_id(BT_TO_COMMON(stream_class), id);
}
static
void event_class_exists(gpointer element, gpointer query)
{
- struct bt_event_class *event_class_a = element;
+ struct bt_event_class_common *event_class_a = element;
struct search_query *search_query = query;
- struct bt_event_class *event_class_b = search_query->value;
+ struct bt_event_class_common *event_class_b = search_query->value;
int64_t id_a, id_b;
if (search_query->value == element) {
* Two event classes cannot share the same ID in a given
* stream class.
*/
- id_a = bt_event_class_get_id(event_class_a);
- id_b = bt_event_class_get_id(event_class_b);
+ id_a = bt_event_class_common_get_id(event_class_a);
+ id_b = bt_event_class_common_get_id(event_class_b);
if (id_a < 0 || id_b < 0) {
/* at least one ID is not set: will be automatically set later */
if (id_a == id_b) {
BT_LOGW("Event class with this ID already exists in the stream class: "
"id=%" PRId64 ", name=\"%s\"",
- id_a, bt_event_class_get_name(event_class_a));
+ id_a, bt_event_class_common_get_name(event_class_a));
search_query->found = 1;
goto end;
}
return;
}
-int bt_stream_class_add_event_class(
- struct bt_stream_class *stream_class,
- struct bt_event_class *event_class)
+BT_HIDDEN
+int bt_stream_class_common_add_event_class(
+ struct bt_stream_class_common *stream_class,
+ struct bt_event_class_common *event_class,
+ bt_validation_flag_copy_field_type_func copy_field_type_func)
{
int ret = 0;
int64_t *event_id = NULL;
- struct bt_trace *trace = NULL;
- struct bt_stream_class *old_stream_class = NULL;
+ struct bt_trace_common *trace = NULL;
+ struct bt_stream_class_common *old_stream_class = NULL;
struct bt_validation_output validation_output = { 0 };
- struct bt_field_type *packet_header_type = NULL;
- struct bt_field_type *packet_context_type = NULL;
- struct bt_field_type *event_header_type = NULL;
- struct bt_field_type *stream_event_ctx_type = NULL;
- struct bt_field_type *event_context_type = NULL;
- struct bt_field_type *event_payload_type = NULL;
+ struct bt_field_type_common *packet_header_type = NULL;
+ struct bt_field_type_common *packet_context_type = NULL;
+ struct bt_field_type_common *event_header_type = NULL;
+ struct bt_field_type_common *stream_event_ctx_type = NULL;
+ struct bt_field_type_common *event_context_type = NULL;
+ struct bt_field_type_common *event_payload_type = NULL;
const enum bt_validation_flag validation_flags =
BT_VALIDATION_FLAG_EVENT;
struct bt_clock_class *expected_clock_class = NULL;
+ BT_ASSERT(copy_field_type_func);
+
if (!stream_class || !event_class) {
BT_LOGW("Invalid parameter: stream class or event class is NULL: "
"stream-class-addr=%p, event-class-addr=%p",
"stream-class-addr=%p, stream-class-name=\"%s\", "
"stream-class-id=%" PRId64 ", event-class-addr=%p, "
"event-class-name=\"%s\", event-class-id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
+ stream_class, bt_stream_class_common_get_name(stream_class),
+ bt_stream_class_common_get_id(stream_class),
event_class,
- bt_event_class_get_name(event_class),
- bt_event_class_get_id(event_class));
-
- trace = bt_stream_class_get_trace(stream_class);
- if (trace && trace->is_static) {
- BT_LOGW("Invalid parameter: stream class's trace is static: "
- "trace-addr=%p, trace-name=\"%s\"",
- trace, bt_trace_get_name(trace));
- ret = -1;
- goto end;
- }
+ bt_event_class_common_get_name(event_class),
+ bt_event_class_common_get_id(event_class));
+ trace = bt_stream_class_common_borrow_trace(stream_class);
if (stream_class->frozen) {
/*
* and bt_event_class_validate_single_clock_class()
* below can set it.
*/
- ret = bt_event_class_validate_single_clock_class(
+ ret = bt_event_class_common_validate_single_clock_class(
event_class, &expected_clock_class);
if (ret) {
BT_LOGW("Event class contains a field type which is not "
"expected-clock-class-addr=%p, "
"expected-clock-class-name=\"%s\"",
stream_class,
- bt_stream_class_get_id(stream_class),
- bt_stream_class_get_name(stream_class),
+ bt_stream_class_common_get_id(stream_class),
+ bt_stream_class_common_get_name(stream_class),
expected_clock_class,
expected_clock_class ?
bt_clock_class_get_name(expected_clock_class) :
goto end;
}
- old_stream_class = bt_event_class_get_stream_class(event_class);
+ old_stream_class = bt_event_class_common_borrow_stream_class(event_class);
if (old_stream_class) {
/* Event class is already associated to a stream class. */
BT_LOGW("Event class is already part of another stream class: "
"event-class-stream-class-name=\"%s\", "
"event-class-stream-class-id=%" PRId64,
old_stream_class,
- bt_stream_class_get_name(old_stream_class),
- bt_stream_class_get_id(old_stream_class));
+ bt_stream_class_common_get_name(old_stream_class),
+ bt_stream_class_common_get_id(old_stream_class));
ret = -1;
goto end;
}
BT_ASSERT(trace->valid);
BT_ASSERT(stream_class->valid);
packet_header_type =
- bt_trace_get_packet_header_type(trace);
+ bt_trace_common_borrow_packet_header_field_type(trace);
packet_context_type =
- bt_stream_class_get_packet_context_type(
+ bt_stream_class_common_borrow_packet_context_field_type(
stream_class);
event_header_type =
- bt_stream_class_get_event_header_type(stream_class);
+ bt_stream_class_common_borrow_event_header_field_type(
+ stream_class);
stream_event_ctx_type =
- bt_stream_class_get_event_context_type(
+ bt_stream_class_common_borrow_event_context_field_type(
stream_class);
event_context_type =
- bt_event_class_get_context_type(event_class);
+ bt_event_class_common_borrow_context_field_type(
+ event_class);
event_payload_type =
- bt_event_class_get_payload_type(event_class);
+ bt_event_class_common_borrow_payload_field_type(
+ event_class);
ret = bt_validate_class_types(
trace->environment, packet_header_type,
packet_context_type, event_header_type,
stream_event_ctx_type, event_context_type,
event_payload_type, trace->valid,
stream_class->valid, event_class->valid,
- &validation_output, validation_flags);
- BT_PUT(packet_header_type);
- BT_PUT(packet_context_type);
- BT_PUT(event_header_type);
- BT_PUT(stream_event_ctx_type);
- BT_PUT(event_context_type);
- BT_PUT(event_payload_type);
+ &validation_output, validation_flags,
+ copy_field_type_func);
if (ret) {
/*
}
/* Only set an event ID if none was explicitly set before */
- *event_id = bt_event_class_get_id(event_class);
+ *event_id = bt_event_class_common_get_id(event_class);
if (*event_id < 0) {
BT_LOGV("Event class has no ID: automatically setting it: "
"id=%" PRId64, stream_class->next_event_id);
- if (bt_event_class_set_id(event_class,
+ if (bt_event_class_common_set_id(event_class,
stream_class->next_event_id)) {
BT_LOGE("Cannot set event class's ID: id=%" PRId64,
stream_class->next_event_id);
event_id = NULL;
/* Freeze the event class */
- bt_event_class_freeze(event_class);
+ bt_event_class_common_freeze(event_class);
/*
* It is safe to set the stream class's unique clock class
BT_MOVE(stream_class->clock_class, expected_clock_class);
}
- /* Notifiy listeners of the trace's schema modification. */
- if (trace) {
- struct bt_visitor_object obj = { .object = event_class,
- .type = BT_VISITOR_OBJECT_TYPE_EVENT_CLASS };
-
- (void) bt_trace_object_modification(&obj, trace);
- }
-
BT_LOGD("Added event class to stream class: "
"stream-class-addr=%p, stream-class-name=\"%s\", "
"stream-class-id=%" PRId64 ", event-class-addr=%p, "
"event-class-name=\"%s\", event-class-id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
+ stream_class, bt_stream_class_common_get_name(stream_class),
+ bt_stream_class_common_get_id(stream_class),
event_class,
- bt_event_class_get_name(event_class),
- bt_event_class_get_id(event_class));
+ bt_event_class_common_get_name(event_class),
+ bt_event_class_common_get_id(event_class));
end:
- BT_PUT(trace);
- BT_PUT(old_stream_class);
bt_validation_output_put_types(&validation_output);
bt_put(expected_clock_class);
- BT_ASSERT(!packet_header_type);
- BT_ASSERT(!packet_context_type);
- BT_ASSERT(!event_header_type);
- BT_ASSERT(!stream_event_ctx_type);
- BT_ASSERT(!event_context_type);
- BT_ASSERT(!event_payload_type);
g_free(event_id);
-
return ret;
}
-int64_t bt_stream_class_get_event_class_count(
- struct bt_stream_class *stream_class)
+int bt_stream_class_add_event_class(
+ struct bt_stream_class *stream_class,
+ struct bt_event_class *event_class)
{
- int64_t ret;
+ struct bt_trace *trace;
+ int ret = 0;
+ uint64_t i;
+ struct bt_clock_class *old_clock_class;
if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = (int64_t) -1;
+ BT_LOGW("Invalid parameter: stream class is NULL: "
+ "stream-class-addr=%p", stream_class);
+ ret = -1;
goto end;
}
- ret = (int64_t) stream_class->event_classes->len;
-end:
- return ret;
-}
-
-struct bt_event_class *bt_stream_class_get_event_class_by_index(
- struct bt_stream_class *stream_class, uint64_t index)
-{
- struct bt_event_class *event_class = NULL;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
+ old_clock_class = stream_class->common.clock_class;
+ trace = BT_FROM_COMMON(bt_stream_class_common_borrow_trace(
+ BT_TO_COMMON(stream_class)));
+ if (trace && trace->is_static) {
+ BT_LOGW("Invalid parameter: stream class's trace is static: "
+ "trace-addr=%p, trace-name=\"%s\"",
+ trace, bt_trace_get_name(trace));
+ ret = -1;
goto end;
}
- if (index >= stream_class->event_classes->len) {
- BT_LOGW("Invalid parameter: index is out of bounds: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "index=%" PRIu64 ", count=%u",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- index, stream_class->event_classes->len);
+ ret = bt_stream_class_common_add_event_class(
+ BT_TO_COMMON(stream_class), BT_TO_COMMON(event_class),
+ (bt_validation_flag_copy_field_type_func) bt_field_type_copy);
+ if (ret) {
goto end;
}
- event_class = g_ptr_array_index(stream_class->event_classes, index);
- bt_get(event_class);
-end:
- return event_class;
-}
-
-struct bt_event_class *bt_stream_class_get_event_class_by_id(
- struct bt_stream_class *stream_class, uint64_t id)
-{
- int64_t id_key = (int64_t) id;
- struct bt_event_class *event_class = NULL;
+ /* Notifiy listeners of the trace's schema modification. */
+ if (trace) {
+ struct bt_visitor_object obj = { .object = event_class,
+ .type = BT_VISITOR_OBJECT_TYPE_EVENT_CLASS };
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- goto end;
+ (void) bt_trace_object_modification(&obj, trace);
}
- if (id_key < 0) {
- BT_LOGW("Invalid parameter: invalid event class's ID: "
- "stream-class-addr=%p, stream-class-name=\"%s\", "
- "stream-class-id=%" PRId64 ", event-class-id=%" PRIu64,
- stream_class,
- bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class), id);
- goto end;
+ if (!old_clock_class && stream_class->common.clock_class) {
+ /*
+ * Adding this event class updated the stream class's
+ * single clock class: make sure all the events which
+ * exist in event pools have an existing clock value for
+ * this clock class so that any created event object in
+ * the future (from a pool or not) has this clock value
+ * available.
+ */
+ for (i = 0; i < stream_class->common.event_classes->len; i++) {
+ struct bt_event_class *event_class =
+ stream_class->common.event_classes->pdata[i];
+
+ BT_ASSERT(event_class);
+ ret = bt_event_class_update_event_pool_clock_values(
+ event_class);
+ if (ret) {
+ goto end;
+ }
+ }
}
- event_class = g_hash_table_lookup(stream_class->event_classes_ht,
- &id_key);
- bt_get(event_class);
end:
- return event_class;
+ return ret;
}
-struct bt_field_type *bt_stream_class_get_packet_context_type(
+int64_t bt_stream_class_get_event_class_count(
struct bt_stream_class *stream_class)
{
- struct bt_field_type *ret = NULL;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- goto end;
- }
-
- bt_get(stream_class->packet_context_type);
- ret = stream_class->packet_context_type;
-end:
- return ret;
+ return bt_stream_class_common_get_event_class_count(
+ BT_TO_COMMON(stream_class));
}
-int bt_stream_class_set_packet_context_type(
- struct bt_stream_class *stream_class,
- struct bt_field_type *packet_context_type)
+struct bt_event_class *bt_stream_class_borrow_event_class_by_index(
+ struct bt_stream_class *stream_class, uint64_t index)
{
- int ret = 0;
+ return BT_FROM_COMMON(bt_stream_class_common_borrow_event_class_by_index(
+ BT_TO_COMMON(stream_class), index));
+}
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = -1;
- goto end;
- }
-
- if (stream_class->frozen) {
- BT_LOGW("Invalid parameter: stream class is frozen: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- ret = -1;
- goto end;
- }
-
- if (packet_context_type &&
- bt_field_type_get_type_id(packet_context_type) !=
- BT_FIELD_TYPE_ID_STRUCT) {
- /* A packet context must be a structure. */
- BT_LOGW("Invalid parameter: stream class's packet context field type must be a structure: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "packet-context-ft-addr=%p, packet-context-ft-id=%s",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- packet_context_type,
- bt_field_type_id_string(
- bt_field_type_get_type_id(packet_context_type)));
- ret = -1;
- goto end;
- }
-
- bt_put(stream_class->packet_context_type);
- bt_get(packet_context_type);
- stream_class->packet_context_type = packet_context_type;
- BT_LOGV("Set stream class's packet context field type: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "packet-context-ft-addr=%p",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- packet_context_type);
-
-end:
- return ret;
+struct bt_event_class *bt_stream_class_borrow_event_class_by_id(
+ struct bt_stream_class *stream_class, uint64_t id)
+{
+ return BT_FROM_COMMON(bt_stream_class_common_borrow_event_class_by_id(
+ BT_TO_COMMON(stream_class), id));
}
-struct bt_field_type *bt_stream_class_get_event_header_type(
+struct bt_field_type *bt_stream_class_borrow_packet_context_field_type(
struct bt_stream_class *stream_class)
{
- struct bt_field_type *ret = NULL;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- goto end;
- }
-
- if (!stream_class->event_header_type) {
- BT_LOGV("Stream class has no event header field type: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- goto end;
- }
-
- bt_get(stream_class->event_header_type);
- ret = stream_class->event_header_type;
-end:
- return ret;
+ return BT_FROM_COMMON(bt_stream_class_common_borrow_packet_context_field_type(
+ BT_TO_COMMON(stream_class)));
}
-int bt_stream_class_set_event_header_type(
+int bt_stream_class_set_packet_context_field_type(
struct bt_stream_class *stream_class,
- struct bt_field_type *event_header_type)
+ struct bt_field_type *packet_context_type)
{
- int ret = 0;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = -1;
- goto end;
- }
-
- if (stream_class->frozen) {
- BT_LOGW("Invalid parameter: stream class is frozen: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- ret = -1;
- goto end;
- }
-
- if (event_header_type &&
- bt_field_type_get_type_id(event_header_type) !=
- BT_FIELD_TYPE_ID_STRUCT) {
- /* An event header must be a structure. */
- BT_LOGW("Invalid parameter: stream class's event header field type must be a structure: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "event-header-ft-addr=%p, event-header-ft-id=%s",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- event_header_type,
- bt_field_type_id_string(
- bt_field_type_get_type_id(event_header_type)));
- ret = -1;
- goto end;
- }
-
- bt_put(stream_class->event_header_type);
- stream_class->event_header_type = bt_get(event_header_type);
- BT_LOGV("Set stream class's event header field type: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "event-header-ft-addr=%p",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- event_header_type);
-end:
- return ret;
+ return bt_stream_class_common_set_packet_context_field_type(
+ BT_TO_COMMON(stream_class), (void *) packet_context_type);
}
-struct bt_field_type *bt_stream_class_get_event_context_type(
+struct bt_field_type *bt_stream_class_borrow_event_header_field_type(
struct bt_stream_class *stream_class)
{
- struct bt_field_type *ret = NULL;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- goto end;
- }
-
- if (!stream_class->event_context_type) {
- goto end;
- }
-
- bt_get(stream_class->event_context_type);
- ret = stream_class->event_context_type;
-end:
- return ret;
+ return BT_FROM_COMMON(bt_stream_class_common_borrow_event_header_field_type(
+ BT_TO_COMMON(stream_class)));
}
-int bt_stream_class_set_event_context_type(
+int bt_stream_class_set_event_header_field_type(
struct bt_stream_class *stream_class,
- struct bt_field_type *event_context_type)
+ struct bt_field_type *event_header_type)
{
- int ret = 0;
-
- if (!stream_class) {
- BT_LOGW_STR("Invalid parameter: stream class is NULL.");
- ret = -1;
- goto end;
- }
-
- if (stream_class->frozen) {
- BT_LOGW("Invalid parameter: stream class is frozen: "
- "addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- ret = -1;
- goto end;
- }
-
- if (event_context_type &&
- bt_field_type_get_type_id(event_context_type) !=
- BT_FIELD_TYPE_ID_STRUCT) {
- /* A packet context must be a structure. */
- BT_LOGW("Invalid parameter: stream class's event context field type must be a structure: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "event-context-ft-addr=%p, event-context-ft-id=%s",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- event_context_type,
- bt_field_type_id_string(
- bt_field_type_get_type_id(event_context_type)));
- ret = -1;
- goto end;
- }
-
- bt_put(stream_class->event_context_type);
- stream_class->event_context_type = bt_get(event_context_type);
- BT_LOGV("Set stream class's event context field type: "
- "addr=%p, name=\"%s\", id=%" PRId64 ", "
- "event-context-ft-addr=%p",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class),
- event_context_type);
-end:
- return ret;
+ return bt_stream_class_common_set_event_header_field_type(
+ BT_TO_COMMON(stream_class), (void *) event_header_type);
}
-/* Pre-2.0 CTF writer backward compatibility */
-void bt_ctf_stream_class_get(struct bt_stream_class *stream_class)
+struct bt_field_type *bt_stream_class_borrow_event_context_field_type(
+ struct bt_stream_class *stream_class)
{
- bt_get(stream_class);
+ return BT_FROM_COMMON(bt_stream_class_common_borrow_event_context_field_type(
+ BT_TO_COMMON(stream_class)));
}
-/* Pre-2.0 CTF writer backward compatibility */
-void bt_ctf_stream_class_put(struct bt_stream_class *stream_class)
+int bt_stream_class_set_event_context_field_type(
+ struct bt_stream_class *stream_class,
+ struct bt_field_type *event_context_type)
{
- bt_put(stream_class);
+ return bt_stream_class_common_set_event_context_field_type(
+ BT_TO_COMMON(stream_class), (void *) event_context_type);
}
static
static
int visit_event_class(void *object, bt_visitor visitor,void *data)
{
- struct bt_visitor_object obj =
- { .object = object,
- .type = BT_VISITOR_OBJECT_TYPE_EVENT_CLASS };
+ struct bt_visitor_object obj = {
+ .object = object,
+ .type = BT_VISITOR_OBJECT_TYPE_EVENT_CLASS
+ };
return visitor(&obj, data);
}
-int bt_stream_class_visit(struct bt_stream_class *stream_class,
+BT_HIDDEN
+int bt_stream_class_common_visit(struct bt_stream_class_common *stream_class,
bt_visitor visitor, void *data)
{
int ret;
- struct bt_visitor_object obj =
- { .object = stream_class,
- .type = BT_VISITOR_OBJECT_TYPE_STREAM_CLASS };
+ struct bt_visitor_object obj = {
+ .object = stream_class,
+ .type = BT_VISITOR_OBJECT_TYPE_STREAM_CLASS
+ };
if (!stream_class || !visitor) {
BT_LOGW("Invalid parameter: stream class or visitor is NULL: "
get_event_class,
visit_event_class, visitor, data);
BT_LOGV("visitor_helper() returned: ret=%d", ret);
+
end:
return ret;
}
+int bt_stream_class_visit(struct bt_stream_class *stream_class,
+ bt_visitor visitor, void *data)
+{
+ return bt_stream_class_common_visit(BT_FROM_COMMON(stream_class),
+ visitor, data);
+}
+
BT_HIDDEN
-void bt_stream_class_freeze(struct bt_stream_class *stream_class)
+void bt_stream_class_common_freeze(struct bt_stream_class_common *stream_class)
{
if (!stream_class || stream_class->frozen) {
return;
}
BT_LOGD("Freezing stream class: addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
+ stream_class, bt_stream_class_common_get_name(stream_class),
+ bt_stream_class_common_get_id(stream_class));
stream_class->frozen = 1;
- bt_field_type_freeze(stream_class->event_header_type);
- bt_field_type_freeze(stream_class->packet_context_type);
- bt_field_type_freeze(stream_class->event_context_type);
-
- if (stream_class->clock) {
- bt_clock_class_freeze(stream_class->clock->clock_class);
- }
-}
-
-BT_HIDDEN
-int bt_stream_class_serialize(struct bt_stream_class *stream_class,
- struct metadata_context *context)
-{
- int ret = 0;
- size_t i;
- struct bt_trace *trace;
- struct bt_field_type *packet_header_type = NULL;
-
- BT_LOGD("Serializing stream class's metadata: "
- "stream-class-addr=%p, stream-class-name=\"%s\", "
- "stream-class-id=%" PRId64 ", metadata-context-addr=%p",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class), context);
- g_string_assign(context->field_name, "");
- context->current_indentation_level = 1;
- if (!stream_class->id_set) {
- BT_LOGW_STR("Stream class's ID is not set.");
- ret = -1;
- goto end;
- }
-
- g_string_append(context->string, "stream {\n");
-
- /*
- * The reference to the trace is only borrowed since the
- * serialization of the stream class might have been triggered
- * by the trace's destruction. In such a case, the trace's
- * reference count would, unexepectedly, go through the sequence
- * 1 -> 0 -> 1 -> 0 -> ..., provoking an endless loop of destruction
- * and serialization.
- */
- trace = bt_stream_class_borrow_trace(stream_class);
- BT_ASSERT(trace);
- packet_header_type = bt_trace_get_packet_header_type(trace);
- trace = NULL;
- if (packet_header_type) {
- struct bt_field_type *stream_id_type;
-
- stream_id_type =
- bt_field_type_structure_get_field_type_by_name(
- packet_header_type, "stream_id");
- if (stream_id_type) {
- /*
- * Only set the stream's id if the trace's packet header
- * contains a stream_id field. This field is only
- * needed if the trace contains only one stream
- * class.
- */
- g_string_append_printf(context->string,
- "\tid = %" PRId64 ";\n", stream_class->id);
- }
- bt_put(stream_id_type);
- }
- if (stream_class->event_header_type) {
- BT_LOGD_STR("Serializing stream class's event header field type's metadata.");
- g_string_append(context->string, "\tevent.header := ");
- ret = bt_field_type_serialize(stream_class->event_header_type,
- context);
- if (ret) {
- BT_LOGW("Cannot serialize stream class's event header field type's metadata: "
- "ret=%d", ret);
- goto end;
- }
- g_string_append(context->string, ";");
- }
-
-
- if (stream_class->packet_context_type) {
- BT_LOGD_STR("Serializing stream class's packet context field type's metadata.");
- g_string_append(context->string, "\n\n\tpacket.context := ");
- ret = bt_field_type_serialize(stream_class->packet_context_type,
- context);
- if (ret) {
- BT_LOGW("Cannot serialize stream class's packet context field type's metadata: "
- "ret=%d", ret);
- goto end;
- }
- g_string_append(context->string, ";");
- }
-
- if (stream_class->event_context_type) {
- BT_LOGD_STR("Serializing stream class's event context field type's metadata.");
- g_string_append(context->string, "\n\n\tevent.context := ");
- ret = bt_field_type_serialize(
- stream_class->event_context_type, context);
- if (ret) {
- BT_LOGW("Cannot serialize stream class's event context field type's metadata: "
- "ret=%d", ret);
- goto end;
- }
- g_string_append(context->string, ";");
- }
-
- g_string_append(context->string, "\n};\n\n");
-
- for (i = 0; i < stream_class->event_classes->len; i++) {
- struct bt_event_class *event_class =
- stream_class->event_classes->pdata[i];
-
- ret = bt_event_class_serialize(event_class, context);
- if (ret) {
- BT_LOGW("Cannot serialize event class's metadata: "
- "event-class-addr=%p, event-class-name=\"%s\", "
- "event-class-id=%" PRId64,
- event_class,
- bt_event_class_get_name(event_class),
- bt_event_class_get_id(event_class));
- goto end;
- }
- }
-end:
- bt_put(packet_header_type);
- context->current_indentation_level = 0;
- return ret;
-}
-
-static
-void bt_stream_class_destroy(struct bt_object *obj)
-{
- struct bt_stream_class *stream_class;
-
- stream_class = container_of(obj, struct bt_stream_class, base);
- BT_LOGD("Destroying stream class: addr=%p, name=\"%s\", id=%" PRId64,
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class));
- bt_put(stream_class->clock);
- bt_put(stream_class->clock_class);
-
- if (stream_class->event_classes_ht) {
- g_hash_table_destroy(stream_class->event_classes_ht);
- }
- if (stream_class->event_classes) {
- BT_LOGD_STR("Destroying event classes.");
- g_ptr_array_free(stream_class->event_classes, TRUE);
- }
-
- if (stream_class->name) {
- g_string_free(stream_class->name, TRUE);
- }
-
- BT_LOGD_STR("Putting event header field type.");
- bt_put(stream_class->event_header_type);
- BT_LOGD_STR("Putting packet context field type.");
- bt_put(stream_class->packet_context_type);
- BT_LOGD_STR("Putting event context field type.");
- bt_put(stream_class->event_context_type);
- g_free(stream_class);
+ bt_field_type_common_freeze(stream_class->event_header_field_type);
+ bt_field_type_common_freeze(stream_class->packet_context_field_type);
+ bt_field_type_common_freeze(stream_class->event_context_field_type);
+ bt_clock_class_freeze(stream_class->clock_class);
}
-static
-int init_event_header(struct bt_stream_class *stream_class)
-{
- int ret = 0;
- struct bt_field_type *event_header_type =
- bt_field_type_structure_create();
- struct bt_field_type *_uint32_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
- struct bt_field_type *_uint64_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT64_T);
-
- if (!event_header_type) {
- BT_LOGE_STR("Cannot create empty structure field type.");
- ret = -1;
- goto end;
- }
-
- ret = bt_field_type_structure_add_field(event_header_type,
- _uint32_t, "id");
- if (ret) {
- BT_LOGE_STR("Cannot add `id` field to event header field type.");
- goto end;
- }
-
- ret = bt_field_type_structure_add_field(event_header_type,
- _uint64_t, "timestamp");
- if (ret) {
- BT_LOGE_STR("Cannot add `timestamp` field to event header field type.");
- goto end;
- }
-
- BT_MOVE(stream_class->event_header_type, event_header_type);
-end:
- if (ret) {
- bt_put(event_header_type);
- }
-
- bt_put(_uint32_t);
- bt_put(_uint64_t);
- return ret;
-}
-
-static
-int init_packet_context(struct bt_stream_class *stream_class)
-{
- int ret = 0;
- struct bt_field_type *packet_context_type =
- bt_field_type_structure_create();
- struct bt_field_type *_uint64_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT64_T);
- struct bt_field_type *ts_begin_end_uint64_t;
-
- if (!packet_context_type) {
- BT_LOGE_STR("Cannot create empty structure field type.");
- ret = -1;
- goto end;
- }
-
- ts_begin_end_uint64_t = bt_field_type_copy(_uint64_t);
- if (!ts_begin_end_uint64_t) {
- BT_LOGE_STR("Cannot copy integer field type for `timestamp_begin` and `timestamp_end` fields.");
- ret = -1;
- goto end;
- }
-
- /*
- * We create a stream packet context as proposed in the CTF
- * specification.
- */
- ret = bt_field_type_structure_add_field(packet_context_type,
- ts_begin_end_uint64_t, "timestamp_begin");
- if (ret) {
- BT_LOGE_STR("Cannot add `timestamp_begin` field to event header field type.");
- goto end;
- }
-
- ret = bt_field_type_structure_add_field(packet_context_type,
- ts_begin_end_uint64_t, "timestamp_end");
- if (ret) {
- BT_LOGE_STR("Cannot add `timestamp_end` field to event header field type.");
- goto end;
- }
-
- ret = bt_field_type_structure_add_field(packet_context_type,
- _uint64_t, "content_size");
- if (ret) {
- BT_LOGE_STR("Cannot add `content_size` field to event header field type.");
- goto end;
- }
-
- ret = bt_field_type_structure_add_field(packet_context_type,
- _uint64_t, "packet_size");
- if (ret) {
- BT_LOGE_STR("Cannot add `packet_size` field to event header field type.");
- goto end;
- }
-
- ret = bt_field_type_structure_add_field(packet_context_type,
- _uint64_t, "events_discarded");
- if (ret) {
- BT_LOGE_STR("Cannot add `events_discarded` field to event header field type.");
- goto end;
- }
-
- BT_MOVE(stream_class->packet_context_type, packet_context_type);
-end:
- if (ret) {
- bt_put(packet_context_type);
- goto end;
- }
-
- bt_put(_uint64_t);
- bt_put(ts_begin_end_uint64_t);
- return ret;
-}
-
-static
-int try_map_clock_class(struct bt_stream_class *stream_class,
- struct bt_field_type *parent_ft, const char *field_name)
-{
- struct bt_clock_class *mapped_clock_class = NULL;
- int ret = 0;
- struct bt_field_type *ft =
- bt_field_type_structure_get_field_type_by_name(parent_ft,
- field_name);
-
- BT_ASSERT(stream_class->clock);
-
- if (!ft) {
- /* Field does not exist: not an error */
- goto end;
- }
-
- BT_ASSERT(bt_field_type_is_integer(ft));
- mapped_clock_class =
- bt_field_type_integer_get_mapped_clock_class(ft);
- if (!mapped_clock_class) {
- struct bt_field_type *ft_copy;
-
- if (!stream_class->clock) {
- BT_LOGW("Cannot automatically set field's type mapped clock class: stream class's clock is not set: "
- "stream-class-addr=%p, stream-class-name=\"%s\", "
- "stream-class-id=%" PRId64 ", ft-addr=%p",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class), ft);
- ret = -1;
- goto end;
- }
-
- ft_copy = bt_field_type_copy(ft);
- if (!ft_copy) {
- BT_LOGE("Failed to copy integer field type: ft-addr=%p",
- ft);
- }
-
- ret = bt_field_type_integer_set_mapped_clock_class_no_check(
- ft_copy, stream_class->clock->clock_class);
- BT_ASSERT(ret == 0);
- ret = bt_field_type_structure_replace_field(parent_ft,
- field_name, ft_copy);
- bt_put(ft_copy);
- BT_LOGV("Automatically mapped field type to stream class's clock class: "
- "stream-class-addr=%p, stream-class-name=\"%s\", "
- "stream-class-id=%" PRId64 ", ft-addr=%p, "
- "ft-copy-addr=%p",
- stream_class, bt_stream_class_get_name(stream_class),
- bt_stream_class_get_id(stream_class), ft, ft_copy);
- }
-
-end:
- bt_put(ft);
- bt_put(mapped_clock_class);
- return ret;
-}
-
-BT_HIDDEN
-int bt_stream_class_map_clock_class(
- struct bt_stream_class *stream_class,
- struct bt_field_type *packet_context_type,
- struct bt_field_type *event_header_type)
+void bt_stream_class_freeze(struct bt_stream_class *stream_class)
{
- int ret = 0;
-
- BT_ASSERT(stream_class);
-
- if (!stream_class->clock) {
- /* No clock class to map to */
- goto end;
- }
-
- if (packet_context_type) {
- if (try_map_clock_class(stream_class, packet_context_type,
- "timestamp_begin")) {
- BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_begin` field's mapped clock class.");
- ret = -1;
- goto end;
- }
-
- if (try_map_clock_class(stream_class, packet_context_type,
- "timestamp_end")) {
- BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_end` field's mapped clock class.");
- ret = -1;
- goto end;
- }
- }
-
- if (event_header_type) {
- if (try_map_clock_class(stream_class, event_header_type,
- "timestamp")) {
- BT_LOGE_STR("Cannot automatically set stream class's event header field type's `timestamp` field's mapped clock class.");
- ret = -1;
- goto end;
- }
- }
-
-end:
- return ret;
+ bt_stream_class_common_freeze(BT_TO_COMMON(stream_class));
}
BT_HIDDEN
-int bt_stream_class_validate_single_clock_class(
- struct bt_stream_class *stream_class,
+int bt_stream_class_common_validate_single_clock_class(
+ struct bt_stream_class_common *stream_class,
struct bt_clock_class **expected_clock_class)
{
int ret;
BT_ASSERT(stream_class);
BT_ASSERT(expected_clock_class);
- ret = bt_validate_single_clock_class(stream_class->packet_context_type,
+ ret = bt_field_type_common_validate_single_clock_class(
+ stream_class->packet_context_field_type,
expected_clock_class);
if (ret) {
BT_LOGW("Stream class's packet context field type "
"stream-class-id=%" PRId64 ", "
"ft-addr=%p",
stream_class,
- bt_stream_class_get_name(stream_class),
+ bt_stream_class_common_get_name(stream_class),
stream_class->id,
- stream_class->packet_context_type);
+ stream_class->packet_context_field_type);
goto end;
}
- ret = bt_validate_single_clock_class(stream_class->event_header_type,
+ ret = bt_field_type_common_validate_single_clock_class(
+ stream_class->event_header_field_type,
expected_clock_class);
if (ret) {
BT_LOGW("Stream class's event header field type "
"stream-class-id=%" PRId64 ", "
"ft-addr=%p",
stream_class,
- bt_stream_class_get_name(stream_class),
+ bt_stream_class_common_get_name(stream_class),
stream_class->id,
- stream_class->event_header_type);
+ stream_class->event_header_field_type);
goto end;
}
- ret = bt_validate_single_clock_class(stream_class->event_context_type,
+ ret = bt_field_type_common_validate_single_clock_class(
+ stream_class->event_context_field_type,
expected_clock_class);
if (ret) {
BT_LOGW("Stream class's event context field type "
"stream-class-id=%" PRId64 ", "
"ft-addr=%p",
stream_class,
- bt_stream_class_get_name(stream_class),
+ bt_stream_class_common_get_name(stream_class),
stream_class->id,
- stream_class->event_context_type);
+ stream_class->event_context_field_type);
goto end;
}
for (i = 0; i < stream_class->event_classes->len; i++) {
- struct bt_event_class *event_class =
+ struct bt_event_class_common *event_class =
g_ptr_array_index(stream_class->event_classes, i);
BT_ASSERT(event_class);
- ret = bt_event_class_validate_single_clock_class(event_class,
- expected_clock_class);
+ ret = bt_event_class_common_validate_single_clock_class(
+ event_class, expected_clock_class);
if (ret) {
BT_LOGW("Stream class's event class contains a "
"field type which is not recursively mapped to "
"stream-class-name=\"%s\", "
"stream-class-id=%" PRId64,
stream_class,
- bt_stream_class_get_name(stream_class),
+ bt_stream_class_common_get_name(stream_class),
stream_class->id);
goto end;
}