* SOFTWARE.
*/
+#define BT_LOG_TAG "TRACE"
+#include <babeltrace/lib-logging-internal.h>
+
+#include <babeltrace/assert-pre-internal.h>
#include <babeltrace/ctf-ir/trace-internal.h>
#include <babeltrace/ctf-ir/clock-class-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/ctf-ir/event-class-internal.h>
#include <babeltrace/ctf-writer/functor-internal.h>
#include <babeltrace/ctf-writer/clock-internal.h>
+#include <babeltrace/ctf-ir/field-wrapper-internal.h>
#include <babeltrace/ctf-ir/field-types-internal.h>
#include <babeltrace/ctf-ir/attributes-internal.h>
-#include <babeltrace/ctf-ir/validation-internal.h>
-#include <babeltrace/ctf-ir/visitor-internal.h>
-#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ctf-ir/utils-internal.h>
+#include <babeltrace/ctf-ir/resolve-field-path-internal.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/values.h>
+#include <babeltrace/values-internal.h>
#include <babeltrace/ref.h>
+#include <babeltrace/types.h>
#include <babeltrace/endian-internal.h>
+#include <babeltrace/assert-internal.h>
+#include <babeltrace/compat/glib-internal.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
+#include <stdlib.h>
-#define DEFAULT_IDENTIFIER_SIZE 128
-#define DEFAULT_METADATA_STRING_SIZE 4096
-
-struct listener_wrapper {
- bt_ctf_listener_cb listener;
+struct bt_trace_is_static_listener_elem {
+ bt_trace_is_static_listener func;
+ bt_trace_listener_removed removed;
void *data;
};
-static
-void bt_ctf_trace_destroy(struct bt_object *obj);
-static
-void bt_ctf_trace_freeze(struct bt_ctf_trace *trace);
-
-static
-const unsigned int field_type_aliases_alignments[] = {
- [FIELD_TYPE_ALIAS_UINT5_T] = 1,
- [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8,
- [FIELD_TYPE_ALIAS_UINT27_T] = 1,
- [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8,
-};
+#define BT_ASSERT_PRE_TRACE_HOT(_trace) \
+ BT_ASSERT_PRE_HOT((_trace), "Trace", ": %!+t", (_trace))
static
-const unsigned int field_type_aliases_sizes[] = {
- [FIELD_TYPE_ALIAS_UINT5_T] = 5,
- [FIELD_TYPE_ALIAS_UINT8_T] = 8,
- [FIELD_TYPE_ALIAS_UINT16_T] = 16,
- [FIELD_TYPE_ALIAS_UINT27_T] = 27,
- [FIELD_TYPE_ALIAS_UINT32_T] = 32,
- [FIELD_TYPE_ALIAS_UINT64_T] = 64,
-};
-
-struct bt_ctf_trace *bt_ctf_trace_create(void)
-{
- struct bt_ctf_trace *trace = NULL;
- struct bt_ctf_field_type *packet_header_type = NULL;
-
- trace = g_new0(struct bt_ctf_trace, 1);
- if (!trace) {
- goto error;
- }
-
- trace->native_byte_order = BT_CTF_BYTE_ORDER_NATIVE;
- bt_object_init(trace, bt_ctf_trace_destroy);
- trace->clocks = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_put);
- trace->streams = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_release);
- trace->stream_classes = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_release);
- if (!trace->clocks || !trace->stream_classes || !trace->streams) {
- goto error;
- }
-
- packet_header_type = bt_ctf_field_type_structure_create();
- if (!packet_header_type) {
- goto error;
- }
-
- BT_MOVE(trace->packet_header_type, packet_header_type);
-
- /* Create the environment array object */
- trace->environment = bt_ctf_attributes_create();
- if (!trace->environment) {
- goto error;
- }
-
- trace->listeners = g_ptr_array_new_with_free_func(
- (GDestroyNotify) g_free);
- if (!trace->listeners) {
- goto error;
- }
-
- return trace;
-
-error:
- BT_PUT(trace);
- bt_put(packet_header_type);
- return trace;
-}
-
-const char *bt_ctf_trace_get_name(struct bt_ctf_trace *trace)
+void destroy_trace(struct bt_object *obj)
{
- const char *name = NULL;
-
- if (!trace || !trace->name) {
- goto end;
- }
-
- name = trace->name->str;
-end:
- return name;
-}
+ struct bt_trace *trace = (void *) obj;
-int bt_ctf_trace_set_name(struct bt_ctf_trace *trace, const char *name)
-{
- int ret = 0;
+ BT_LIB_LOGD("Destroying trace object: %!+t", trace);
- if (!trace || !name || trace->frozen) {
- ret = -1;
- goto end;
- }
-
- trace->name = trace->name ? g_string_assign(trace->name, name) :
- g_string_new(name);
- if (!trace->name) {
- ret = -1;
- goto end;
- }
-end:
- return ret;
-}
+ /*
+ * Call remove listeners first so that everything else still
+ * exists in the trace.
+ */
+ if (trace->is_static_listeners) {
+ size_t i;
-const unsigned char *bt_ctf_trace_get_uuid(struct bt_ctf_trace *trace)
-{
- return trace && trace->uuid_set ? trace->uuid : NULL;
-}
+ for (i = 0; i < trace->is_static_listeners->len; i++) {
+ struct bt_trace_is_static_listener_elem elem =
+ g_array_index(trace->is_static_listeners,
+ struct bt_trace_is_static_listener_elem, i);
-int bt_ctf_trace_set_uuid(struct bt_ctf_trace *trace, const unsigned char *uuid)
-{
- int ret = 0;
+ if (elem.removed) {
+ elem.removed(trace, elem.data);
+ }
+ }
- if (!trace || !uuid || trace->frozen) {
- ret = -1;
- goto end;
+ g_array_free(trace->is_static_listeners, TRUE);
}
- memcpy(trace->uuid, uuid, sizeof(uuid_t));
- trace->uuid_set = true;
-
-end:
- return ret;
-}
-
-void bt_ctf_trace_destroy(struct bt_object *obj)
-{
- struct bt_ctf_trace *trace;
+ bt_object_pool_finalize(&trace->packet_header_field_pool);
- trace = container_of(obj, struct bt_ctf_trace, base);
if (trace->environment) {
- bt_ctf_attributes_destroy(trace->environment);
+ BT_LOGD_STR("Destroying environment attributes.");
+ bt_attributes_destroy(trace->environment);
}
- if (trace->name) {
- g_string_free(trace->name, TRUE);
- }
-
- if (trace->clocks) {
- g_ptr_array_free(trace->clocks, TRUE);
+ if (trace->name.str) {
+ g_string_free(trace->name.str, TRUE);
}
if (trace->streams) {
+ BT_LOGD_STR("Destroying streams.");
g_ptr_array_free(trace->streams, TRUE);
}
if (trace->stream_classes) {
+ BT_LOGD_STR("Destroying stream classes.");
g_ptr_array_free(trace->stream_classes, TRUE);
}
- if (trace->listeners) {
- g_ptr_array_free(trace->listeners, TRUE);
+ if (trace->stream_classes_stream_count) {
+ g_hash_table_destroy(trace->stream_classes_stream_count);
}
- bt_put(trace->packet_header_type);
+ BT_LOGD_STR("Putting packet header field type.");
+ bt_put(trace->packet_header_ft);
g_free(trace);
}
-int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace,
- const char *name, struct bt_value *value)
+static
+void free_packet_header_field(struct bt_field_wrapper *field_wrapper,
+ struct bt_trace *trace)
{
- int ret = 0;
-
- if (!trace || !name || !value ||
- bt_ctf_validate_identifier(name) ||
- !(bt_value_is_integer(value) || bt_value_is_string(value))) {
- ret = -1;
- goto end;
- }
-
- if (strchr(name, ' ')) {
- ret = -1;
- goto end;
- }
-
- if (trace->frozen) {
- /*
- * New environment fields may be added to a frozen trace,
- * but existing fields may not be changed.
- *
- * The object passed is frozen like all other attributes.
- */
- struct bt_value *attribute =
- bt_ctf_attributes_get_field_value_by_name(
- trace->environment, name);
-
- if (attribute) {
- BT_PUT(attribute);
- ret = -1;
- goto end;
- }
-
- bt_value_freeze(value);
- }
-
- ret = bt_ctf_attributes_set_field_value(trace->environment, name,
- value);
-
-end:
- return ret;
+ bt_field_wrapper_destroy(field_wrapper);
}
-int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace,
- const char *name, const char *value)
+struct bt_trace *bt_trace_create(void)
{
- int ret = 0;
- struct bt_value *env_value_string_obj = NULL;
+ struct bt_trace *trace = NULL;
+ int ret;
- if (!trace || !name || !value) {
- ret = -1;
- goto end;
+ BT_LOGD_STR("Creating default trace object.");
+ trace = g_new0(struct bt_trace, 1);
+ if (!trace) {
+ BT_LOGE_STR("Failed to allocate one trace.");
+ goto error;
}
- if (trace->frozen) {
- /*
- * New environment fields may be added to a frozen trace,
- * but existing fields may not be changed.
- */
- struct bt_value *attribute =
- bt_ctf_attributes_get_field_value_by_name(
- trace->environment, name);
-
- if (attribute) {
- BT_PUT(attribute);
- ret = -1;
- goto end;
- }
+ bt_object_init_shared_with_parent(&trace->base, destroy_trace);
+ trace->streams = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_try_spec_release);
+ if (!trace->streams) {
+ BT_LOGE_STR("Failed to allocate one GPtrArray.");
+ goto error;
}
- env_value_string_obj = bt_value_string_create_init(value);
-
- if (!env_value_string_obj) {
- ret = -1;
- goto end;
+ trace->stream_classes = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_try_spec_release);
+ if (!trace->stream_classes) {
+ BT_LOGE_STR("Failed to allocate one GPtrArray.");
+ goto error;
}
- if (trace->frozen) {
- bt_value_freeze(env_value_string_obj);
+ trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash,
+ g_direct_equal);
+ if (!trace->stream_classes_stream_count) {
+ BT_LOGE_STR("Failed to allocate one GHashTable.");
+ goto error;
}
- ret = bt_ctf_trace_set_environment_field(trace, name,
- env_value_string_obj);
-end:
- BT_PUT(env_value_string_obj);
- return ret;
-}
-
-int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace,
- const char *name, int64_t value)
-{
- int ret = 0;
- struct bt_value *env_value_integer_obj = NULL;
-
- if (!trace || !name) {
- ret = -1;
- goto end;
+ trace->name.str = g_string_new(NULL);
+ if (!trace->name.str) {
+ BT_LOGE_STR("Failed to allocate one GString.");
+ goto error;
}
- if (trace->frozen) {
- /*
- * New environment fields may be added to a frozen trace,
- * but existing fields may not be changed.
- */
- struct bt_value *attribute =
- bt_ctf_attributes_get_field_value_by_name(
- trace->environment, name);
-
- if (attribute) {
- BT_PUT(attribute);
- ret = -1;
- goto end;
- }
+ trace->environment = bt_attributes_create();
+ if (!trace->environment) {
+ BT_LOGE_STR("Cannot create empty attributes object.");
+ goto error;
}
- env_value_integer_obj = bt_value_integer_create_init(value);
- if (!env_value_integer_obj) {
- ret = -1;
- goto end;
+ trace->is_static_listeners = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_trace_is_static_listener_elem));
+ if (!trace->is_static_listeners) {
+ BT_LOGE_STR("Failed to allocate one GArray.");
+ goto error;
}
- ret = bt_ctf_trace_set_environment_field(trace, name,
- env_value_integer_obj);
- if (trace->frozen) {
- bt_value_freeze(env_value_integer_obj);
+ trace->assigns_automatic_stream_class_id = true;
+ ret = bt_object_pool_initialize(&trace->packet_header_field_pool,
+ (bt_object_pool_new_object_func) bt_field_wrapper_new,
+ (bt_object_pool_destroy_object_func) free_packet_header_field,
+ trace);
+ if (ret) {
+ BT_LOGE("Failed to initialize packet header field pool: ret=%d",
+ ret);
+ goto error;
}
-end:
- BT_PUT(env_value_integer_obj);
- return ret;
-}
-int64_t bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace)
-{
- int64_t ret = 0;
-
- if (!trace) {
- ret = (int64_t) -1;
- goto end;
- }
+ BT_LIB_LOGD("Created trace object: %!+t", trace);
+ goto end;
- ret = bt_ctf_attributes_get_count(trace->environment);
+error:
+ BT_PUT(trace);
end:
- return ret;
+ return trace;
}
-const char *
-bt_ctf_trace_get_environment_field_name_by_index(struct bt_ctf_trace *trace,
- uint64_t index)
+const char *bt_trace_get_name(struct bt_trace *trace)
{
- const char *ret = NULL;
-
- if (!trace) {
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_name(trace->environment, index);
-
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return trace->name.value;
}
-struct bt_value *bt_ctf_trace_get_environment_field_value_by_index(
- struct bt_ctf_trace *trace, uint64_t index)
+int bt_trace_set_name(struct bt_trace *trace, const char *name)
{
- struct bt_value *ret = NULL;
-
- if (!trace) {
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_value(trace->environment, index);
-
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ BT_ASSERT_PRE_TRACE_HOT(trace);
+ g_string_assign(trace->name.str, name);
+ trace->name.value = trace->name.str->str;
+ BT_LIB_LOGV("Set trace's name: %!+t", trace);
+ return 0;
}
-struct bt_value *bt_ctf_trace_get_environment_field_value_by_name(
- struct bt_ctf_trace *trace, const char *name)
+bt_uuid bt_trace_get_uuid(struct bt_trace *trace)
{
- struct bt_value *ret = NULL;
-
- if (!trace || !name) {
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_value_by_name(trace->environment,
- name);
-
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return trace->uuid.value;
}
-int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace,
- struct bt_ctf_clock_class *clock_class)
+int bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid)
{
- int ret = 0;
-
- if (!trace || trace->is_static ||
- !bt_ctf_clock_class_is_valid(clock_class)) {
- ret = -1;
- goto end;
- }
-
- /* Check for duplicate clock classes */
- if (bt_ctf_trace_has_clock_class(trace, clock_class)) {
- ret = -1;
- goto end;
- }
-
- bt_get(clock_class);
- g_ptr_array_add(trace->clocks, clock_class);
-
- if (trace->frozen) {
- bt_ctf_clock_class_freeze(clock_class);
- }
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(uuid, "UUID");
+ BT_ASSERT_PRE_TRACE_HOT(trace);
+ memcpy(trace->uuid.uuid, uuid, BABELTRACE_UUID_LEN);
+ trace->uuid.value = trace->uuid.uuid;
+ BT_LIB_LOGV("Set trace's UUID: %!+t", trace);
+ return 0;
}
-int64_t bt_ctf_trace_get_clock_class_count(struct bt_ctf_trace *trace)
+BT_ASSERT_FUNC
+static
+bool trace_has_environment_entry(struct bt_trace *trace, const char *name)
{
- int64_t ret = (int64_t) -1;
+ struct bt_value *attribute;
- if (!trace) {
- goto end;
- }
+ BT_ASSERT(trace);
- ret = trace->clocks->len;
-end:
- return ret;
+ attribute = bt_attributes_borrow_field_value_by_name(
+ trace->environment, name);
+ return attribute != NULL;
}
-struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_index(
- struct bt_ctf_trace *trace, uint64_t index)
+static
+int set_environment_entry(struct bt_trace *trace, const char *name,
+ struct bt_value *value)
{
- struct bt_ctf_clock_class *clock_class = NULL;
+ int ret;
- if (!trace || index >= trace->clocks->len) {
- goto end;
+ BT_ASSERT(trace);
+ BT_ASSERT(name);
+ BT_ASSERT(value);
+ BT_ASSERT_PRE(!trace->frozen ||
+ !trace_has_environment_entry(trace, name),
+ "Trace is frozen: cannot replace environment entry: "
+ "%![trace-]+t, entry-name=\"%s\"", trace, name);
+ ret = bt_attributes_set_field_value(trace->environment, name,
+ value);
+ bt_value_freeze(value);
+ if (ret) {
+ BT_LIB_LOGE("Cannot set trace's environment entry: "
+ "%![trace-]+t, entry-name=\"%s\"", trace, name);
+ } else {
+ BT_LIB_LOGV("Set trace's environment entry: "
+ "%![trace-]+t, entry-name=\"%s\"", trace, name);
}
- clock_class = g_ptr_array_index(trace->clocks, index);
- bt_get(clock_class);
-end:
- return clock_class;
+ return ret;
}
-int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace,
- struct bt_ctf_stream_class *stream_class)
+int bt_trace_set_environment_entry_string(struct bt_trace *trace,
+ const char *name, const char *value)
{
int ret;
- int64_t i;
- int64_t stream_id;
- struct bt_ctf_validation_output trace_sc_validation_output = { 0 };
- struct bt_ctf_validation_output *ec_validation_outputs = NULL;
- const enum bt_ctf_validation_flag trace_sc_validation_flags =
- BT_CTF_VALIDATION_FLAG_TRACE |
- BT_CTF_VALIDATION_FLAG_STREAM;
- const enum bt_ctf_validation_flag ec_validation_flags =
- BT_CTF_VALIDATION_FLAG_EVENT;
- struct bt_ctf_field_type *packet_header_type = NULL;
- struct bt_ctf_field_type *packet_context_type = NULL;
- struct bt_ctf_field_type *event_header_type = NULL;
- struct bt_ctf_field_type *stream_event_ctx_type = NULL;
- int64_t event_class_count;
- struct bt_ctf_trace *current_parent_trace = NULL;
-
- if (!trace || !stream_class || trace->is_static) {
- ret = -1;
- goto end;
- }
-
- /*
- * At the end of this function we freeze the trace, so its
- * native byte order must NOT be BT_CTF_BYTE_ORDER_NATIVE.
- */
- if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
- ret = -1;
- goto end;
- }
-
- current_parent_trace = bt_ctf_stream_class_get_trace(stream_class);
- if (current_parent_trace) {
- /* Stream class is already associated to a trace, abort. */
+ struct bt_value *value_obj;
+
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ BT_ASSERT_PRE_NON_NULL(value, "Value");
+ value_obj = bt_value_string_create_init(value);
+ if (!value_obj) {
+ BT_LOGE_STR("Cannot create a string value object.");
ret = -1;
goto end;
}
- event_class_count =
- bt_ctf_stream_class_get_event_class_count(stream_class);
- assert(event_class_count >= 0);
+ /* set_environment_entry() logs errors */
+ ret = set_environment_entry(trace, name, value_obj);
- /* Check for duplicate stream classes */
- for (i = 0; i < trace->stream_classes->len; i++) {
- if (trace->stream_classes->pdata[i] == stream_class) {
- /* Stream class already registered to the trace */
- ret = -1;
- goto end;
- }
- }
-
- if (stream_class->clock) {
- struct bt_ctf_clock_class *stream_clock_class =
- stream_class->clock->clock_class;
-
- if (trace->is_created_by_writer) {
- /*
- * Make sure this clock was also added to the
- * trace (potentially through its CTF writer
- * owner).
- */
- size_t i;
-
- for (i = 0; i < trace->clocks->len; i++) {
- if (trace->clocks->pdata[i] ==
- stream_clock_class) {
- /* Found! */
- break;
- }
- }
-
- if (i == trace->clocks->len) {
- /* Not found */
- ret = -1;
- goto end;
- }
- } else {
- /*
- * This trace was NOT created by a CTF writer,
- * thus do not allow the stream class to add to
- * have a clock at all. Those are two
- * independent APIs (non-writer and writer
- * APIs), and isolating them simplifies things.
- */
- ret = -1;
- goto end;
- }
- }
-
- /*
- * We're about to freeze both the trace and the stream class.
- * Also, each event class contained in this stream class are
- * already frozen.
- *
- * This trace, this stream class, and all its event classes
- * should be valid at this point.
- *
- * Validate trace and stream class first, then each event
- * class of this stream class can be validated individually.
- */
- packet_header_type =
- bt_ctf_trace_get_packet_header_type(trace);
- packet_context_type =
- bt_ctf_stream_class_get_packet_context_type(stream_class);
- event_header_type =
- bt_ctf_stream_class_get_event_header_type(stream_class);
- stream_event_ctx_type =
- bt_ctf_stream_class_get_event_context_type(stream_class);
- ret = bt_ctf_validate_class_types(trace->environment,
- packet_header_type, packet_context_type, event_header_type,
- stream_event_ctx_type, NULL, NULL, trace->valid,
- stream_class->valid, 1, &trace_sc_validation_output,
- trace_sc_validation_flags);
- BT_PUT(packet_header_type);
- BT_PUT(packet_context_type);
- BT_PUT(event_header_type);
- BT_PUT(stream_event_ctx_type);
-
- if (ret) {
- /*
- * This means something went wrong during the validation
- * process, not that the objects are invalid.
- */
- goto end;
- }
-
- if ((trace_sc_validation_output.valid_flags &
- trace_sc_validation_flags) !=
- trace_sc_validation_flags) {
- /* Invalid trace/stream class */
- ret = -1;
- goto end;
- }
-
- if (event_class_count > 0) {
- ec_validation_outputs = g_new0(struct bt_ctf_validation_output,
- event_class_count);
- if (!ec_validation_outputs) {
- ret = -1;
- goto end;
- }
- }
-
- /* Validate each event class individually */
- for (i = 0; i < event_class_count; i++) {
- struct bt_ctf_event_class *event_class =
- bt_ctf_stream_class_get_event_class_by_index(
- stream_class, i);
- struct bt_ctf_field_type *event_context_type = NULL;
- struct bt_ctf_field_type *event_payload_type = NULL;
-
- event_context_type =
- bt_ctf_event_class_get_context_type(event_class);
- event_payload_type =
- bt_ctf_event_class_get_payload_type(event_class);
-
- /*
- * It is important to use the field types returned by
- * the previous trace and stream class validation here
- * because copies could have been made.
- */
- ret = bt_ctf_validate_class_types(trace->environment,
- trace_sc_validation_output.packet_header_type,
- trace_sc_validation_output.packet_context_type,
- trace_sc_validation_output.event_header_type,
- trace_sc_validation_output.stream_event_ctx_type,
- event_context_type, event_payload_type,
- 1, 1, event_class->valid, &ec_validation_outputs[i],
- ec_validation_flags);
- BT_PUT(event_context_type);
- BT_PUT(event_payload_type);
- BT_PUT(event_class);
-
- if (ret) {
- goto end;
- }
-
- if ((ec_validation_outputs[i].valid_flags &
- ec_validation_flags) != ec_validation_flags) {
- /* Invalid event class */
- ret = -1;
- goto end;
- }
- }
-
- stream_id = bt_ctf_stream_class_get_id(stream_class);
- if (stream_id < 0) {
- stream_id = trace->next_stream_id++;
- if (stream_id < 0) {
- ret = -1;
- goto end;
- }
-
- /* Try to assign a new stream id */
- for (i = 0; i < trace->stream_classes->len; i++) {
- if (stream_id == bt_ctf_stream_class_get_id(
- trace->stream_classes->pdata[i])) {
- /* Duplicate stream id found */
- ret = -1;
- goto end;
- }
- }
-
- if (bt_ctf_stream_class_set_id_no_check(stream_class,
- stream_id)) {
- /* TODO Should retry with a different stream id */
- ret = -1;
- goto end;
- }
- }
-
- bt_object_set_parent(stream_class, trace);
- g_ptr_array_add(trace->stream_classes, stream_class);
-
- /*
- * At this point we know that the function will be successful.
- * Therefore we can replace the trace and stream class field
- * types with what's in their validation output structure and
- * mark them as valid. We can also replace the field types of
- * all the event classes of the stream class and mark them as
- * valid.
- */
- bt_ctf_validation_replace_types(trace, stream_class, NULL,
- &trace_sc_validation_output, trace_sc_validation_flags);
- trace->valid = 1;
- stream_class->valid = 1;
-
- /*
- * Put what was not moved in bt_ctf_validation_replace_types().
- */
- bt_ctf_validation_output_put_types(&trace_sc_validation_output);
-
- for (i = 0; i < event_class_count; i++) {
- struct bt_ctf_event_class *event_class =
- bt_ctf_stream_class_get_event_class_by_index(
- stream_class, i);
-
- bt_ctf_validation_replace_types(NULL, NULL, event_class,
- &ec_validation_outputs[i], ec_validation_flags);
- event_class->valid = 1;
- BT_PUT(event_class);
-
- /*
- * Put what was not moved in
- * bt_ctf_validation_replace_types().
- */
- bt_ctf_validation_output_put_types(&ec_validation_outputs[i]);
- }
-
- /*
- * Freeze the trace and the stream class.
- */
- bt_ctf_stream_class_freeze(stream_class);
- bt_ctf_trace_freeze(trace);
-
- /* Notifiy listeners of the trace's schema modification. */
- bt_ctf_stream_class_visit(stream_class,
- bt_ctf_trace_object_modification, trace);
end:
- if (ret) {
- bt_object_set_parent(stream_class, NULL);
-
- if (ec_validation_outputs) {
- for (i = 0; i < event_class_count; i++) {
- bt_ctf_validation_output_put_types(
- &ec_validation_outputs[i]);
- }
- }
- }
-
- g_free(ec_validation_outputs);
- bt_ctf_validation_output_put_types(&trace_sc_validation_output);
- bt_put(current_parent_trace);
- assert(!packet_header_type);
- assert(!packet_context_type);
- assert(!event_header_type);
- assert(!stream_event_ctx_type);
-
+ bt_put(value_obj);
return ret;
}
-int64_t bt_ctf_trace_get_stream_count(struct bt_ctf_trace *trace)
+int bt_trace_set_environment_entry_integer(
+ struct bt_trace *trace, const char *name, int64_t value)
{
- int64_t ret;
+ int ret;
+ struct bt_value *value_obj;
- if (!trace) {
- ret = (int64_t) -1;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ value_obj = bt_value_integer_create_init(value);
+ if (!value_obj) {
+ BT_LOGE_STR("Cannot create an integer value object.");
+ ret = -1;
goto end;
}
- ret = (int64_t) trace->streams->len;
+ /* set_environment_entry() logs errors */
+ ret = set_environment_entry(trace, name, value_obj);
end:
+ bt_put(value_obj);
return ret;
}
-struct bt_ctf_stream *bt_ctf_trace_get_stream_by_index(
- struct bt_ctf_trace *trace,
- uint64_t index)
+uint64_t bt_trace_get_environment_entry_count(struct bt_trace *trace)
{
- struct bt_ctf_stream *stream = NULL;
-
- if (!trace || index >= trace->streams->len) {
- goto end;
- }
-
- stream = bt_get(g_ptr_array_index(trace->streams, index));
+ int64_t ret;
-end:
- return stream;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ ret = bt_attributes_get_count(trace->environment);
+ BT_ASSERT(ret >= 0);
+ return (uint64_t) ret;
}
-int64_t bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace)
+void bt_trace_borrow_environment_entry_by_index(
+ struct bt_trace *trace, uint64_t index,
+ const char **name, struct bt_value **value)
{
- int64_t ret;
-
- if (!trace) {
- ret = (int64_t) -1;
- goto end;
- }
-
- ret = (int64_t) trace->stream_classes->len;
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ BT_ASSERT_PRE_NON_NULL(value, "Value");
+ BT_ASSERT_PRE_VALID_INDEX(index,
+ bt_attributes_get_count(trace->environment));
+ *value = bt_attributes_borrow_field_value(trace->environment, index);
+ BT_ASSERT(*value);
+ *name = bt_attributes_get_field_name(trace->environment, index);
+ BT_ASSERT(*name);
}
-struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_index(
- struct bt_ctf_trace *trace, uint64_t index)
+struct bt_value *bt_trace_borrow_environment_entry_value_by_name(
+ struct bt_trace *trace, const char *name)
{
- struct bt_ctf_stream_class *stream_class = NULL;
-
- if (!trace || index >= trace->stream_classes->len) {
- goto end;
- }
-
- stream_class = g_ptr_array_index(trace->stream_classes, index);
- bt_get(stream_class);
-end:
- return stream_class;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ return bt_attributes_borrow_field_value_by_name(trace->environment,
+ name);
}
-struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id(
- struct bt_ctf_trace *trace, uint64_t id_param)
+uint64_t bt_trace_get_stream_count(struct bt_trace *trace)
{
- int i;
- struct bt_ctf_stream_class *stream_class = NULL;
- int64_t id = (int64_t) id_param;
-
- if (!trace || id < 0) {
- goto end;
- }
-
- for (i = 0; i < trace->stream_classes->len; i++) {
- struct bt_ctf_stream_class *stream_class_candidate;
-
- stream_class_candidate =
- g_ptr_array_index(trace->stream_classes, i);
-
- if (bt_ctf_stream_class_get_id(stream_class_candidate) ==
- (int64_t) id) {
- stream_class = stream_class_candidate;
- bt_get(stream_class);
- goto end;
- }
- }
-
-end:
- return stream_class;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return (uint64_t) trace->streams->len;
}
-struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name(
- struct bt_ctf_trace *trace, const char *name)
+struct bt_stream *bt_trace_borrow_stream_by_index(
+ struct bt_trace *trace, uint64_t index)
{
- size_t i;
- struct bt_ctf_clock_class *clock_class = NULL;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_VALID_INDEX(index, trace->streams->len);
+ return g_ptr_array_index(trace->streams, index);
+}
- if (!trace || !name) {
- goto end;
- }
+struct bt_stream *bt_trace_borrow_stream_by_id(
+ struct bt_trace *trace, uint64_t id)
+{
+ struct bt_stream *stream = NULL;
+ uint64_t i;
- for (i = 0; i < trace->clocks->len; i++) {
- struct bt_ctf_clock_class *cur_clk =
- g_ptr_array_index(trace->clocks, i);
- const char *cur_clk_name = bt_ctf_clock_class_get_name(cur_clk);
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- if (!cur_clk_name) {
- goto end;
- }
+ for (i = 0; i < trace->streams->len; i++) {
+ struct bt_stream *stream_candidate =
+ g_ptr_array_index(trace->streams, i);
- if (!strcmp(cur_clk_name, name)) {
- clock_class = cur_clk;
- bt_get(clock_class);
+ if (stream_candidate->id == id) {
+ stream = stream_candidate;
goto end;
}
}
end:
- return clock_class;
+ return stream;
}
-BT_HIDDEN
-bool bt_ctf_trace_has_clock_class(struct bt_ctf_trace *trace,
- struct bt_ctf_clock_class *clock_class)
+uint64_t bt_trace_get_stream_class_count(struct bt_trace *trace)
{
- struct search_query query = { .value = clock_class, .found = 0 };
-
- assert(trace);
- assert(clock_class);
-
- g_ptr_array_foreach(trace->clocks, value_exists, &query);
- return query.found;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return (uint64_t) trace->stream_classes->len;
}
-BT_HIDDEN
-const char *get_byte_order_string(enum bt_ctf_byte_order byte_order)
+struct bt_stream_class *bt_trace_borrow_stream_class_by_index(
+ struct bt_trace *trace, uint64_t index)
{
- const char *string;
-
- switch (byte_order) {
- case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
- string = "le";
- break;
- case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
- string = "be";
- break;
- case BT_CTF_BYTE_ORDER_NATIVE:
- string = "native";
- break;
- default:
- assert(false);
- }
-
- return string;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_VALID_INDEX(index, trace->stream_classes->len);
+ return g_ptr_array_index(trace->stream_classes, index);
}
-static
-int append_trace_metadata(struct bt_ctf_trace *trace,
- struct metadata_context *context)
+struct bt_stream_class *bt_trace_borrow_stream_class_by_id(
+ struct bt_trace *trace, uint64_t id)
{
- unsigned char *uuid = trace->uuid;
- int ret;
-
- if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
- ret = -1;
- goto end;
- }
+ struct bt_stream_class *stream_class = NULL;
+ uint64_t i;
- g_string_append(context->string, "trace {\n");
- g_string_append(context->string, "\tmajor = 1;\n");
- g_string_append(context->string, "\tminor = 8;\n");
- assert(trace->native_byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN ||
- trace->native_byte_order == BT_CTF_BYTE_ORDER_BIG_ENDIAN ||
- trace->native_byte_order == BT_CTF_BYTE_ORDER_NETWORK);
-
- if (trace->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]);
- }
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- g_string_append_printf(context->string, "\tbyte_order = %s;\n",
- get_byte_order_string(trace->native_byte_order));
+ for (i = 0; i < trace->stream_classes->len; i++) {
+ struct bt_stream_class *stream_class_candidate =
+ g_ptr_array_index(trace->stream_classes, i);
- g_string_append(context->string, "\tpacket.header := ");
- context->current_indentation_level++;
- g_string_assign(context->field_name, "");
- ret = bt_ctf_field_type_serialize(trace->packet_header_type,
- context);
- if (ret) {
- goto end;
+ if (stream_class_candidate->id == id) {
+ stream_class = stream_class_candidate;
+ goto end;
+ }
}
- context->current_indentation_level--;
- g_string_append(context->string, ";\n};\n\n");
end:
- return ret;
+ return stream_class;
}
-static
-void append_env_metadata(struct bt_ctf_trace *trace,
- struct metadata_context *context)
+struct bt_field_type *bt_trace_borrow_packet_header_field_type(
+ struct bt_trace *trace)
{
- int64_t i;
- int64_t env_size;
-
- env_size = bt_ctf_attributes_get_count(trace->environment);
-
- if (env_size <= 0) {
- return;
- }
-
- g_string_append(context->string, "env {\n");
-
- for (i = 0; i < env_size; i++) {
- struct bt_value *env_field_value_obj = NULL;
- const char *entry_name;
-
- entry_name = bt_ctf_attributes_get_field_name(
- trace->environment, i);
- env_field_value_obj = bt_ctf_attributes_get_field_value(
- trace->environment, i);
-
- if (!entry_name || !env_field_value_obj) {
- goto loop_next;
- }
-
- switch (bt_value_get_type(env_field_value_obj)) {
- case BT_VALUE_TYPE_INTEGER:
- {
- int ret;
- int64_t int_value;
-
- ret = bt_value_integer_get(env_field_value_obj,
- &int_value);
-
- if (ret) {
- goto loop_next;
- }
-
- g_string_append_printf(context->string,
- "\t%s = %" PRId64 ";\n", entry_name,
- int_value);
- break;
- }
- case BT_VALUE_TYPE_STRING:
- {
- int ret;
- const char *str_value;
- char *escaped_str = NULL;
-
- ret = bt_value_string_get(env_field_value_obj,
- &str_value);
-
- if (ret) {
- goto loop_next;
- }
-
- escaped_str = g_strescape(str_value, NULL);
-
- if (!escaped_str) {
- goto loop_next;
- }
-
- g_string_append_printf(context->string,
- "\t%s = \"%s\";\n", entry_name, escaped_str);
- free(escaped_str);
- break;
- }
-
- default:
- goto loop_next;
- }
-
-loop_next:
- BT_PUT(env_field_value_obj);
- }
-
- g_string_append(context->string, "};\n\n");
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return trace->packet_header_ft;
}
-char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace)
+int bt_trace_set_packet_header_field_type(struct bt_trace *trace,
+ struct bt_field_type *field_type)
{
- char *metadata = NULL;
- struct metadata_context *context = NULL;
- int err = 0;
- size_t i;
-
- if (!trace) {
- goto end;
- }
-
- context = g_new0(struct metadata_context, 1);
- if (!context) {
+ int ret;
+ struct bt_resolve_field_path_context resolve_ctx = {
+ .packet_header = field_type,
+ .packet_context = NULL,
+ .event_header = NULL,
+ .event_common_context = NULL,
+ .event_specific_context = NULL,
+ .event_payload = NULL,
+ };
+
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(field_type, "Field type");
+ BT_ASSERT_PRE_TRACE_HOT(trace);
+ BT_ASSERT_PRE(bt_field_type_get_type_id(field_type) ==
+ BT_FIELD_TYPE_ID_STRUCTURE,
+ "Packet header field type is not a structure field type: %!+F",
+ field_type);
+ ret = bt_resolve_field_paths(field_type, &resolve_ctx);
+ if (ret) {
goto end;
}
- context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE);
- context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE);
- g_string_append(context->string, "/* CTF 1.8 */\n\n");
- if (append_trace_metadata(trace, context)) {
- goto error;
- }
- append_env_metadata(trace, context);
- g_ptr_array_foreach(trace->clocks,
- (GFunc)bt_ctf_clock_class_serialize, context);
-
- for (i = 0; i < trace->stream_classes->len; i++) {
- err = bt_ctf_stream_class_serialize(
- trace->stream_classes->pdata[i], context);
- if (err) {
- goto error;
- }
- }
+ bt_field_type_make_part_of_trace(field_type);
+ bt_put(trace->packet_header_ft);
+ trace->packet_header_ft = bt_get(field_type);
+ bt_field_type_freeze(field_type);
+ BT_LIB_LOGV("Set trace's packet header field type: %!+t", trace);
- metadata = context->string->str;
-error:
- g_string_free(context->string, err ? TRUE : FALSE);
- g_string_free(context->field_name, TRUE);
- g_free(context);
end:
- return metadata;
+ return ret;
}
-enum bt_ctf_byte_order bt_ctf_trace_get_native_byte_order(
- struct bt_ctf_trace *trace)
+bt_bool bt_trace_is_static(struct bt_trace *trace)
{
- enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
-
- if (!trace) {
- goto end;
- }
-
- ret = trace->native_byte_order;
-
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return (bt_bool) trace->is_static;
}
-int bt_ctf_trace_set_native_byte_order(struct bt_ctf_trace *trace,
- enum bt_ctf_byte_order byte_order)
+int bt_trace_make_static(struct bt_trace *trace)
{
- int ret = 0;
+ uint64_t i;
- if (!trace || trace->frozen) {
- ret = -1;
- goto end;
- }
-
- if (byte_order != BT_CTF_BYTE_ORDER_LITTLE_ENDIAN &&
- byte_order != BT_CTF_BYTE_ORDER_BIG_ENDIAN &&
- byte_order != BT_CTF_BYTE_ORDER_NETWORK) {
- ret = -1;
- goto end;
- }
-
- trace->native_byte_order = byte_order;
-
-end:
- return ret;
-}
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ trace->is_static = true;
+ bt_trace_freeze(trace);
+ BT_LIB_LOGV("Trace is now static: %!+t", trace);
-struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type(
- struct bt_ctf_trace *trace)
-{
- struct bt_ctf_field_type *field_type = NULL;
+ /* Call all the "trace is static" listeners */
+ for (i = 0; i < trace->is_static_listeners->len; i++) {
+ struct bt_trace_is_static_listener_elem elem =
+ g_array_index(trace->is_static_listeners,
+ struct bt_trace_is_static_listener_elem, i);
- if (!trace) {
- goto end;
+ if (elem.func) {
+ elem.func(trace, elem.data);
+ }
}
- bt_get(trace->packet_header_type);
- field_type = trace->packet_header_type;
-end:
- return field_type;
+ return 0;
}
-int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace,
- struct bt_ctf_field_type *packet_header_type)
-{
- int ret = 0;
-
- if (!trace || trace->frozen) {
- ret = -1;
- goto end;
+int bt_trace_add_is_static_listener(struct bt_trace *trace,
+ bt_trace_is_static_listener listener,
+ bt_trace_listener_removed listener_removed, void *data,
+ uint64_t *listener_id)
+{
+ uint64_t i;
+ struct bt_trace_is_static_listener_elem new_elem = {
+ .func = listener,
+ .removed = listener_removed,
+ .data = data,
+ };
+
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_NON_NULL(listener, "Listener");
+ BT_ASSERT_PRE(!trace->is_static,
+ "Trace is already static: %!+t", trace);
+ BT_ASSERT_PRE(trace->in_remove_listener,
+ "Cannot call this function while executing a "
+ "remove listener: %!+t", trace);
+
+ /* Find the next available spot */
+ for (i = 0; i < trace->is_static_listeners->len; i++) {
+ struct bt_trace_is_static_listener_elem elem =
+ g_array_index(trace->is_static_listeners,
+ struct bt_trace_is_static_listener_elem, i);
+
+ if (!elem.func) {
+ break;
+ }
}
- /* packet_header_type must be a structure. */
- if (packet_header_type &&
- bt_ctf_field_type_get_type_id(packet_header_type) !=
- BT_CTF_FIELD_TYPE_ID_STRUCT) {
- ret = -1;
- goto end;
+ if (i == trace->is_static_listeners->len) {
+ g_array_append_val(trace->is_static_listeners, new_elem);
+ } else {
+ g_array_insert_val(trace->is_static_listeners, i, new_elem);
}
- bt_put(trace->packet_header_type);
- trace->packet_header_type = bt_get(packet_header_type);
-end:
- return ret;
-}
+ if (listener_id) {
+ *listener_id = i;
+ }
-static
-int64_t get_stream_class_count(void *element)
-{
- return bt_ctf_trace_get_stream_class_count(
- (struct bt_ctf_trace *) element);
+ BT_LIB_LOGV("Added \"trace is static\" listener: "
+ "%![trace-]+t, listener-id=%" PRIu64, trace, i);
+ return 0;
}
+BT_ASSERT_PRE_FUNC
static
-void *get_stream_class(void *element, int i)
-{
- return bt_ctf_trace_get_stream_class_by_index(
- (struct bt_ctf_trace *) element, i);
+bool has_listener_id(struct bt_trace *trace, uint64_t listener_id)
+{
+ BT_ASSERT(listener_id < trace->is_static_listeners->len);
+ return (&g_array_index(trace->is_static_listeners,
+ struct bt_trace_is_static_listener_elem,
+ listener_id))->func != NULL;
+}
+
+int bt_trace_remove_is_static_listener(
+ struct bt_trace *trace, uint64_t listener_id)
+{
+ struct bt_trace_is_static_listener_elem *elem;
+
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE(!trace->is_static,
+ "Trace is already static: %!+t", trace);
+ BT_ASSERT_PRE(trace->in_remove_listener,
+ "Cannot call this function while executing a "
+ "remove listener: %!+t", trace);
+ BT_ASSERT_PRE(has_listener_id(trace, listener_id),
+ "Trace has no such \"trace is static\" listener ID: "
+ "%![trace-]+t, %" PRIu64, trace, listener_id);
+ elem = &g_array_index(trace->is_static_listeners,
+ struct bt_trace_is_static_listener_elem,
+ listener_id);
+ BT_ASSERT(elem->func);
+
+ if (elem->removed) {
+ /* Call remove listener */
+ BT_LIB_LOGV("Calling remove listener: "
+ "%![trace-]+t, listener-id=%" PRIu64,
+ trace, listener_id);
+ trace->in_remove_listener = true;
+ elem->removed(trace, elem->data);
+ trace->in_remove_listener = false;
+ }
+
+ elem->func = NULL;
+ elem->removed = NULL;
+ elem->data = NULL;
+ BT_LIB_LOGV("Removed \"trace is static\" listener: "
+ "%![trace-]+t, listener-id=%" PRIu64,
+ trace, listener_id);
+ return 0;
}
-static
-int visit_stream_class(void *object, bt_ctf_visitor visitor,void *data)
+BT_HIDDEN
+void _bt_trace_freeze(struct bt_trace *trace)
{
- return bt_ctf_stream_class_visit(object, visitor, data);
+ /* The packet header field type is already frozen */
+ BT_ASSERT(trace);
+ BT_LIB_LOGD("Freezing trace: %!+t", trace);
+ trace->frozen = true;
}
-int bt_ctf_trace_visit(struct bt_ctf_trace *trace,
- bt_ctf_visitor visitor, void *data)
+bt_bool bt_trace_assigns_automatic_stream_class_id(struct bt_trace *trace)
{
- int ret;
- struct bt_ctf_object obj =
- { .object = trace, .type = BT_CTF_OBJECT_TYPE_TRACE };
-
- if (!trace || !visitor) {
- ret = -1;
- goto end;
- }
-
- ret = visitor_helper(&obj, get_stream_class_count,
- get_stream_class, visit_stream_class, visitor, data);
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ return (bt_bool) trace->assigns_automatic_stream_class_id;
}
-static
-int invoke_listener(struct bt_ctf_object *object, void *data)
+int bt_trace_set_assigns_automatic_stream_class_id(
+ struct bt_trace *trace, bt_bool value)
{
- struct listener_wrapper *listener_wrapper = data;
-
- listener_wrapper->listener(object, listener_wrapper->data);
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+ BT_ASSERT_PRE_TRACE_HOT(trace);
+ trace->assigns_automatic_stream_class_id = (bool) value;
+ BT_LIB_LOGV("Set trace's automatic stream class ID "
+ "assignment property: %!+t", trace);
return 0;
}
-int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace,
- bt_ctf_listener_cb listener, void *listener_data)
-{
- int ret = 0;
- struct listener_wrapper *listener_wrapper =
- g_new0(struct listener_wrapper, 1);
-
- if (!trace || !listener || !listener_wrapper) {
- ret = -1;
- goto error;
- }
-
- listener_wrapper->listener = listener;
- listener_wrapper->data = listener_data;
-
- /* Visit the current schema. */
- ret = bt_ctf_trace_visit(trace, invoke_listener, listener_wrapper);
- if (ret) {
- goto error;
- }
-
- /*
- * Add listener to the array of callbacks which will be invoked on
- * schema changes.
- */
- g_ptr_array_add(trace->listeners, listener_wrapper);
- return ret;
-error:
- g_free(listener_wrapper);
- return ret;
-}
-
BT_HIDDEN
-int bt_ctf_trace_object_modification(struct bt_ctf_object *object,
- void *trace_ptr)
+void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream)
{
- size_t i;
- struct bt_ctf_trace *trace = trace_ptr;
+ guint count = 0;
- assert(trace);
- assert(object);
+ bt_object_set_parent(&stream->base, &trace->base);
+ g_ptr_array_add(trace->streams, stream);
+ bt_trace_freeze(trace);
- if (trace->listeners->len == 0) {
- goto end;
+ if (bt_g_hash_table_contains(trace->stream_classes_stream_count,
+ stream->class)) {
+ count = GPOINTER_TO_UINT(g_hash_table_lookup(
+ trace->stream_classes_stream_count, stream->class));
}
- for (i = 0; i < trace->listeners->len; i++) {
- struct listener_wrapper *listener =
- g_ptr_array_index(trace->listeners, i);
-
- listener->listener(object, listener->data);
- }
-end:
- return 0;
+ g_hash_table_insert(trace->stream_classes_stream_count,
+ stream->class, GUINT_TO_POINTER(count + 1));
}
BT_HIDDEN
-struct bt_ctf_field_type *get_field_type(enum field_type_alias alias)
+uint64_t bt_trace_get_automatic_stream_id(struct bt_trace *trace,
+ struct bt_stream_class *stream_class)
{
- int ret;
- unsigned int alignment, size;
- struct bt_ctf_field_type *field_type = NULL;
+ gpointer orig_key;
+ gpointer value;
+ uint64_t id = 0;
- if (alias >= NR_FIELD_TYPE_ALIAS) {
- goto end;
+ BT_ASSERT(stream_class);
+ BT_ASSERT(trace);
+ if (g_hash_table_lookup_extended(trace->stream_classes_stream_count,
+ stream_class, &orig_key, &value)) {
+ id = (uint64_t) GPOINTER_TO_UINT(value);
}
- alignment = field_type_aliases_alignments[alias];
- size = field_type_aliases_sizes[alias];
- field_type = bt_ctf_field_type_integer_create(size);
- ret = bt_ctf_field_type_set_alignment(field_type, alignment);
- if (ret) {
- BT_PUT(field_type);
- }
-end:
- return field_type;
-}
-
-static
-void bt_ctf_trace_freeze(struct bt_ctf_trace *trace)
-{
- int i;
-
- bt_ctf_field_type_freeze(trace->packet_header_type);
- bt_ctf_attributes_freeze(trace->environment);
-
- for (i = 0; i < trace->clocks->len; i++) {
- struct bt_ctf_clock_class *clock_class =
- g_ptr_array_index(trace->clocks, i);
-
- bt_ctf_clock_class_freeze(clock_class);
- }
-
- trace->frozen = 1;
-}
-
-bool bt_ctf_trace_is_static(struct bt_ctf_trace *trace)
-{
- bool is_static = false;
-
- if (!trace) {
- goto end;
- }
-
- is_static = trace->is_static;
-
-end:
- return is_static;
-}
-
-int bt_ctf_trace_set_is_static(struct bt_ctf_trace *trace)
-{
- int ret = 0;
-
- if (!trace) {
- ret = -1;
- goto end;
- }
-
- trace->is_static = true;
- bt_ctf_trace_freeze(trace);
-
-end:
- return ret;
+ return id;
}
projects / babeltrace.git / blobdiff