*/
#include <babeltrace/ctf-ir/trace-internal.h>
-#include <babeltrace/ctf-ir/clock-internal.h>
+#include <babeltrace/ctf-ir/clock-class-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/ctf-ir/stream-class-internal.h>
+#include <babeltrace/ctf-ir/event-internal.h>
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/event-class-internal.h>
#include <babeltrace/ctf-writer/functor-internal.h>
-#include <babeltrace/ctf-ir/event-types-internal.h>
+#include <babeltrace/ctf-writer/clock-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/graph/notification-schema.h>
#include <babeltrace/compiler.h>
+#include <babeltrace/values.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/endian.h>
#define DEFAULT_IDENTIFIER_SIZE 128
#define DEFAULT_METADATA_STRING_SIZE 4096
+struct listener_wrapper {
+ bt_ctf_listener_cb listener;
+ void *data;
+};
+
static
-void environment_variable_destroy(struct environment_variable *var);
-static
-void bt_ctf_trace_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_trace_destroy(struct bt_object *obj);
static
int init_trace_packet_header(struct bt_ctf_trace *trace);
+static
+void bt_ctf_trace_freeze(struct bt_ctf_trace *trace);
static
const unsigned int field_type_aliases_alignments[] = {
}
bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE);
- bt_ctf_ref_init(&trace->ref_count);
- trace->environment = g_ptr_array_new_with_free_func(
- (GDestroyNotify)environment_variable_destroy);
+ bt_object_init(trace, bt_ctf_trace_destroy);
trace->clocks = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_clock_put);
+ (GDestroyNotify) bt_put);
trace->streams = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_stream_put);
+ (GDestroyNotify) bt_object_release);
trace->stream_classes = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_stream_class_put);
- if (!trace->environment || !trace->clocks ||
- !trace->stream_classes || !trace->streams) {
- goto error_destroy;
+ (GDestroyNotify) bt_object_release);
+ if (!trace->clocks || !trace->stream_classes || !trace->streams) {
+ goto error;
}
/* Generate a trace UUID */
uuid_generate(trace->uuid);
if (init_trace_packet_header(trace)) {
- goto error_destroy;
+ goto error;
+ }
+
+ /* 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_destroy:
- bt_ctf_trace_destroy(&trace->ref_count);
- trace = NULL;
error:
+ BT_PUT(trace);
return trace;
}
-void bt_ctf_trace_destroy(struct bt_ctf_ref *ref)
+const char *bt_ctf_trace_get_name(struct bt_ctf_trace *trace)
{
- struct bt_ctf_trace *trace;
+ const char *name = NULL;
- if (!ref) {
- return;
+ if (!trace || !trace->name) {
+ goto end;
}
- trace = container_of(ref, struct bt_ctf_trace, ref_count);
+ name = trace->name->str;
+end:
+ return name;
+}
+
+int bt_ctf_trace_set_name(struct bt_ctf_trace *trace, const char *name)
+{
+ int ret = 0;
+
+ 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;
+}
+
+void bt_ctf_trace_destroy(struct bt_object *obj)
+{
+ struct bt_ctf_trace *trace;
+
+ trace = container_of(obj, struct bt_ctf_trace, base);
if (trace->environment) {
- g_ptr_array_free(trace->environment, TRUE);
+ bt_ctf_attributes_destroy(trace->environment);
+ }
+
+ if (trace->name) {
+ g_string_free(trace->name, TRUE);
}
if (trace->clocks) {
g_ptr_array_free(trace->stream_classes, TRUE);
}
- bt_ctf_field_type_put(trace->packet_header_type);
+ if (trace->listeners) {
+ g_ptr_array_free(trace->listeners, TRUE);
+ }
+
+ bt_put(trace->packet_header_type);
g_free(trace);
}
-struct bt_ctf_stream *bt_ctf_trace_create_stream(struct bt_ctf_trace *trace,
- struct bt_ctf_stream_class *stream_class)
+int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace,
+ const char *name, struct bt_value *value)
{
- int ret;
- int stream_class_found = 0;
- size_t i;
- struct bt_ctf_stream *stream = NULL;
+ int ret = 0;
- if (!trace || !stream_class) {
- goto error;
+ if (!trace || !name || !value ||
+ bt_ctf_validate_identifier(name) ||
+ !(bt_value_is_integer(value) || bt_value_is_string(value))) {
+ ret = -1;
+ goto end;
}
- stream = bt_ctf_stream_create(stream_class, trace);
- if (!stream) {
- goto error;
+ if (strchr(name, ' ')) {
+ ret = -1;
+ goto end;
}
- for (i = 0; i < trace->stream_classes->len; i++) {
- if (trace->stream_classes->pdata[i] == stream_class) {
- stream_class_found = 1;
+ 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);
}
- if (!stream_class_found) {
- int64_t stream_id = bt_ctf_stream_class_get_id(stream_class);
+ ret = bt_ctf_attributes_set_field_value(trace->environment, name,
+ value);
- if (stream_id < 0) {
- /* Try to assign a new stream id */
- if (bt_ctf_stream_class_set_id(stream->stream_class,
- trace->next_stream_id++)) {
- goto error;
- }
- }
+end:
+ return ret;
+}
- 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 */
- goto error;
- }
+int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace,
+ const char *name, const char *value)
+{
+ int ret = 0;
+ struct bt_value *env_value_string_obj = NULL;
+
+ if (!trace || !name || !value) {
+ ret = -1;
+ goto end;
+ }
+
+ 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_ctf_stream_class_get(stream->stream_class);
- g_ptr_array_add(trace->stream_classes, stream->stream_class);
}
- bt_ctf_stream_get(stream);
- g_ptr_array_add(trace->streams, stream);
+ env_value_string_obj = bt_value_string_create_init(value);
- /*
- * Freeze the trace and its packet header.
- *
- * All field type byte orders set as "native" byte ordering can now be
- * safely set to trace's own endianness, including the stream class'.
- */
- bt_ctf_field_type_set_native_byte_order(trace->packet_header_type,
- trace->byte_order);
- ret = bt_ctf_stream_class_set_byte_order(stream_class,
- trace->byte_order == LITTLE_ENDIAN ?
- BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN);
- if (ret) {
- goto error;
+ if (!env_value_string_obj) {
+ ret = -1;
+ goto end;
}
- bt_ctf_stream_class_freeze(stream_class);
- trace->frozen = 1;
- return stream;
-error:
- bt_ctf_stream_put(stream);
- return NULL;
+ if (trace->frozen) {
+ bt_value_freeze(env_value_string_obj);
+ }
+ 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_add_environment_field(struct bt_ctf_trace *trace,
- const char *name,
- const char *value)
+int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace,
+ const char *name, int64_t value)
{
- struct environment_variable *var = NULL;
- char *escaped_value = NULL;
int ret = 0;
+ struct bt_value *env_value_integer_obj = NULL;
- if (!trace || !name || !value || bt_ctf_validate_identifier(name)) {
+ if (!trace || !name) {
ret = -1;
- goto error;
+ goto end;
}
- if (strchr(name, ' ')) {
- ret = -1;
- 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;
+ }
}
- var = g_new0(struct environment_variable, 1);
- if (!var) {
+ env_value_integer_obj = bt_value_integer_create_init(value);
+ if (!env_value_integer_obj) {
ret = -1;
- goto error;
+ goto end;
}
- escaped_value = g_strescape(value, NULL);
- if (!escaped_value) {
- ret = -1;
- 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);
}
+end:
+ BT_PUT(env_value_integer_obj);
+ return ret;
+}
- var->name = g_string_new(name);
- var->value = g_string_new(escaped_value);
- g_free(escaped_value);
- if (!var->name || !var->value) {
+int bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace)
+{
+ int ret = 0;
+
+ if (!trace) {
ret = -1;
- goto error;
+ goto end;
}
- g_ptr_array_add(trace->environment, var);
+ ret = bt_ctf_attributes_get_count(trace->environment);
+
+end:
return ret;
+}
-error:
- if (var && var->name) {
- g_string_free(var->name, TRUE);
+const char *
+bt_ctf_trace_get_environment_field_name(struct bt_ctf_trace *trace,
+ int index)
+{
+ const char *ret = NULL;
+
+ if (!trace) {
+ goto end;
}
- if (var && var->value) {
- g_string_free(var->value, TRUE);
+ ret = bt_ctf_attributes_get_field_name(trace->environment, index);
+
+end:
+ return ret;
+}
+
+struct bt_value *bt_ctf_trace_get_environment_field_value(
+ struct bt_ctf_trace *trace, int index)
+{
+ struct bt_value *ret = NULL;
+
+ if (!trace) {
+ goto end;
}
- g_free(var);
+ ret = bt_ctf_attributes_get_field_value(trace->environment, index);
+
+end:
return ret;
}
-int bt_ctf_trace_add_clock(struct bt_ctf_trace *trace,
- struct bt_ctf_clock *clock)
+struct bt_value *bt_ctf_trace_get_environment_field_value_by_name(
+ struct bt_ctf_trace *trace, const char *name)
+{
+ 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;
+}
+
+int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace,
+ struct bt_ctf_clock_class *clock_class)
{
int ret = 0;
- struct search_query query = { .value = clock, .found = 0 };
+ struct search_query query = { .value = clock_class, .found = 0 };
- if (!trace || !clock) {
+ if (!trace || !bt_ctf_clock_class_is_valid(clock_class)) {
ret = -1;
goto end;
}
- /* Check for duplicate clocks */
+ /* Check for duplicate clock classes */
g_ptr_array_foreach(trace->clocks, value_exists, &query);
if (query.found) {
ret = -1;
goto end;
}
- bt_ctf_clock_get(clock);
- g_ptr_array_add(trace->clocks, clock);
+ 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;
}
-int bt_ctf_trace_get_clock_count(struct bt_ctf_trace *trace)
+int bt_ctf_trace_get_clock_class_count(struct bt_ctf_trace *trace)
{
int ret = -1;
return ret;
}
-struct bt_ctf_clock *bt_ctf_trace_get_clock(struct bt_ctf_trace *trace,
- int index)
+struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class(
+ struct bt_ctf_trace *trace, int index)
{
- struct bt_ctf_clock *clock = NULL;
+ struct bt_ctf_clock_class *clock_class = NULL;
if (!trace || index < 0 || index >= trace->clocks->len) {
goto end;
}
- clock = g_ptr_array_index(trace->clocks, index);
- bt_ctf_clock_get(clock);
+ clock_class = g_ptr_array_index(trace->clocks, index);
+ bt_get(clock_class);
+end:
+ return clock_class;
+}
+
+int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace,
+ struct bt_ctf_stream_class *stream_class)
+{
+ int ret, 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;
+ int event_class_count;
+ struct bt_ctf_trace *current_parent_trace = NULL;
+
+ if (!trace || !stream_class) {
+ 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. */
+ ret = -1;
+ goto end;
+ }
+
+ event_class_count =
+ bt_ctf_stream_class_get_event_class_count(stream_class);
+ assert(event_class_count >= 0);
+
+ /* 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(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++;
+
+ /* 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(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]);
+ }
+
+ /*
+ * All field type byte orders set as "native" byte ordering can now be
+ * safely set to trace's own endianness, including the stream class'.
+ */
+ bt_ctf_field_type_set_native_byte_order(trace->packet_header_type,
+ trace->byte_order);
+ bt_ctf_stream_class_set_byte_order(stream_class, trace->byte_order);
+
+ /*
+ * 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);
+
+ return ret;
+}
+
+int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace)
+{
+ int ret;
+
+ if (!trace) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = trace->stream_classes->len;
+end:
+ return ret;
+}
+
+struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class(
+ struct bt_ctf_trace *trace, int index)
+{
+ struct bt_ctf_stream_class *stream_class = NULL;
+
+ if (!trace || index < 0 || index >= trace->stream_classes->len) {
+ goto end;
+ }
+
+ stream_class = g_ptr_array_index(trace->stream_classes, index);
+ bt_get(stream_class);
end:
- return clock;
+ return stream_class;
+}
+
+struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id(
+ struct bt_ctf_trace *trace, uint32_t id)
+{
+ int i;
+ struct bt_ctf_stream_class *stream_class = NULL;
+
+ if (!trace) {
+ 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;
+}
+
+struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name(
+ struct bt_ctf_trace *trace, const char *name)
+{
+ size_t i;
+ struct bt_ctf_clock_class *clock_class = NULL;
+
+ if (!trace || !name) {
+ goto end;
+ }
+
+ 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);
+
+ if (!cur_clk_name) {
+ goto end;
+ }
+
+ if (!strcmp(cur_clk_name, name)) {
+ clock_class = cur_clk;
+ bt_get(clock_class);
+ goto end;
+ }
+ }
+
+end:
+ return clock_class;
}
BT_HIDDEN
return ret;
}
-static
-void append_env_field_metadata(struct environment_variable *var,
- struct metadata_context *context)
-{
- g_string_append_printf(context->string, "\t%s = \"%s\";\n",
- var->name->str, var->value->str);
-}
-
static
void append_env_metadata(struct bt_ctf_trace *trace,
struct metadata_context *context)
{
- if (trace->environment->len == 0) {
+ int i;
+ int env_size;
+
+ env_size = bt_ctf_attributes_get_count(trace->environment);
+
+ if (env_size <= 0) {
return;
}
g_string_append(context->string, "env {\n");
- g_ptr_array_foreach(trace->environment,
- (GFunc)append_env_field_metadata, context);
+
+ 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");
}
}
append_env_metadata(trace, context);
g_ptr_array_foreach(trace->clocks,
- (GFunc)bt_ctf_clock_serialize, context);
+ (GFunc)bt_ctf_clock_class_serialize, context);
for (i = 0; i < trace->stream_classes->len; i++) {
err = bt_ctf_stream_class_serialize(
return metadata;
}
+enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace)
+{
+ enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
+
+ if (!trace) {
+ goto end;
+ }
+
+ switch (trace->byte_order) {
+ case BIG_ENDIAN:
+ ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN;
+ break;
+ case LITTLE_ENDIAN:
+ ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN;
+ break;
+ default:
+ break;
+ }
+end:
+ return ret;
+}
+
int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace,
enum bt_ctf_byte_order byte_order)
{
}
trace->byte_order = internal_byte_order;
- if (trace->packet_header_type) {
- init_trace_packet_header(trace);
- }
end:
return ret;
}
goto end;
}
- bt_ctf_field_type_get(trace->packet_header_type);
+ bt_get(trace->packet_header_type);
field_type = trace->packet_header_type;
end:
return field_type;
{
int ret = 0;
- if (!trace || !packet_header_type || trace->frozen) {
+ if (!trace || trace->frozen) {
ret = -1;
goto end;
}
- /* packet_header_type must be a structure */
- if (bt_ctf_field_type_get_type_id(packet_header_type) !=
- CTF_TYPE_STRUCT) {
+ /* packet_header_type must be a structure. */
+ if (packet_header_type &&
+ bt_ctf_field_type_get_type_id(packet_header_type) !=
+ BT_CTF_TYPE_ID_STRUCT) {
ret = -1;
goto end;
}
- bt_ctf_field_type_get(packet_header_type);
- bt_ctf_field_type_put(trace->packet_header_type);
- trace->packet_header_type = packet_header_type;
+ bt_put(trace->packet_header_type);
+ trace->packet_header_type = bt_get(packet_header_type);
end:
return ret;
}
-void bt_ctf_trace_get(struct bt_ctf_trace *trace)
+static
+int get_stream_class_count(void *element)
{
- if (!trace) {
- return;
+ return bt_ctf_trace_get_stream_class_count(
+ (struct bt_ctf_trace *) element);
+}
+
+static
+void *get_stream_class(void *element, int i)
+{
+ return bt_ctf_trace_get_stream_class(
+ (struct bt_ctf_trace *) element, i);
+}
+
+static
+int visit_stream_class(void *object, bt_ctf_visitor visitor,void *data)
+{
+ return bt_ctf_stream_class_visit(object, visitor, data);
+}
+
+int bt_ctf_trace_visit(struct bt_ctf_trace *trace,
+ bt_ctf_visitor visitor, void *data)
+{
+ int ret;
+ struct bt_ctf_object obj =
+ { .object = trace, .type = BT_CTF_OBJECT_TYPE_TRACE };
+
+ if (!trace || !visitor) {
+ ret = -1;
+ goto end;
}
- bt_ctf_ref_get(&trace->ref_count);
+ ret = visitor_helper(&obj, get_stream_class_count,
+ get_stream_class, visit_stream_class, visitor, data);
+end:
+ return ret;
}
-void bt_ctf_trace_put(struct bt_ctf_trace *trace)
+static
+int invoke_listener(struct bt_ctf_object *object, void *data)
{
- if (!trace) {
- return;
+ struct listener_wrapper *listener_wrapper = data;
+
+ listener_wrapper->listener(object, listener_wrapper->data);
+ 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)
+{
+ size_t i;
+ struct bt_ctf_trace *trace = trace_ptr;
+
+ assert(trace);
+ assert(object);
+
+ if (trace->listeners->len == 0) {
+ goto end;
}
- bt_ctf_ref_put(&trace->ref_count, bt_ctf_trace_destroy);
+ 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;
}
BT_HIDDEN
struct bt_ctf_field_type *get_field_type(enum field_type_alias alias)
{
+ int ret;
unsigned int alignment, size;
- struct bt_ctf_field_type *field_type;
+ struct bt_ctf_field_type *field_type = NULL;
if (alias >= NR_FIELD_TYPE_ALIAS) {
- return NULL;
+ goto end;
}
alignment = field_type_aliases_alignments[alias];
size = field_type_aliases_sizes[alias];
field_type = bt_ctf_field_type_integer_create(size);
- bt_ctf_field_type_set_alignment(field_type, alignment);
+ 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;
+}
+
static
int init_trace_packet_header(struct bt_ctf_trace *trace)
{
goto end;
}
- bt_ctf_field_type_put(trace->packet_header_type);
- trace->packet_header_type = trace_packet_header_type;
-end:
- bt_ctf_field_type_put(uuid_array_type);
- bt_ctf_field_type_put(_uint32_t);
- bt_ctf_field_type_put(_uint8_t);
- bt_ctf_field_put(magic);
- bt_ctf_field_put(uuid_array);
+ ret = bt_ctf_trace_set_packet_header_type(trace,
+ trace_packet_header_type);
if (ret) {
- bt_ctf_field_type_put(trace_packet_header_type);
+ goto end;
}
-
+end:
+ bt_put(uuid_array_type);
+ bt_put(_uint32_t);
+ bt_put(_uint8_t);
+ bt_put(magic);
+ bt_put(uuid_array);
+ bt_put(trace_packet_header_type);
return ret;
}
-
-static
-void environment_variable_destroy(struct environment_variable *var)
-{
- g_string_free(var->name, TRUE);
- g_string_free(var->value, TRUE);
- g_free(var);
-}
projects / babeltrace.git / blobdiff