#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/plugin/notification/schema.h>
#include <babeltrace/compiler.h>
#include <babeltrace/values.h>
#include <babeltrace/ref.h>
#define DEFAULT_IDENTIFIER_SIZE 128
#define DEFAULT_METADATA_STRING_SIZE 4096
+struct notification_handler {
+ bt_ctf_notification_cb func;
+ void *data;
+};
+
static
void bt_ctf_trace_destroy(struct bt_object *obj);
static
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 ret;
- int stream_class_found = 0;
- size_t i;
- struct bt_ctf_stream *stream = NULL;
-
- if (!trace || !stream_class) {
- goto error;
- }
-
- for (i = 0; i < trace->stream_classes->len; i++) {
- if (trace->stream_classes->pdata[i] == stream_class) {
- stream_class_found = 1;
- }
- }
-
- if (!stream_class_found) {
- ret = bt_ctf_trace_add_stream_class(trace, stream_class);
- if (ret) {
- goto error;
- }
- }
-
- stream = bt_ctf_stream_create(stream_class, trace);
- if (!stream) {
- goto error;
- }
-
- g_ptr_array_add(trace->streams, stream);
- return stream;
-error:
- BT_PUT(stream);
- return stream;
-}
-
int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace,
const char *name, struct bt_value *value)
{
bt_get(clock);
g_ptr_array_add(trace->clocks, clock);
+ if (!trace->is_created_by_writer) {
+ /*
+ * Non-writer mode trace: disable clock value functions
+ * because clock values are per-stream in that
+ * situation.
+ */
+ clock->has_value = 0;
+ }
+
if (trace->frozen) {
bt_ctf_clock_freeze(clock);
}
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_clock *clock_to_add_to_trace = NULL;
if (!trace || !stream_class) {
ret = -1;
}
}
+ /*
+ * If the stream class has a clock, register this clock to this
+ * trace if not already done.
+ */
+ if (stream_class->clock) {
+ const char *clock_name =
+ bt_ctf_clock_get_name(stream_class->clock);
+ struct bt_ctf_clock *trace_clock;
+
+ assert(clock_name);
+ trace_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
+ bt_put(trace_clock);
+ if (trace_clock) {
+ if (trace_clock != stream_class->clock) {
+ /*
+ * Error: two different clocks in the
+ * trace would share the same name.
+ */
+ ret = -1;
+ goto end;
+ }
+ } else {
+ clock_to_add_to_trace = bt_get(stream_class->clock);
+ }
+ }
+
/*
* We're about to freeze both the trace and the stream class.
* Also, each event class contained in this stream class are
trace->byte_order);
bt_ctf_stream_class_set_byte_order(stream_class, trace->byte_order);
+ /* Add stream class's clock if it exists */
+ if (clock_to_add_to_trace) {
+ int add_clock_ret =
+ bt_ctf_trace_add_clock(trace, clock_to_add_to_trace);
+ assert(add_clock_ret == 0);
+ }
+
/*
* Freeze the trace and the stream class.
*/
g_free(ec_validation_outputs);
bt_ctf_validation_output_put_types(&trace_sc_validation_output);
+ BT_PUT(clock_to_add_to_trace);
assert(!packet_header_type);
assert(!packet_context_type);
assert(!event_header_type);
return ret;
}
+static
+int get_stream_class_count(void *element)
+{
+ 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 *element, bt_ctf_ir_visitor visitor,void *data)
+{
+ return bt_ctf_stream_class_visit(element, visitor, data);
+}
+
+int bt_ctf_trace_visit(struct bt_ctf_trace *trace,
+ bt_ctf_ir_visitor visitor, void *data)
+{
+ int ret;
+ struct bt_ctf_ir_element element =
+ { .element = trace, .type = BT_CTF_IR_TYPE_TRACE };
+
+ if (!trace || !visitor) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = visitor_helper(&element, get_stream_class_count,
+ get_stream_class, visit_stream_class, visitor, data);
+end:
+ return ret;
+}
+
+static
+int ir_visitor(struct bt_ctf_ir_element *element, void *data)
+{
+ int ret = 0;
+
+ switch (element->type) {
+ case BT_CTF_IR_TYPE_TRACE:
+ {
+ break;
+ }
+ case BT_CTF_IR_TYPE_STREAM_CLASS:
+ {
+ break;
+ }
+ case BT_CTF_IR_TYPE_EVENT_CLASS:
+ {
+ break;
+ }
+ default:
+ assert(0);
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+int bt_ctf_trace_add_notification_handler_cb(struct bt_ctf_trace *trace,
+ bt_ctf_notification_cb handler, void *handler_data)
+{
+ int ret = 0;
+ struct notification_handler *handler_wrapper =
+ g_new0(struct notification_handler, 1);
+
+ if (!trace || !handler || !handler_wrapper) {
+ ret = -1;
+ goto error;
+ }
+
+ handler_wrapper->func = handler;
+ handler_wrapper->data = handler_data;
+
+ /* Emit notifications describing the current schema. */
+ ret = bt_ctf_trace_visit(trace, ir_visitor, handler_wrapper);
+ if (ret) {
+ goto error;
+ }
+
+ g_ptr_array_add(trace->notification_handlers, handler_wrapper);
+ return ret;
+error:
+ g_free(handler_wrapper);
+ return ret;
+}
+
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 = NULL;
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;
}
projects / babeltrace.git / blobdiff