struct bt_ctf_event_decl *event;
event = g_ptr_array_index(td->event_declarations, i);
+ if (event->context_decl)
+ g_ptr_array_free(event->context_decl, TRUE);
+ if (event->fields_decl)
+ g_ptr_array_free(event->fields_decl, TRUE);
+ if (event->packet_header_decl)
+ g_ptr_array_free(event->packet_header_decl, TRUE);
+ if (event->event_context_decl)
+ g_ptr_array_free(event->event_context_decl, TRUE);
+ if (event->event_header_decl)
+ g_ptr_array_free(event->event_header_decl, TRUE);
+ if (event->packet_context_decl)
+ g_ptr_array_free(event->packet_context_decl, TRUE);
g_free(event);
}
g_ptr_array_free(td->event_declarations, TRUE);
}
int bt_ctf_get_event_decl_list(int handle_id, struct bt_context *ctx,
- struct bt_ctf_event_decl const * const **list,
+ struct bt_ctf_event_decl * const **list,
unsigned int *count)
{
struct bt_trace_handle *handle;
td = handle->td;
tin = container_of(td, struct ctf_trace, parent);
- *list = (struct bt_ctf_event_decl const* const*) tin->event_declarations->pdata;
+ *list = (struct bt_ctf_event_decl * const*) tin->event_declarations->pdata;
*count = tin->event_declarations->len;
return 0;
return NULL;
return g_quark_to_string(event->parent.name);
}
+
+int bt_ctf_get_decl_fields(struct bt_ctf_event_decl *event_decl,
+ enum bt_ctf_scope scope,
+ struct bt_ctf_field_decl const * const **list,
+ unsigned int *count)
+{
+ int i;
+ GArray *fields = NULL;
+ gpointer *ret_list = NULL;
+ GPtrArray *fields_array = NULL;
+ int ret = 0;
+ *count = 0;
+
+ switch (scope) {
+ case BT_EVENT_CONTEXT:
+ if (event_decl->context_decl) {
+ ret_list = event_decl->context_decl->pdata;
+ *count = event_decl->context_decl->len;
+ goto end;
+ }
+ event_decl->context_decl = g_ptr_array_new();
+ if (!event_decl->parent.context_decl) {
+ ret = -1;
+ goto end;
+ }
+ fields = event_decl->parent.context_decl->fields;
+ fields_array = event_decl->context_decl;
+ break;
+ case BT_EVENT_FIELDS:
+ if (event_decl->fields_decl) {
+ ret_list = event_decl->fields_decl->pdata;
+ *count = event_decl->fields_decl->len;
+ goto end;
+ }
+ event_decl->fields_decl = g_ptr_array_new();
+ if (!event_decl->parent.fields_decl) {
+ ret = -1;
+ goto end;
+ }
+ fields = event_decl->parent.fields_decl->fields;
+ fields_array = event_decl->fields_decl;
+ break;
+ case BT_STREAM_PACKET_CONTEXT:
+ if (event_decl->packet_context_decl) {
+ ret_list = event_decl->packet_context_decl->pdata;
+ *count = event_decl->packet_context_decl->len;
+ goto end;
+ }
+ event_decl->packet_context_decl = g_ptr_array_new();
+ if (!event_decl->parent.stream->packet_context_decl) {
+ ret = -1;
+ goto end;
+ }
+ fields = event_decl->parent.stream->packet_context_decl->fields;
+ fields_array = event_decl->packet_context_decl;
+ break;
+ case BT_STREAM_EVENT_CONTEXT:
+ if (event_decl->event_context_decl) {
+ ret_list = event_decl->event_context_decl->pdata;
+ *count = event_decl->event_context_decl->len;
+ goto end;
+ }
+ event_decl->event_context_decl = g_ptr_array_new();
+ if (!event_decl->parent.stream->event_context_decl) {
+ ret = -1;
+ goto end;
+ }
+ fields = event_decl->parent.stream->event_context_decl->fields;
+ fields_array = event_decl->event_context_decl;
+ break;
+ case BT_STREAM_EVENT_HEADER:
+ if (event_decl->event_header_decl) {
+ ret_list = event_decl->event_header_decl->pdata;
+ *count = event_decl->event_header_decl->len;
+ goto end;
+ }
+ event_decl->event_header_decl = g_ptr_array_new();
+ if (!event_decl->parent.stream->event_header_decl) {
+ ret = -1;
+ goto end;
+ }
+ fields = event_decl->parent.stream->event_header_decl->fields;
+ fields_array = event_decl->event_header_decl;
+ break;
+ case BT_TRACE_PACKET_HEADER:
+ if (event_decl->packet_header_decl) {
+ ret_list = event_decl->packet_header_decl->pdata;
+ *count = event_decl->packet_header_decl->len;
+ goto end;
+ }
+ event_decl->packet_header_decl = g_ptr_array_new();
+ if (!event_decl->parent.stream->trace->packet_header_decl) {
+ ret = -1;
+ goto end;
+ }
+ fields = event_decl->parent.stream->trace->packet_header_decl->fields;
+ fields_array = event_decl->packet_header_decl;
+ break;
+ }
+
+ for (i = 0; i < fields->len; i++) {
+ g_ptr_array_add(fields_array,
+ &g_array_index(fields,
+ struct declaration_field, i));
+ }
+ ret_list = fields_array->pdata;
+ *count = fields->len;
+
+end:
+ *list = (struct bt_ctf_field_decl const* const*) ret_list;
+
+ return ret;
+}
+
+const char *bt_ctf_get_decl_field_name(const struct bt_ctf_field_decl *field)
+{
+ if (field)
+ return rem_(g_quark_to_string(((struct declaration_field *) field)->name));
+ return NULL;
+}
struct definition;
struct bt_ctf_event;
struct bt_ctf_event_decl;
+struct bt_ctf_field_decl;
/*
* the top-level scopes in CTF
* Return 0 on success and a negative value on error.
*/
int bt_ctf_get_event_decl_list(int handle_id, struct bt_context *ctx,
- struct bt_ctf_event_decl const * const **list,
+ struct bt_ctf_event_decl * const **list,
unsigned int *count);
/*
*/
const char *bt_ctf_get_decl_event_name(const struct bt_ctf_event_decl *event);
+/*
+ * bt_ctf_get_decl_fields: set list pointer to an array of bt_ctf_field_decl
+ * pointers and set count to the number of elements in the array.
+ *
+ * Returns 0 on success and a negative value on error
+ */
+int bt_ctf_get_decl_fields(struct bt_ctf_event_decl *event_decl,
+ enum bt_ctf_scope scope,
+ struct bt_ctf_field_decl const * const **list,
+ unsigned int *count);
+
+/*
+ * bt_ctf_get_decl_field_name: return the name of a field decl or NULL on error
+ */
+const char *bt_ctf_get_decl_field_name(const struct bt_ctf_field_decl *field);
+
#endif /* _BABELTRACE_CTF_EVENTS_H */