API : list of events in the trace

[babeltrace.git] / formats / ctf / events.c

diff --git a/formats/ctf/events.c b/formats/ctf/events.c
index b33796bc2dfbc9580e46b57d88848de266445862..13c7411a1fe2c89e462cc0a686236be8dd0989fa 100644 (file)
--- a/formats/ctf/events.c
+++ b/formats/ctf/events.c
@@ -441,3 +441,37 @@ char *bt_ctf_get_string(const struct definition *field)
 
        return ret;
 }
+
+int bt_ctf_get_event_decl_list(int handle_id, struct bt_context *ctx,
+               struct bt_ctf_event_decl const * const **list,
+               unsigned int *count)
+{
+       struct bt_trace_handle *handle;
+       struct trace_descriptor *td;
+       struct ctf_trace *tin;
+
+       if (!ctx)
+               goto error;
+
+       handle = g_hash_table_lookup(ctx->trace_handles,
+                       (gpointer) (unsigned long) handle_id);
+       if (!handle)
+               goto error;
+
+       td = handle->td;
+       tin = container_of(td, struct ctf_trace, parent);
+
+       *list = (struct bt_ctf_event_decl const* const*) tin->event_declarations->pdata;
+       *count = tin->event_declarations->len;
+       return 0;
+
+error:
+       return -1;
+}
+
+const char *bt_ctf_get_decl_event_name(const struct bt_ctf_event_decl *event)
+{
+       if (!event)
+               return NULL;
+       return g_quark_to_string(event->parent.name);
+}