lib: make plugin API const-correct

[babeltrace.git] / include / babeltrace / graph / component-sink.h

diff --git a/include/babeltrace/graph/component-sink.h b/include/babeltrace/graph/component-sink.h
index 3bbfbb11e665dcdec968771d804806dc0b2e63a0..12fe73d4f4584a8f587c154ae851b3fd10e41283 100644 (file)
--- a/include/babeltrace/graph/component-sink.h
+++ b/include/babeltrace/graph/component-sink.h
@@ -1,9 +1,7 @@
-#ifndef BABELTRACE_COMPONENT_SINK_H
-#define BABELTRACE_COMPONENT_SINK_H
+#ifndef BABELTRACE_GRAPH_COMPONENT_SINK_H
+#define BABELTRACE_GRAPH_COMPONENT_SINK_H
 
 /*
- * BabelTrace - Sink Component Interface
- *
  * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
@@ -27,26 +25,34 @@
  * SOFTWARE.
  */
 
-#include <babeltrace/graph/component.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 struct bt_component;
-struct bt_notification;
+struct bt_component_sink;
+struct bt_port_input;
+
+static inline
+struct bt_component *bt_component_sink_as_component(
+               struct bt_component_sink *component)
+{
+       return (void *) component;
+}
+
+extern uint64_t bt_component_sink_get_input_port_count(
+               struct bt_component_sink *component);
+
+extern struct bt_port_input *bt_component_sink_borrow_input_port_by_name(
+               struct bt_component_sink *component, const char *name);
 
-extern enum bt_component_status bt_component_sink_get_input_port_count(
-               struct bt_component *component, uint64_t *count);
-extern struct bt_port *bt_component_sink_get_input_port(
-               struct bt_component *component, const char *name);
-extern struct bt_port *bt_component_sink_get_input_port_at_index(
-               struct bt_component *component, int index);
-extern struct bt_port *bt_component_sink_get_default_input_port(
-               struct bt_component *component);
+extern struct bt_port_input *bt_component_sink_borrow_input_port_by_index(
+               struct bt_component_sink *component, uint64_t index);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* BABELTRACE_COMPONENT_SINK_H */
+#endif /* BABELTRACE_GRAPH_COMPONENT_SINK_H */