src/lib/graph/port.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   5  * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   6  */
   7
   8 #ifndef BABELTRACE_GRAPH_PORT_INTERNAL_H
   9 #define BABELTRACE_GRAPH_PORT_INTERNAL_H
  10
  11 #include <babeltrace2/graph/port.h>
  12 #include "common/macros.h"
  13
  14 struct bt_port {
  15         struct bt_object base;
  16         enum bt_port_type type;
  17         GString *name;
  18         struct bt_connection *connection;
  19         void *user_data;
  20 };
  21
  22 struct bt_component;
  23
  24 struct bt_port *bt_port_create(struct bt_component *parent_component,
  25                 enum bt_port_type type, const char *name, void *user_data);
  26
  27 void bt_port_set_connection(struct bt_port *port,
  28                 struct bt_connection *connection);
  29
  30 static inline
  31 struct bt_component *bt_port_borrow_component_inline(const struct bt_port *port)
  32 {
  33         BT_ASSERT_DBG(port);
  34         return (void *) bt_object_borrow_parent(&port->base);
  35 }
  36
  37 static inline
  38 const char *bt_port_type_string(enum bt_port_type port_type)
  39 {
  40         switch (port_type) {
  41         case BT_PORT_TYPE_INPUT:
  42                 return "INPUT";
  43         case BT_PORT_TYPE_OUTPUT:
  44                 return "OUTPUT";
  45         default:
  46                 return "(unknown)";
  47         }
  48 }
  49
  50 #endif /* BABELTRACE_GRAPH_PORT_INTERNAL_H */