| 1 | #ifndef BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H |
| 2 | #define BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H |
| 3 | |
| 4 | /* |
| 5 | * BabelTrace - Component Graph Internal |
| 6 | * |
| 7 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 8 | * |
| 9 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 10 | * |
| 11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 12 | * of this software and associated documentation files (the "Software"), to deal |
| 13 | * in the Software without restriction, including without limitation the rights |
| 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 15 | * copies of the Software, and to permit persons to whom the Software is |
| 16 | * furnished to do so, subject to the following conditions: |
| 17 | * |
| 18 | * The above copyright notice and this permission notice shall be included in |
| 19 | * all copies or substantial portions of the Software. |
| 20 | * |
| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 27 | * SOFTWARE. |
| 28 | */ |
| 29 | |
| 30 | #include <babeltrace/graph/graph.h> |
| 31 | #include <babeltrace/babeltrace-internal.h> |
| 32 | #include <babeltrace/object-internal.h> |
| 33 | #include <glib.h> |
| 34 | |
| 35 | struct bt_component; |
| 36 | struct bt_port; |
| 37 | |
| 38 | struct bt_graph { |
| 39 | /** |
| 40 | * A component graph contains components and point-to-point connection |
| 41 | * between these components. |
| 42 | * |
| 43 | * In terms of ownership: |
| 44 | * 1) The graph is the components' parent, |
| 45 | * 2) The graph is the connnections' parent, |
| 46 | * 3) Components share the ownership of their connections, |
| 47 | * 4) A connection holds weak references to its two component endpoints. |
| 48 | */ |
| 49 | struct bt_object base; |
| 50 | |
| 51 | /* Array of pointers to bt_connection. */ |
| 52 | GPtrArray *connections; |
| 53 | /* Array of pointers to bt_component. */ |
| 54 | GPtrArray *components; |
| 55 | /* Queue of pointers (weak references) to sink bt_components. */ |
| 56 | GQueue *sinks_to_consume; |
| 57 | |
| 58 | struct { |
| 59 | GArray *port_added; |
| 60 | GArray *port_removed; |
| 61 | GArray *ports_connected; |
| 62 | GArray *ports_disconnected; |
| 63 | } listeners; |
| 64 | }; |
| 65 | |
| 66 | BT_HIDDEN |
| 67 | void bt_graph_notify_port_added(struct bt_graph *graph, struct bt_port *port); |
| 68 | |
| 69 | BT_HIDDEN |
| 70 | void bt_graph_notify_port_removed(struct bt_graph *graph, |
| 71 | struct bt_component *comp, struct bt_port *port); |
| 72 | |
| 73 | BT_HIDDEN |
| 74 | void bt_graph_notify_ports_connected(struct bt_graph *graph, |
| 75 | struct bt_port *upstream_port, struct bt_port *downstream_port); |
| 76 | |
| 77 | BT_HIDDEN |
| 78 | void bt_graph_notify_ports_disconnected(struct bt_graph *graph, |
| 79 | struct bt_component *upstream_comp, |
| 80 | struct bt_component *downstream_comp, |
| 81 | struct bt_port *upstream_port, |
| 82 | struct bt_port *downstream_port); |
| 83 | |
| 84 | #endif /* BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H */ |