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1 #ifndef BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H
2 #define BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H
5 * BabelTrace - Component Graph Internal
7 * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
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
30 #include <babeltrace/component/graph.h>
31 #include <babeltrace/babeltrace-internal.h>
32 #include <babeltrace/object-internal.h>
37 * A component graph contains components and point-to-point connection
38 * between these components.
40 * In terms of ownership:
41 * 1) The graph is the components' parent,
42 * 2) The graph is the connnections' parent,
43 * 3) Components share the ownership of their connections,
44 * 4) A connection holds weak references to its two component endpoints.
46 struct bt_object base
;
48 /* Array of pointers to bt_connection. */
49 GPtrArray
*connections
;
50 /* Array of pointers to bt_component. */
51 GPtrArray
*components
;
52 /* Queue of pointers (weak references) to sink bt_components. */
53 GQueue
*sinks_to_consume
;
56 #endif /* BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H */
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