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1 | #ifndef BABELTRACE_COMPONENT_CONNECTION_INTERNAL_H |
2 | #define BABELTRACE_COMPONENT_CONNECTION_INTERNAL_H | |
3 | ||
4 | /* | |
5 | * BabelTrace - Component Connection 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/component/component-connection.h> | |
31 | #include <babeltrace/object-internal.h> | |
32 | ||
33 | struct bt_graph; | |
34 | ||
35 | struct bt_connection { | |
36 | /* | |
37 | * The graph is a connection's parent and the connection is the parent | |
38 | * of all iterators it has created. | |
39 | */ | |
40 | struct bt_object base; | |
41 | /* | |
42 | * Weak references are held to both ports. Their existence is guaranteed | |
43 | * by the existence of the graph and thus, of their respective | |
44 | * components. | |
45 | */ | |
46 | /* Downstream port. */ | |
47 | struct bt_port *input_port; | |
48 | /* Upstream port. */ | |
49 | struct bt_port *output_port; | |
50 | }; | |
51 | ||
52 | BT_HIDDEN | |
53 | struct bt_connection *bt_connection_create(struct bt_graph *graph, | |
54 | struct bt_port *upstream, struct bt_port *downstream); | |
55 | ||
56 | #endif /* BABELTRACE_COMPONENT_CONNECTION_INTERNAL_H */ |