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1ca80abd PP |
1 | #ifndef BABELTRACE_GRAPH_CONNECTION_H |
2 | #define BABELTRACE_GRAPH_CONNECTION_H | |
784cdc68 JG |
3 | |
4 | /* | |
5 | * BabelTrace - Babeltrace Component Connection Interface | |
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 | ||
73d5c1ad PP |
30 | #include <babeltrace/types.h> |
31 | ||
784cdc68 JG |
32 | #ifdef __cplusplus |
33 | extern "C" { | |
34 | #endif | |
35 | ||
36 | struct bt_component; | |
37 | struct bt_connection; | |
38 | ||
73d5c1ad PP |
39 | enum bt_connection_status { |
40 | BT_CONNECTION_STATUS_GRAPH_IS_CANCELED = 125, | |
41 | BT_CONNECTION_STATUS_OK = 0, | |
42 | BT_CONNECTION_STATUS_INVALID = -22, | |
43 | BT_CONNECTION_STATUS_ERROR = -1, | |
44 | BT_CONNECTION_STATUS_NOMEM = -12, | |
45 | BT_CONNECTION_STATUS_IS_ENDED = 104, | |
46 | }; | |
47 | ||
784cdc68 | 48 | /* Returns the "downstream" input port. */ |
72b913fb | 49 | extern struct bt_port *bt_connection_get_downstream_port( |
784cdc68 JG |
50 | struct bt_connection *connection); |
51 | /* Returns the "upstream" output port. */ | |
72b913fb | 52 | extern struct bt_port *bt_connection_get_upstream_port( |
784cdc68 JG |
53 | struct bt_connection *connection); |
54 | ||
090a4c0a PP |
55 | extern bt_bool bt_connection_is_ended(struct bt_connection *connection); |
56 | ||
784cdc68 JG |
57 | #ifdef __cplusplus |
58 | } | |
59 | #endif | |
60 | ||
1ca80abd | 61 | #endif /* BABELTRACE_GRAPH_CONNECTION_H */ |