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abe30a8f PP |
1 | #ifndef BABELTRACE_GRAPH_CONNECTION_INTERNAL_H |
2 | #define BABELTRACE_GRAPH_CONNECTION_INTERNAL_H | |
784cdc68 JG |
3 | |
4 | /* | |
f2b0325d | 5 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
784cdc68 JG |
6 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7 | * | |
784cdc68 JG |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
71c5da58 MJ |
27 | #include <babeltrace2/graph/connection-const.h> |
28 | #include <babeltrace2/graph/message-iterator-const.h> | |
57952005 MJ |
29 | #include "lib/object.h" |
30 | #include "common/assert.h" | |
85e7137b | 31 | #include "common/macros.h" |
c42ea0af | 32 | #include <stdbool.h> |
784cdc68 | 33 | |
57952005 MJ |
34 | #include "message/iterator.h" |
35 | ||
784cdc68 JG |
36 | struct bt_graph; |
37 | ||
38 | struct bt_connection { | |
39 | /* | |
40 | * The graph is a connection's parent and the connection is the parent | |
41 | * of all iterators it has created. | |
42 | */ | |
43 | struct bt_object base; | |
44 | /* | |
45 | * Weak references are held to both ports. Their existence is guaranteed | |
46 | * by the existence of the graph and thus, of their respective | |
47 | * components. | |
48 | */ | |
49 | /* Downstream port. */ | |
72b913fb | 50 | struct bt_port *downstream_port; |
784cdc68 | 51 | /* Upstream port. */ |
72b913fb | 52 | struct bt_port *upstream_port; |
bd14d768 PP |
53 | |
54 | /* | |
b09a5592 | 55 | * Weak references to all the message iterators that were |
bd14d768 PP |
56 | * created on this connection. |
57 | */ | |
58 | GPtrArray *iterators; | |
634f394c | 59 | |
0f15970b | 60 | bool notified_upstream_port_connected; |
0f15970b | 61 | bool notified_downstream_port_connected; |
0f15970b | 62 | bool notified_graph_ports_connected; |
784cdc68 JG |
63 | }; |
64 | ||
65 | BT_HIDDEN | |
66 | struct bt_connection *bt_connection_create(struct bt_graph *graph, | |
72b913fb PP |
67 | struct bt_port *upstream_port, |
68 | struct bt_port *downstream_port); | |
69 | ||
70 | BT_HIDDEN | |
c42ea0af | 71 | void bt_connection_end(struct bt_connection *conn, bool try_remove_from_graph); |
784cdc68 | 72 | |
bd14d768 PP |
73 | BT_HIDDEN |
74 | void bt_connection_remove_iterator(struct bt_connection *conn, | |
b09a5592 | 75 | struct bt_self_component_port_input_message_iterator *iterator); |
bd14d768 | 76 | |
c28d097c PP |
77 | static inline |
78 | struct bt_graph *bt_connection_borrow_graph(struct bt_connection *conn) | |
79 | { | |
8b45963b | 80 | BT_ASSERT(conn); |
c28d097c PP |
81 | return (void *) conn->base.parent; |
82 | } | |
83 | ||
abe30a8f | 84 | #endif /* BABELTRACE_GRAPH_CONNECTION_INTERNAL_H */ |