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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 | ||
b2e0c907 | 30 | #include <babeltrace/graph/connection.h> |
73d5c1ad | 31 | #include <babeltrace/graph/notification-iterator.h> |
b2e0c907 | 32 | #include <babeltrace/graph/private-connection.h> |
784cdc68 JG |
33 | #include <babeltrace/object-internal.h> |
34 | ||
35 | struct bt_graph; | |
36 | ||
37 | struct bt_connection { | |
38 | /* | |
39 | * The graph is a connection's parent and the connection is the parent | |
40 | * of all iterators it has created. | |
41 | */ | |
42 | struct bt_object base; | |
43 | /* | |
44 | * Weak references are held to both ports. Their existence is guaranteed | |
45 | * by the existence of the graph and thus, of their respective | |
46 | * components. | |
47 | */ | |
48 | /* Downstream port. */ | |
72b913fb | 49 | struct bt_port *downstream_port; |
784cdc68 | 50 | /* Upstream port. */ |
72b913fb | 51 | struct bt_port *upstream_port; |
bd14d768 PP |
52 | |
53 | /* | |
54 | * Weak references to all the notification iterators that were | |
55 | * created on this connection. | |
56 | */ | |
57 | GPtrArray *iterators; | |
784cdc68 JG |
58 | }; |
59 | ||
890882ef PP |
60 | static inline |
61 | struct bt_connection *bt_connection_from_private( | |
62 | struct bt_private_connection *private_connection) | |
63 | { | |
64 | return (void *) private_connection; | |
65 | } | |
66 | ||
67 | static inline | |
68 | struct bt_private_connection *bt_private_connection_from_connection( | |
69 | struct bt_connection *connection) | |
70 | { | |
71 | return (void *) connection; | |
72 | } | |
73 | ||
784cdc68 JG |
74 | BT_HIDDEN |
75 | struct bt_connection *bt_connection_create(struct bt_graph *graph, | |
72b913fb PP |
76 | struct bt_port *upstream_port, |
77 | struct bt_port *downstream_port); | |
78 | ||
79 | BT_HIDDEN | |
2038affb | 80 | void bt_connection_disconnect_ports(struct bt_connection *conn); |
784cdc68 | 81 | |
bd14d768 PP |
82 | BT_HIDDEN |
83 | void bt_connection_remove_iterator(struct bt_connection *conn, | |
84 | struct bt_notification_iterator *iterator); | |
85 | ||
73d5c1ad PP |
86 | static inline |
87 | enum bt_connection_status | |
88 | bt_connection_status_from_notification_iterator_status( | |
89 | enum bt_notification_iterator_status iter_status) | |
90 | { | |
91 | switch (iter_status) { | |
92 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
93 | return BT_CONNECTION_STATUS_ERROR; | |
94 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
95 | return BT_CONNECTION_STATUS_ERROR; | |
96 | case BT_NOTIFICATION_ITERATOR_STATUS_END: | |
97 | return BT_CONNECTION_STATUS_ERROR; | |
98 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: | |
99 | return BT_CONNECTION_STATUS_OK; | |
100 | case BT_NOTIFICATION_ITERATOR_STATUS_INVALID: | |
101 | return BT_CONNECTION_STATUS_INVALID; | |
102 | case BT_NOTIFICATION_ITERATOR_STATUS_ERROR: | |
103 | return BT_CONNECTION_STATUS_ERROR; | |
104 | case BT_NOTIFICATION_ITERATOR_STATUS_NOMEM: | |
105 | return BT_CONNECTION_STATUS_NOMEM; | |
106 | case BT_NOTIFICATION_ITERATOR_STATUS_UNSUPPORTED: | |
107 | return BT_CONNECTION_STATUS_ERROR; | |
108 | default: | |
109 | #ifdef BT_LOGF | |
110 | BT_LOGF("Unknown notification iterator status: status=%d", | |
111 | iter_status); | |
112 | #endif | |
113 | abort(); | |
114 | } | |
115 | } | |
116 | ||
784cdc68 | 117 | #endif /* BABELTRACE_COMPONENT_CONNECTION_INTERNAL_H */ |