6 * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include <babeltrace/component/component-internal.h>
30 #include <babeltrace/component/port-internal.h>
31 #include <babeltrace/object-internal.h>
32 #include <babeltrace/compiler.h>
35 void bt_port_destroy(struct bt_object
*obj
)
37 struct bt_port
*port
= container_of(obj
, struct bt_port
, base
);
40 g_string_free(port
->name
, TRUE
);
42 if (port
->connections
) {
43 g_ptr_array_free(port
->connections
, TRUE
);
49 struct bt_port
*bt_port_create(struct bt_component
*parent_component
,
50 enum bt_port_type type
, const char *name
)
55 assert(parent_component
);
56 assert(type
== BT_PORT_TYPE_INPUT
|| type
== BT_PORT_TYPE_OUTPUT
);
63 port
= g_new0(struct bt_port
, 1);
68 bt_object_init(port
, bt_port_destroy
);
69 port
->name
= g_string_new(name
);
76 port
->connections
= g_ptr_array_new();
77 if (!port
->connections
) {
82 port
->max_connection_count
= 1;
84 bt_object_set_parent(port
, &parent_component
->base
);
89 const char *bt_port_get_name(struct bt_port
*port
)
91 return port
? port
->name
->str
: NULL
;
94 enum bt_port_type
bt_port_get_type(struct bt_port
*port
)
96 return port
? port
->type
: BT_PORT_TYPE_UNKOWN
;
99 enum bt_port_status
bt_port_get_connection_count(struct bt_port
*port
,
102 enum bt_port_status status
= BT_PORT_STATUS_OK
;
104 if (!port
|| !count
) {
105 status
= BT_PORT_STATUS_INVALID
;
109 *count
= (uint64_t) port
->connections
->len
;
114 struct bt_connection
*bt_port_get_connection(struct bt_port
*port
, int index
)
116 struct bt_connection
*connection
;
118 if (!port
|| index
< 0 || index
>= port
->connections
->len
) {
123 connection
= bt_get(g_ptr_array_index(port
->connections
, index
));
128 struct bt_component
*bt_port_get_component(struct bt_port
*port
)
130 return (struct bt_component
*) bt_object_get_parent(port
);
134 int bt_port_add_connection(struct bt_port
*port
,
135 struct bt_connection
*connection
)
139 if (port
->connections
->len
== port
->max_connection_count
) {
145 * Don't take a reference on connection as its existence is guaranteed
146 * by the existence of the graph in which the connection exists.
148 g_ptr_array_add(port
->connections
, connection
);
153 enum bt_port_status
bt_port_get_maximum_connection_count(
154 struct bt_port
*port
, uint64_t *count
)
156 enum bt_port_status status
= BT_PORT_STATUS_OK
;
158 if (!port
|| !count
) {
159 status
= BT_PORT_STATUS_INVALID
;
163 *count
= port
->max_connection_count
;
168 enum bt_port_status
bt_port_set_maximum_connection_count(
169 struct bt_port
*port
, uint64_t count
)
171 enum bt_port_status status
= BT_PORT_STATUS_OK
;
173 if (!port
|| count
< port
->connections
->len
|| count
== 0) {
174 status
= BT_PORT_STATUS_INVALID
;
178 port
->max_connection_count
= count
;
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