9682570807349f626f0eb84b90e5e0737d2c68ad
[babeltrace.git] / lib / graph / source.c
1 /*
2 * source.c
3 *
4 * Babeltrace Source Component
5 *
6 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 *
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 *
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:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
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
26 * SOFTWARE.
27 */
28
29 #include <babeltrace/ref.h>
30 #include <babeltrace/compiler-internal.h>
31 #include <babeltrace/graph/component-source-internal.h>
32 #include <babeltrace/graph/component-internal.h>
33 #include <babeltrace/graph/port-internal.h>
34 #include <babeltrace/graph/notification-iterator.h>
35 #include <babeltrace/graph/notification-iterator-internal.h>
36
37 BT_HIDDEN
38 void bt_component_source_destroy(struct bt_component *component)
39 {
40 }
41
42 BT_HIDDEN
43 struct bt_component *bt_component_source_create(
44 struct bt_component_class *class, struct bt_value *params)
45 {
46 struct bt_component_source *source = NULL;
47
48 source = g_new0(struct bt_component_source, 1);
49 if (!source) {
50 goto end;
51 }
52
53 end:
54 return source ? &source->parent : NULL;
55 }
56
57 int64_t bt_component_source_get_output_port_count(
58 struct bt_component *component, uint64_t *count)
59 {
60 int64_t ret;
61
62 if (!component || !count ||
63 component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) {
64 ret = (int64_t) -1;
65 goto end;
66 }
67
68 ret = bt_component_get_output_port_count(component);
69 end:
70 return ret;
71 }
72
73 struct bt_port *bt_component_source_get_output_port_by_name(
74 struct bt_component *component, const char *name)
75 {
76 struct bt_port *port = NULL;
77
78 if (!component || !name ||
79 component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) {
80 goto end;
81 }
82
83 port = bt_component_get_output_port_by_name(component, name);
84 end:
85 return port;
86 }
87
88 struct bt_port *bt_component_source_get_output_port_by_index(
89 struct bt_component *component, uint64_t index)
90 {
91 struct bt_port *port = NULL;
92
93 if (!component ||
94 component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) {
95 goto end;
96 }
97
98 port = bt_component_get_output_port_by_index(component, index);
99 end:
100 return port;
101 }
102
103 struct bt_private_port *
104 bt_private_component_source_get_output_private_port_by_name(
105 struct bt_private_component *private_component,
106 const char *name)
107 {
108 return bt_private_port_from_port(
109 bt_component_source_get_output_port_by_name(
110 bt_component_from_private(private_component), name));
111 }
112
113 struct bt_private_port *
114 bt_private_component_source_get_output_private_port_by_index(
115 struct bt_private_component *private_component, uint64_t index)
116 {
117 return bt_private_port_from_port(
118 bt_component_source_get_output_port_by_index(
119 bt_component_from_private(private_component), index));
120 }
121
122 struct bt_private_port *bt_private_component_source_add_output_private_port(
123 struct bt_private_component *private_component,
124 const char *name, void *user_data)
125 {
126 struct bt_port *port = NULL;
127 struct bt_component *component =
128 bt_component_from_private(private_component);
129
130 if (!component ||
131 component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) {
132 goto end;
133 }
134
135 port = bt_component_add_output_port(component, name, user_data);
136 end:
137 return bt_private_port_from_port(port);
138 }
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