Commit | Line | Data |
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0777b693 JG |
1 | /* |
2 | * source.c | |
3 | * | |
0d884c50 | 4 | * Babeltrace Source Component |
0777b693 JG |
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 | ||
b8a06801 | 29 | #include <babeltrace/ref.h> |
fd0f910d | 30 | #include <babeltrace/compiler.h> |
d71dcf2c | 31 | #include <babeltrace/component/component-source-internal.h> |
33b34c43 | 32 | #include <babeltrace/component/component-internal.h> |
366e034f | 33 | #include <babeltrace/component/component-port-internal.h> |
33b34c43 PP |
34 | #include <babeltrace/component/notification/iterator.h> |
35 | #include <babeltrace/component/notification/iterator-internal.h> | |
0777b693 | 36 | |
7c7c0433 JG |
37 | BT_HIDDEN |
38 | enum bt_component_status bt_component_source_validate( | |
39 | struct bt_component *component) | |
40 | { | |
cc8f4066 | 41 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
cc8f4066 JG |
42 | |
43 | if (!component) { | |
44 | ret = BT_COMPONENT_STATUS_INVALID; | |
45 | goto end; | |
46 | } | |
47 | ||
48 | if (!component->class) { | |
49 | ret = BT_COMPONENT_STATUS_INVALID; | |
50 | goto end; | |
51 | } | |
52 | ||
d3e4dcd8 | 53 | if (component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { |
cc8f4066 JG |
54 | ret = BT_COMPONENT_STATUS_INVALID; |
55 | goto end; | |
56 | } | |
57 | ||
cc8f4066 JG |
58 | end: |
59 | return ret; | |
0777b693 JG |
60 | } |
61 | ||
366e034f JG |
62 | static |
63 | void bt_component_source_destroy(struct bt_component *component) | |
64 | { | |
65 | struct bt_component_source *source = container_of(component, | |
66 | struct bt_component_source, parent); | |
67 | ||
68 | if (source->output_ports) { | |
69 | g_ptr_array_free(source->output_ports, TRUE); | |
70 | } | |
71 | } | |
72 | ||
73 | ||
8738a040 | 74 | BT_HIDDEN |
fb2dcc52 | 75 | struct bt_component *bt_component_source_create( |
7c7c0433 | 76 | struct bt_component_class *class, struct bt_value *params) |
0777b693 | 77 | { |
366e034f | 78 | int ret; |
0d884c50 | 79 | struct bt_component_source *source = NULL; |
366e034f | 80 | enum bt_component_status status; |
38b48196 | 81 | |
0d884c50 | 82 | source = g_new0(struct bt_component_source, 1); |
0777b693 JG |
83 | if (!source) { |
84 | goto end; | |
85 | } | |
86 | ||
aab65362 | 87 | source->parent.class = bt_get(class); |
366e034f JG |
88 | status = bt_component_init(&source->parent, bt_component_source_destroy); |
89 | if (status != BT_COMPONENT_STATUS_OK) { | |
90 | goto error; | |
0777b693 | 91 | } |
366e034f JG |
92 | |
93 | ret = bt_component_init_output_ports(&source->parent, &source->output_ports); | |
94 | if (ret) { | |
95 | goto error; | |
96 | } | |
97 | ||
0777b693 JG |
98 | end: |
99 | return source ? &source->parent : NULL; | |
366e034f JG |
100 | error: |
101 | BT_PUT(source); | |
102 | goto end; | |
0777b693 | 103 | } |
47e5a032 | 104 | |
d8467892 | 105 | BT_HIDDEN |
c725abdd | 106 | struct bt_notification_iterator *bt_component_source_create_notification_iterator( |
47e5a032 JG |
107 | struct bt_component *component) |
108 | { | |
8b0ce102 PP |
109 | return bt_component_create_iterator(component, NULL); |
110 | } | |
111 | ||
d8467892 | 112 | BT_HIDDEN |
c725abdd | 113 | struct bt_notification_iterator *bt_component_source_create_notification_iterator_with_init_method_data( |
8b0ce102 PP |
114 | struct bt_component *component, void *init_method_data) |
115 | { | |
116 | return bt_component_create_iterator(component, init_method_data); | |
47e5a032 | 117 | } |
366e034f JG |
118 | |
119 | int bt_component_source_get_output_port_count(struct bt_component *component) | |
120 | { | |
121 | int ret; | |
122 | struct bt_component_source *source; | |
123 | ||
124 | if (!component) { | |
125 | ret = -1; | |
126 | goto end; | |
127 | } | |
128 | ||
129 | if (component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { | |
130 | ret = -1; | |
131 | goto end; | |
132 | } | |
133 | ||
134 | source = container_of(component, struct bt_component_source, parent); | |
135 | ret = source->output_ports->len; | |
136 | end: | |
137 | return ret; | |
138 | } | |
139 | ||
140 | struct bt_port *bt_component_source_get_output_port( | |
141 | struct bt_component *component, const char *name) | |
142 | { | |
143 | struct bt_component_source *source; | |
144 | struct bt_port *ret_port = NULL; | |
145 | ||
146 | if (!component || !name || | |
147 | component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { | |
148 | goto end; | |
149 | } | |
150 | ||
151 | source = container_of(component, struct bt_component_source, parent); | |
152 | ret_port = bt_component_get_port(source->output_ports, name); | |
153 | end: | |
154 | return ret_port; | |
155 | } | |
156 | ||
157 | struct bt_port *bt_component_source_get_output_port_at_index( | |
158 | struct bt_component *component, int index) | |
159 | { | |
160 | struct bt_port *port = NULL; | |
161 | struct bt_component_source *source; | |
162 | ||
163 | if (!component || | |
164 | component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { | |
165 | goto end; | |
166 | } | |
167 | ||
168 | source = container_of(component, struct bt_component_source, parent); | |
169 | port = bt_component_get_port_at_index(source->output_ports, index); | |
170 | end: | |
171 | return port; | |
172 | } | |
173 | ||
174 | struct bt_port *bt_component_source_get_default_output_port( | |
175 | struct bt_component *component) | |
176 | { | |
177 | return bt_component_source_get_output_port(component, | |
178 | DEFAULT_OUTPUT_PORT_NAME); | |
179 | } | |
180 | ||
181 | struct bt_port *bt_component_source_add_output_port( | |
182 | struct bt_component *component, const char *name) | |
183 | { | |
184 | struct bt_port *port; | |
185 | struct bt_component_source *source; | |
186 | ||
187 | if (!component || | |
188 | component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { | |
189 | port = NULL; | |
190 | goto end; | |
191 | } | |
192 | ||
193 | source = container_of(component, struct bt_component_source, parent); | |
194 | port = bt_component_add_port(component, source->output_ports, | |
195 | BT_PORT_TYPE_OUTPUT, name); | |
196 | end: | |
197 | return port; | |
198 | } | |
199 | ||
200 | enum bt_component_status bt_component_source_remove_output_port( | |
201 | struct bt_component *component, const char *name) | |
202 | { | |
203 | enum bt_component_status status; | |
204 | struct bt_component_source *source; | |
205 | ||
206 | if (!component || | |
207 | component->class->type != BT_COMPONENT_CLASS_TYPE_SOURCE) { | |
208 | status = BT_COMPONENT_STATUS_INVALID; | |
209 | goto end; | |
210 | } | |
211 | ||
212 | source = container_of(component, struct bt_component_source, parent); | |
213 | status = bt_component_remove_port(component, source->output_ports, | |
214 | name); | |
215 | end: | |
216 | return status; | |
217 | } |