4 * Babeltrace Source Component
6 * Copyright 2015 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 #define BT_LOG_TAG "COMP-SOURCE"
30 #include <babeltrace/lib-logging-internal.h>
32 #include <babeltrace/ref.h>
33 #include <babeltrace/compiler-internal.h>
34 #include <babeltrace/graph/component-source-internal.h>
35 #include <babeltrace/graph/component-internal.h>
36 #include <babeltrace/graph/port-internal.h>
37 #include <babeltrace/graph/notification-iterator.h>
38 #include <babeltrace/graph/notification-iterator-internal.h>
39 #include <babeltrace/graph/graph.h>
42 void bt_component_source_destroy(struct bt_component
*component
)
47 struct bt_component
*bt_component_source_create(
48 struct bt_component_class
*class, struct bt_value
*params
)
50 struct bt_component_source
*source
= NULL
;
52 source
= g_new0(struct bt_component_source
, 1);
54 BT_LOGE_STR("Failed to allocate one source component.");
59 return source
? &source
->parent
: NULL
;
62 int64_t bt_component_source_get_output_port_count(
63 struct bt_component
*component
)
68 BT_LOGW_STR("Invalid parameter: component is NULL.");
73 if (component
->class->type
!= BT_COMPONENT_CLASS_TYPE_SOURCE
) {
74 BT_LOGW("Invalid parameter: component's class is not a source component class: "
75 "comp-addr=%p, comp-name=\"%s\", comp-class-type=%s",
76 component
, bt_component_get_name(component
),
77 bt_component_class_type_string(component
->class->type
));
82 /* bt_component_get_output_port_count() logs details/errors */
83 ret
= bt_component_get_output_port_count(component
);
89 struct bt_port
*bt_component_source_get_output_port_by_name(
90 struct bt_component
*component
, const char *name
)
92 struct bt_port
*port
= NULL
;
95 BT_LOGW_STR("Invalid parameter: component is NULL.");
100 BT_LOGW_STR("Invalid parameter: name is NULL.");
104 if (component
->class->type
!= BT_COMPONENT_CLASS_TYPE_SOURCE
) {
105 BT_LOGW("Invalid parameter: component's class is not a source component class: "
106 "comp-addr=%p, comp-name=\"%s\", comp-class-type=%s",
107 component
, bt_component_get_name(component
),
108 bt_component_class_type_string(component
->class->type
));
112 /* bt_component_get_output_port_by_name() logs details/errors */
113 port
= bt_component_get_output_port_by_name(component
, name
);
119 struct bt_port
*bt_component_source_get_output_port_by_index(
120 struct bt_component
*component
, uint64_t index
)
122 struct bt_port
*port
= NULL
;
125 BT_LOGW_STR("Invalid parameter: component is NULL.");
129 if (component
->class->type
!= BT_COMPONENT_CLASS_TYPE_SOURCE
) {
130 BT_LOGW("Invalid parameter: component's class is not a source component class: "
131 "comp-addr=%p, comp-name=\"%s\", comp-class-type=%s",
132 component
, bt_component_get_name(component
),
133 bt_component_class_type_string(component
->class->type
));
137 /* bt_component_get_output_port_by_index() logs details/errors */
138 port
= bt_component_get_output_port_by_index(component
, index
);
144 struct bt_private_port
*
145 bt_private_component_source_get_output_private_port_by_name(
146 struct bt_private_component
*private_component
,
149 /* bt_component_source_get_output_port_by_name() logs details/errors */
150 return bt_private_port_from_port(
151 bt_component_source_get_output_port_by_name(
152 bt_component_from_private(private_component
), name
));
155 struct bt_private_port
*
156 bt_private_component_source_get_output_private_port_by_index(
157 struct bt_private_component
*private_component
, uint64_t index
)
159 /* bt_component_source_get_output_port_by_index() logs details/errors */
160 return bt_private_port_from_port(
161 bt_component_source_get_output_port_by_index(
162 bt_component_from_private(private_component
), index
));
165 enum bt_component_status
bt_private_component_source_add_output_private_port(
166 struct bt_private_component
*private_component
,
167 const char *name
, void *user_data
,
168 struct bt_private_port
**user_priv_port
)
170 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
171 struct bt_port
*port
= NULL
;
172 struct bt_component
*component
=
173 bt_component_from_private(private_component
);
174 struct bt_graph
*graph
;
177 BT_LOGW_STR("Invalid parameter: component is NULL.");
178 status
= BT_COMPONENT_STATUS_INVALID
;
182 if (component
->class->type
!= BT_COMPONENT_CLASS_TYPE_SOURCE
) {
183 BT_LOGW("Invalid parameter: component's class is not a source component class: "
184 "comp-addr=%p, comp-name=\"%s\", comp-class-type=%s",
185 component
, bt_component_get_name(component
),
186 bt_component_class_type_string(component
->class->type
));
187 status
= BT_COMPONENT_STATUS_INVALID
;
191 graph
= bt_component_borrow_graph(component
);
193 if (graph
&& bt_graph_is_canceled(graph
)) {
194 BT_LOGW("Cannot add output port to filter component: graph is canceled: "
195 "comp-addr=%p, comp-name=\"%s\", graph-addr=%p",
196 component
, bt_component_get_name(component
),
197 bt_component_borrow_graph(component
));
198 status
= BT_COMPONENT_STATUS_GRAPH_IS_CANCELED
;
202 /* bt_component_add_output_port() logs details and errors */
203 port
= bt_component_add_output_port(component
, name
, user_data
);
205 status
= BT_COMPONENT_STATUS_NOMEM
;
209 if (user_priv_port
) {
210 /* Move reference to user */
211 *user_priv_port
= bt_private_port_from_port(port
);