d89b7283b13da459892080df29b7c8fc871bccde
[babeltrace.git] / src / lib / graph / component-sink.c
1 /*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 */
7
8 #define BT_LOG_TAG "LIB/COMPONENT-SINK"
9 #include "lib/logging.h"
10
11 #include "common/assert.h"
12 #include "lib/assert-cond.h"
13 #include "compat/compiler.h"
14 #include <babeltrace2/value.h>
15 #include <babeltrace2/graph/self-component.h>
16 #include <babeltrace2/graph/component.h>
17 #include <babeltrace2/graph/graph.h>
18
19 #include "component-sink.h"
20 #include "component.h"
21 #include "graph.h"
22 #include "lib/func-status.h"
23
24 BT_HIDDEN
25 void bt_component_sink_destroy(struct bt_component *component)
26 {
27 }
28
29 BT_HIDDEN
30 struct bt_component *bt_component_sink_create(
31 const struct bt_component_class *class)
32 {
33 struct bt_component_sink *sink = NULL;
34
35 BT_ASSERT_PRE_NO_ERROR();
36
37 sink = g_new0(struct bt_component_sink, 1);
38 if (!sink) {
39 BT_LIB_LOGE_APPEND_CAUSE(
40 "Failed to allocate one sink component.");
41 goto end;
42 }
43
44 end:
45 return (void *) sink;
46 }
47
48 const bt_component_class_sink *
49 bt_component_sink_borrow_class_const(
50 const bt_component_sink *component)
51 {
52 struct bt_component_class *cls;
53
54 BT_ASSERT_PRE_DEV_NON_NULL(component, "Component");
55
56 cls = component->parent.class;
57
58 BT_ASSERT_DBG(cls);
59 BT_ASSERT_DBG(cls->type == BT_COMPONENT_CLASS_TYPE_SINK);
60
61 return (bt_component_class_sink *) cls;
62 }
63
64 uint64_t bt_component_sink_get_input_port_count(
65 const struct bt_component_sink *component)
66 {
67 /* bt_component_get_input_port_count() logs details/errors */
68 return bt_component_get_input_port_count((void *) component);
69 }
70
71 const struct bt_port_input *
72 bt_component_sink_borrow_input_port_by_name_const(
73 const struct bt_component_sink *component, const char *name)
74 {
75 /* bt_component_borrow_input_port_by_name() logs details/errors */
76 return bt_component_borrow_input_port_by_name((void *) component, name);
77 }
78
79 struct bt_self_component_port_input *
80 bt_self_component_sink_borrow_input_port_by_name(
81 struct bt_self_component_sink *component, const char *name)
82 {
83 /* bt_component_borrow_input_port_by_name() logs details/errors */
84 return (void *) bt_component_borrow_input_port_by_name(
85 (void *) component, name);
86 }
87
88 const struct bt_port_input *bt_component_sink_borrow_input_port_by_index_const(
89 const struct bt_component_sink *component, uint64_t index)
90 {
91 /* bt_component_borrow_input_port_by_index() logs details/errors */
92 return bt_component_borrow_input_port_by_index(
93 (void *) component, index);
94 }
95
96 struct bt_self_component_port_input *
97 bt_self_component_sink_borrow_input_port_by_index(
98 struct bt_self_component_sink *component, uint64_t index)
99 {
100 /* bt_component_borrow_input_port_by_index() logs details/errors */
101 return (void *) bt_component_borrow_input_port_by_index(
102 (void *) component, index);
103 }
104
105 enum bt_self_component_add_port_status bt_self_component_sink_add_input_port(
106 struct bt_self_component_sink *self_comp,
107 const char *name, void *user_data,
108 struct bt_self_component_port_input **self_port)
109 {
110 enum bt_self_component_add_port_status status;
111 struct bt_port *port = NULL;
112 struct bt_component *comp = (void *) self_comp;
113
114 BT_ASSERT_PRE_NO_ERROR();
115 BT_ASSERT_PRE_INPUT_PORT_NAME_UNIQUE(comp, name);
116
117 /* bt_component_add_input_port() logs details/errors */
118 status = bt_component_add_input_port(comp, name, user_data, &port);
119 if (status != BT_FUNC_STATUS_OK) {
120 goto end;
121 }
122
123 if (self_port) {
124 /* Move reference to user */
125 *self_port = (void *) port;
126 }
127
128 end:
129 bt_object_put_ref(port);
130 return status;
131 }
132
133 bt_bool bt_self_component_sink_is_interrupted(
134 const struct bt_self_component_sink *self_comp)
135 {
136 struct bt_component *comp = (void *) self_comp;
137
138 BT_ASSERT_PRE_NON_NULL(comp, "Component");
139 return (bt_bool) bt_graph_is_interrupted(
140 bt_component_borrow_graph(comp));
141 }
142
143 void bt_component_sink_get_ref(
144 const struct bt_component_sink *component_sink)
145 {
146 bt_object_get_ref(component_sink);
147 }
148
149 void bt_component_sink_put_ref(
150 const struct bt_component_sink *component_sink)
151 {
152 bt_object_put_ref(component_sink);
153 }
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