43e6b49ff1ceb25024df45a61fbbfa919a0cb499
[babeltrace.git] / include / babeltrace2 / graph / component-source-const.h
1 #ifndef BABELTRACE_GRAPH_COMPONENT_SOURCE_CONST_H
2 #define BABELTRACE_GRAPH_COMPONENT_SOURCE_CONST_H
3
4 /*
5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
6 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 */
26
27 #include <stdint.h>
28
29 /*
30 * For bt_component, bt_component_filter, bt_port_output,
31 * __BT_UPCAST_CONST, bt_component_class_source
32 */
33 #include <babeltrace2/types.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 static inline
40 const bt_component *bt_component_source_as_component_const(
41 const bt_component_source *component)
42 {
43 return __BT_UPCAST_CONST(bt_component, component);
44 }
45
46 extern const bt_component_class_source *
47 bt_component_source_borrow_class_const(
48 const bt_component_source *component);
49
50 extern uint64_t bt_component_source_get_output_port_count(
51 const bt_component_source *component);
52
53 extern const bt_port_output *
54 bt_component_source_borrow_output_port_by_name_const(
55 const bt_component_source *component, const char *name);
56
57 extern const bt_port_output *
58 bt_component_source_borrow_output_port_by_index_const(
59 const bt_component_source *component, uint64_t index);
60
61 extern void bt_component_source_get_ref(
62 const bt_component_source *component_source);
63
64 extern void bt_component_source_put_ref(
65 const bt_component_source *component_source);
66
67 #define BT_COMPONENT_SOURCE_PUT_REF_AND_RESET(_var) \
68 do { \
69 bt_component_source_put_ref(_var); \
70 (_var) = NULL; \
71 } while (0)
72
73 #define BT_COMPONENT_SOURCE_MOVE_REF(_var_dst, _var_src) \
74 do { \
75 bt_component_source_put_ref(_var_dst); \
76 (_var_dst) = (_var_src); \
77 (_var_src) = NULL; \
78 } while (0)
79
80 #ifdef __cplusplus
81 }
82 #endif
83
84 #endif /* BABELTRACE_GRAPH_COMPONENT_SOURCE_CONST_H */
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