lib: make graph API const-correct
[babeltrace.git] / include / babeltrace / trace-ir / stream-class-internal.h
1 #ifndef BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H
2 #define BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H
3
4 /*
5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 *
7 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 */
27
28 #include <babeltrace/assert-internal.h>
29 #include <babeltrace/common-internal.h>
30 #include <babeltrace/trace-ir/field-classes-internal.h>
31 #include <babeltrace/trace-ir/utils-internal.h>
32 #include <babeltrace/trace-ir/stream-class.h>
33 #include <babeltrace/object-internal.h>
34 #include <babeltrace/object-pool-internal.h>
35 #include <babeltrace/babeltrace-internal.h>
36 #include <glib.h>
37 #include <inttypes.h>
38
39 struct bt_stream_class {
40 struct bt_object base;
41
42 struct {
43 GString *str;
44
45 /* NULL or `str->str` above */
46 const char *value;
47 } name;
48
49 uint64_t id;
50 bool assigns_automatic_event_class_id;
51 bool assigns_automatic_stream_id;
52 bool packets_have_discarded_event_counter_snapshot;
53 bool packets_have_packet_counter_snapshot;
54 bool packets_have_default_beginning_cv;
55 bool packets_have_default_end_cv;
56 struct bt_field_class *packet_context_fc;
57 struct bt_field_class *event_header_fc;
58 struct bt_field_class *event_common_context_fc;
59 struct bt_clock_class *default_clock_class;
60
61 /* Array of `struct bt_event_class *` */
62 GPtrArray *event_classes;
63
64 /* Pool of `struct bt_field_wrapper *` */
65 struct bt_object_pool event_header_field_pool;
66
67 /* Pool of `struct bt_field_wrapper *` */
68 struct bt_object_pool packet_context_field_pool;
69
70 bool frozen;
71 };
72
73 BT_HIDDEN
74 void _bt_stream_class_freeze(const struct bt_stream_class *stream_class);
75
76 #ifdef BT_DEV_MODE
77 # define bt_stream_class_freeze _bt_stream_class_freeze
78 #else
79 # define bt_stream_class_freeze(_sc)
80 #endif
81
82 static inline
83 struct bt_trace *bt_stream_class_borrow_trace_inline(
84 const struct bt_stream_class *stream_class)
85 {
86 BT_ASSERT(stream_class);
87 return (void *) bt_object_borrow_parent(&stream_class->base);
88 }
89
90 #endif /* BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H */
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