lib: metadata: transform fast path precond. checks to BT_ASSERT_PRE()
[babeltrace.git] / include / babeltrace / ctf-ir / stream-internal.h
1 #ifndef BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H
2 #define BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H
3
4 /*
5 * BabelTrace - CTF Writer: Stream internal
6 *
7 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 *
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * SOFTWARE.
28 */
29
30 #include <babeltrace/ctf-ir/stream.h>
31 #include <babeltrace/object-internal.h>
32 #include <babeltrace/ctf-writer/clock.h>
33 #include <babeltrace/ctf-writer/event-fields.h>
34 #include <babeltrace/ctf-writer/event-types.h>
35 #include <babeltrace/ctf-writer/serialize-internal.h>
36 #include <babeltrace/babeltrace-internal.h>
37 #include <babeltrace/assert-internal.h>
38 #include <glib.h>
39
40 struct bt_port;
41 struct bt_component;
42
43 typedef void (*bt_stream_destroy_listener_func)(
44 struct bt_stream *stream, void *data);
45
46 struct bt_stream_destroy_listener {
47 bt_stream_destroy_listener_func func;
48 void *data;
49 };
50
51 struct bt_stream {
52 struct bt_object base;
53 int64_t id;
54 struct bt_stream_class *stream_class;
55 GString *name;
56 struct bt_field *packet_header;
57 struct bt_field *packet_context;
58
59 /* Writer-specific members. */
60 /* Array of pointers to bt_event for the current packet */
61 GPtrArray *events;
62 struct bt_stream_pos pos;
63 unsigned int flushed_packet_count;
64 uint64_t discarded_events;
65 uint64_t size;
66 uint64_t last_ts_end;
67
68 /* Array of struct bt_stream_destroy_listener */
69 GArray *destroy_listeners;
70 };
71
72 BT_HIDDEN
73 int bt_stream_set_fd(struct bt_stream *stream, int fd);
74
75 BT_HIDDEN
76 void bt_stream_add_destroy_listener(struct bt_stream *stream,
77 bt_stream_destroy_listener_func func, void *data);
78
79 BT_HIDDEN
80 void bt_stream_remove_destroy_listener(struct bt_stream *stream,
81 bt_stream_destroy_listener_func func, void *data);
82
83 static inline
84 struct bt_stream_class *bt_stream_borrow_stream_class(
85 struct bt_stream *stream)
86 {
87 BT_ASSERT(stream);
88 return stream->stream_class;
89 }
90
91 #endif /* BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H */
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