Add dummy output module
[babeltrace.git] / formats / bt-dummy / bt-dummy.c
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22133895
MD
1/*
2 * BabelTrace - Dummy Output
3 *
4 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
5 *
6 * Author: Mathieu Desnoyers <mathieu.desnoyers@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
19#include <babeltrace/ctf-text/types.h>
20#include <babeltrace/format.h>
21#include <babeltrace/babeltrace.h>
22#include <inttypes.h>
23#include <uuid/uuid.h>
24#include <sys/mman.h>
25#include <errno.h>
26#include <sys/types.h>
27#include <sys/stat.h>
28#include <fcntl.h>
29#include <dirent.h>
30#include <glib.h>
31#include <unistd.h>
32#include <stdlib.h>
33
34static
35int bt_dummy_write_event(struct stream_pos *ppos,
36 struct ctf_stream *stream)
37{
38 return 0;
39}
40
41static
42struct trace_descriptor *bt_dummy_open_trace(const char *path, int flags)
43{
44 struct ctf_text_stream_pos *pos;
45
46 pos = g_new0(struct ctf_text_stream_pos, 1);
47 pos->parent.rw_table = NULL;
48 pos->parent.event_cb = bt_dummy_write_event;
49 return &pos->trace_descriptor;
50}
51
52static
53void bt_dummy_close_trace(struct trace_descriptor *td)
54{
55 struct ctf_text_stream_pos *pos =
56 container_of(td, struct ctf_text_stream_pos,
57 trace_descriptor);
58 free(pos);
59}
60
61static
62struct format bt_dummy_format = {
63 .open_trace = bt_dummy_open_trace,
64 .close_trace = bt_dummy_close_trace,
65};
66
67static
68void __attribute__((constructor)) bt_dummy_init(void)
69{
70 int ret;
71
72 bt_dummy_format.name = g_quark_from_static_string("dummy");
73 ret = bt_register_format(&bt_dummy_format);
74 assert(!ret);
75}
76
77/* TODO: finalize */
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