Update generate IO struct work in progress
[babeltrace.git] / include / babeltrace / ctf / metadata.h
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1#ifndef _BABELTRACE_CTF_METADATA_H
2#define _BABELTRACE_CTF_METADATA_H
3
4/*
5 * BabelTrace
6 *
7 * CTF Metadata Header
8 *
9 * Copyright 2011 - Mathieu Desnoyers <mathieu.desnoyers@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
22#include <babeltrace/types.h>
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23#include <uuid/uuid.h>
24#include <assert.h>
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25#include <glib.h>
26
27struct ctf_trace;
28struct ctf_stream;
29struct ctf_event;
30
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31#define CTF_TRACE_SET_FIELD(ctf_trace, field, value) \
32 do { \
33 (ctf_trace)->(field) = (value); \
34 (ctf_trace)->field_mask |= CTF_TRACE_ ## field; \
35 } while (0)
36
37#define CTF_TRACE_FIELD_IS_SET(ctf_trace, field) \
38 ((ctf_trace)->field_mask & CTF_TRACE_ ## field)
39
40#define CTF_TRACE_GET_FIELD(ctf_trace, field) \
41 ({ \
42 assert(CTF_TRACE_FIELD_IS_SET(ctf_trace, field)); \
43 (ctf_trace)->(field); \
44 })
45
05628561 46
c054553d 47struct ctf_trace {
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48 /* root scope */
49 struct type_scope *root_type_scope;
50 /* root scope */
51 struct declaration_scope *root_declaration_scope;
52
53 struct type_scope *type_scope;
54 struct declaration_scope *declaration_scope;
55 GPtrArray *streams; /* Array of struct ctf_stream pointers*/
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56
57 uint64_t major;
58 uint64_t minor;
96513a7f 59 uuid_t uuid;
fe21b943 60 uint64_t word_size;
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61
62 enum { /* Fields populated mask */
63 CTF_TRACE_major = (1U << 0),
64 CTF_TRACE_minor = (1U << 1),
65 CTF_TRACE_uuid = (1U << 2),
66 CTF_TRACE_word_size = (1U << 3),
67 } field_mask;
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68};
69
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70#define CTF_STREAM_SET_FIELD(ctf_stream, field, value) \
71 do { \
72 (ctf_stream)->(field) = (value); \
73 (ctf_stream)->field_mask |= CTF_STREAM_ ## field; \
74 } while (0)
75
76#define CTF_STREAM_FIELD_IS_SET(ctf_stream, field) \
77 ((ctf_stream)->field_mask & CTF_STREAM_ ## field)
78
79#define CTF_STREAM_GET_FIELD(ctf_stream, field) \
80 ({ \
81 assert(CTF_STREAM_FIELD_IS_SET(ctf_stream, field)); \
82 (ctf_stream)->(field); \
83 })
84
c054553d 85struct ctf_stream {
96513a7f 86 struct ctf_trace *trace;
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87 /* parent is lexical scope conaining the stream scope */
88 struct type_scope *type_scope;
89 /* parent is trace scope */
90 struct declaration_scope *declaration_scope;
91 GPtrArray *events_by_id; /* Array of struct ctf_event pointers indexed by id */
96513a7f 92 GHashTable *event_quark_to_id; /* GQuark to numeric id */
fe21b943 93
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94 struct declaration_struct *event_header;
95 struct declaration_struct *event_context;
96 struct declaration_struct *packet_context;
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97
98 uint64_t stream_id;
99
100 enum { /* Fields populated mask */
101 CTF_STREAM_stream_id = (1 << 0),
102 } field_mask;
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103};
104
05628561 105#define CTF_EVENT_SET_FIELD(ctf_event, field) \
96513a7f 106 do { \
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107 (ctf_event)->field_mask |= CTF_EVENT_ ## field; \
108 } while (0)
109
110#define CTF_EVENT_FIELD_IS_SET(ctf_event, field) \
111 ((ctf_event)->field_mask & CTF_EVENT_ ## field)
112
113#define CTF_EVENT_GET_FIELD(ctf_event, field) \
114 ({ \
115 assert(CTF_EVENT_FIELD_IS_SET(ctf_event, field)); \
116 (ctf_event)->(field); \
117 })
118
c054553d 119struct ctf_event {
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120 /* stream mapped by stream_id */
121 struct ctf_stream *stream;
122 /* parent is lexical scope conaining the event scope */
123 struct type_scope *type_scope;
124 /* parent is stream scope */
125 struct declaration_scope *declaration_scope;
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126 struct declaration_struct *context;
127 struct declaration_struct *fields;
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128
129 GQuark name;
130 uint64_t id; /* Numeric identifier within the stream */
131 uint64_t stream_id;
132
133 enum { /* Fields populated mask */
134 CTF_EVENT_name = (1 << 0),
135 CTF_EVENT_id = (1 << 1),
136 CTF_EVENT_stream_id = (1 << 2),
137 } field_mask;
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138};
139
140#endif /* _BABELTRACE_CTF_METADATA_H */
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