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c054553d MD |
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> | |
bbefb8dd MD |
23 | #include <sys/types.h> |
24 | #include <dirent.h> | |
96513a7f MD |
25 | #include <uuid/uuid.h> |
26 | #include <assert.h> | |
c054553d MD |
27 | #include <glib.h> |
28 | ||
29 | struct ctf_trace; | |
30 | struct ctf_stream; | |
31 | struct ctf_event; | |
32 | ||
a0720417 | 33 | #define CTF_TRACE_SET_FIELD(ctf_trace, field) \ |
96513a7f | 34 | do { \ |
96513a7f MD |
35 | (ctf_trace)->field_mask |= CTF_TRACE_ ## field; \ |
36 | } while (0) | |
37 | ||
38 | #define CTF_TRACE_FIELD_IS_SET(ctf_trace, field) \ | |
39 | ((ctf_trace)->field_mask & CTF_TRACE_ ## field) | |
40 | ||
41 | #define CTF_TRACE_GET_FIELD(ctf_trace, field) \ | |
42 | ({ \ | |
43 | assert(CTF_TRACE_FIELD_IS_SET(ctf_trace, field)); \ | |
44 | (ctf_trace)->(field); \ | |
45 | }) | |
46 | ||
05628561 | 47 | |
c054553d | 48 | struct ctf_trace { |
05628561 | 49 | /* root scope */ |
f6625916 | 50 | struct declaration_scope *root_declaration_scope; |
05628561 | 51 | |
f6625916 | 52 | struct declaration_scope *declaration_scope; |
05628561 | 53 | GPtrArray *streams; /* Array of struct ctf_stream pointers*/ |
fe21b943 MD |
54 | |
55 | uint64_t major; | |
56 | uint64_t minor; | |
96513a7f | 57 | uuid_t uuid; |
ab4cf058 | 58 | int byte_order; |
96513a7f MD |
59 | |
60 | enum { /* Fields populated mask */ | |
61 | CTF_TRACE_major = (1U << 0), | |
62 | CTF_TRACE_minor = (1U << 1), | |
63 | CTF_TRACE_uuid = (1U << 2), | |
96513a7f | 64 | } field_mask; |
bbefb8dd MD |
65 | |
66 | /* Information about trace backing directory and files */ | |
67 | DIR *dir; | |
68 | int flags; /* open flags */ | |
c054553d MD |
69 | }; |
70 | ||
a0720417 | 71 | #define CTF_STREAM_SET_FIELD(ctf_stream, field) \ |
96513a7f | 72 | do { \ |
96513a7f MD |
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 | 85 | struct ctf_stream { |
96513a7f | 86 | struct ctf_trace *trace; |
05628561 | 87 | /* parent is lexical scope conaining the stream scope */ |
f6625916 | 88 | struct declaration_scope *declaration_scope; |
41253107 | 89 | /* innermost definition scope. to be used as parent of event. */ |
e1151715 | 90 | struct definition_scope *definition_scope; |
05628561 | 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 | |
9e29e16e MD |
94 | /* Declarations only used when parsing */ |
95 | struct declaration_struct *packet_context_decl; | |
96 | struct declaration_struct *event_header_decl; | |
97 | struct declaration_struct *event_context_decl; | |
98 | ||
99 | /* Definitions used afterward */ | |
100 | struct definition_struct *packet_context; | |
e1151715 MD |
101 | struct definition_struct *event_header; |
102 | struct definition_struct *event_context; | |
96513a7f MD |
103 | |
104 | uint64_t stream_id; | |
105 | ||
106 | enum { /* Fields populated mask */ | |
107 | CTF_STREAM_stream_id = (1 << 0), | |
108 | } field_mask; | |
bbefb8dd MD |
109 | |
110 | /* Information about stream backing file */ | |
111 | int fd; | |
112 | char *mmap; /* current stream mmap */ | |
113 | struct stream_pos pos; /* current stream position */ | |
c054553d MD |
114 | }; |
115 | ||
05628561 | 116 | #define CTF_EVENT_SET_FIELD(ctf_event, field) \ |
96513a7f | 117 | do { \ |
96513a7f MD |
118 | (ctf_event)->field_mask |= CTF_EVENT_ ## field; \ |
119 | } while (0) | |
120 | ||
121 | #define CTF_EVENT_FIELD_IS_SET(ctf_event, field) \ | |
122 | ((ctf_event)->field_mask & CTF_EVENT_ ## field) | |
123 | ||
124 | #define CTF_EVENT_GET_FIELD(ctf_event, field) \ | |
125 | ({ \ | |
126 | assert(CTF_EVENT_FIELD_IS_SET(ctf_event, field)); \ | |
127 | (ctf_event)->(field); \ | |
128 | }) | |
129 | ||
c054553d | 130 | struct ctf_event { |
05628561 MD |
131 | /* stream mapped by stream_id */ |
132 | struct ctf_stream *stream; | |
133 | /* parent is lexical scope conaining the event scope */ | |
f6625916 | 134 | struct declaration_scope *declaration_scope; |
9e29e16e MD |
135 | |
136 | /* Declarations only used when parsing */ | |
137 | struct declaration_struct *context_decl; | |
138 | struct declaration_struct *fields_decl; | |
139 | ||
140 | /* Definitions used afterward */ | |
e1151715 MD |
141 | struct definition_struct *context; |
142 | struct definition_struct *fields; | |
96513a7f MD |
143 | |
144 | GQuark name; | |
145 | uint64_t id; /* Numeric identifier within the stream */ | |
146 | uint64_t stream_id; | |
147 | ||
148 | enum { /* Fields populated mask */ | |
149 | CTF_EVENT_name = (1 << 0), | |
150 | CTF_EVENT_id = (1 << 1), | |
151 | CTF_EVENT_stream_id = (1 << 2), | |
152 | } field_mask; | |
c054553d MD |
153 | }; |
154 | ||
155 | #endif /* _BABELTRACE_CTF_METADATA_H */ |