include/babeltrace/ctf/metadata.h

   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>
  23 #include <glib.h>
  24
  25 struct ctf_trace;
  26 struct ctf_stream;
  27 struct ctf_event;
  28
  29 struct ctf_trace {
  30         struct declaration_scope *scope;        /* root scope */
  31         GArray *streams;        /* Array of struct ctf_stream */
  32
  33         uint64_t major;
  34         uint64_t minor;
  35         uint8_t uuid[16];
  36         uint64_t word_size;
  37 };
  38
  39 struct ctf_stream {
  40         struct declaration_scope *scope;        /* parent is trace scope */
  41         GArray *events_by_id;   /* Array of struct ctf_event indexed by id */
  42         GHashTable *event_quark_to_id;  /* GQuark to numeric id */
  43
  44         uint64_t stream_id;
  45         struct declaration_struct *event_header;
  46         struct declaration_struct *event_context;
  47         struct declaration_struct *packet_context;
  48 };
  49
  50 struct ctf_event {
  51         struct declaration_scope *scope;        /* parent is stream scope */
  52         GQuark name;
  53         uint64_t id;    /* Numeric identifier within the stream */
  54         uint64_t stream_id;
  55         struct declaration_struct *context;
  56         struct declaration_struct *fields;
  57 };
  58
  59 #endif /* _BABELTRACE_CTF_METADATA_H */