lib/babeltrace/ctf/events-internal.h

   1 #ifndef _BABELTRACE_CTF_EVENTS_INTERNAL_H
   2 #define _BABELTRACE_CTF_EVENTS_INTERNAL_H
   3
   4 /*
   5  * BabelTrace
   6  *
   7  * CTF events API (internal)
   8  *
   9  * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
  10  *
  11  * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  12  *         Julien Desfossez <julien.desfossez@efficios.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining
  15  * a copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sublicense, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice shall be
  23  * included in all copies or substantial portions of the Software.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  26  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  27  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  28  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  29  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  30  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33
  34 #include <babeltrace/iterator-internal.h>
  35 #include <babeltrace/ctf/callbacks.h>
  36 #include <babeltrace/ctf/callbacks-internal.h>
  37 #include <babeltrace/ctf-ir/metadata.h>
  38 #include <glib.h>
  39
  40 struct ctf_stream_definition;
  41
  42 /*
  43  * These structures are public mappings to internal ctf_event structures.
  44  */
  45 struct bt_ctf_event {
  46         struct ctf_event_definition *parent;
  47 };
  48
  49 struct bt_ctf_event_decl {
  50         struct ctf_event_declaration parent;
  51         GPtrArray *context_decl;
  52         GPtrArray *fields_decl;
  53         GPtrArray *packet_header_decl;
  54         GPtrArray *event_context_decl;
  55         GPtrArray *event_header_decl;
  56         GPtrArray *packet_context_decl;
  57 };
  58
  59 struct bt_ctf_iter {
  60         struct bt_iter parent;
  61         struct bt_ctf_event current_ctf_event;  /* last read event */
  62         GArray *callbacks;                              /* Array of struct bt_stream_callbacks */
  63         struct bt_callback_chain main_callbacks;        /* For all events */
  64         /*
  65          * Flag indicating if dependency graph needs to be recalculated.
  66          * Set by bt_iter_add_callback(), and checked (and
  67          * cleared) by upon entry into bt_iter_read_event().
  68          * bt_iter_read_event() is responsible for calling dep
  69          * graph calculation if it sees this flag set.
  70          */
  71         int recalculate_dep_graph;
  72         /*
  73          * Array of pointers to struct bt_dependencies, for garbage
  74          * collection. We're not using a linked list here because each
  75          * struct bt_dependencies can belong to more than one
  76          * bt_iter.
  77          */
  78         GPtrArray *dep_gc;
  79         uint64_t events_lost;
  80 };
  81
  82 void ctf_update_current_packet_index(struct ctf_stream_definition *stream,
  83                 struct packet_index *prev_index,
  84                 struct packet_index *cur_index);
  85
  86 #endif /*_BABELTRACE_CTF_EVENTS_INTERNAL_H */