plugins/ctf/fs/data-stream.h

   1 #ifndef CTF_FS_DATA_STREAM_H
   2 #define CTF_FS_DATA_STREAM_H
   3
   4 /*
   5  * Copyright 2016 - Philippe Proulx <pproulx@efficios.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include <stdio.h>
  27 #include <glib.h>
  28 #include <babeltrace/babeltrace-internal.h>
  29 #include <babeltrace/ctf-ir/trace.h>
  30
  31 #include "../common/notif-iter/notif-iter.h"
  32 #include "lttng-index.h"
  33
  34 struct ctf_fs_component;
  35 struct ctf_fs_file;
  36 struct ctf_fs_stream;
  37
  38 struct index_entry {
  39         uint64_t offset; /* in bytes. */
  40         uint64_t packet_size; /* in bytes. */
  41         /* relative to the packet context field's mapped clock. */
  42         uint64_t timestamp_begin, timestamp_end;
  43 };
  44
  45 struct index {
  46         GArray *entries; /* Array of struct index_entry. */
  47 };
  48
  49 BT_HIDDEN
  50 struct ctf_fs_stream *ctf_fs_stream_create(
  51                 struct ctf_fs_component *ctf_fs, const char *path);
  52
  53 BT_HIDDEN
  54 void ctf_fs_stream_destroy(struct ctf_fs_stream *stream);
  55
  56 BT_HIDDEN
  57 int ctf_fs_data_stream_open_streams(struct ctf_fs_component *ctf_fs);
  58
  59 BT_HIDDEN
  60 struct bt_notification_iterator_next_return ctf_fs_stream_next(
  61                 struct ctf_fs_stream *stream);
  62
  63 #endif /* CTF_FS_DATA_STREAM_H */