include/babeltrace/ctf-ir/stream-internal.h

   1 #ifndef BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H
   2 #define BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H
   3
   4 /*
   5  * BabelTrace - CTF Writer: Stream internal
   6  *
   7  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   8  *
   9  * Author: Jérémie Galarneau <jeremie.galarneau@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  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <babeltrace/ctf-ir/stream.h>
  31 #include <babeltrace/object-internal.h>
  32 #include <babeltrace/ctf-writer/clock.h>
  33 #include <babeltrace/ctf-writer/event-fields.h>
  34 #include <babeltrace/ctf-writer/event-types.h>
  35 #include <babeltrace/ctf-writer/serialize-internal.h>
  36 #include <babeltrace/babeltrace-internal.h>
  37 #include <babeltrace/assert-internal.h>
  38 #include <glib.h>
  39
  40 struct bt_port;
  41 struct bt_component;
  42
  43 typedef void (*bt_stream_destroy_listener_func)(
  44                 struct bt_stream *stream, void *data);
  45
  46 struct bt_stream_destroy_listener {
  47         bt_stream_destroy_listener_func func;
  48         void *data;
  49 };
  50
  51 struct bt_stream {
  52         struct bt_object base;
  53         int64_t id;
  54         struct bt_stream_class *stream_class;
  55         GString *name;
  56         struct bt_field *packet_header;
  57         struct bt_field *packet_context;
  58
  59         /* Writer-specific members. */
  60         /* Array of pointers to bt_event for the current packet */
  61         GPtrArray *events;
  62         struct bt_stream_pos pos;
  63         unsigned int flushed_packet_count;
  64         uint64_t discarded_events;
  65         uint64_t size;
  66         uint64_t last_ts_end;
  67
  68         /* Array of struct bt_stream_destroy_listener */
  69         GArray *destroy_listeners;
  70 };
  71
  72 BT_HIDDEN
  73 int bt_stream_set_fd(struct bt_stream *stream, int fd);
  74
  75 BT_HIDDEN
  76 void bt_stream_add_destroy_listener(struct bt_stream *stream,
  77                 bt_stream_destroy_listener_func func, void *data);
  78
  79 BT_HIDDEN
  80 void bt_stream_remove_destroy_listener(struct bt_stream *stream,
  81                 bt_stream_destroy_listener_func func, void *data);
  82
  83 static inline
  84 struct bt_stream_class *bt_stream_borrow_stream_class(
  85                 struct bt_stream *stream)
  86 {
  87         BT_ASSERT(stream);
  88         return stream->stream_class;
  89 }
  90
  91 #endif /* BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H */