include/lttng/condition/session-rotation-internal.h

   1 /*
   2  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_CONDITION_SESSION_ROTATION_INTERNAL_H
   9 #define LTTNG_CONDITION_SESSION_ROTATION_INTERNAL_H
  10
  11 #include <lttng/condition/session-rotation.h>
  12 #include <lttng/condition/condition-internal.h>
  13 #include <lttng/condition/evaluation-internal.h>
  14 #include "common/buffer-view.h"
  15 #include <lttng/location.h>
  16 #include <common/macros.h>
  17
  18 struct lttng_condition_session_rotation {
  19         struct lttng_condition parent;
  20         char *session_name;
  21 };
  22
  23 struct lttng_condition_session_rotation_comm {
  24         /* Length includes the trailing \0. */
  25         uint32_t session_name_len;
  26         char session_name[];
  27 } LTTNG_PACKED;
  28
  29 struct lttng_evaluation_session_rotation {
  30         struct lttng_evaluation parent;
  31         uint64_t id;
  32         struct lttng_trace_archive_location *location;
  33 };
  34
  35 struct lttng_evaluation_session_rotation_comm {
  36         uint64_t id;
  37         uint8_t has_location;
  38 } LTTNG_PACKED;
  39
  40 LTTNG_HIDDEN
  41 ssize_t lttng_condition_session_rotation_ongoing_create_from_payload(
  42                 struct lttng_payload_view *view,
  43                 struct lttng_condition **condition);
  44
  45 LTTNG_HIDDEN
  46 ssize_t lttng_condition_session_rotation_completed_create_from_payload(
  47                 struct lttng_payload_view *view,
  48                 struct lttng_condition **condition);
  49
  50 LTTNG_HIDDEN
  51 struct lttng_evaluation *lttng_evaluation_session_rotation_ongoing_create(
  52                  uint64_t id);
  53
  54 /* Ownership of location is transferred to the evaluation. */
  55 LTTNG_HIDDEN
  56 struct lttng_evaluation *lttng_evaluation_session_rotation_completed_create(
  57                 uint64_t id,
  58                 struct lttng_trace_archive_location *location);
  59
  60 LTTNG_HIDDEN
  61 ssize_t lttng_evaluation_session_rotation_ongoing_create_from_payload(
  62                 struct lttng_payload_view *view,
  63                 struct lttng_evaluation **evaluation);
  64
  65 LTTNG_HIDDEN
  66 ssize_t lttng_evaluation_session_rotation_completed_create_from_payload(
  67                 struct lttng_payload_view *view,
  68                 struct lttng_evaluation **evaluation);
  69
  70 #endif /* LTTNG_CONDITION_SESSION_ROTATION_INTERNAL_H */