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 #ifdef __cplusplus
  19 extern "C" {
  20 #endif
  21
  22 struct lttng_condition_session_rotation {
  23         struct lttng_condition parent;
  24         char *session_name;
  25 };
  26
  27 struct lttng_condition_session_rotation_comm {
  28         /* Length includes the trailing \0. */
  29         uint32_t session_name_len;
  30         char session_name[];
  31 } LTTNG_PACKED;
  32
  33 struct lttng_evaluation_session_rotation {
  34         struct lttng_evaluation parent;
  35         uint64_t id;
  36         struct lttng_trace_archive_location *location;
  37 };
  38
  39 struct lttng_evaluation_session_rotation_comm {
  40         uint64_t id;
  41         uint8_t has_location;
  42 } LTTNG_PACKED;
  43
  44 ssize_t lttng_condition_session_rotation_ongoing_create_from_payload(
  45                 struct lttng_payload_view *view,
  46                 struct lttng_condition **condition);
  47
  48 ssize_t lttng_condition_session_rotation_completed_create_from_payload(
  49                 struct lttng_payload_view *view,
  50                 struct lttng_condition **condition);
  51
  52 struct lttng_evaluation *lttng_evaluation_session_rotation_ongoing_create(
  53                  uint64_t id);
  54
  55 /* Ownership of location is transferred to the evaluation. */
  56 struct lttng_evaluation *lttng_evaluation_session_rotation_completed_create(
  57                 uint64_t id,
  58                 struct lttng_trace_archive_location *location);
  59
  60 ssize_t lttng_evaluation_session_rotation_ongoing_create_from_payload(
  61                 struct lttng_payload_view *view,
  62                 struct lttng_evaluation **evaluation);
  63
  64 ssize_t lttng_evaluation_session_rotation_completed_create_from_payload(
  65                 struct lttng_payload_view *view,
  66                 struct lttng_evaluation **evaluation);
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #endif /* LTTNG_CONDITION_SESSION_ROTATION_INTERNAL_H */