src/bin/lttng-sessiond/ust-registry-event.cpp

   1 /*
   2  * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #include "ust-registry-event.hpp"
   9
  10 #include <common/make-unique.hpp>
  11
  12 #include <urcu/rculfhash.h>
  13
  14 namespace lst = lttng::sessiond::trace;
  15 namespace lsu = lttng::sessiond::ust;
  16
  17 lsu::registry_event::registry_event(unsigned int in_id,
  18                 unsigned int in_stream_class_id,
  19                 int in_session_objd,
  20                 int in_channel_objd,
  21                 std::string in_name,
  22                 std::string in_signature,
  23                 std::vector<lttng::sessiond::trace::field::cuptr> in_fields,
  24                 int in_loglevel_value,
  25                 nonstd::optional<std::string> in_model_emf_uri) :
  26         lst::event_class(in_id,
  27                         in_stream_class_id,
  28                         in_loglevel_value,
  29                         std::move(in_name),
  30                         std::move(in_model_emf_uri),
  31                         lttng::make_unique<lst::structure_type>(0, std::move(in_fields))),
  32         session_objd{in_session_objd},
  33         channel_objd{in_channel_objd},
  34         signature{std::move(in_signature)},
  35         _metadata_dumped{false}
  36 {
  37         cds_lfht_node_init(&this->_node.node);
  38 }
  39
  40 /*
  41  * Free event data structure. This does NOT delete it from any hash table. It's
  42  * safe to pass a NULL pointer. This should be called inside a call RCU if the
  43  * event is previously deleted from a rcu hash table.
  44  */
  45 void lsu::registry_event_destroy(lsu::registry_event *event)
  46 {
  47         delete event;
  48 }