event-class.hpp

   1 /*
   2  * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_EVENT_CLASS_H
   9 #define LTTNG_EVENT_CLASS_H
  10
  11 #include "field.hpp"
  12
  13 #include <common/uuid.hpp>
  14
  15 #include <vendor/optional.hpp>
  16
  17 #include <string>
  18
  19 namespace lttng {
  20 namespace sessiond {
  21 namespace trace {
  22
  23 class trace_class_visitor;
  24
  25 class event_class {
  26 public:
  27         event_class(const event_class&) = delete;
  28         event_class(event_class&&) = delete;
  29         event_class& operator=(event_class&&) = delete;
  30         event_class& operator=(const event_class&) = delete;
  31         virtual ~event_class() = default;
  32
  33         virtual void accept(trace_class_visitor& visitor) const;
  34
  35         const unsigned int id;
  36         const unsigned int stream_class_id;
  37         const int log_level;
  38         const std::string name;
  39         const nonstd::optional<std::string> model_emf_uri;
  40         const lttng::sessiond::trace::type::cuptr payload;
  41
  42 protected:
  43         event_class(unsigned int id,
  44                     unsigned int stream_class_id,
  45                     int log_level,
  46                     std::string name,
  47                     nonstd::optional<std::string> model_emf_uri,
  48                     lttng::sessiond::trace::type::cuptr payload);
  49 };
  50
  51 } /* namespace trace */
  52 } /* namespace sessiond */
  53 } /* namespace lttng */
  54
  55 #endif /* LTTNG_EVENT_CLASS_H */