src/bin/lttng-sessiond/ust-registry-session-pid.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_UST_REGISTRY_SESSION_PID_H
   9 #define LTTNG_UST_REGISTRY_SESSION_PID_H
  10
  11 #include "trace-class.hpp"
  12 #include "ust-registry-session.hpp"
  13
  14 #include <cstdint>
  15 #include <ctime>
  16 #include <lttng/lttng.h>
  17 #include <string>
  18 #include <unistd.h>
  19
  20 namespace lttng {
  21 namespace sessiond {
  22 namespace ust {
  23
  24 class registry_session_per_pid : public registry_session {
  25 public:
  26         registry_session_per_pid(const struct ust_app& app,
  27                         const struct lttng::sessiond::trace::abi& trace_abi,
  28                         uint32_t major,
  29                         uint32_t minor,
  30                         const char *root_shm_path,
  31                         const char *shm_path,
  32                         uid_t euid,
  33                         gid_t egid,
  34                         uint64_t tracing_id);
  35
  36         virtual lttng_buffer_type get_buffering_scheme() const noexcept override final;
  37
  38 private:
  39         virtual void _visit_environment(
  40                         lttng::sessiond::trace::trace_class_visitor& trace_class_visitor)
  41                         const override final;
  42
  43         const unsigned int _tracer_patch_level_version;
  44         const pid_t _vpid;
  45         const std::string _procname;
  46         const std::time_t _app_creation_time;
  47 };
  48
  49 } /* namespace ust */
  50 } /* namespace sessiond */
  51 } /* namespace lttng */
  52
  53 #endif /* LTTNG_UST_REGISTRY_SESSION_PID_H */