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