#include <config.h>

#include <stdlib.h>

#ifdef HAVE_SYSTEMD

#include <systemd/sd-login.h>

#endif

#include "application.h"

#include "systemd.h"

bool

procman::systemd_logind_running()

{

#ifdef HAVE_SYSTEMD

  static bool init;

  static bool is_running;

  if (!init) {

    /* check if logind is running */

    if (access("/run/systemd/seats/", F_OK) >= 0) {

      is_running = true;

    }

    init = true;

  }

  return is_running;

#else

  return false;

#endif

}

void

procman::get_process_systemd_info(ProcInfo *info)

{

#ifdef HAVE_SYSTEMD

    uid_t uid;

    if (!systemd_logind_running())

        return;

    char* unit = NULL;

    sd_pid_get_unit(info->pid, &unit);

    info->unit = make_string(unit);

    char* session = NULL;

    sd_pid_get_session(info->pid, &session);

    info->session = make_string(session);

    if (!info->session.empty()) {

      char* seat = NULL;

      sd_session_get_seat(info->session.c_str(), &seat;;

      info->seat = make_string(seat);

    }

    if (sd_pid_get_owner_uid(info->pid, &uid) >= 0)

        info->owner = info->lookup_user(uid);

    else

        info->owner = "";

#endif

}