src/logind-session.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #ifndef foologindsessionhfoo
   4 #define foologindsessionhfoo
   5
   6 /***
   7   This file is part of systemd.
   8
   9   Copyright 2011 Lennart Poettering
  10
  11   systemd is free software; you can redistribute it and/or modify it
  12   under the terms of the GNU General Public License as published by
  13   the Free Software Foundation; either version 2 of the License, or
  14   (at your option) any later version.
  15
  16   systemd is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU General Public License
  22   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  23 ***/
  24
  25 typedef struct Session Session;
  26
  27 #include "list.h"
  28 #include "util.h"
  29 #include "logind.h"
  30 #include "logind-seat.h"
  31 #include "logind-user.h"
  32
  33 typedef enum SessionType {
  34         SESSION_UNSPECIFIED,
  35         SESSION_TTY,
  36         SESSION_X11,
  37         _SESSION_TYPE_MAX,
  38         _SESSION_TYPE_INVALID = -1
  39 } SessionType;
  40
  41 struct Session {
  42         Manager *manager;
  43
  44         char *id;
  45         SessionType type;
  46
  47         char *state_file;
  48
  49         User *user;
  50
  51         dual_timestamp timestamp;
  52
  53         char *tty;
  54         char *display;
  55
  56         bool remote;
  57         char *remote_user;
  58         char *remote_host;
  59
  60         char *service;
  61
  62         int vtnr;
  63         Seat *seat;
  64
  65         pid_t leader;
  66         uint32_t audit_id;
  67
  68         int fifo_fd;
  69         char *fifo_path;
  70
  71         char *cgroup_path;
  72         char **controllers, **reset_controllers;
  73
  74         bool idle_hint;
  75         dual_timestamp idle_hint_timestamp;
  76
  77         bool kill_processes;
  78         bool in_gc_queue:1;
  79         bool started:1;
  80
  81         LIST_FIELDS(Session, sessions_by_user);
  82         LIST_FIELDS(Session, sessions_by_seat);
  83
  84         LIST_FIELDS(Session, gc_queue);
  85 };
  86
  87 Session *session_new(Manager *m, User *u, const char *id);
  88 void session_free(Session *s);
  89 int session_check_gc(Session *s, bool drop_not_started);
  90 void session_add_to_gc_queue(Session *s);
  91 int session_activate(Session *s);
  92 bool session_is_active(Session *s);
  93 int session_get_idle_hint(Session *s, dual_timestamp *t);
  94 void session_set_idle_hint(Session *s, bool b);
  95 int session_create_fifo(Session *s);
  96 void session_remove_fifo(Session *s);
  97 int session_start(Session *s);
  98 int session_stop(Session *s);
  99 int session_save(Session *s);
 100 int session_load(Session *s);
 101
 102 char *session_bus_path(Session *s);
 103
 104 extern const DBusObjectPathVTable bus_session_vtable;
 105
 106 int session_send_signal(Session *s, bool new_session);
 107 int session_send_changed(Session *s, const char *properties);
 108 int session_send_lock(Session *s, bool lock);
 109
 110 const char* session_type_to_string(SessionType t);
 111 SessionType session_type_from_string(const char *s);
 112
 113 #endif