include/lttng-kconsumerd.h

   1 /*
   2  * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
   3  *                      David Goulet <david.goulet@polymtl.ca>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; only verion 2
   8  * of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18  */
  19
  20 #ifndef _LTTNG_KCONSUMERD_H
  21 #define _LTTNG_KCONSUMERD_H
  22
  23 #include <lttng-sessiond-comm.h>
  24 #include "lttng-share.h"
  25
  26 /* Kernel consumer path */
  27 #define KCONSUMERD_PATH                                 LTTNG_RUNDIR "/kconsumerd"
  28 #define KCONSUMERD_CMD_SOCK_PATH                        KCONSUMERD_PATH "/command"
  29 #define KCONSUMERD_ERR_SOCK_PATH                        KCONSUMERD_PATH "/error"
  30
  31 /* Commands for kconsumerd */
  32 enum kconsumerd_command {
  33         ADD_STREAM,
  34         UPDATE_STREAM, /* pause, delete, active depending on fd state */
  35         STOP, /* inform the kconsumerd to quit when all fd has hang up */
  36 };
  37
  38 /* State of each fd in consumerd */
  39 enum kconsumerd_fd_state {
  40         ACTIVE_FD,
  41         PAUSE_FD,
  42         DELETE_FD,
  43 };
  44
  45 #endif /* _LTTNG_KCONSUMERD_H */