daemon/cmd.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains interface to the command queue stuff
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it 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  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #ifndef CMD_H__28542C9B_7CB8_40F8_BBB6_DCE13CBB1E7F__INCLUDED
  28 #define CMD_H__28542C9B_7CB8_40F8_BBB6_DCE13CBB1E7F__INCLUDED
  29
  30 #include "common.h"
  31
  32 #define LADISH_COMMAND_STATE_PREPARE     0
  33 #define LADISH_COMMAND_STATE_PENDING     1
  34 #define LADISH_COMMAND_STATE_WAITING     2
  35 #define LADISH_COMMAND_STATE_DONE        3
  36
  37 struct ladish_command
  38 {
  39   struct list_head siblings;
  40
  41   unsigned int state;
  42   bool cancel;
  43
  44   void * context;
  45   bool (* run)(void * context);
  46   void (* destructor)(void * context);
  47 };
  48
  49 struct ladish_cqueue
  50 {
  51   bool cancel;
  52   struct list_head queue;
  53 };
  54
  55 void ladish_cqueue_init(struct ladish_cqueue * queue_ptr);
  56 void ladish_cqueue_run(struct ladish_cqueue * queue_ptr);
  57 void ladish_cqueue_cancel(struct ladish_cqueue * queue_ptr);
  58 bool ladish_cqueue_add_command(struct ladish_cqueue * queue_ptr, struct ladish_command * command_ptr);
  59 void ladish_cqueue_drop_command(struct ladish_cqueue * queue_ptr);
  60 void ladish_cqueue_clear(struct ladish_cqueue * queue_ptr);
  61
  62 void * ladish_command_new(size_t size);
  63
  64 bool ladish_command_new_studio(void * call_ptr, struct ladish_cqueue * queue_ptr, const char * studio_name);
  65 bool ladish_command_load_studio(void * call_ptr, struct ladish_cqueue * queue_ptr, const char * studio_name);
  66 bool ladish_command_rename_studio(void * call_ptr, struct ladish_cqueue * queue_ptr, const char * studio_name);
  67 bool ladish_command_save_studio(void * call_ptr, struct ladish_cqueue * queue_ptr);
  68 bool ladish_command_start_studio(void * call_ptr, struct ladish_cqueue * queue_ptr);
  69 bool ladish_command_stop_studio(void * call_ptr, struct ladish_cqueue * queue_ptr);
  70 bool ladish_command_unload_studio(void * call_ptr, struct ladish_cqueue * queue_ptr);
  71 bool ladish_command_exit(void * call_ptr, struct ladish_cqueue * queue_ptr);
  72
  73 #endif /* #ifndef CMD_H__28542C9B_7CB8_40F8_BBB6_DCE13CBB1E7F__INCLUDED */