daemon/cmd_unload_studio.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2009,2010,2011 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains implementation of the "unload studio" command
   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 #include "cmd.h"
  28 #include "studio_internal.h"
  29 #include "control.h"
  30 #include "../proxies/notify_proxy.h"
  31
  32 #define cmd_ptr ((struct ladish_command *)context)
  33
  34 static bool run(void * context)
  35 {
  36   ASSERT(cmd_ptr->state == LADISH_COMMAND_STATE_PENDING);
  37
  38   ladish_studio_clear();
  39
  40   cmd_ptr->state = LADISH_COMMAND_STATE_DONE;
  41   return true;
  42 }
  43
  44 #undef cmd_ptr
  45
  46 bool ladish_command_unload_studio(void * call_ptr, struct ladish_cqueue * queue_ptr)
  47 {
  48   struct ladish_command * cmd_ptr;
  49
  50   if (!ladish_command_stop_studio(call_ptr, queue_ptr))
  51   {
  52     goto fail;
  53   }
  54
  55   cmd_ptr = ladish_command_new(sizeof(struct ladish_command));
  56   if (cmd_ptr == NULL)
  57   {
  58     log_error("ladish_command_new() failed.");
  59     goto fail_drop_stop_command;
  60   }
  61
  62   cmd_ptr->run = run;
  63
  64   if (!ladish_cqueue_add_command(queue_ptr, cmd_ptr))
  65   {
  66     cdbus_error(call_ptr, DBUS_ERROR_FAILED, "ladish_cqueue_add_command() failed.");
  67     goto fail_destroy_command;
  68   }
  69
  70   return true;
  71
  72 fail_destroy_command:
  73   free(cmd_ptr);
  74
  75 fail_drop_stop_command:
  76   ladish_cqueue_drop_command(queue_ptr);
  77
  78 fail:
  79   return false;
  80 }