daemon/cmd_rename_studio.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2009, 2010 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains implementation of the "rename 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
  30 struct ladish_command_rename_studio
  31 {
  32   struct ladish_command command; /* must be the first member */
  33   char * studio_name;
  34 };
  35
  36 #define cmd_ptr ((struct ladish_command_rename_studio *)context)
  37
  38 static bool run(void * context)
  39 {
  40   ASSERT(cmd_ptr->command.state == LADISH_COMMAND_STATE_PENDING);
  41
  42   if (g_studio.name == NULL)
  43   {
  44     log_error("cannot rename not loaded studio");
  45     return false;
  46   }
  47
  48   free(g_studio.name);
  49   g_studio.name = cmd_ptr->studio_name;
  50   cmd_ptr->studio_name = NULL;
  51   ladish_studio_emit_renamed();
  52   cmd_ptr->command.state = LADISH_COMMAND_STATE_DONE;
  53   return true;
  54 }
  55
  56 static void destructor(void * context)
  57 {
  58   log_info("rename studio command destructor");
  59   if (cmd_ptr->studio_name != NULL)
  60   {
  61     free(cmd_ptr->studio_name);
  62   }
  63 }
  64
  65 #undef cmd_ptr
  66
  67 bool ladish_command_rename_studio(void * call_ptr, struct ladish_cqueue * queue_ptr, const char * studio_name)
  68 {
  69   struct ladish_command_rename_studio * cmd_ptr;
  70   char * studio_name_dup;
  71
  72   studio_name_dup = strdup(studio_name);
  73   if (studio_name_dup == NULL)
  74   {
  75     lash_dbus_error(call_ptr, LASH_DBUS_ERROR_GENERIC, "strdup('%s') failed.", studio_name);
  76     goto fail;
  77   }
  78
  79   cmd_ptr = ladish_command_new(sizeof(struct ladish_command_rename_studio));
  80   if (cmd_ptr == NULL)
  81   {
  82     log_error("ladish_command_new() failed.");
  83     goto fail_free_name;
  84   }
  85
  86   cmd_ptr->command.run = run;
  87   cmd_ptr->command.destructor = destructor;
  88   cmd_ptr->studio_name = studio_name_dup;
  89
  90   if (!ladish_cqueue_add_command(queue_ptr, &cmd_ptr->command))
  91   {
  92     lash_dbus_error(call_ptr, LASH_DBUS_ERROR_GENERIC, "ladish_cqueue_add_command() failed.");
  93     goto fail_destroy_command;
  94   }
  95
  96   return true;
  97
  98 fail_destroy_command:
  99   free(cmd_ptr);
 100
 101 fail_free_name:
 102   free(studio_name_dup);
 103
 104 fail:
 105   return false;
 106 }