ladish/daemon/cmd_new_studio.c

125 lines
3.3 KiB
C

/* -*- Mode: C ; c-basic-offset: 2 -*- */
/*
* LADI Session Handler (ladish)
*
* Copyright (C) 2009,2010,2011 Nedko Arnaudov <nedko@arnaudov.name>
*
**************************************************************************
* This file contains implementation of the "new studio" command
**************************************************************************
*
* LADI Session Handler is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* LADI Session Handler is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "cmd.h"
#include "studio_internal.h"
struct ladish_command_new_studio
{
struct ladish_command command; /* must be the first member */
char * studio_name;
};
#define cmd_ptr ((struct ladish_command_new_studio *)context)
static bool run(void * context)
{
ASSERT(cmd_ptr->command.state == LADISH_COMMAND_STATE_PENDING);
ASSERT(g_studio.name == NULL); /* the unload command that was queued should have been cleared here */
if (*cmd_ptr->studio_name != 0)
{
g_studio.name = cmd_ptr->studio_name;
cmd_ptr->studio_name = NULL;
}
else if (!ladish_studio_name_generate(&g_studio.name))
{
log_error("studio_name_generate() failed.");
return false;
}
if (!ladish_studio_publish())
{
log_error("studio_publish() failed.");
free(g_studio.name);
g_studio.name = NULL;
return false;
}
cmd_ptr->command.state = LADISH_COMMAND_STATE_DONE;
return true;
}
static void destructor(void * context)
{
log_info("studio name command destructor");
if (cmd_ptr->studio_name != NULL)
{
free(cmd_ptr->studio_name);
}
}
#undef cmd_ptr
bool ladish_command_new_studio(void * call_ptr, struct ladish_cqueue * queue_ptr, const char * studio_name)
{
struct ladish_command_new_studio * cmd_ptr;
char * studio_name_dup;
if (!ladish_command_unload_studio(call_ptr, queue_ptr))
{
goto fail;
}
studio_name_dup = strdup(studio_name);
if (studio_name_dup == NULL)
{
cdbus_error(call_ptr, DBUS_ERROR_FAILED, "strdup('%s') failed.", studio_name);
goto fail_drop_unload_command;
}
cmd_ptr = ladish_command_new(sizeof(struct ladish_command_new_studio));
if (cmd_ptr == NULL)
{
log_error("ladish_command_new() failed.");
goto fail_free_name;
}
cmd_ptr->command.run = run;
cmd_ptr->command.destructor = destructor;
cmd_ptr->studio_name = studio_name_dup;
if (!ladish_cqueue_add_command(queue_ptr, &cmd_ptr->command))
{
cdbus_error(call_ptr, DBUS_ERROR_FAILED, "ladish_cqueue_add_command() failed.");
goto fail_destroy_command;
}
return true;
fail_destroy_command:
free(cmd_ptr);
fail_free_name:
free(studio_name_dup);
fail_drop_unload_command:
ladish_cqueue_drop_command(queue_ptr);
fail:
return false;
}