145 lines
4.3 KiB
C
145 lines
4.3 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2010,2011 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains implementation of the "remove app" command
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**************************************************************************
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*
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* LADI Session Handler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* LADI Session Handler is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <ctype.h>
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#include "cmd.h"
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#include "studio.h"
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#include "../proxies/notify_proxy.h"
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#include "virtualizer.h"
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struct ladish_command_remove_app
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{
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struct ladish_command command; /* must be the first member */
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char * opath;
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uint64_t id;
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};
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#define cmd_ptr ((struct ladish_command_remove_app *)context)
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static bool run(void * context)
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{
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ladish_app_supervisor_handle supervisor;
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ladish_app_handle app;
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const char * app_name;
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uuid_t app_uuid;
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ASSERT(cmd_ptr->command.state == LADISH_COMMAND_STATE_PENDING);
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log_info("remove app command. opath='%s'", cmd_ptr->opath);
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supervisor = ladish_studio_find_app_supervisor(cmd_ptr->opath);
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if (supervisor == NULL)
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{
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log_error("cannot find supervisor '%s' to remove app from", cmd_ptr->opath);
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ladish_notify_simple(LADISH_NOTIFY_URGENCY_HIGH, "Cannot remove app because of internal error (unknown supervisor)", NULL);
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return false;
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}
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app = ladish_app_supervisor_find_app_by_id(supervisor, cmd_ptr->id);
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if (app == NULL)
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{
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log_error("App with ID %"PRIu64" not found and (remove)", cmd_ptr->id);
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ladish_notify_simple(LADISH_NOTIFY_URGENCY_HIGH, "Cannot remove app because it is not found", NULL);
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return false;
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}
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app_name = ladish_app_get_name(app);
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ladish_app_get_uuid(app, app_uuid);
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if (ladish_app_is_running(app))
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{
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if (cmd_ptr->command.state == LADISH_COMMAND_STATE_PENDING)
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{
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log_info("App %s is not stopped as it should", app_name);
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ladish_notify_simple(LADISH_NOTIFY_URGENCY_HIGH, "Cannot remove app because it is not stopped (because of internal error)", NULL);
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}
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return false;
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}
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/* remove jclient and vclient for this app */
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log_info("Removing graph objects for app '%s'", app_name);
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ladish_virtualizer_remove_app(ladish_studio_get_jack_graph(), app_uuid, app_name);
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ladish_app_supervisor_remove_app(supervisor, app);
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cmd_ptr->command.state = LADISH_COMMAND_STATE_DONE;
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return true;
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}
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static void destructor(void * context)
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{
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log_info("remove_app command destructor");
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free(cmd_ptr->opath);
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}
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#undef cmd_ptr
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bool ladish_command_remove_app(void * call_ptr, struct ladish_cqueue * queue_ptr, const char * opath, uint64_t id)
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{
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struct ladish_command_remove_app * cmd_ptr;
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char * opath_dup;
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if (!ladish_command_change_app_state(call_ptr, queue_ptr, opath, id, LADISH_APP_STATE_STOPPED))
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{
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goto fail;
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}
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opath_dup = strdup(opath);
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if (opath_dup == NULL)
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{
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cdbus_error(call_ptr, DBUS_ERROR_FAILED, "strdup('%s') failed.", opath);
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goto fail_drop_stop_command;
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}
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cmd_ptr = ladish_command_new(sizeof(struct ladish_command_remove_app));
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if (cmd_ptr == NULL)
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{
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cdbus_error(call_ptr, DBUS_ERROR_FAILED, "ladish_command_new() failed.");
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goto fail_free_opath;
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}
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cmd_ptr->command.run = run;
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cmd_ptr->command.destructor = destructor;
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cmd_ptr->opath = opath_dup;
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cmd_ptr->id = id;
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if (!ladish_cqueue_add_command(queue_ptr, &cmd_ptr->command))
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{
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cdbus_error(call_ptr, DBUS_ERROR_FAILED, "ladish_cqueue_add_command() failed.");
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goto fail_destroy_command;
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}
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return true;
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fail_destroy_command:
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free(cmd_ptr);
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fail_free_opath:
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free(opath_dup);
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fail_drop_stop_command:
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ladish_cqueue_drop_command(queue_ptr);
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fail:
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return false;
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}
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