ladish/dbus/interface.c

81 lines
2.6 KiB
C

/* -*- Mode: C ; c-basic-offset: 2 -*- */
/*
* LADI Session Handler (ladish)
*
* Copyright (C) 2008, 2009 Nedko Arnaudov <nedko@arnaudov.name>
* Copyright (C) 2008 Juuso Alasuutari <juuso.alasuutari@gmail.com>
*
**************************************************************************
* This file contains D-Bus interface dispatcher
**************************************************************************
*
* Licensed under the Academic Free License version 2.1
*
* 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 <string.h>
#include "../common/debug.h"
#include "interface.h"
#include "error.h"
#include "object_path.h"
/*
* Execute a method's function if the method specified in the method call
* object exists in the method array. Return true if the method was found,
* false otherwise.
* TODO: rewrite description ^
*/
bool
interface_default_handler(const interface_t *interface,
method_call_t *call)
{
const method_t *ptr;
for (ptr = (const method_t *) interface->methods;
ptr && ptr->name;
++ptr) {
if (strcmp(call->method_name, ptr->name) == 0) {
if (ptr->handler) {
call->interface = interface;
call->context = ((struct dbus_object_path *)call->context)->context;
ptr->handler(call);
/* If the method handler didn't construct a return
message create a void one here */
// TODO: Also handle cases where the sender doesn't need a reply
if (!call->reply
&& !(call->reply = dbus_message_new_method_return(call->message))) {
lash_error("Failed to construct void method return");
}
} else {
lash_dbus_error(call, LASH_DBUS_ERROR_GENERIC,
"Handler for method \"%s\" is NULL", ptr->name);
}
/* Found method */
return true;
}
}
/* Didn't find method */
return false;
}
/* EOF */