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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <fusiondale.h>
#include <direct/debug.h>
#include <direct/interface.h>
#include <direct/messages.h>
#include <voodoo/interface.h>
#include <voodoo/manager.h>
#include <voodoo/message.h>
#include <coma/coma.h>
#include <coma/policy.h>
#include <coma/icoma.h>
#include "icoma_dispatcher.h"
static DirectResult Probe( void );
static DirectResult Construct( IComa *thiz,
IComa *real,
VoodooManager *manager,
VoodooInstanceID super,
void *arg, /* Optional arguments to constructor */
VoodooInstanceID *ret_instance );
#include <direct/interface_implementation.h>
DIRECT_INTERFACE_IMPLEMENTATION( IComa, Dispatcher )
/**************************************************************************************************/
/*
* private data struct of IComa_Dispatcher
*/
typedef struct {
int ref; /* reference counter */
IComa *real;
VoodooInstanceID super;
VoodooInstanceID self;
VoodooManager *manager;
char *name;
} IComa_Dispatcher_data;
/**************************************************************************************************/
static void
IComa_Dispatcher_Destruct( IComa *thiz )
{
IComa_Dispatcher_data *data;
D_DEBUG( "%s (%p)\n", __FUNCTION__, thiz );
data = thiz->priv;
D_FREE( data->name );
voodoo_manager_unregister_local( data->manager, data->self );
data->real->Release( data->real );
DIRECT_DEALLOCATE_INTERFACE( thiz );
}
/**************************************************************************************************/
static DirectResult
IComa_Dispatcher_AddRef( IComa *thiz )
{
DIRECT_INTERFACE_GET_DATA(IComa_Dispatcher)
data->ref++;
return DR_OK;
}
static DirectResult
IComa_Dispatcher_Release( IComa *thiz )
{
DIRECT_INTERFACE_GET_DATA(IComa_Dispatcher)
if (--data->ref == 0)
IComa_Dispatcher_Destruct( thiz );
return DR_OK;
}
/**************************************************************************************************/
static DirectResult
Dispatch_GetComponent( IComa *thiz, IComa *real,
VoodooManager *manager, VoodooRequestMessage *msg )
{
DirectResult ret;
const char *name;
unsigned int timeout;
VoodooMessageParser parser;
IComaComponent *component;
VoodooInstanceID instance;
DIRECT_INTERFACE_GET_DATA(IComa_Dispatcher)
VOODOO_PARSER_BEGIN( parser, msg );
VOODOO_PARSER_GET_STRING( parser, name );
VOODOO_PARSER_GET_UINT( parser, timeout );
VOODOO_PARSER_END( parser );
if (!coma_policy_check_component( data->name, name ))
return DR_ACCESSDENIED;
ret = real->GetComponent( real, name, timeout, &component );
if (ret)
return ret;
ret = voodoo_construct_dispatcher( manager, "IComaComponent",
component, data->self, real, &instance, NULL );
if (ret) {
component->Release( component );
return ret;
}
return voodoo_manager_respond( manager, true, msg->header.serial,
DR_OK, instance,
VMBT_NONE );
}
static DirectResult
Dispatch( void *dispatcher, void *real, VoodooManager *manager, VoodooRequestMessage *msg )
{
D_DEBUG( "IComa/Dispatcher: "
"Handling request for instance %u with method %u...\n", msg->instance, msg->method );
switch (msg->method) {
case ICOMA_METHOD_ID_GetComponent:
return Dispatch_GetComponent( dispatcher, real, manager, msg );
}
return DR_NOSUCHMETHOD;
}
/**************************************************************************************************/
static DirectResult
Probe()
{
/* This implementation has to be loaded explicitly. */
return DR_UNSUPPORTED;
}
/*
* Constructor
*
* Fills in function pointers and intializes data structure.
*/
static DirectResult
Construct( IComa *thiz,
IComa *real,
VoodooManager *manager,
VoodooInstanceID super,
void *arg, /* Optional arguments to constructor */
VoodooInstanceID *ret_instance )
{
DirectResult ret;
VoodooInstanceID instance;
DIRECT_ALLOCATE_INTERFACE_DATA(thiz, IComa_Dispatcher)
ret = voodoo_manager_register_local( manager, false, thiz, real, Dispatch, &instance );
if (ret) {
DIRECT_DEALLOCATE_INTERFACE( thiz );
return ret;
}
IComa_data *real_data = real->priv;
data->ref = 1;
data->real = real;
data->super = super;
data->self = instance;
data->manager = manager;
data->name = D_STRDUP( real_data->coma->name );
thiz->AddRef = IComa_Dispatcher_AddRef;
thiz->Release = IComa_Dispatcher_Release;
*ret_instance = instance;
return DR_OK;
}
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