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/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 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 Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
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.
*/
#ifndef __VOODOO__MANAGER_H__
#define __VOODOO__MANAGER_H__
#include <voodoo/types.h>
#include <voodoo/message.h>
#ifdef __cplusplus
extern "C" {
#include <direct/interface.h>
#include <direct/thread.h>
}
#include <map>
#include <voodoo/instance.h>
typedef struct {
VoodooMessageBlockType type;
unsigned int len;
void *ptr;
u32 val;
} VoodooMessageBlock;
typedef std::map<VoodooInstanceID,VoodooInstance*> InstanceMap;
class VoodooDispatcher;
class VoodooContext {
public:
virtual DirectResult HandleSuper( VoodooManager *manager,
const char *name,
VoodooInstanceID *ret_instance ) = 0;
};
class VoodooManager {
public:
int magic;
bool is_quit;
private:
friend class VoodooConnection;
friend class VoodooDispatcher;
VoodooConnection *connection;
VoodooContext *context;
size_t msg_count;
VoodooMessageSerial msg_serial;
struct {
DirectMutex lock;
InstanceMap local;
InstanceMap remote;
VoodooInstanceID last;
} instances;
struct {
DirectMutex lock;
DirectWaitQueue wait_get;
DirectWaitQueue wait_put;
VoodooResponseMessage *current;
} response;
VoodooDispatcher *dispatcher;
VoodooInstanceID local_time_service_id;
VoodooInstanceID remote_time_service_id;
public:
VoodooManager( VoodooConnection *connection,
VoodooContext *context );
~VoodooManager();
/** New API **/
void DispatchPacket ( VoodooPacket *packet );
bool DispatchReady (); // FIXME: will be obsolete with GetPacket() method, called by connection code to read directly into packet
/** Old API **/
void quit ();
void handle_disconnect ();
void handle_super ( VoodooSuperMessage *super );
void handle_request ( VoodooRequestMessage *request );
void handle_response ( VoodooResponseMessage *response );
void handle_discover ( VoodooMessageHeader *header );
long long connection_delay ();
long long clock_to_local ( long long remote );
long long clock_to_remote ( long long local );
private:
static void *dispatch_async_thread( DirectThread *thread,
void *arg );
public:
DirectResult do_super ( const char *name,
VoodooInstanceID *ret_instance );
DirectResult do_request ( VoodooInstanceID instance,
VoodooMethodID method,
VoodooRequestFlags flags,
VoodooResponseMessage **ret_response,
VoodooMessageBlock *blocks = NULL,
size_t num_blocks = 0,
size_t data_size = 0 );
DirectResult next_response ( VoodooResponseMessage *response,
VoodooResponseMessage **ret_response );
DirectResult finish_request ( VoodooResponseMessage *response );
DirectResult do_respond ( bool flush,
VoodooMessageSerial request,
DirectResult result,
VoodooInstanceID instance = VOODOO_INSTANCE_NONE,
VoodooMessageBlock *blocks = NULL,
size_t num_blocks = 0,
size_t data_size = 0 );
private:
inline void write_blocks ( void *dst,
const VoodooMessageBlock *blocks,
size_t num_blocks );
DirectResult lock_response ( VoodooMessageSerial request,
VoodooResponseMessage **ret_response );
DirectResult unlock_response ( VoodooResponseMessage *response );
public:
DirectResult register_local ( VoodooInstance *instance,
VoodooInstanceID *ret_instance );
DirectResult unregister_local ( VoodooInstanceID instance_id );
DirectResult lookup_local ( VoodooInstanceID instance_id,
VoodooInstance **ret_instance );
DirectResult register_remote ( VoodooInstance *instance,
VoodooInstanceID instance_id );
DirectResult unregister_remote ( VoodooInstanceID instance_id );
DirectResult lookup_remote ( VoodooInstanceID instance_id,
VoodooInstance **ret_instance );
};
#endif
#ifdef __cplusplus
extern "C" {
#endif
DirectResult VOODOO_API voodoo_manager_create ( VoodooLink *link,
VoodooClient *client,
VoodooServer *server,
VoodooManager **ret_manager );
DirectResult VOODOO_API voodoo_manager_quit ( VoodooManager *manager );
bool VOODOO_API voodoo_manager_is_closed ( const VoodooManager *manager );
DirectResult VOODOO_API voodoo_manager_destroy ( VoodooManager *manager );
/* Super */
DirectResult VOODOO_API voodoo_manager_super ( VoodooManager *manager,
const char *name,
VoodooInstanceID *ret_instance );
/* Request */
DirectResult VOODOO_API voodoo_manager_request ( VoodooManager *manager,
VoodooInstanceID instance,
VoodooMethodID method,
VoodooRequestFlags flags,
VoodooResponseMessage **ret_response, ... );
DirectResult VOODOO_API voodoo_manager_next_response ( VoodooManager *manager,
VoodooResponseMessage *response,
VoodooResponseMessage **ret_response );
DirectResult VOODOO_API voodoo_manager_finish_request ( VoodooManager *manager,
VoodooResponseMessage *response );
/* Response */
DirectResult VOODOO_API voodoo_manager_respond ( VoodooManager *manager,
bool flush,
VoodooMessageSerial request,
DirectResult result,
VoodooInstanceID instance, ... );
/* Instances */
DirectResult VOODOO_API voodoo_manager_register_local ( VoodooManager *manager,
VoodooInstanceID super,
void *dispatcher,
void *real,
VoodooDispatch dispatch,
VoodooInstanceID *ret_instance_id );
DirectResult VOODOO_API voodoo_manager_unregister_local( VoodooManager *manager,
VoodooInstanceID instance_id );
DirectResult VOODOO_API voodoo_manager_lookup_local ( VoodooManager *manager,
VoodooInstanceID instance,
void **ret_dispatcher,
void **ret_real );
DirectResult VOODOO_API voodoo_manager_register_remote( VoodooManager *manager,
bool super,
void *requestor,
VoodooInstanceID instance );
DirectResult VOODOO_API voodoo_manager_lookup_remote ( VoodooManager *manager,
VoodooInstanceID instance,
void **ret_requestor );
/* Security */
DirectResult VOODOO_API voodoo_manager_check_allocation( VoodooManager *manager,
unsigned int amount );
/* Time */
long long VOODOO_API voodoo_manager_connection_delay( VoodooManager *manager );
long long VOODOO_API voodoo_manager_clock_to_local ( VoodooManager *manager,
long long remote );
long long VOODOO_API voodoo_manager_clock_to_remote ( VoodooManager *manager,
long long local );
#ifdef __cplusplus
}
#endif
#endif
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