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server: Add support for generic device objects managed from the client side.

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This commit is contained in:
Alexandre Julliard 2007-05-08 20:28:37 +02:00
parent 299a358fdb
commit b43dc15c8a
6 changed files with 389 additions and 1 deletions
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55
include/wine/server_protocol.h
View file

@ -3970,6 +3970,50 @@ struct allocate_locally_unique_id_reply
};
struct create_device_manager_request
{
struct request_header __header;
unsigned int access;
unsigned int attributes;
};
struct create_device_manager_reply
{
struct reply_header __header;
obj_handle_t handle;
};
struct create_device_request
{
struct request_header __header;
unsigned int access;
unsigned int attributes;
obj_handle_t rootdir;
obj_handle_t manager;
void* user_ptr;
/* VARARG(name,unicode_str); */
};
struct create_device_reply
{
struct reply_header __header;
obj_handle_t handle;
};
struct delete_device_request
{
struct request_header __header;
obj_handle_t handle;
};
struct delete_device_reply
{
struct reply_header __header;
};
enum request
{
REQ_new_process,
@ -4186,6 +4230,9 @@ enum request
REQ_get_object_info,
REQ_get_token_impersonation_level,
REQ_allocate_locally_unique_id,
REQ_create_device_manager,
REQ_create_device,
REQ_delete_device,
REQ_NB_REQUESTS
};
@ -4407,6 +4454,9 @@ union generic_request
struct get_object_info_request get_object_info_request;
struct get_token_impersonation_level_request get_token_impersonation_level_request;
struct allocate_locally_unique_id_request allocate_locally_unique_id_request;
struct create_device_manager_request create_device_manager_request;
struct create_device_request create_device_request;
struct delete_device_request delete_device_request;
};
union generic_reply
{
@ -4626,8 +4676,11 @@ union generic_reply
struct get_object_info_reply get_object_info_reply;
struct get_token_impersonation_level_reply get_token_impersonation_level_reply;
struct allocate_locally_unique_id_reply allocate_locally_unique_id_reply;
struct create_device_manager_reply create_device_manager_reply;
struct create_device_reply create_device_reply;
struct delete_device_reply delete_device_reply;
};
#define SERVER_PROTOCOL_VERSION 300
#define SERVER_PROTOCOL_VERSION 301
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/Makefile.in
View file

@ -19,6 +19,7 @@ C_SRCS = \
context_sparc.c \
context_x86_64.c \
debugger.c \
device.c \
directory.c \
event.c \
fd.c \

259
server/device.c Normal file
View file

@ -0,0 +1,259 @@
/*
* Server-side device support
*
* Copyright (C) 2007 Alexandre Julliard
*
* 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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "object.h"
#include "file.h"
#include "handle.h"
#include "request.h"
struct device_manager
{
struct object obj; /* object header */
struct list devices; /* list of devices */
};
static void device_manager_dump( struct object *obj, int verbose );
static void device_manager_destroy( struct object *obj );
static const struct object_ops device_manager_ops =
{
sizeof(struct device_manager), /* size */
device_manager_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
no_map_access, /* map_access */
no_lookup_name, /* lookup_name */
no_open_file, /* open_file */
no_close_handle, /* close_handle */
device_manager_destroy /* destroy */
};
struct device
{
struct object obj; /* object header */
struct device_manager *manager; /* manager for this device (or NULL if deleted) */
struct fd *fd; /* file descriptor for ioctl */
void *user_ptr; /* opaque ptr for client side */
struct list entry; /* entry in device manager list */
};
static void device_dump( struct object *obj, int verbose );
static struct fd *device_get_fd( struct object *obj );
static void device_destroy( struct object *obj );
static struct object *device_open_file( struct object *obj, unsigned int access,
unsigned int sharing, unsigned int options );
static enum server_fd_type device_get_fd_type( struct fd *fd );
static const struct object_ops device_ops =
{
sizeof(struct device), /* size */
device_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
device_get_fd, /* get_fd */
no_map_access, /* map_access */
no_lookup_name, /* lookup_name */
device_open_file, /* open_file */
no_close_handle, /* close_handle */
device_destroy /* destroy */
};
static const struct fd_ops device_fd_ops =
{
default_fd_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
no_flush, /* flush */
device_get_fd_type, /* get_fd_type */
default_fd_ioctl, /* ioctl */
default_fd_queue_async, /* queue_async */
default_fd_reselect_async, /* reselect_async */
default_fd_cancel_async /* cancel_async */
};
static void device_dump( struct object *obj, int verbose )
{
struct device *device = (struct device *)obj;
fprintf( stderr, "Device " );
dump_object_name( &device->obj );
fputc( '\n', stderr );
}
static struct fd *device_get_fd( struct object *obj )
{
struct device *device = (struct device *)obj;
return (struct fd *)grab_object( device->fd );
}
static void device_destroy( struct object *obj )
{
struct device *device = (struct device *)obj;
if (device->fd) release_object( device->fd );
if (device->manager) list_remove( &device->entry );
}
static struct object *device_open_file( struct object *obj, unsigned int access,
unsigned int sharing, unsigned int options )
{
return grab_object( obj );
}
static enum server_fd_type device_get_fd_type( struct fd *fd )
{
return FD_TYPE_DEVICE;
}
static struct device *create_device( struct directory *root, const struct unicode_str *name,
struct device_manager *manager, unsigned int attr )
{
struct device *device;
if ((device = create_named_object_dir( root, name, attr, &device_ops )))
{
if (get_error() != STATUS_OBJECT_NAME_EXISTS)
{
/* initialize it if it didn't already exist */
device->manager = manager;
list_add_tail( &manager->devices, &device->entry );
if (!(device->fd = alloc_pseudo_fd( &device_fd_ops, &device->obj, 0 )))
{
release_object( device );
device = NULL;
}
}
}
return device;
}
static void delete_device( struct device *device )
{
if (!device->manager) return; /* already deleted */
unlink_named_object( &device->obj );
list_remove( &device->entry );
device->manager = NULL;
}
static void device_manager_dump( struct object *obj, int verbose )
{
fprintf( stderr, "Device manager\n" );
}
static void device_manager_destroy( struct object *obj )
{
struct device_manager *manager = (struct device_manager *)obj;
struct list *ptr;
while ((ptr = list_head( &manager->devices )))
{
struct device *device = LIST_ENTRY( ptr, struct device, entry );
delete_device( device );
}
}
static struct device_manager *create_device_manager(void)
{
struct device_manager *manager;
if ((manager = alloc_object( &device_manager_ops )))
{
list_init( &manager->devices );
}
return manager;
}
/* create a device manager */
DECL_HANDLER(create_device_manager)
{
struct device_manager *manager = create_device_manager();
if (manager)
{
reply->handle = alloc_handle( current->process, manager, req->access, req->attributes );
release_object( manager );
}
}
/* create a device */
DECL_HANDLER(create_device)
{
struct device *device;
struct unicode_str name;
struct device_manager *manager;
struct directory *root = NULL;
if (!(manager = (struct device_manager *)get_handle_obj( current->process, req->manager,
0, &device_manager_ops )))
return;
get_req_unicode_str( &name );
if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
{
release_object( manager );
return;
}
if ((device = create_device( root, &name, manager, req->attributes )))
{
device->user_ptr = req->user_ptr;
reply->handle = alloc_handle( current->process, device, req->access, req->attributes );
release_object( device );
}
if (root) release_object( root );
release_object( manager );
}
/* delete a device */
DECL_HANDLER(delete_device)
{
struct device *device;
if ((device = (struct device *)get_handle_obj( current->process, req->handle, 0, &device_ops )))
{
delete_device( device );
release_object( device );
}
}

28
server/protocol.def
View file

@ -2854,3 +2854,31 @@ enum message_type
@REPLY
luid_t luid;
@END
/* Create a device manager */
@REQ(create_device_manager)
unsigned int access; /* wanted access rights */
unsigned int attributes; /* object attributes */
@REPLY
obj_handle_t handle; /* handle to the device */
@END
/* Create a device */
@REQ(create_device)
unsigned int access; /* wanted access rights */
unsigned int attributes; /* object attributes */
obj_handle_t rootdir; /* root directory */
obj_handle_t manager; /* device manager */
void* user_ptr; /* opaque ptr for use by client */
VARARG(name,unicode_str); /* object name */
@REPLY
obj_handle_t handle; /* handle to the device */
@END
/* Delete a device */
@REQ(delete_device)
obj_handle_t handle; /* handle to the device */
@END

6
server/request.h
View file

@ -324,6 +324,9 @@ DECL_HANDLER(query_symlink);
DECL_HANDLER(get_object_info);
DECL_HANDLER(get_token_impersonation_level);
DECL_HANDLER(allocate_locally_unique_id);
DECL_HANDLER(create_device_manager);
DECL_HANDLER(create_device);
DECL_HANDLER(delete_device);
#ifdef WANT_REQUEST_HANDLERS
@ -544,6 +547,9 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
(req_handler)req_get_object_info,
(req_handler)req_get_token_impersonation_level,
(req_handler)req_allocate_locally_unique_id,
(req_handler)req_create_device_manager,
(req_handler)req_create_device,
(req_handler)req_delete_device,
};
#endif /* WANT_REQUEST_HANDLERS */

41
server/trace.c
View file

@ -3460,6 +3460,38 @@ static void dump_allocate_locally_unique_id_reply( const struct allocate_locally
dump_luid( &req->luid );
}
static void dump_create_device_manager_request( const struct create_device_manager_request *req )
{
fprintf( stderr, " access=%08x,", req->access );
fprintf( stderr, " attributes=%08x", req->attributes );
}
static void dump_create_device_manager_reply( const struct create_device_manager_reply *req )
{
fprintf( stderr, " handle=%p", req->handle );
}
static void dump_create_device_request( const struct create_device_request *req )
{
fprintf( stderr, " access=%08x,", req->access );
fprintf( stderr, " attributes=%08x,", req->attributes );
fprintf( stderr, " rootdir=%p,", req->rootdir );
fprintf( stderr, " manager=%p,", req->manager );
fprintf( stderr, " user_ptr=%p,", req->user_ptr );
fprintf( stderr, " name=" );
dump_varargs_unicode_str( cur_size );
}
static void dump_create_device_reply( const struct create_device_reply *req )
{
fprintf( stderr, " handle=%p", req->handle );
}
static void dump_delete_device_request( const struct delete_device_request *req )
{
fprintf( stderr, " handle=%p", req->handle );
}
static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_new_process_request,
(dump_func)dump_get_new_process_info_request,
@ -3675,6 +3707,9 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_get_object_info_request,
(dump_func)dump_get_token_impersonation_level_request,
(dump_func)dump_allocate_locally_unique_id_request,
(dump_func)dump_create_device_manager_request,
(dump_func)dump_create_device_request,
(dump_func)dump_delete_device_request,
};
static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
@ -3892,6 +3927,9 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_get_object_info_reply,
(dump_func)dump_get_token_impersonation_level_reply,
(dump_func)dump_allocate_locally_unique_id_reply,
(dump_func)dump_create_device_manager_reply,
(dump_func)dump_create_device_reply,
(dump_func)0,
};
static const char * const req_names[REQ_NB_REQUESTS] = {
@ -4109,6 +4147,9 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
"get_object_info",
"get_token_impersonation_level",
"allocate_locally_unique_id",
"create_device_manager",
"create_device",
"delete_device",
};
static const struct