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server: Add socket-side support for the interface change notification object.
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1239663fcb
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315de61bb2
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@ -110,12 +110,18 @@ struct sock
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struct sock *deferred; /* socket that waits for a deferred accept */
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struct sock *deferred; /* socket that waits for a deferred accept */
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struct async_queue *read_q; /* queue for asynchronous reads */
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struct async_queue *read_q; /* queue for asynchronous reads */
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struct async_queue *write_q; /* queue for asynchronous writes */
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struct async_queue *write_q; /* queue for asynchronous writes */
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struct async_queue *ifchange_q; /* queue for interface change notifications */
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struct object *ifchange_obj; /* the interface change notification object */
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struct list ifchange_entry; /* entry in ifchange notification list */
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};
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};
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static void sock_dump( struct object *obj, int verbose );
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static void sock_dump( struct object *obj, int verbose );
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static void sock_add_ifchange( struct sock *sock, const async_data_t *async_data );
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static int sock_signaled( struct object *obj, struct wait_queue_entry *entry );
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static int sock_signaled( struct object *obj, struct wait_queue_entry *entry );
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static struct fd *sock_get_fd( struct object *obj );
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static struct fd *sock_get_fd( struct object *obj );
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static void sock_destroy( struct object *obj );
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static void sock_destroy( struct object *obj );
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static struct async_queue *sock_get_ifchange_q( struct sock *sock );
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static void sock_destroy_ifchange_q( struct sock *sock );
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static int sock_get_poll_events( struct fd *fd );
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static int sock_get_poll_events( struct fd *fd );
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static void sock_poll_event( struct fd *fd, int event );
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static void sock_poll_event( struct fd *fd, int event );
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@ -534,7 +540,8 @@ obj_handle_t sock_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *a
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switch(code)
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switch(code)
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{
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{
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case WS_SIO_ADDRESS_LIST_CHANGE:
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case WS_SIO_ADDRESS_LIST_CHANGE:
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/* intentional fallthrough, not yet supported */
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sock_add_ifchange( sock, async_data );
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return 0;
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default:
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default:
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set_error( STATUS_NOT_SUPPORTED );
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set_error( STATUS_NOT_SUPPORTED );
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return 0;
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return 0;
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@ -615,6 +622,7 @@ static void sock_destroy( struct object *obj )
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free_async_queue( sock->read_q );
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free_async_queue( sock->read_q );
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free_async_queue( sock->write_q );
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free_async_queue( sock->write_q );
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sock_destroy_ifchange_q( sock );
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if (sock->event) release_object( sock->event );
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if (sock->event) release_object( sock->event );
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if (sock->fd)
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if (sock->fd)
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{
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{
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@ -642,6 +650,8 @@ static void init_sock(struct sock *sock)
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sock->deferred = NULL;
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sock->deferred = NULL;
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sock->read_q = NULL;
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sock->read_q = NULL;
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sock->write_q = NULL;
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sock->write_q = NULL;
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sock->ifchange_q = NULL;
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sock->ifchange_obj = NULL;
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memset( sock->errors, 0, sizeof(sock->errors) );
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memset( sock->errors, 0, sizeof(sock->errors) );
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}
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}
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@ -933,6 +943,81 @@ static void sock_set_error(void)
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set_error( sock_get_ntstatus( errno ) );
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set_error( sock_get_ntstatus( errno ) );
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}
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}
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/* add interface change notification to a socket */
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static void sock_add_ifchange( struct sock *sock, const async_data_t *async_data )
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{
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struct async_queue *ifchange_q;
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struct async *async;
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if (!(ifchange_q = sock_get_ifchange_q( sock )))
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return;
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if (!(async = create_async( current, ifchange_q, async_data )))
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{
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if (!async_queued( ifchange_q ))
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sock_destroy_ifchange_q( sock );
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set_error( STATUS_NO_MEMORY );
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return;
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}
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release_object( async );
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set_error( STATUS_PENDING );
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}
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/* stub ifchange object */
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static struct object *get_ifchange( void )
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{
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set_error( STATUS_NOT_SUPPORTED );
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return NULL;
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}
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/* stub ifchange add socket to list */
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static void ifchange_add_sock( struct object *obj, struct sock *sock )
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{
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}
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/* create a new ifchange queue for a specific socket or, if one already exists, reuse the existing one */
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static struct async_queue *sock_get_ifchange_q( struct sock *sock )
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{
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struct object *ifchange;
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struct fd *fd;
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if (sock->ifchange_q) /* reuse existing ifchange_q for this socket */
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return sock->ifchange_q;
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if (!(ifchange = get_ifchange()))
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return NULL;
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/* create the ifchange notification queue */
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fd = ifchange->ops->get_fd( ifchange );
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sock->ifchange_q = create_async_queue( fd );
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release_object( fd );
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if (!sock->ifchange_q)
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{
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release_object( ifchange );
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set_error( STATUS_NO_MEMORY );
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return NULL;
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}
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/* add the socket to the ifchange notification list */
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ifchange_add_sock( ifchange, sock );
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sock->ifchange_obj = ifchange;
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return sock->ifchange_q;
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}
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/* destroy an existing ifchange queue for a specific socket */
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static void sock_destroy_ifchange_q( struct sock *sock )
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{
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if (sock->ifchange_q)
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{
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list_remove( &sock->ifchange_entry );
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free_async_queue( sock->ifchange_q );
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sock->ifchange_q = NULL;
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release_object( sock->ifchange_obj );
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}
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}
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/* create a socket */
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/* create a socket */
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DECL_HANDLER(create_socket)
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DECL_HANDLER(create_socket)
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{
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{
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