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-rw-r--r--nuttx/net/uip/uip_listen.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/nuttx/net/uip/uip_listen.c b/nuttx/net/uip/uip_listen.c
deleted file mode 100644
index 420fbb070..000000000
--- a/nuttx/net/uip/uip_listen.c
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-/****************************************************************************
- * net/uip/uip_listen.c
- *
- * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * A direct leverage of logic from uIP which also has b BSD style license
- *
- * Author: Adam Dunkels <adam@dunkels.com>
- * Copyright (c) 2001-2003, Adam Dunkels.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-#ifdef CONFIG_NET
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <debug.h>
-
-#include <nuttx/net/uip/uipopt.h>
-
-#include "uip_internal.h"
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/* The uip_listenports list all currently listening ports. */
-
-static struct uip_conn *uip_listenports[CONFIG_NET_MAX_LISTENPORTS];
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Function: uip_findlistener
- *
- * Description:
- * Return the connection listener for connections on this port (if any)
- *
- * Assumptions:
- * Called at interrupt level
- *
- ****************************************************************************/
-
-struct uip_conn *uip_findlistener(uint16_t portno)
-{
- int ndx;
-
- /* Examine each connection structure in each slot of the listener list */
-
- for (ndx = 0; ndx < CONFIG_NET_MAX_LISTENPORTS; ndx++)
- {
- /* Is this slot assigned? If so, does the connection have the same
- * local port number?
- */
-
- struct uip_conn *conn = uip_listenports[ndx];
- if (conn && conn->lport == portno)
- {
- /* Yes.. we found a listener on this port */
-
- return conn;
- }
- }
-
- /* No listener for this port */
-
- return NULL;
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Function: uip_listeninit
- *
- * Description:
- * Setup the listening data structures
- *
- * Assumptions:
- * Called early in the inialization phase while the system is still
- * single-threaded.
- *
- ****************************************************************************/
-
-void uip_listeninit(void)
-{
- int ndx;
- for (ndx = 0; ndx < CONFIG_NET_MAX_LISTENPORTS; ndx++)
- {
- uip_listenports[ndx] = NULL;
- }
-}
-
-/****************************************************************************
- * Function: uip_unlisten
- *
- * Description:
- * Stop listening to the port bound to the specified TCP connection
- *
- * Assumptions:
- * Called from normal user code.
- *
- ****************************************************************************/
-
-int uip_unlisten(struct uip_conn *conn)
-{
- uip_lock_t flags;
- int ndx;
- int ret = -EINVAL;
-
- flags = uip_lock();
- for (ndx = 0; ndx < CONFIG_NET_MAX_LISTENPORTS; ndx++)
- {
- if (uip_listenports[ndx] == conn)
- {
- uip_listenports[ndx] = NULL;
- ret = OK;
- break;
- }
- }
-
- uip_unlock(flags);
- return ret;
-}
-
-/****************************************************************************
- * Function: uip_listen
- *
- * Description:
- * Start listening to the port bound to the specified TCP connection
- *
- * Assumptions:
- * Called from normal user code.
- *
- ****************************************************************************/
-
-int uip_listen(struct uip_conn *conn)
-{
- uip_lock_t flags;
- int ndx;
- int ret;
-
- /* This must be done with interrupts disabled because the listener table
- * is accessed from interrupt level as well.
- */
-
- flags = uip_lock();
-
- /* First, check if there is already a socket listening on this port */
-
- if (uip_islistener(conn->lport))
- {
- /* Yes, then we must refuse this request */
-
- ret = -EADDRINUSE;
- }
- else
- {
- /* Otherwise, save a reference to the connection structure in the
- * "listener" list.
- */
-
- ret = -ENOBUFS; /* Assume failure */
-
- /* Search all slots until an available slot is found */
-
- for (ndx = 0; ndx < CONFIG_NET_MAX_LISTENPORTS; ndx++)
- {
- /* Is the next slot available? */
-
- if (!uip_listenports[ndx])
- {
- /* Yes.. we found it */
-
- uip_listenports[ndx] = conn;
- ret = OK;
- break;
- }
- }
- }
-
- uip_unlock(flags);
- return ret;
-}
-
-/****************************************************************************
- * Function: uip_islistener
- *
- * Description:
- * Return true is there is a listener for the specified port
- *
- * Assumptions:
- * Called at interrupt level
- *
- ****************************************************************************/
-
-bool uip_islistener(uint16_t portno)
-{
- return uip_findlistener(portno) != NULL;
-}
-
-/****************************************************************************
- * Function: uip_accept
- *
- * Description:
- * Accept the new connection for the specified listening port.
- *
- * Assumptions:
- * Called at interrupt level
- *
- ****************************************************************************/
-
-int uip_accept(struct uip_driver_s *dev, struct uip_conn *conn,
- uint16_t portno)
-{
- struct uip_conn *listener;
- int ret = ERROR;
-
- /* The interrupt logic has already allocated and initialized a TCP
- * connection -- now check there if is an application in place to accept the
- * connection.
- */
-
- listener = uip_findlistener(portno);
- if (listener)
- {
- /* Yes, there is a listener. Is it accepting connections now? */
-
- if (listener->accept)
- {
- /* Yes.. accept the connection */
-
- ret = listener->accept(listener, conn);
- }
-#ifdef CONFIG_NET_TCPBACKLOG
- else
- {
- /* Add the connection to the backlog and notify any threads that
- * may be waiting on poll()/select() that the connection is available.
- */
-
- ret = uip_backlogadd(listener, conn);
- if (ret == OK)
- {
- (void)uip_tcpcallback(dev, listener, UIP_BACKLOG);
- }
- }
-#endif
- }
- return ret;
-}
-
-#endif /* CONFIG_NET */
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