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- /****************************************************************************
- * net/udp/udp_psock_send.c
- *
- * Copyright (C) 2015, 2018 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * 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. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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
- * COPYRIGHT OWNER OR CONTRIBUTORS 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>
- #include <sys/types.h>
- #include <assert.h>
- #include <errno.h>
- #include <nuttx/net/net.h>
- #include "socket/socket.h"
- #include "udp/udp.h"
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- /****************************************************************************
- * Name: psock_udp_send
- *
- * Description:
- * Implements send() for connected UDP sockets
- *
- ****************************************************************************/
- ssize_t psock_udp_send(FAR struct socket *psock, FAR const void *buf,
- size_t len)
- {
- DEBUGASSERT(psock != NULL && psock->s_crefs > 0 && psock->s_conn != NULL);
- DEBUGASSERT(psock->s_type == SOCK_DGRAM);
- /* Was the UDP socket connected via connect()?
- * REVISIT: This same test is performed in psock_udp_sendto() where
- * -EDESTADDRREQ is returned. There is a fine distinction in the
- * meaning of the reported errors that I am not sure I have correct.
- */
- if (!_SS_ISCONNECTED(psock->s_flags))
- {
- /* No, then it is not legal to call send() with this socket.
- * ENOTCONN - The socket is not connected or otherwise has not had
- * the peer pre-specified.
- */
- return -ENOTCONN;
- }
- /* Let psock_sendto() do all of the work work */
- return psock_udp_sendto(psock, buf, len, 0, NULL, 0);
- }
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