nuttx/net/local/local_send.c
Alin Jerpelea 37d5c1b0d9 net: Author Gregory Nutt: update licenses to Apache
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-20 00:38:18 -08:00

91 lines
2.9 KiB
C

/****************************************************************************
* net/local/local_send.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <errno.h>
#include <assert.h>
#include <debug.h>
#include <nuttx/net/net.h>
#include "local/local.h"
#ifdef CONFIG_NET_LOCAL_STREAM
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: psock_local_send
*
* Description:
* Send a local packet as a stream.
*
* Input Parameters:
* psock An instance of the internal socket structure.
* buf Data to send
* len Length of data to send
* flags Send flags (ignored for now)
*
* Returned Value:
* On success, returns the number of characters sent. On error,
* -1 is returned, and errno is set appropriately (see send() for the
* list of errno numbers).
*
****************************************************************************/
ssize_t psock_local_send(FAR struct socket *psock, FAR const void *buf,
size_t len, int flags)
{
FAR struct local_conn_s *peer;
int ret;
DEBUGASSERT(psock && psock->s_conn && buf);
peer = (FAR struct local_conn_s *)psock->s_conn;
/* Verify that this is a connected peer socket and that it has opened the
* outgoing FIFO for write-only access.
*/
if (peer->lc_state != LOCAL_STATE_CONNECTED ||
peer->lc_outfile.f_inode == NULL)
{
nerr("ERROR: not connected\n");
return -ENOTCONN;
}
/* Send the packet */
ret = local_send_packet(&peer->lc_outfile, (FAR uint8_t *)buf, len);
/* If the send was successful, then the full packet will have been sent */
return ret < 0 ? ret : len;
}
#endif /* CONFIG_NET_LOCAL_STREAM */