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