mirror of
https://github.com/apache/nuttx.git
synced 2026-06-04 14:53:47 +08:00
ibs/libc/net: Add basic implementation for recvmsg and sendmsg per OpenGroup.org specification.
This commit is contained in:
ligd
Gregory Nutt
@@ -40,7 +40,7 @@ CSRCS += lib_inetaddr.c lib_inetaton.c lib_inetntoa.c
|
||||
CSRCS += lib_inetntop.c lib_inetpton.c
|
||||
|
||||
ifeq ($(CONFIG_NET),y)
|
||||
CSRCS += lib_shutdown.c
|
||||
CSRCS += lib_recvmsg.c lib_sendmsg.c lib_shutdown.c
|
||||
endif
|
||||
|
||||
# Routing table support
|
||||
|
||||
@@ -0,0 +1,89 @@
|
||||
/****************************************************************************
|
||||
* libc/net/lib_recvmsg.c
|
||||
*
|
||||
* Copyright (C) 2007, 2008, 2012, 2008 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>
|
||||
|
||||
#ifdef CONFIG_NET
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <errno.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Function: recvmsg
|
||||
*
|
||||
* Description:
|
||||
* The recvmsg() call is identical to recvfrom() with a NULL from parameter.
|
||||
*
|
||||
* Parameters:
|
||||
* sockfd Socket descriptor of socket
|
||||
* buf Buffer to receive data
|
||||
* len Length of buffer
|
||||
* flags Receive flags
|
||||
*
|
||||
* Returned Value:
|
||||
* (see recvfrom)
|
||||
*
|
||||
* Assumptions:
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
ssize_t recvmsg(int sockfd, FAR struct msghdr *msg, int flags)
|
||||
{
|
||||
FAR void *buf = msg->msg_iov->iov_base;
|
||||
FAR struct sockaddr *from = msg->msg_name;
|
||||
FAR socklen_t *fromlen = (FAR socklen_t *)&msg->msg_namelen;
|
||||
size_t len = msg->msg_iov->iov_len;
|
||||
|
||||
if (msg->msg_iovlen == 1)
|
||||
{
|
||||
return recvfrom(sockfd, buf, len, flags, from, fromlen);
|
||||
}
|
||||
else
|
||||
{
|
||||
set_errno(ENOTSUP);
|
||||
return ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* CONFIG_NET */
|
||||
@@ -0,0 +1,89 @@
|
||||
/****************************************************************************
|
||||
* libc/net/lib_sendmsg.c
|
||||
*
|
||||
* Copyright (C) 2007, 2008, 2012, 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>
|
||||
|
||||
#ifdef CONFIG_NET
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <errno.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Function: sendmsg
|
||||
*
|
||||
* Description:
|
||||
* The sendmsg() call is identical to sendto() with a NULL from parameter.
|
||||
*
|
||||
* Parameters:
|
||||
* sockfd Socket descriptor of socket
|
||||
* buf Buffer to send data
|
||||
* len Length of buffer
|
||||
* flags Receive flags
|
||||
*
|
||||
* Returned Value:
|
||||
* (see sendto)
|
||||
*
|
||||
* Assumptions:
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
ssize_t sendmsg(int sockfd, FAR struct msghdr *msg, int flags)
|
||||
{
|
||||
FAR void *buf = msg->msg_iov->iov_base;
|
||||
FAR struct sockaddr *to = msg->msg_name;
|
||||
socklen_t tolen = msg->msg_namelen;
|
||||
size_t len = msg->msg_iov->iov_len;
|
||||
|
||||
if (msg->msg_iovlen == 1)
|
||||
{
|
||||
return sendto(sockfd, buf, len, flags, to, tolen);
|
||||
}
|
||||
else
|
||||
{
|
||||
set_errno(ENOTSUP);
|
||||
return ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* CONFIG_NET */
|
||||
Reference in New Issue
Block a user