2007-08-29 01:38:15 +02:00
|
|
|
/****************************************************************************
|
2014-06-29 01:25:18 +02:00
|
|
|
* net/socket/socket.c
|
2007-08-29 01:38:15 +02:00
|
|
|
*
|
2016-02-26 13:45:37 +01:00
|
|
|
* Copyright (C) 2007-2009, 2012, 2014-2015 Gregory Nutt. All rights reserved.
|
2012-03-02 20:57:52 +01:00
|
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
2007-08-29 01:38:15 +02:00
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*
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|
* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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|
*
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|
|
* 1. Redistributions of source code must retain the above copyright
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|
|
* notice, this list of conditions and the following disclaimer.
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|
|
* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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|
* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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|
****************************************************************************/
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/****************************************************************************
|
|
|
|
* Included Files
|
|
|
|
****************************************************************************/
|
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|
|
|
|
|
|
#include <nuttx/config.h>
|
2007-09-01 22:56:19 +02:00
|
|
|
#ifdef CONFIG_NET
|
|
|
|
|
2007-08-29 01:38:15 +02:00
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <errno.h>
|
2009-06-15 20:58:22 +02:00
|
|
|
#include <assert.h>
|
2007-11-22 19:36:46 +01:00
|
|
|
#include <debug.h>
|
2007-08-29 01:38:15 +02:00
|
|
|
|
2014-06-26 17:32:39 +02:00
|
|
|
#include <nuttx/net/udp.h>
|
|
|
|
|
2014-06-29 01:25:18 +02:00
|
|
|
#include "socket/socket.h"
|
2014-06-25 02:55:01 +02:00
|
|
|
#include "tcp/tcp.h"
|
|
|
|
#include "udp/udp.h"
|
2014-06-25 18:34:52 +02:00
|
|
|
#include "pkt/pkt.h"
|
2015-01-24 22:19:50 +01:00
|
|
|
#include "local/local.h"
|
2007-09-01 22:56:19 +02:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
/****************************************************************************
|
|
|
|
* Private Functions
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: psock_tcp_alloc
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Allocate and attach a TCP connection structure.
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_NET_TCP
|
|
|
|
static int psock_tcp_alloc(FAR struct socket *psock)
|
|
|
|
{
|
|
|
|
/* Allocate the TCP connection structure */
|
|
|
|
|
|
|
|
FAR struct tcp_conn_s *conn = tcp_alloc(psock->s_domain);
|
|
|
|
if (!conn)
|
|
|
|
{
|
|
|
|
/* Failed to reserve a connection structure */
|
|
|
|
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the reference count on the connection structure. This reference
|
|
|
|
* count will be incremented only if the socket is dup'ed
|
|
|
|
*/
|
|
|
|
|
|
|
|
DEBUGASSERT(conn->crefs == 0);
|
|
|
|
conn->crefs = 1;
|
|
|
|
|
|
|
|
/* Save the pre-allocated connection in the socket structure */
|
|
|
|
|
|
|
|
psock->s_conn = conn;
|
|
|
|
return OK;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NET_TCP */
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: psock_udp_alloc
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Allocate and attach a UDP connection structure.
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_NET_UDP
|
|
|
|
static int psock_udp_alloc(FAR struct socket *psock)
|
|
|
|
{
|
|
|
|
/* Allocate the UDP connection structure */
|
|
|
|
|
|
|
|
FAR struct udp_conn_s *conn = udp_alloc(psock->s_domain);
|
|
|
|
if (!conn)
|
|
|
|
{
|
|
|
|
/* Failed to reserve a connection structure */
|
|
|
|
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the reference count on the connection structure. This reference
|
|
|
|
* count will be incremented only if the socket is dup'ed
|
|
|
|
*/
|
|
|
|
|
|
|
|
DEBUGASSERT(conn->crefs == 0);
|
|
|
|
conn->crefs = 1;
|
|
|
|
|
|
|
|
/* Save the pre-allocated connection in the socket structure */
|
|
|
|
|
|
|
|
psock->s_conn = conn;
|
|
|
|
return OK;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NET_UDP */
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: psock_pkt_alloc
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Allocate and attach a raw packet connection structure.
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_NET_PKT
|
|
|
|
static int psock_pkt_alloc(FAR struct socket *psock)
|
|
|
|
{
|
|
|
|
/* Allocate the packet socket connection structure and save in the new
|
|
|
|
* socket instance.
|
|
|
|
*/
|
|
|
|
|
|
|
|
FAR struct pkt_conn_s *conn = pkt_alloc();
|
|
|
|
if (!conn)
|
|
|
|
{
|
|
|
|
/* Failed to reserve a connection structure */
|
|
|
|
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the reference count on the connection structure. This reference
|
|
|
|
* count will be incremented only if the socket is dup'ed
|
|
|
|
*/
|
|
|
|
|
|
|
|
DEBUGASSERT(conn->crefs == 0);
|
|
|
|
conn->crefs = 1;
|
|
|
|
|
|
|
|
/* Save the pre-allocated connection in the socket structure */
|
|
|
|
|
|
|
|
psock->s_conn = conn;
|
|
|
|
return OK;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NET_PKT */
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: psock_local_alloc
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Allocate and attach a local, Unix domain connection structure.
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_NET_LOCAL
|
|
|
|
static int psock_local_alloc(FAR struct socket *psock)
|
|
|
|
{
|
|
|
|
/* Allocate the local connection structure */
|
|
|
|
|
|
|
|
FAR struct local_conn_s *conn = local_alloc();
|
|
|
|
if (!conn)
|
|
|
|
{
|
|
|
|
/* Failed to reserve a connection structure */
|
|
|
|
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2015-10-04 23:04:00 +02:00
|
|
|
/* Set the reference count on the connection structure. This reference
|
|
|
|
* count will be incremented only if the socket is dup'ed
|
|
|
|
*/
|
2015-01-25 14:36:16 +01:00
|
|
|
|
|
|
|
DEBUGASSERT(conn->lc_crefs == 0);
|
|
|
|
conn->lc_crefs = 1;
|
|
|
|
|
|
|
|
/* Save the pre-allocated connection in the socket structure */
|
|
|
|
|
|
|
|
psock->s_conn = conn;
|
|
|
|
return OK;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NET_LOCAL */
|
|
|
|
|
2007-08-29 01:38:15 +02:00
|
|
|
/****************************************************************************
|
2015-01-19 23:02:56 +01:00
|
|
|
* Public Functions
|
2007-08-29 01:38:15 +02:00
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
2012-03-02 20:57:52 +01:00
|
|
|
* Function: psock_socket
|
2007-08-29 01:38:15 +02:00
|
|
|
*
|
|
|
|
* Description:
|
2012-03-02 20:57:52 +01:00
|
|
|
* socket() creates an endpoint for communication and returns a socket
|
|
|
|
* structure.
|
2007-08-29 01:38:15 +02:00
|
|
|
*
|
|
|
|
* Parameters:
|
|
|
|
* domain (see sys/socket.h)
|
|
|
|
* type (see sys/socket.h)
|
|
|
|
* protocol (see sys/socket.h)
|
2012-03-02 20:57:52 +01:00
|
|
|
* psock A pointer to a user allocated socket structure to be initialized.
|
2007-08-29 01:38:15 +02:00
|
|
|
*
|
|
|
|
* Returned Value:
|
|
|
|
* 0 on success; -1 on error with errno set appropriately
|
|
|
|
*
|
2007-09-01 22:56:19 +02:00
|
|
|
* EACCES
|
|
|
|
* Permission to create a socket of the specified type and/or protocol
|
|
|
|
* is denied.
|
|
|
|
* EAFNOSUPPORT
|
|
|
|
* The implementation does not support the specified address family.
|
|
|
|
* EINVAL
|
|
|
|
* Unknown protocol, or protocol family not available.
|
|
|
|
* EMFILE
|
|
|
|
* Process file table overflow.
|
|
|
|
* ENFILE
|
|
|
|
* The system limit on the total number of open files has been reached.
|
|
|
|
* ENOBUFS or ENOMEM
|
|
|
|
* Insufficient memory is available. The socket cannot be created until
|
|
|
|
* sufficient resources are freed.
|
|
|
|
* EPROTONOSUPPORT
|
|
|
|
* The protocol type or the specified protocol is not supported within
|
|
|
|
* this domain.
|
|
|
|
*
|
2007-08-29 01:38:15 +02:00
|
|
|
* Assumptions:
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
2012-03-02 20:57:52 +01:00
|
|
|
int psock_socket(int domain, int type, int protocol, FAR struct socket *psock)
|
2007-08-29 01:38:15 +02:00
|
|
|
{
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL
|
2015-01-16 15:51:18 +01:00
|
|
|
bool ipdomain = false;
|
2015-01-24 22:19:50 +01:00
|
|
|
#endif
|
|
|
|
bool dgramok = false;
|
2015-01-25 14:36:16 +01:00
|
|
|
int ret;
|
2014-06-12 19:52:06 +02:00
|
|
|
int err;
|
2007-09-01 22:56:19 +02:00
|
|
|
|
2016-02-26 13:45:37 +01:00
|
|
|
/* Only PF_INET, PF_INET6 or PF_PACKET domains supported */
|
2007-09-01 22:56:19 +02:00
|
|
|
|
2015-01-16 15:51:18 +01:00
|
|
|
switch (domain)
|
|
|
|
{
|
|
|
|
#ifdef CONFIG_NET_IPv4
|
|
|
|
case PF_INET:
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL
|
2015-01-16 15:51:18 +01:00
|
|
|
ipdomain = true;
|
2015-01-24 22:19:50 +01:00
|
|
|
#endif
|
|
|
|
dgramok = true;
|
2015-01-16 15:51:18 +01:00
|
|
|
break;
|
2007-09-01 22:56:19 +02:00
|
|
|
#endif
|
2015-01-16 15:51:18 +01:00
|
|
|
|
|
|
|
#ifdef CONFIG_NET_IPv6
|
|
|
|
case PF_INET6:
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL
|
2015-01-16 15:51:18 +01:00
|
|
|
ipdomain = true;
|
2015-01-24 22:19:50 +01:00
|
|
|
#endif
|
|
|
|
dgramok = true;
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_NET_LOCAL
|
|
|
|
case PF_LOCAL:
|
|
|
|
dgramok = true;
|
2015-01-16 15:51:18 +01:00
|
|
|
break;
|
2014-06-12 19:52:06 +02:00
|
|
|
#endif
|
2015-01-16 15:51:18 +01:00
|
|
|
|
|
|
|
#ifdef CONFIG_NET_PKT
|
|
|
|
case PF_PACKET:
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
default:
|
2007-09-01 22:56:19 +02:00
|
|
|
err = EAFNOSUPPORT;
|
|
|
|
goto errout;
|
|
|
|
}
|
|
|
|
|
2015-07-05 19:18:56 +02:00
|
|
|
#if defined(CONFIG_NET_LOCAL) && !defined(CONFIG_NET_LOCAL_STREAM) && !defined(CONFIG_NET_LOCAL_DGRAM)
|
2015-01-29 16:33:45 +01:00
|
|
|
UNUSED(ipdomain);
|
|
|
|
#endif
|
|
|
|
|
2014-06-12 19:52:06 +02:00
|
|
|
/* Only SOCK_STREAM, SOCK_DGRAM and possible SOCK_RAW are supported */
|
|
|
|
|
2015-01-16 15:51:18 +01:00
|
|
|
switch (type)
|
|
|
|
{
|
2015-01-31 14:58:51 +01:00
|
|
|
#if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_LOCAL_STREAM)
|
2015-01-16 15:51:18 +01:00
|
|
|
case SOCK_STREAM:
|
2015-01-27 23:39:30 +01:00
|
|
|
#ifdef CONFIG_NET_TCP
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_STREAM
|
2015-01-27 23:39:30 +01:00
|
|
|
if (ipdomain)
|
|
|
|
#endif
|
2015-01-16 15:51:18 +01:00
|
|
|
{
|
2015-01-27 23:39:30 +01:00
|
|
|
if ((protocol != 0 && protocol != IPPROTO_TCP) || !dgramok)
|
|
|
|
{
|
|
|
|
err = EPROTONOSUPPORT;
|
|
|
|
goto errout;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NET_TCP */
|
|
|
|
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_STREAM
|
2015-01-27 23:39:30 +01:00
|
|
|
#ifdef CONFIG_NET_TCP
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
if (protocol != 0 || !dgramok)
|
|
|
|
{
|
|
|
|
err = EPROTONOSUPPORT;
|
|
|
|
goto errout;
|
|
|
|
}
|
2015-01-16 15:51:18 +01:00
|
|
|
}
|
2015-01-31 14:58:51 +01:00
|
|
|
#endif /* CONFIG_NET_LOCAL_STREAM */
|
2015-01-16 15:51:18 +01:00
|
|
|
|
|
|
|
break;
|
2015-01-31 14:58:51 +01:00
|
|
|
#endif /* CONFIG_NET_TCP || CONFIG_NET_LOCAL_STREAM */
|
2015-01-27 23:39:30 +01:00
|
|
|
|
2015-01-31 14:58:51 +01:00
|
|
|
#if defined(CONFIG_NET_UDP) || defined(CONFIG_NET_LOCAL_DGRAM)
|
2015-01-27 23:39:30 +01:00
|
|
|
case SOCK_DGRAM:
|
|
|
|
#ifdef CONFIG_NET_UDP
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_DGRAM
|
2015-01-27 23:39:30 +01:00
|
|
|
if (ipdomain)
|
2014-06-12 19:52:06 +02:00
|
|
|
#endif
|
2015-01-27 23:39:30 +01:00
|
|
|
{
|
|
|
|
if ((protocol != 0 && protocol != IPPROTO_UDP) || !dgramok)
|
|
|
|
{
|
|
|
|
err = EPROTONOSUPPORT;
|
|
|
|
goto errout;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NET_UDP */
|
2015-01-16 15:51:18 +01:00
|
|
|
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_DGRAM
|
2015-01-16 15:51:18 +01:00
|
|
|
#ifdef CONFIG_NET_UDP
|
2015-01-27 23:39:30 +01:00
|
|
|
else
|
|
|
|
#endif
|
2015-01-16 15:51:18 +01:00
|
|
|
{
|
2015-01-27 23:39:30 +01:00
|
|
|
if (protocol != 0 || !dgramok)
|
|
|
|
{
|
|
|
|
err = EPROTONOSUPPORT;
|
|
|
|
goto errout;
|
|
|
|
}
|
2015-01-16 15:51:18 +01:00
|
|
|
}
|
2015-01-31 14:58:51 +01:00
|
|
|
#endif /* CONFIG_NET_LOCAL_DGRAM */
|
2015-01-16 15:51:18 +01:00
|
|
|
|
|
|
|
break;
|
2015-01-31 14:58:51 +01:00
|
|
|
#endif /* CONFIG_NET_UDP || CONFIG_NET_LOCAL_DGRAM */
|
2015-01-16 15:51:18 +01:00
|
|
|
|
|
|
|
#ifdef CONFIG_NET_PKT
|
|
|
|
case SOCK_RAW:
|
2015-01-24 22:19:50 +01:00
|
|
|
if (dgramok)
|
2015-01-16 15:51:18 +01:00
|
|
|
{
|
|
|
|
err = EPROTONOSUPPORT;
|
|
|
|
goto errout;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
2007-09-01 22:56:19 +02:00
|
|
|
#endif
|
2015-01-16 15:51:18 +01:00
|
|
|
|
|
|
|
default:
|
|
|
|
err = EPROTONOSUPPORT;
|
|
|
|
goto errout;
|
2007-09-01 22:56:19 +02:00
|
|
|
}
|
|
|
|
|
2012-03-02 20:57:52 +01:00
|
|
|
/* Everything looks good. Initialize the socket structure */
|
2007-11-22 19:36:46 +01:00
|
|
|
/* Save the protocol type */
|
2007-09-01 22:56:19 +02:00
|
|
|
|
2015-01-16 15:51:18 +01:00
|
|
|
psock->s_domain = domain;
|
|
|
|
psock->s_type = type;
|
|
|
|
psock->s_conn = NULL;
|
2014-01-14 16:43:59 +01:00
|
|
|
#ifdef CONFIG_NET_TCP_WRITE_BUFFERS
|
2015-01-16 15:51:18 +01:00
|
|
|
psock->s_sndcb = NULL;
|
2014-01-14 00:11:01 +01:00
|
|
|
#endif
|
2007-09-02 23:58:35 +02:00
|
|
|
|
2007-11-22 19:36:46 +01:00
|
|
|
/* Allocate the appropriate connection structure. This reserves the
|
|
|
|
* the connection structure is is unallocated at this point. It will
|
|
|
|
* not actually be initialized until the socket is connected.
|
|
|
|
*/
|
2007-09-03 22:34:44 +02:00
|
|
|
|
2009-09-16 22:27:00 +02:00
|
|
|
err = ENOMEM; /* Assume failure to allocate connection instance */
|
2007-11-22 19:36:46 +01:00
|
|
|
switch (type)
|
|
|
|
{
|
2015-01-31 14:58:51 +01:00
|
|
|
#if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_LOCAL_STREAM)
|
2015-01-16 15:51:18 +01:00
|
|
|
case SOCK_STREAM:
|
2014-06-12 19:52:06 +02:00
|
|
|
{
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_TCP
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_STREAM
|
2015-01-24 22:19:50 +01:00
|
|
|
if (ipdomain)
|
|
|
|
#endif
|
2014-06-12 19:52:06 +02:00
|
|
|
{
|
2015-01-25 14:36:16 +01:00
|
|
|
/* Allocate and attach the TCP connection structure */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
ret = psock_tcp_alloc(psock);
|
2014-06-12 19:52:06 +02:00
|
|
|
}
|
2015-01-24 22:19:50 +01:00
|
|
|
#endif /* CONFIG_NET_TCP */
|
2014-06-18 17:47:08 +02:00
|
|
|
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_STREAM
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_TCP
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
{
|
2015-01-25 14:36:16 +01:00
|
|
|
/* Allocate and attach the local connection structure */
|
2014-06-18 17:47:08 +02:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
ret = psock_local_alloc(psock);
|
|
|
|
}
|
2015-01-31 14:58:51 +01:00
|
|
|
#endif /* CONFIG_NET_LOCAL_STREAM */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
/* Check for failures to allocate the connection structure. */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
/* Failed to reserve a connection structure */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
err = -ret;
|
|
|
|
goto errout;
|
2015-01-24 22:19:50 +01:00
|
|
|
}
|
2014-06-12 19:52:06 +02:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
|
2015-01-31 14:58:51 +01:00
|
|
|
#if defined(CONFIG_NET_UDP) || defined(CONFIG_NET_LOCAL_DGRAM)
|
2015-01-16 15:51:18 +01:00
|
|
|
case SOCK_DGRAM:
|
2009-06-15 20:58:22 +02:00
|
|
|
{
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_UDP
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_DGRAM
|
2015-01-24 22:19:50 +01:00
|
|
|
if (ipdomain)
|
|
|
|
#endif
|
2009-09-16 22:27:00 +02:00
|
|
|
{
|
2015-01-25 14:36:16 +01:00
|
|
|
/* Allocate and attach the UDP connection structure */
|
2009-09-16 22:27:00 +02:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
ret = psock_udp_alloc(psock);
|
2009-09-16 22:27:00 +02:00
|
|
|
}
|
2015-01-24 22:19:50 +01:00
|
|
|
#endif /* CONFIG_NET_UDP */
|
2014-06-12 19:52:06 +02:00
|
|
|
|
2015-01-31 14:58:51 +01:00
|
|
|
#ifdef CONFIG_NET_LOCAL_DGRAM
|
2015-01-24 22:19:50 +01:00
|
|
|
#ifdef CONFIG_NET_UDP
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
{
|
2015-01-25 14:36:16 +01:00
|
|
|
/* Allocate and attach the local connection structure */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
ret = psock_local_alloc(psock);
|
|
|
|
}
|
2015-01-31 14:58:51 +01:00
|
|
|
#endif /* CONFIG_NET_LOCAL_DGRAM */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
/* Check for failures to allocate the connection structure. */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
/* Failed to reserve a connection structure */
|
2015-01-24 22:19:50 +01:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
err = -ret;
|
|
|
|
goto errout;
|
2015-01-24 22:19:50 +01:00
|
|
|
}
|
2009-06-15 20:58:22 +02:00
|
|
|
}
|
2007-11-22 19:36:46 +01:00
|
|
|
break;
|
|
|
|
#endif
|
2007-09-03 22:34:44 +02:00
|
|
|
|
2015-01-16 15:51:18 +01:00
|
|
|
#ifdef CONFIG_NET_PKT
|
|
|
|
case SOCK_RAW:
|
2009-06-15 20:58:22 +02:00
|
|
|
{
|
2015-02-11 16:30:30 +01:00
|
|
|
ret = psock_pkt_alloc(psock);
|
2015-01-25 14:36:16 +01:00
|
|
|
if (ret < 0)
|
2009-09-16 22:27:00 +02:00
|
|
|
{
|
2014-06-12 19:52:06 +02:00
|
|
|
/* Failed to reserve a connection structure */
|
2009-09-16 22:27:00 +02:00
|
|
|
|
2015-01-25 14:36:16 +01:00
|
|
|
err = -ret;
|
2015-01-16 15:51:18 +01:00
|
|
|
goto errout;
|
2009-09-16 22:27:00 +02:00
|
|
|
}
|
2009-06-15 20:58:22 +02:00
|
|
|
}
|
2007-11-22 19:36:46 +01:00
|
|
|
break;
|
2007-09-03 22:34:44 +02:00
|
|
|
#endif
|
|
|
|
|
2007-11-22 19:36:46 +01:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2012-03-02 20:57:52 +01:00
|
|
|
return OK;
|
2007-09-01 22:56:19 +02:00
|
|
|
|
|
|
|
errout:
|
2014-01-14 22:17:53 +01:00
|
|
|
set_errno(err);
|
2007-08-29 01:38:15 +02:00
|
|
|
return ERROR;
|
|
|
|
}
|
|
|
|
|
2012-03-02 20:57:52 +01:00
|
|
|
/****************************************************************************
|
|
|
|
* Function: socket
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* socket() creates an endpoint for communication and returns a descriptor.
|
|
|
|
*
|
|
|
|
* Parameters:
|
|
|
|
* domain (see sys/socket.h)
|
|
|
|
* type (see sys/socket.h)
|
|
|
|
* protocol (see sys/socket.h)
|
|
|
|
*
|
|
|
|
* Returned Value:
|
|
|
|
* A non-negative socket descriptor on success; -1 on error with errno set
|
|
|
|
* appropriately.
|
|
|
|
*
|
|
|
|
* EACCES
|
|
|
|
* Permission to create a socket of the specified type and/or protocol
|
|
|
|
* is denied.
|
|
|
|
* EAFNOSUPPORT
|
|
|
|
* The implementation does not support the specified address family.
|
|
|
|
* EINVAL
|
|
|
|
* Unknown protocol, or protocol family not available.
|
|
|
|
* EMFILE
|
|
|
|
* Process file table overflow.
|
|
|
|
* ENFILE
|
|
|
|
* The system limit on the total number of open files has been reached.
|
|
|
|
* ENOBUFS or ENOMEM
|
|
|
|
* Insufficient memory is available. The socket cannot be created until
|
|
|
|
* sufficient resources are freed.
|
|
|
|
* EPROTONOSUPPORT
|
|
|
|
* The protocol type or the specified protocol is not supported within
|
|
|
|
* this domain.
|
|
|
|
*
|
|
|
|
* Assumptions:
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
int socket(int domain, int type, int protocol)
|
|
|
|
{
|
|
|
|
FAR struct socket *psock;
|
|
|
|
int sockfd;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* Allocate a socket descriptor */
|
|
|
|
|
|
|
|
sockfd = sockfd_allocate(0);
|
|
|
|
if (sockfd < 0)
|
|
|
|
{
|
|
|
|
set_errno(ENFILE);
|
|
|
|
return ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Get the underlying socket structure */
|
|
|
|
|
|
|
|
psock = sockfd_socket(sockfd);
|
|
|
|
if (!psock)
|
|
|
|
{
|
|
|
|
set_errno(ENOSYS); /* should not happen */
|
|
|
|
goto errout;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Initialize the socket structure */
|
|
|
|
|
|
|
|
ret = psock_socket(domain, type, protocol, psock);
|
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
/* Error already set by psock_socket() */
|
|
|
|
|
|
|
|
goto errout;
|
|
|
|
}
|
|
|
|
|
|
|
|
return sockfd;
|
|
|
|
|
|
|
|
errout:
|
|
|
|
sockfd_release(sockfd);
|
|
|
|
return ERROR;
|
|
|
|
}
|
|
|
|
|
2007-09-01 22:56:19 +02:00
|
|
|
#endif /* CONFIG_NET */
|