mirror of
https://github.com/apache/nuttx.git
synced 2025-01-13 09:49:21 +08:00
Added framework for getsockopt() setsockopt()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@332 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
d265632c82
commit
535038c5cc
8 changed files with 292 additions and 25 deletions
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@ -207,3 +207,4 @@
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* Added snprintf()
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* Added send() and sendto(); integrate write() and close() with socket descriptors.
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* Added recv() and recvfrom().
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* Added getsockopt() and setsockopt()
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@ -632,15 +632,15 @@ Other memory:
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</table>
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<pre><ul>
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0.2.9 2007-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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* Imported uIP into the tree (see
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http://www.sics.se/~adam/uip/index.php/Main_Page)
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* Adding socket(), bind(), connect()
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* Added snprintf()
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* Added send() and sendto(); integrate write() and close() with socket descriptors.
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* Added send() and sendto(); integrate write() and close() with socket descriptors.
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* Added recv() and recvfrom().
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* Added getsockopt() and setsockopt()
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</pre></ul>
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<table width ="100%">
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@ -67,15 +67,22 @@
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* Public Types
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****************************************************************************/
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/* This defines a bitmap big enough for one bit for each socket option */
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typedef uint16 sockopt_t;
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/* This is the internal representation of a socket reference by a file
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* descriptor.
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*/
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struct socket
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{
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int s_crefs; /* Reference count on the socket */
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uint8 s_type; /* Protocol type: Only SOCK_STREAM or SOCK_DGRAM */
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void *s_conn; /* Connection: struct uip_conn * or uip_udp_conn * */
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int s_crefs; /* Reference count on the socket */
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uint8 s_type; /* Protocol type: Only SOCK_STREAM or SOCK_DGRAM */
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#ifdef CONFIG_NET_SOCKOPTS
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sockopt_t s_options; /* Selected socket options */
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#endif
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void *s_conn; /* Connection: struct uip_conn * or uip_udp_conn * */
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};
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/* This defines a list of sockets indexed by the socket descriptor */
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@ -89,6 +96,10 @@ struct socketlist
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};
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#endif
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/* This defines a bitmap big enough for one bit for each socket option */
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typedef uint16 sockopt_t;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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@ -1,5 +1,5 @@
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/****************************************************************************
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* socket.h
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* sys/socket.h
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -117,38 +117,42 @@
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/* Socket options */
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#define SO_DEBUG 1 /* Enables recording of debugging information (get/set).
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#define SO_DEBUG 0 /* Enables recording of debugging information (get/set).
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* arg: integer contain boolean value */
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#define SO_ACCEPTCONN 2 /* Reports whether socket listening is enabled (get only).
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#define SO_ACCEPTCONN 1 /* Reports whether socket listening is enabled (get only).
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* arg: returns integer contain boolean value */
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#define SO_BROADCAST 3 /* Permits sending of broadcast messages (get/set).
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#define SO_BROADCAST 2 /* Permits sending of broadcast messages (get/set).
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* arg: integer contain boolean value */
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#define SO_REUSEADDR 4 /* Allow reuse of local addresses (get/set)
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#define SO_REUSEADDR 3 /* Allow reuse of local addresses (get/set)
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* arg: integer contain boolean value */
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#define SO_KEEPALIVE 5 /* Keeps connections active by enabling the periodic transmission
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#define SO_KEEPALIVE 4 /* Keeps connections active by enabling the periodic transmission
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* of messages (get/set). arg: int */
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#define SO_LINGER 6 /* Lingers on a close() if data is present (get/set)
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#define SO_LINGER 5 /* Lingers on a close() if data is present (get/set)
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* arg: struct linger */
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#define SO_OOBINLINE 7 /* Leaves received out-of-band data (data marked urgent) inline
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#define SO_OOBINLINE 6 /* Leaves received out-of-band data (data marked urgent) inline
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* (get/set) arg: integer contain boolean value */
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#define SO_SNDBUF 8 /* Sets send buffer size. arg: integer value (get/set). */
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#define SO_RCVBUF 9 /* Sets receive buffer size. arg: integer value (get/set). */
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#define SO_ERROR 10 /* Reports and clears error statust (get only). arg: returns
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#define SO_SNDBUF 7 /* Sets send buffer size. arg: integer value (get/set). */
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#define SO_RCVBUF 8 /* Sets receive buffer size. arg: integer value (get/set). */
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#define SO_ERROR 9 /* Reports and clears error statust (get only). arg: returns
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* an integer value
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#define SO_TYPE 11 /* Reports the socket type (get only). return: int */
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#define SO_DONTROUTE 12 /* equests that outgoing messages bypass standard routing
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#define SO_TYPE 10 /* Reports the socket type (get only). return: int */
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#define SO_DONTROUTE 11 /* equests that outgoing messages bypass standard routing (get/set)
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* arg: integer contain boolean value */
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#define SO_RCVLOWAT 13 /* Sets the minimum number of bytes to process for socket input
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#define SO_RCVLOWAT 12 /* Sets the minimum number of bytes to process for socket input
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* (get/set). arg: integer value */
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#define SO_RCVTIMEO 14 /* Sets the timeout value that specifies the maximum amount of time
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#define SO_RCVTIMEO 13 /* Sets the timeout value that specifies the maximum amount of time
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* an input function waits until it completes (get/set).
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* arg: struct timeval */
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#define SO_SNDLOWAT 15 /* Sets the minimum number of bytes to process for socket output
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#define SO_SNDLOWAT 14 /* Sets the minimum number of bytes to process for socket output
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* (get/set). arg: integer value */
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#define SO_SNDTIMEO 16 /* Sets the timeout value specifying the amount of time that an
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#define SO_SNDTIMEO 15 /* Sets the timeout value specifying the amount of time that an
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* output function blocks because flow control prevents data from
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* being sent(get/set). arg: struct timeval */
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/* Protocol levels supported by get/setsockopt(): */
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#define SOL_SOCKET 0 /* Only socket-level options supported */
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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@ -185,8 +189,8 @@ EXTERN ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags,
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EXTERN int setsockopt(int sockfd, int level, int option,
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const void *value, socklen_t value_len);
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EXTERN int setsockopt(int sockfd, int level, int option,
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const void *value, socklen_t value_len);
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EXTERN int getsockopt(int sockfd, int level, int option,
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void *value, socklen_t *value_len);
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#undef EXTERN
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#if defined(__cplusplus)
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@ -41,7 +41,7 @@ MKDEP = $(TOPDIR)/tools/mkdeps.sh
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ifeq ($(CONFIG_NET),y)
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STD_ASRCS =
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STD_CSRCS = socket.c bind.c connect.c send.c sendto.c recv.c recvfrom.c \
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net_sockets.c net-close.c
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setsockopt.c getsockopt.c net_sockets.c net-close.c
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include uip/Make.defs
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endif
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102
net/getsockopt.c
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102
net/getsockopt.c
Normal file
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@ -0,0 +1,102 @@
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/****************************************************************************
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* net/getsockopt.c
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_NET
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <errno.h>
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#include "net_internal.h"
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Function: getsockopt
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*
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* Description:
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* getsockopt() retrieve thse value for the option specified by the
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* 'option' argument for the socket specified by the 'sockfd' argument. If
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* the size of the option value is greater than 'value_len', the value
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* stored in the object pointed to by the 'value' argument will be silently
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* truncated. Otherwise, the length pointed to by the 'value_len' argument
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* will be modified to indicate the actual length of the'value'.
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*
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* The 'level' argument specifies the protocol level of the option. To
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* retrieve options at the socket level, specify the level argument as
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* SOL_SOCKET.
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*
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* See <sys/socket.h> a complete list of values for the 'option' argument.
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*
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* Parameters:
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* sockfd Socket descriptor of socket
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* level Protocol level to set the option
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* option identifies the option to get
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* value Points to the argument value
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* value_len The length of the argument value
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*
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* Returned Value:
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*
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* EBADF
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* The 'sockfd' argument is not a valid socket descriptor.
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* EINVAL
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* The specified option is invalid at the specified socket 'level' or the
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* socket has been shutdown.
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* ENOPROTOOPT
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* The 'option' is not supported by the protocol.
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* ENOTSOCK
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* The 'sockfd' argument does not refer to a socket.
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* ENOBUFS
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* Insufficient resources are available in the system to complete the
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* call.
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*
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* Assumptions:
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*
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****************************************************************************/
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int getsockopt(int sockfd, int level, int option, void *value, socklen_t *value_len)
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{
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*get_errno_ptr() = ENOPROTOOPT;
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return ERROR;
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}
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#endif /* CONFIG_NET */
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@ -51,6 +51,47 @@
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* Definitions
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****************************************************************************/
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/* These define bit positions for each socket option (see sys/socket.h) */
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#define _SO_DEBUG (1 << SO_DEBUG)
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#define _SO_ACCEPTCONN (1 << SO_ACCEPTCONN)
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#define _SO_BROADCAST (1 << SO_BROADCAST)
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#define _SO_REUSEADDR (1 << SO_REUSEADDR)
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#define _SO_KEEPALIVE (1 << SO_KEEPALIVE)
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#define _SO_LINGER (1 << SO_LINGER)
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#define _SO_OOBINLINE (1 << SO_OOBINLINE)
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#define _SO_SNDBUF (1 << SO_SNDBUF)
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#define _SO_RCVBUF (1 << SO_RCVBUF)
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#define _SO_ERROR (1 << SO_ERROR)
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#define _SO_TYPE (1 << SO_TYPE)
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#define _SO_DONTROUTE (1 << SO_DONTROUTE)
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#define _SO_RCVLOWAT (1 << SO_RCVLOWAT)
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#define _SO_RCVTIMEO (1 << SO_RCVTIMEO)
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#define _SO_SNDLOWAT (1 << SO_SNDLOWAT)
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#define _SO_SNDTIMEO (1 << SO_SNDTIMEO)
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/* This idenfies the options that have been implemented. Someday this
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* should be 0xffff
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*/
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#define _SO_IMPLEMENTED 0x0000
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/* The set of all valid options is a subset of those that are implemented
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* and those that can be supported within the kernel OS configuration.
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*/
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#ifdef CONFIG_DISABLE_CLOCK
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# define _SO_ALLOPTIONS (_SO_IMPLEMENTED & ~(_SO_RCVTIMEO|_SO_SNDTIMEO)
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#else
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# define _SO_ALLOPTIONS (_SO_IMPLEMENTED)
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#endif
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/* This is the set of options valid for getsockopt and setsockopt */
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#define _SO_GETONLY (_SO_ACCEPTCONN|_SO_ERROR|_SO_TYPE)
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#define _SO_SETOPTS (_SO_ALLOPTIONS & ~_SO_GETONLY)
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#define _SO_GETOTPS _SO_ALLOPTIONS
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/****************************************************************************
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* Public Types
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****************************************************************************/
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108
net/setsockopt.c
Normal file
108
net/setsockopt.c
Normal file
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@ -0,0 +1,108 @@
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/****************************************************************************
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* net/setsockopt.c
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_NET
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <errno.h>
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#include "net_internal.h"
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Function: setsockopt
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*
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* Description:
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* setsockopt() sets the option specified by the 'option' argument,
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* at the protocol level specified by the 'level' argument, to the value
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* pointed to by the 'value' argument for the socket associated with the
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* file descriptor specified by the 'sockfd' argument.
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*
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* The 'level' argument specifies the protocol level of the option. To set
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* options at the socket level, specify the level argument as SOL_SOCKET.
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*
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* See <sys/socket.h> a complete list of values for the 'option' argument.
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*
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* Parameters:
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* sockfd Socket descriptor of socket
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* level Protocol level to set the option
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* option identifies the option to set
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* value Points to the argument value
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* value_len The length of the argument value
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*
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* Returned Value:
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* 0 on success; -1 on failure
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*
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* EBADF
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* The 'sockfd' argument is not a valid socket descriptor.
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* EDOM
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* The send and receive timeout values are too big to fit into the
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* timeout fields in the socket structure.
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* EINVAL
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* The specified option is invalid at the specified socket 'level' or the
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* socket has been shut down.
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* EISCONN
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* The socket is already connected, and a specified option cannot be set
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* while the socket is connected.
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* ENOPROTOOPT
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* The 'option' is not supported by the protocol.
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* ENOTSOCK
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* The 'sockfd' argument does not refer to a socket.
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* ENOMEM
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* There was insufficient memory available for the operation to complete.
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* ENOBUFS
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* Insufficient resources are available in the system to complete the
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* call.
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*
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* Assumptions:
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*
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****************************************************************************/
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int setsockopt(int sockfd, int level, int option, const void *value, socklen_t value_len)
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{
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*get_errno_ptr() = ENOPROTOOPT;
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return ERROR;
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}
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#endif /* CONFIG_NET */
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