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Basic infrastructure for socket() and bind()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@316 42af7a65-404d-4744-a932-0658087f49c3
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5 changed files with 267 additions and 5 deletions
110
include/sys/socket.h
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110
include/sys/socket.h
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@ -0,0 +1,110 @@
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/****************************************************************************
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* 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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*
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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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#ifndef __SYS_SOCKET_H
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#define __SYS_SOCKET_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* The socket()domain parameter specifies a communication domain; this selects
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* the protocol family which will be used for communication.
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*/
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#define PF_UNIX 0 /* Local communication */
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#define PF_LOCAL 1 /* Local communication */
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#define PF_INET 2 /* IPv4 Internet protocols */
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#define PF_INET6 3 /* IPv6 Internet protocols */
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#define PF_IPX 4 /* IPX - Novell protocols */
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#define PF_NETLINK 5 /* Kernel user interface device */
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#define PF_X25 6 /* ITU-T X.25 / ISO-8208 protocol */
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#define PF_AX25 7 /* Amateur radio AX.25 protocol */
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#define PF_ATMPVC 8 /* Access to raw ATM PVCs */
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#define PF_APPLETALK 9 /* Appletalk */
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#define PF_PACKET 10 /* Low level packet interface */
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/*The socket created by socket() has the indicated type, which specifies
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* the communication semantics.
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*/
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#define SOCK_STREAM 0 /* Provides sequenced, reliable, two-way, connection-based byte streams.
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* An out-of-band data transmission mechanism may be supported. */
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#define SOCK_DGRAM 1 /* Supports datagrams (connectionless, unreliable messages of a fixed
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* maximum length). */
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#define SOCK_SEQPACKET 2 /* Provides a sequenced, reliable, two-way connection-based data
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* transmission path for datagrams of fixed maximum length; a consumer
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* is required to read an entire packet with each read system call. */
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#define SOCK_RAW 3 /* Provides raw network protocol access. */
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#define SOCK_RDM 4 /* Provides a reliable datagram layer that does not guarantee ordering. */
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#define SOCK_PACKET 5 /* Obsolete and should not be used in new programs */
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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struct sockaddr
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{
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sa_family_t sa_family;
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char sa_data[14];
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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EXTERN int socket(int domain, int type, int protocol);
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EXTERN int bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __SYS_SOCKET_H */
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@ -14,7 +14,7 @@
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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 Gregory Nutt nor the names of its contributors may be
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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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@ -123,6 +123,9 @@ typedef unsigned int sig_atomic_t;
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typedef int pid_t;
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typedef int STATUS;
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typedef unsigned int socklen_t;
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typedef uint16 sa_family_t;
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/* Process entry point */
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typedef int (*main_t)(int argc, char *argv[]);
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10
net/Makefile
10
net/Makefile
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@ -14,7 +14,7 @@
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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 Gregory Nutt nor the names of its contributors may be
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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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@ -38,13 +38,15 @@
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MKDEP = $(TOPDIR)/tools/mkdeps.sh
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ifeq ($(CONFIG_NET_UIP),y)
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STD_ASRCS =
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STD_CSRCS = socket.c bind.c
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include uip/Make.defs
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endif
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ASRCS = $(UIP_ASRCS)
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ASRCS = $(STD_ASRCS) $(UIP_ASRCS)
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = $(UIP_CSRCS)
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CSRCS = $(STD_CSRCS) $(UIP_CSRCS)
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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@ -70,7 +72,7 @@ $(BIN): $(OBJS)
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.depend: Makefile $(SRCS)
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ifeq ($(CONFIG_NET_UIP),y)
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$(MKDEP) --dep-path uip $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
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$(MKDEP) --dep-path . --dep-path uip $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
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endif
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touch $@
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75
net/bind.c
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75
net/bind.c
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@ -0,0 +1,75 @@
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/****************************************************************************
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* bind.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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#include <sys/types.h>
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#include <sys/socket.h>
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#include <errno.h>
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Function: bind
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*
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* Description:
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* bind() gives the socket sockfd the local address my_addr. my_addr is
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* addrlen bytes long. Traditionally, this is called “assigning a name to a
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* socket.” When a socket is created with socket(2), it exists in a name space
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* (address family) but has no name assigned.
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*
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* Parameters:
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* sockfd Socket descriptor from socket
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* my_addr Socket local address
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* addrlen Length of my_addr
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*
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* Returned Value:
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* 0 on success; -1 on error with errno set appropriately
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*
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* Assumptions:
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*
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****************************************************************************/
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int bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen)
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{
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*get_errno_ptr() = ENOSYS;
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return ERROR;
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}
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72
net/socket.c
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72
net/socket.c
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@ -0,0 +1,72 @@
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/****************************************************************************
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* socket.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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#include <sys/types.h>
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#include <sys/socket.h>
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#include <errno.h>
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Function: socket
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*
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* Description:
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* socket() creates an endpoint for communication and returns a descriptor.
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*
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* Parameters:
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* domain (see sys/socket.h)
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* type (see sys/socket.h)
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* protocol (see sys/socket.h)
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*
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* Returned Value:
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* 0 on success; -1 on error with errno set appropriately
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*
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* Assumptions:
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*
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****************************************************************************/
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int socket(int domain, int type, int protocol)
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{
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*get_errno_ptr() = ENOSYS;
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return ERROR;
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}
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