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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIP_SOCKETS_H__
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#define __LWIP_SOCKETS_H__
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#include "lwip/opt.h"
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#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
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#include <stddef.h> /* for size_t */
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#include "lwip/ip_addr.h"
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#include "lwip/inet.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* members are in network byte order */
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struct sockaddr_in {
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u8_t sin_len;
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u8_t sin_family;
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u16_t sin_port;
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struct in_addr sin_addr;
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char sin_zero[8];
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};
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struct sockaddr {
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u8_t sa_len;
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u8_t sa_family;
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u16_t sa_data[14];
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};
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#ifndef socklen_t
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# define socklen_t u32_t
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#endif
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/* Socket protocol types (TCP/UDP/RAW) */
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#define SOCK_STREAM 1
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#define SOCK_DGRAM 2
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#define SOCK_RAW 3
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/*
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* Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
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*/
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#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
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#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
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#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
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#define SO_KEEPALIVE 0x0008 /* keep connections alive */
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#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
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#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
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#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
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#define SO_LINGER 0x0080 /* linger on close if data present */
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#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
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#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
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#define SO_DONTLINGER ((int)(~SO_LINGER))
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/*
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* Additional options, not kept in so_options.
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*/
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#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
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#define SO_RCVBUF 0x1002 /* receive buffer size */
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#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
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#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
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#define SO_SNDTIMEO 0x1005 /* Unimplemented: send timeout */
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#define SO_RCVTIMEO 0x1006 /* receive timeout */
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#define SO_ERROR 0x1007 /* get error status and clear */
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#define SO_TYPE 0x1008 /* get socket type */
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#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
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#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
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/*
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* Structure used for manipulating linger option.
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*/
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struct linger {
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int l_onoff; /* option on/off */
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int l_linger; /* linger time */
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};
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/*
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* Level number for (get/set)sockopt() to apply to socket itself.
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*/
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#define SOL_SOCKET 0xfff /* options for socket level */
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#define AF_UNSPEC 0
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#define AF_INET 2
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#define PF_INET AF_INET
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#define PF_UNSPEC AF_UNSPEC
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#define IPPROTO_IP 0
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#define IPPROTO_TCP 6
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#define IPPROTO_UDP 17
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#define IPPROTO_UDPLITE 136
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/* Flags we can use with send and recv. */
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#define MSG_PEEK 0x01 /* Peeks at an incoming message */
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#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
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#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
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#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
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#define MSG_MORE 0x10 /* Sender will send more */
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/*
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* Options for level IPPROTO_IP
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*/
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#define IP_TOS 1
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#define IP_TTL 2
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#if LWIP_TCP
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/*
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* Options for level IPPROTO_TCP
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*/
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#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
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#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
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#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
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#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
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#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
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#endif /* LWIP_TCP */
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#if LWIP_UDP && LWIP_UDPLITE
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/*
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* Options for level IPPROTO_UDPLITE
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*/
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#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
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#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
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#endif /* LWIP_UDP && LWIP_UDPLITE*/
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#if LWIP_IGMP
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/*
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* Options and types for UDP multicast traffic handling
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*/
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#define IP_ADD_MEMBERSHIP 3
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#define IP_DROP_MEMBERSHIP 4
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#define IP_MULTICAST_TTL 5
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#define IP_MULTICAST_IF 6
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#define IP_MULTICAST_LOOP 7
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typedef struct ip_mreq {
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* local IP address of interface */
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} ip_mreq;
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#endif /* LWIP_IGMP */
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/*
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* The Type of Service provides an indication of the abstract
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* parameters of the quality of service desired. These parameters are
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* to be used to guide the selection of the actual service parameters
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* when transmitting a datagram through a particular network. Several
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* networks offer service precedence, which somehow treats high
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* precedence traffic as more important than other traffic (generally
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* by accepting only traffic above a certain precedence at time of high
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* load). The major choice is a three way tradeoff between low-delay,
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* high-reliability, and high-throughput.
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* The use of the Delay, Throughput, and Reliability indications may
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* increase the cost (in some sense) of the service. In many networks
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* better performance for one of these parameters is coupled with worse
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* performance on another. Except for very unusual cases at most two
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* of these three indications should be set.
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*/
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#define IPTOS_TOS_MASK 0x1E
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#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
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#define IPTOS_LOWDELAY 0x10
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#define IPTOS_THROUGHPUT 0x08
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#define IPTOS_RELIABILITY 0x04
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#define IPTOS_LOWCOST 0x02
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#define IPTOS_MINCOST IPTOS_LOWCOST
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/*
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* The Network Control precedence designation is intended to be used
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* within a network only. The actual use and control of that
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* designation is up to each network. The Internetwork Control
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* designation is intended for use by gateway control originators only.
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* If the actual use of these precedence designations is of concern to
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* a particular network, it is the responsibility of that network to
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* control the access to, and use of, those precedence designations.
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*/
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#define IPTOS_PREC_MASK 0xe0
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#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
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#define IPTOS_PREC_NETCONTROL 0xe0
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#define IPTOS_PREC_INTERNETCONTROL 0xc0
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#define IPTOS_PREC_CRITIC_ECP 0xa0
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#define IPTOS_PREC_FLASHOVERRIDE 0x80
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#define IPTOS_PREC_FLASH 0x60
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#define IPTOS_PREC_IMMEDIATE 0x40
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#define IPTOS_PREC_PRIORITY 0x20
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#define IPTOS_PREC_ROUTINE 0x00
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/*
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* Commands for ioctlsocket(), taken from the BSD file fcntl.h.
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* lwip_ioctl only supports FIONREAD and FIONBIO, for now
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*
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* Ioctl's have the command encoded in the lower word,
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* and the size of any in or out parameters in the upper
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* word. The high 2 bits of the upper word are used
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231
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* to encode the in/out status of the parameter; for now
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* we restrict parameters to at most 128 bytes.
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*/
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#if !defined(FIONREAD) || !defined(FIONBIO)
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#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */
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#define IOC_VOID 0x20000000UL /* no parameters */
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#define IOC_OUT 0x40000000UL /* copy out parameters */
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#define IOC_IN 0x80000000UL /* copy in parameters */
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#define IOC_INOUT (IOC_IN|IOC_OUT)
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/* 0x20000000 distinguishes new &
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old ioctl's */
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#define _IO(x,y) (IOC_VOID|((x)<<8)|(y))
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|
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#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
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245
|
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246
|
#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
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|
#endif /* !defined(FIONREAD) || !defined(FIONBIO) */
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|
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|
#ifndef FIONREAD
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#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */
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#endif
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|
#ifndef FIONBIO
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#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
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#endif
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255
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|
/* Socket I/O Controls: unimplemented */
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|
#ifndef SIOCSHIWAT
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|
#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */
|
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259
|
#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */
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260
|
#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */
|
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|
#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */
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262
|
#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */
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#endif
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264
|
|
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265
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/* commands for fnctl */
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|
#ifndef F_GETFL
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#define F_GETFL 3
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#endif
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|
#ifndef F_SETFL
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#define F_SETFL 4
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#endif
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|
|
| mbed714 |
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273
|
/* File status flags and file access modes for fnctl,
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|
these are bits in an int. */
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|
#ifndef O_NONBLOCK
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|
#define O_NONBLOCK 1 /* nonblocking I/O */
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|
#endif
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|
#ifndef O_NDELAY
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#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */
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|
#endif
|
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|
|
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|
#ifndef SHUT_RD
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|
#define SHUT_RD 1
|
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|
#define SHUT_WR 2
|
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|
#define SHUT_RDWR 3
|
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|
#endif
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|
287
|
|
| mbed714 |
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|
288
|
/* FD_SET used for lwip_select */
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|
#ifndef FD_SET
|
| mbed714 |
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|
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|
#undef FD_SETSIZE
|
| mbed714 |
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|
291
|
/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
|
| mbed714 |
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|
292
|
#define FD_SETSIZE MEMP_NUM_NETCONN
|
| mbed714 |
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|
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|
#define FD_SET(n, p) ((p)->fd_bits[(n)/8] |= (1 << ((n) & 7)))
|
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|
294
|
#define FD_CLR(n, p) ((p)->fd_bits[(n)/8] &= ~(1 << ((n) & 7)))
|
| mbed714 |
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|
295
|
#define FD_ISSET(n,p) ((p)->fd_bits[(n)/8] & (1 << ((n) & 7)))
|
| mbed714 |
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|
296
|
#define FD_ZERO(p) memset((void*)(p),0,sizeof(*(p)))
|
| mbed714 |
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|
297
|
|
| mbed714 |
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|
298
|
typedef struct fd_set {
|
| mbed714 |
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|
299
|
unsigned char fd_bits [(FD_SETSIZE+7)/8];
|
| mbed714 |
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|
300
|
} fd_set;
|
| mbed714 |
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|
301
|
|
| mbed714 |
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|
302
|
#endif /* FD_SET */
|
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|
303
|
|
| mbed714 |
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|
304
|
/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
|
| mbed714 |
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|
305
|
* by your system, set this to 0 and include <sys/time.h> in cc.h */
|
| mbed714 |
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|
306
|
#ifndef LWIP_TIMEVAL_PRIVATE
|
| mbed714 |
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|
307
|
#define LWIP_TIMEVAL_PRIVATE 1
|
| mbed714 |
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|
308
|
#endif
|
| mbed714 |
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|
309
|
|
| mbed714 |
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|
310
|
#if LWIP_TIMEVAL_PRIVATE
|
| mbed714 |
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|
311
|
struct timeval {
|
| mbed714 |
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|
312
|
long tv_sec; /* seconds */
|
| mbed714 |
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|
313
|
long tv_usec; /* and microseconds */
|
| mbed714 |
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|
314
|
};
|
| mbed714 |
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|
315
|
#endif /* LWIP_TIMEVAL_PRIVATE */
|
| mbed714 |
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|
316
|
|
| mbed714 |
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|
317
|
void lwip_socket_init(void);
|
| mbed714 |
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|
318
|
|
| mbed714 |
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|
319
|
int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
|
| mbed714 |
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|
320
|
int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
|
| mbed714 |
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|
321
|
int lwip_shutdown(int s, int how);
|
| mbed714 |
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|
322
|
int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
|
| mbed714 |
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|
323
|
int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
|
| mbed714 |
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|
324
|
int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
|
| mbed714 |
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|
325
|
int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
|
| mbed714 |
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|
326
|
int lwip_close(int s);
|
| mbed714 |
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|
327
|
int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
|
| mbed714 |
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|
328
|
int lwip_listen(int s, int backlog);
|
| mbed714 |
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|
329
|
int lwip_recv(int s, void *mem, size_t len, int flags);
|
| mbed714 |
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|
330
|
int lwip_read(int s, void *mem, size_t len);
|
| mbed714 |
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|
331
|
int lwip_recvfrom(int s, void *mem, size_t len, int flags,
|
| mbed714 |
0:d616ece2d859
|
332
|
struct sockaddr *from, socklen_t *fromlen);
|
| mbed714 |
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|
333
|
int lwip_send(int s, const void *dataptr, size_t size, int flags);
|
| mbed714 |
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|
334
|
int lwip_sendto(int s, const void *dataptr, size_t size, int flags,
|
| mbed714 |
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|
335
|
const struct sockaddr *to, socklen_t tolen);
|
| mbed714 |
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|
336
|
int lwip_socket(int domain, int type, int protocol);
|
| mbed714 |
0:d616ece2d859
|
337
|
int lwip_write(int s, const void *dataptr, size_t size);
|
| mbed714 |
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|
338
|
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
|
| mbed714 |
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|
339
|
struct timeval *timeout);
|
| mbed714 |
0:d616ece2d859
|
340
|
int lwip_ioctl(int s, long cmd, void *argp);
|
| mbed714 |
0:d616ece2d859
|
341
|
int lwip_fcntl(int s, int cmd, int val);
|
| mbed714 |
0:d616ece2d859
|
342
|
|
| mbed714 |
0:d616ece2d859
|
343
|
#if LWIP_COMPAT_SOCKETS
|
| mbed714 |
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|
344
|
#define accept(a,b,c) lwip_accept(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
345
|
#define bind(a,b,c) lwip_bind(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
346
|
#define shutdown(a,b) lwip_shutdown(a,b)
|
| mbed714 |
0:d616ece2d859
|
347
|
#define closesocket(s) lwip_close(s)
|
| mbed714 |
0:d616ece2d859
|
348
|
#define connect(a,b,c) lwip_connect(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
349
|
#define getsockname(a,b,c) lwip_getsockname(a,b,c)
|
| mbed714 |
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|
350
|
#define getpeername(a,b,c) lwip_getpeername(a,b,c)
|
| mbed714 |
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|
351
|
#define setsockopt(a,b,c,d,e) lwip_setsockopt(a,b,c,d,e)
|
| mbed714 |
0:d616ece2d859
|
352
|
#define getsockopt(a,b,c,d,e) lwip_getsockopt(a,b,c,d,e)
|
| mbed714 |
0:d616ece2d859
|
353
|
#define listen(a,b) lwip_listen(a,b)
|
| mbed714 |
0:d616ece2d859
|
354
|
#define recv(a,b,c,d) lwip_recv(a,b,c,d)
|
| mbed714 |
0:d616ece2d859
|
355
|
#define recvfrom(a,b,c,d,e,f) lwip_recvfrom(a,b,c,d,e,f)
|
| mbed714 |
0:d616ece2d859
|
356
|
#define send(a,b,c,d) lwip_send(a,b,c,d)
|
| mbed714 |
0:d616ece2d859
|
357
|
#define sendto(a,b,c,d,e,f) lwip_sendto(a,b,c,d,e,f)
|
| mbed714 |
0:d616ece2d859
|
358
|
#define socket(a,b,c) lwip_socket(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
359
|
#define select(a,b,c,d,e) lwip_select(a,b,c,d,e)
|
| mbed714 |
0:d616ece2d859
|
360
|
#define ioctlsocket(a,b,c) lwip_ioctl(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
361
|
|
| mbed714 |
0:d616ece2d859
|
362
|
#if LWIP_POSIX_SOCKETS_IO_NAMES
|
| mbed714 |
0:d616ece2d859
|
363
|
#define read(a,b,c) lwip_read(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
364
|
#define write(a,b,c) lwip_write(a,b,c)
|
| mbed714 |
0:d616ece2d859
|
365
|
#define close(s) lwip_close(s)
|
| mbed714 |
0:d616ece2d859
|
366
|
#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
|
| mbed714 |
0:d616ece2d859
|
367
|
|
| mbed714 |
0:d616ece2d859
|
368
|
#endif /* LWIP_COMPAT_SOCKETS */
|
| mbed714 |
0:d616ece2d859
|
369
|
|
| mbed714 |
0:d616ece2d859
|
370
|
#ifdef __cplusplus
|
| mbed714 |
0:d616ece2d859
|
371
|
}
|
| mbed714 |
0:d616ece2d859
|
372
|
#endif
|
| mbed714 |
0:d616ece2d859
|
373
|
|
| mbed714 |
0:d616ece2d859
|
374
|
#endif /* LWIP_SOCKET */
|
| mbed714 |
0:d616ece2d859
|
375
|
|
| mbed714 |
0:d616ece2d859
|
376
|
#endif /* __LWIP_SOCKETS_H__ */
|
Daniel Peter