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sockets.h
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6/*
7 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * This file is part of the lwIP TCP/IP stack.
33 *
34 * Author: Adam Dunkels <adam@sics.se>
35 *
36 */
37
38
39#ifndef LWIP_HDR_SOCKETS_H
40#define LWIP_HDR_SOCKETS_H
41
42#include "lwip/opt.h"
43
44#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
45
46#include "lwip/ip_addr.h"
47#include "lwip/netif.h"
48#include "lwip/err.h"
49#include "lwip/inet.h"
50#include "lwip/errno.h"
51
52#include <string.h>
53
54#ifdef __cplusplus
55extern "C" {
56#endif
57
58/* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED
59 to prevent this code from redefining it. */
60#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
61typedef u8_t sa_family_t;
62#endif
63/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED
64 to prevent this code from redefining it. */
65#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)
66typedef u16_t in_port_t;
67#endif
68
69#if LWIP_IPV4
70/* members are in network byte order */
71struct sockaddr_in {
72 u8_t sin_len;
73 sa_family_t sin_family;
74 in_port_t sin_port;
75 struct in_addr sin_addr;
76#define SIN_ZERO_LEN 8
77 char sin_zero[SIN_ZERO_LEN];
78};
79#endif /* LWIP_IPV4 */
80
81#if LWIP_IPV6
82struct sockaddr_in6 {
83 u8_t sin6_len; /* length of this structure */
84 sa_family_t sin6_family; /* AF_INET6 */
85 in_port_t sin6_port; /* Transport layer port # */
86 u32_t sin6_flowinfo; /* IPv6 flow information */
87 struct in6_addr sin6_addr; /* IPv6 address */
88 u32_t sin6_scope_id; /* Set of interfaces for scope */
89};
90#endif /* LWIP_IPV6 */
91
92struct sockaddr {
93 u8_t sa_len;
94 sa_family_t sa_family;
95 char sa_data[14];
96};
97
98struct sockaddr_storage {
99 u8_t s2_len;
100 sa_family_t ss_family;
101 char s2_data1[2];
102 u32_t s2_data2[3];
103#if LWIP_IPV6
104 u32_t s2_data3[3];
105#endif /* LWIP_IPV6 */
106};
107
108/* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED
109 to prevent this code from redefining it. */
110#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
111typedef u32_t socklen_t;
112#endif
113
114#if !defined IOV_MAX
115#define IOV_MAX 0xFFFF
116#elif IOV_MAX > 0xFFFF
117#error "IOV_MAX larger than supported by LwIP"
118#endif /* IOV_MAX */
119
120#if !defined(iovec)
121struct iovec {
122 void *iov_base;
123 size_t iov_len;
124};
125#endif
126
127struct msghdr {
128 void *msg_name;
129 socklen_t msg_namelen;
130 struct iovec *msg_iov;
131 int msg_iovlen;
132 void *msg_control;
133 socklen_t msg_controllen;
134 int msg_flags;
135};
136
137/* struct msghdr->msg_flags bit field values */
138#define MSG_TRUNC 0x04
139#define MSG_CTRUNC 0x08
140
141/* RFC 3542, Section 20: Ancillary Data */
142struct cmsghdr {
143 socklen_t cmsg_len; /* number of bytes, including header */
144 int cmsg_level; /* originating protocol */
145 int cmsg_type; /* protocol-specific type */
146};
147/* Data section follows header and possible padding, typically referred to as
148 unsigned char cmsg_data[]; */
149
150/* cmsg header/data alignment. NOTE: we align to native word size (double word
151size on 16-bit arch) so structures are not placed at an unaligned address.
15216-bit arch needs double word to ensure 32-bit alignment because socklen_t
153could be 32 bits. If we ever have cmsg data with a 64-bit variable, alignment
154will need to increase long long */
155#define ALIGN_H(size) (((size) + sizeof(long) - 1U) & ~(sizeof(long)-1U))
156#define ALIGN_D(size) ALIGN_H(size)
157
158#define CMSG_FIRSTHDR(mhdr) \
159 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
160 (struct cmsghdr *)(mhdr)->msg_control : \
161 (struct cmsghdr *)NULL)
162
163#define CMSG_NXTHDR(mhdr, cmsg) \
164 (((cmsg) == NULL) ? CMSG_FIRSTHDR(mhdr) : \
165 (((u8_t *)(cmsg) + ALIGN_H((cmsg)->cmsg_len) \
166 + ALIGN_D(sizeof(struct cmsghdr)) > \
167 (u8_t *)((mhdr)->msg_control) + (mhdr)->msg_controllen) ? \
168 (struct cmsghdr *)NULL : \
169 (struct cmsghdr *)((void*)((u8_t *)(cmsg) + \
170 ALIGN_H((cmsg)->cmsg_len)))))
171
172#define CMSG_DATA(cmsg) ((void*)((u8_t *)(cmsg) + \
173 ALIGN_D(sizeof(struct cmsghdr))))
174
175#define CMSG_SPACE(length) (ALIGN_D(sizeof(struct cmsghdr)) + \
176 ALIGN_H(length))
177
178#define CMSG_LEN(length) (ALIGN_D(sizeof(struct cmsghdr)) + \
179 length)
180
181/* Set socket options argument */
182#define IFNAMSIZ NETIF_NAMESIZE
183struct ifreq {
184 char ifr_name[IFNAMSIZ]; /* Interface name */
185};
186
187/* Socket protocol types (TCP/UDP/RAW) */
188#define SOCK_STREAM 1
189#define SOCK_DGRAM 2
190#define SOCK_RAW 3
191
192/*
193 * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
194 */
195#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
196#define SO_KEEPALIVE 0x0008 /* keep connections alive */
197#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
198
199
200/*
201 * Additional options, not kept in so_options.
202 */
203#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
204#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
205#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
206#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
207#define SO_LINGER 0x0080 /* linger on close if data present */
208#define SO_DONTLINGER ((int)(~SO_LINGER))
209#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
210#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
211#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
212#define SO_RCVBUF 0x1002 /* receive buffer size */
213#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
214#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
215#define SO_SNDTIMEO 0x1005 /* send timeout */
216#define SO_RCVTIMEO 0x1006 /* receive timeout */
217#define SO_ERROR 0x1007 /* get error status and clear */
218#define SO_TYPE 0x1008 /* get socket type */
219#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
220#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
221#define SO_BINDTODEVICE 0x100b /* bind to device */
222
223/*
224 * Structure used for manipulating linger option.
225 */
226struct linger {
227 int l_onoff; /* option on/off */
228 int l_linger; /* linger time in seconds */
229};
230
231/*
232 * Level number for (get/set)sockopt() to apply to socket itself.
233 */
234#define SOL_SOCKET 0xfff /* options for socket level */
235
236
237#define AF_UNSPEC 0
238#define AF_INET 2
239#if LWIP_IPV6
240#define AF_INET6 10
241#else /* LWIP_IPV6 */
242#define AF_INET6 AF_UNSPEC
243#endif /* LWIP_IPV6 */
244#define PF_INET AF_INET
245#define PF_INET6 AF_INET6
246#define PF_UNSPEC AF_UNSPEC
247
248#define IPPROTO_IP 0
249#define IPPROTO_ICMP 1
250#define IPPROTO_TCP 6
251#define IPPROTO_UDP 17
252#if LWIP_IPV6
253#define IPPROTO_IPV6 41
254#define IPPROTO_ICMPV6 58
255#endif /* LWIP_IPV6 */
256#define IPPROTO_UDPLITE 136
257#define IPPROTO_RAW 255
258
259/* Flags we can use with send and recv. */
260#define MSG_PEEK 0x01 /* Peeks at an incoming message */
261#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
262#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
263#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
264#define MSG_MORE 0x10 /* Sender will send more */
265#define MSG_NOSIGNAL 0x20 /* Uninmplemented: Requests not to send the SIGPIPE signal if an attempt to send is made on a stream-oriented socket that is no longer connected. */
266
267
268/*
269 * Options for level IPPROTO_IP
270 */
271#define IP_TOS 1
272#define IP_TTL 2
273#define IP_PKTINFO 8
274
275#if LWIP_TCP
276/*
277 * Options for level IPPROTO_TCP
278 */
279#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
280#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
281#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
282#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
283#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
284#endif /* LWIP_TCP */
285
286#if LWIP_IPV6
287/*
288 * Options for level IPPROTO_IPV6
289 */
290#define IPV6_CHECKSUM 7 /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */
291#define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
292#endif /* LWIP_IPV6 */
293
294#if LWIP_UDP && LWIP_UDPLITE
295/*
296 * Options for level IPPROTO_UDPLITE
297 */
298#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
299#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
300#endif /* LWIP_UDP && LWIP_UDPLITE*/
301
302
303#if LWIP_MULTICAST_TX_OPTIONS
304/*
305 * Options and types for UDP multicast traffic handling
306 */
307#define IP_MULTICAST_TTL 5
308#define IP_MULTICAST_IF 6
309#define IP_MULTICAST_LOOP 7
310#endif /* LWIP_MULTICAST_TX_OPTIONS */
311
312#if LWIP_IGMP
313/*
314 * Options and types related to multicast membership
315 */
316#define IP_ADD_MEMBERSHIP 3
317#define IP_DROP_MEMBERSHIP 4
318
319typedef struct ip_mreq {
320 struct in_addr imr_multiaddr; /* IP multicast address of group */
321 struct in_addr imr_interface; /* local IP address of interface */
322} ip_mreq;
323#endif /* LWIP_IGMP */
324
325#if LWIP_IPV4
326struct in_pktinfo {
327 unsigned int ipi_ifindex; /* Interface index */
328 struct in_addr ipi_addr; /* Destination (from header) address */
329};
330#endif /* LWIP_IPV4 */
331
332#if LWIP_IPV6_MLD
333/*
334 * Options and types related to IPv6 multicast membership
335 */
336#define IPV6_JOIN_GROUP 12
337#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
338#define IPV6_LEAVE_GROUP 13
339#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
340
341typedef struct ipv6_mreq {
342 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */
343 unsigned int ipv6mr_interface; /* interface index, or 0 */
344} ipv6_mreq;
345#endif /* LWIP_IPV6_MLD */
346
347/*
348 * The Type of Service provides an indication of the abstract
349 * parameters of the quality of service desired. These parameters are
350 * to be used to guide the selection of the actual service parameters
351 * when transmitting a datagram through a particular network. Several
352 * networks offer service precedence, which somehow treats high
353 * precedence traffic as more important than other traffic (generally
354 * by accepting only traffic above a certain precedence at time of high
355 * load). The major choice is a three way tradeoff between low-delay,
356 * high-reliability, and high-throughput.
357 * The use of the Delay, Throughput, and Reliability indications may
358 * increase the cost (in some sense) of the service. In many networks
359 * better performance for one of these parameters is coupled with worse
360 * performance on another. Except for very unusual cases at most two
361 * of these three indications should be set.
362 */
363#define IPTOS_TOS_MASK 0x1E
364#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
365#define IPTOS_LOWDELAY 0x10
366#define IPTOS_THROUGHPUT 0x08
367#define IPTOS_RELIABILITY 0x04
368#define IPTOS_LOWCOST 0x02
369#define IPTOS_MINCOST IPTOS_LOWCOST
370
371/*
372 * The Network Control precedence designation is intended to be used
373 * within a network only. The actual use and control of that
374 * designation is up to each network. The Internetwork Control
375 * designation is intended for use by gateway control originators only.
376 * If the actual use of these precedence designations is of concern to
377 * a particular network, it is the responsibility of that network to
378 * control the access to, and use of, those precedence designations.
379 */
380#define IPTOS_PREC_MASK 0xe0
381#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
382#define IPTOS_PREC_NETCONTROL 0xe0
383#define IPTOS_PREC_INTERNETCONTROL 0xc0
384#define IPTOS_PREC_CRITIC_ECP 0xa0
385#define IPTOS_PREC_FLASHOVERRIDE 0x80
386#define IPTOS_PREC_FLASH 0x60
387#define IPTOS_PREC_IMMEDIATE 0x40
388#define IPTOS_PREC_PRIORITY 0x20
389#define IPTOS_PREC_ROUTINE 0x00
390
391
392/*
393 * Commands for ioctlsocket(), taken from the BSD file fcntl.h.
394 * lwip_ioctl only supports FIONREAD and FIONBIO, for now
395 *
396 * Ioctl's have the command encoded in the lower word,
397 * and the size of any in or out parameters in the upper
398 * word. The high 2 bits of the upper word are used
399 * to encode the in/out status of the parameter; for now
400 * we restrict parameters to at most 128 bytes.
401 */
402#if !defined(FIONREAD) || !defined(FIONBIO)
403#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */
404#define IOC_VOID 0x20000000UL /* no parameters */
405#define IOC_OUT 0x40000000UL /* copy out parameters */
406#define IOC_IN 0x80000000UL /* copy in parameters */
407#define IOC_INOUT (IOC_IN|IOC_OUT)
408 /* 0x20000000 distinguishes new &
409 old ioctl's */
410#ifdef _IO
411#undef _IO //hz rlt⣬ֱú
412#endif
413
414#define _IO(x,y) ((long)(IOC_VOID|((x)<<8)|(y)))
415
416#define _IOR(x,y,t) ((long)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)))
417
418#define _IOW(x,y,t) ((long)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)))
419#endif /* !defined(FIONREAD) || !defined(FIONBIO) */
420
421#ifndef FIONREAD
422#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */
423#endif
424#ifndef FIONBIO
425#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
426#endif
427
428/* Socket I/O Controls: unimplemented */
429#ifndef SIOCSHIWAT
430#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */
431#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */
432#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */
433#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */
434#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */
435#endif
436
437/* commands for fnctl */
438#ifndef F_GETFL
439#define F_GETFL 3
440#endif
441#ifndef F_SETFL
442#define F_SETFL 4
443#endif
444
445/* File status flags and file access modes for fnctl,
446 these are bits in an int. */
447#ifndef O_NONBLOCK
448#define O_NONBLOCK 1 /* nonblocking I/O */
449#endif
450#ifndef O_NDELAY
451#define O_NDELAY O_NONBLOCK /* same as O_NONBLOCK, for compatibility */
452#endif
453#ifndef O_RDONLY
454#define O_RDONLY 2
455#endif
456#ifndef O_WRONLY
457#define O_WRONLY 4
458#endif
459#ifndef O_RDWR
460#define O_RDWR (O_RDONLY|O_WRONLY)
461#endif
462
463#ifndef SHUT_RD
464 #define SHUT_RD 0
465 #define SHUT_WR 1
466 #define SHUT_RDWR 2
467#endif
468
469/* FD_SET used for lwip_select */
470#ifndef FD_SET
471#undef FD_SETSIZE
472/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
473#define FD_SETSIZE MEMP_NUM_NETCONN
474#define LWIP_SELECT_MAXNFDS (FD_SETSIZE + LWIP_SOCKET_OFFSET)
475#define FDSETSAFESET(n, code) do { \
476 if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \
477 code; }} while(0)
478#define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\
479 (code) : 0)
480#define FD_SET(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] = (u8_t)((p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] | (1 << (((n)-LWIP_SOCKET_OFFSET) & 7))))
481#define FD_CLR(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] = (u8_t)((p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7))))
482#define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
483#define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p)))
484
485typedef struct fd_set
486{
487 unsigned char fd_bits [(FD_SETSIZE+7)/8];
488} fd_set;
489
490#elif FD_SETSIZE < (LWIP_SOCKET_OFFSET + MEMP_NUM_NETCONN)
491#error "external FD_SETSIZE too small for number of sockets"
492#else
493#define LWIP_SELECT_MAXNFDS FD_SETSIZE
494#endif /* FD_SET */
495
496/* poll-related defines and types */
497/* @todo: find a better way to guard the definition of these defines and types if already defined */
498#if !defined(POLLIN) && !defined(POLLOUT)
499#define POLLIN 0x1
500#define POLLOUT 0x2
501#define POLLERR 0x4
502#define POLLNVAL 0x8
503/* Below values are unimplemented */
504#define POLLRDNORM 0x10
505#define POLLRDBAND 0x20
506#define POLLPRI 0x40
507#define POLLWRNORM 0x80
508#define POLLWRBAND 0x100
509#define POLLHUP 0x200
510typedef unsigned int nfds_t;
511struct pollfd
512{
513 int fd;
514 short events;
515 short revents;
516};
517#endif
518
521#ifndef LWIP_TIMEVAL_PRIVATE
522#define LWIP_TIMEVAL_PRIVATE 1
523#endif
524
525#if LWIP_TIMEVAL_PRIVATE
526struct timeval {
527 long tv_sec; /* seconds */
528 long tv_usec; /* and microseconds */
529};
530#endif /* LWIP_TIMEVAL_PRIVATE */
531
532#define lwip_socket_init() /* Compatibility define, no init needed. */
533err_t lwip_socket_thread_init(void *task); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */
534err_t lwip_socket_thread_cleanup(void *task); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */
535
536#if LWIP_COMPAT_SOCKETS == 2
537/* This helps code parsers/code completion by not having the COMPAT functions as defines */
538#define lwip_accept accept
539#define lwip_bind bind
540#define lwip_shutdown shutdown
541#define lwip_getpeername getpeername
542#define lwip_getsockname getsockname
543#define lwip_setsockopt setsockopt
544#define lwip_getsockopt getsockopt
545#define lwip_close closesocket
546#define lwip_connect connect
547#define lwip_listen listen
548#define lwip_recv recv
549#define lwip_recvmsg recvmsg
550#define lwip_recvfrom recvfrom
551#define lwip_send send
552#define lwip_sendmsg sendmsg
553#define lwip_sendto sendto
554#define lwip_socket socket
555#if LWIP_SOCKET_SELECT
556#define lwip_select select
557#endif
558#if LWIP_SOCKET_POLL
559#define lwip_poll poll
560#endif
561#define lwip_ioctl ioctlsocket
562#define lwip_inet_ntop inet_ntop
563#define lwip_inet_pton inet_pton
564
565#if LWIP_POSIX_SOCKETS_IO_NAMES
566#define lwip_read read
567#define lwip_readv readv
568#define lwip_write write
569#define lwip_writev writev
570#undef lwip_close
571#define lwip_close close
572#define closesocket(s) close(s)
573int fcntl(int s, int cmd, ...);
574#undef lwip_ioctl
575#define lwip_ioctl ioctl
576#define ioctlsocket ioctl
577#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
578#endif /* LWIP_COMPAT_SOCKETS == 2 */
579
580int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
581int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
582int lwip_shutdown(int s, int how);
583int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
584int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
585int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
586int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
587 int lwip_close(int s);
588int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
589int lwip_listen(int s, int backlog);
590ssize_t lwip_recv(int s, void *mem, size_t len, int flags);
591ssize_t lwip_read(int s, void *mem, size_t len);
592ssize_t lwip_readv(int s, const struct iovec *iov, int iovcnt);
593ssize_t lwip_recvfrom(int s, void *mem, size_t len, int flags,
594 struct sockaddr *from, socklen_t *fromlen);
595ssize_t lwip_recvmsg(int s, struct msghdr *message, int flags);
596ssize_t lwip_send(int s, const void *dataptr, size_t size, int flags);
597ssize_t lwip_sendmsg(int s, const struct msghdr *message, int flags);
598ssize_t lwip_sendto(int s, const void *dataptr, size_t size, int flags,
599 const struct sockaddr *to, socklen_t tolen);
600int lwip_socket(int domain, int type, int protocol);
601ssize_t lwip_write(int s, const void *dataptr, size_t size);
602ssize_t lwip_writev(int s, const struct iovec *iov, int iovcnt);
603#if LWIP_SOCKET_SELECT
604int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
605 struct timeval *timeout);
606#endif
607#if LWIP_SOCKET_POLL
608int lwip_poll(struct pollfd *fds, nfds_t nfds, int timeout);
609#endif
610int lwip_ioctl(int s, long cmd, void *argp);
611int lwip_fcntl(int s, int cmd, int val);
612const char *lwip_inet_ntop(int af, const void *src, char *dst, socklen_t size);
613int lwip_inet_pton(int af, const char *src, void *dst);
614
615#if LWIP_COMPAT_SOCKETS
616#if LWIP_COMPAT_SOCKETS != 2
618#define accept(s,addr,addrlen) lwip_accept(s,addr,addrlen)
620#define bind(s,name,namelen) lwip_bind(s,name,namelen)
622#define shutdown(s,how) lwip_shutdown(s,how)
624#define getpeername(s,name,namelen) lwip_getpeername(s,name,namelen)
626#define getsockname(s,name,namelen) lwip_getsockname(s,name,namelen)
628#define setsockopt(s,level,optname,opval,optlen) lwip_setsockopt(s,level,optname,opval,optlen)
630#define getsockopt(s,level,optname,opval,optlen) lwip_getsockopt(s,level,optname,opval,optlen)
632#define closesocket(s) lwip_close(s)
634#define connect(s,name,namelen) lwip_connect(s,name,namelen)
636#define listen(s,backlog) lwip_listen(s,backlog)
638#define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags)
640#define recvmsg(s,message,flags) lwip_recvmsg(s,message,flags)
642#define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen)
644#define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags)
646#define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags)
648#define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen)
650#define socket(domain,type,protocol) lwip_socket(domain,type,protocol)
651#if LWIP_SOCKET_SELECT
653#define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout)
654#endif
655#if LWIP_SOCKET_POLL
657#define poll(fds,nfds,timeout) lwip_poll(fds,nfds,timeout)
658#endif
660#define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp)
662#define inet_ntop(af,src,dst,size) lwip_inet_ntop(af,src,dst,size)
664#define inet_pton(af,src,dst) lwip_inet_pton(af,src,dst)
665
666#if LWIP_POSIX_SOCKETS_IO_NAMES
668#define read(s,mem,len) lwip_read(s,mem,len)
670#define readv(s,iov,iovcnt) lwip_readv(s,iov,iovcnt)
672#define write(s,dataptr,len) lwip_write(s,dataptr,len)
674#define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt)
676#define close(s) lwip_close(s)
678#define fcntl(s,cmd,val) lwip_fcntl(s,cmd,val)
680#define ioctl(s,cmd,argp) lwip_ioctl(s,cmd,argp)
681#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
682#endif /* LWIP_COMPAT_SOCKETS != 2 */
683
684#endif /* LWIP_COMPAT_SOCKETS */
685
686#ifdef __cplusplus
687}
688#endif
689
690#endif /* LWIP_SOCKET */
691
692#endif /* LWIP_HDR_SOCKETS_H */
s8_t err_t
Definition: err.h:96
Definition: inet.h:62
Definition: inet.h:58