1/** 2 * @file 3 * Socket API (to be used from non-TCPIP threads) 4 */ 5 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/err.h" 48#include "lwip/inet.h" 49#include "lwip/errno.h" 50 51#ifdef __cplusplus 52extern "C" { 53#endif 54 55/* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED 56 to prevent this code from redefining it. */ 57#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED) 58typedef u8_t sa_family_t; 59#endif 60/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED 61 to prevent this code from redefining it. */ 62#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED) 63typedef u16_t in_port_t; 64#endif 65 66#if LWIP_IPV4 67/* members are in network byte order */ 68struct sockaddr_in { 69 u8_t sin_len; 70 sa_family_t sin_family; 71 in_port_t sin_port; 72 struct in_addr sin_addr; 73#define SIN_ZERO_LEN 8 74 char sin_zero[SIN_ZERO_LEN]; 75}; 76#endif /* LWIP_IPV4 */ 77 78#if LWIP_IPV6 79struct sockaddr_in6 { 80 u8_t sin6_len; /* length of this structure */ 81 sa_family_t sin6_family; /* AF_INET6 */ 82 in_port_t sin6_port; /* Transport layer port # */ 83 u32_t sin6_flowinfo; /* IPv6 flow information */ 84 struct in6_addr sin6_addr; /* IPv6 address */ 85 u32_t sin6_scope_id; /* Set of interfaces for scope */ 86}; 87#endif /* LWIP_IPV6 */ 88 89struct sockaddr { 90 u8_t sa_len; 91 sa_family_t sa_family; 92 char sa_data[14]; 93}; 94 95struct sockaddr_storage { 96 u8_t s2_len; 97 sa_family_t ss_family; 98 char s2_data1[2]; 99 u32_t s2_data2[3]; 100#if LWIP_IPV6 101 u32_t s2_data3[3]; 102#endif /* LWIP_IPV6 */ 103}; 104 105/* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED 106 to prevent this code from redefining it. */ 107#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED) 108typedef u32_t socklen_t; 109#endif 110 111struct lwip_sock; 112 113#if !LWIP_TCPIP_CORE_LOCKING 114/** Maximum optlen used by setsockopt/getsockopt */ 115#define LWIP_SETGETSOCKOPT_MAXOPTLEN 16 116 117/** This struct is used to pass data to the set/getsockopt_internal 118 * functions running in tcpip_thread context (only a void* is allowed) */ 119struct lwip_setgetsockopt_data { 120 /** socket index for which to change options */ 121 int s; 122 /** level of the option to process */ 123 int level; 124 /** name of the option to process */ 125 int optname; 126 /** set: value to set the option to 127 * get: value of the option is stored here */ 128#if LWIP_MPU_COMPATIBLE 129 u8_t optval[LWIP_SETGETSOCKOPT_MAXOPTLEN]; 130#else 131 union { 132 void *p; 133 const void *pc; 134 } optval; 135#endif 136 /** size of *optval */ 137 socklen_t optlen; 138 /** if an error occurs, it is temporarily stored here */ 139 err_t err; 140 /** semaphore to wake up the calling task */ 141 void* completed_sem; 142}; 143#endif /* !LWIP_TCPIP_CORE_LOCKING */ 144 145#if !defined(iovec) 146struct iovec { 147 void *iov_base; 148 size_t iov_len; 149}; 150#endif 151 152struct msghdr { 153 void *msg_name; 154 socklen_t msg_namelen; 155 struct iovec *msg_iov; 156 int msg_iovlen; 157 void *msg_control; 158 socklen_t msg_controllen; 159 int msg_flags; 160}; 161 162/* Socket protocol types (TCP/UDP/RAW) */ 163#define SOCK_STREAM 1 164#define SOCK_DGRAM 2 165#define SOCK_RAW 3 166 167/* 168 * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c) 169 */ 170#define SO_REUSEADDR 0x0004 /* Allow local address reuse */ 171#define SO_KEEPALIVE 0x0008 /* keep connections alive */ 172#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ 173 174 175/* 176 * Additional options, not kept in so_options. 177 */ 178#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */ 179#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 180#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */ 181#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */ 182#define SO_LINGER 0x0080 /* linger on close if data present */ 183#define SO_DONTLINGER ((int)(~SO_LINGER)) 184#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */ 185#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */ 186#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */ 187#define SO_RCVBUF 0x1002 /* receive buffer size */ 188#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */ 189#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */ 190#define SO_SNDTIMEO 0x1005 /* send timeout */ 191#define SO_RCVTIMEO 0x1006 /* receive timeout */ 192#define SO_ERROR 0x1007 /* get error status and clear */ 193#define SO_TYPE 0x1008 /* get socket type */ 194#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */ 195#define SO_NO_CHECK 0x100a /* don't create UDP checksum */ 196 197 198/* 199 * Structure used for manipulating linger option. 200 */ 201struct linger { 202 int l_onoff; /* option on/off */ 203 int l_linger; /* linger time in seconds */ 204}; 205 206/* 207 * Level number for (get/set)sockopt() to apply to socket itself. 208 */ 209#define SOL_SOCKET 0xfff /* options for socket level */ 210 211 212#define AF_UNSPEC 0 213#define AF_INET 2 214#if LWIP_IPV6 215#define AF_INET6 10 216#else /* LWIP_IPV6 */ 217#define AF_INET6 AF_UNSPEC 218#endif /* LWIP_IPV6 */ 219#define PF_INET AF_INET 220#define PF_INET6 AF_INET6 221#define PF_UNSPEC AF_UNSPEC 222 223#define IPPROTO_IP 0 224#define IPPROTO_ICMP 1 225#define IPPROTO_TCP 6 226#define IPPROTO_UDP 17 227#if LWIP_IPV6 228#define IPPROTO_IPV6 41 229#define IPPROTO_ICMPV6 58 230#endif /* LWIP_IPV6 */ 231#define IPPROTO_UDPLITE 136 232#define IPPROTO_RAW 255 233 234/* Flags we can use with send and recv. */ 235#define MSG_PEEK 0x01 /* Peeks at an incoming message */ 236#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */ 237#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */ 238#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */ 239#define MSG_MORE 0x10 /* Sender will send more */ 240 241 242/* 243 * Options for level IPPROTO_IP 244 */ 245#define IP_TOS 1 246#define IP_TTL 2 247 248#if LWIP_TCP 249/* 250 * Options for level IPPROTO_TCP 251 */ 252#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ 253#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */ 254#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */ 255#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */ 256#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */ 257#endif /* LWIP_TCP */ 258 259#if LWIP_IPV6 260/* 261 * Options for level IPPROTO_IPV6 262 */ 263#define IPV6_CHECKSUM 7 /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */ 264#define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */ 265#endif /* LWIP_IPV6 */ 266 267#if LWIP_UDP && LWIP_UDPLITE 268/* 269 * Options for level IPPROTO_UDPLITE 270 */ 271#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */ 272#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */ 273#endif /* LWIP_UDP && LWIP_UDPLITE*/ 274 275 276#if LWIP_MULTICAST_TX_OPTIONS 277/* 278 * Options and types for UDP multicast traffic handling 279 */ 280#define IP_MULTICAST_TTL 5 281#define IP_MULTICAST_IF 6 282#define IP_MULTICAST_LOOP 7 283#endif /* LWIP_MULTICAST_TX_OPTIONS */ 284 285#if LWIP_IGMP 286/* 287 * Options and types related to multicast membership 288 */ 289#define IP_ADD_MEMBERSHIP 3 290#define IP_DROP_MEMBERSHIP 4 291 292typedef struct ip_mreq { 293 struct in_addr imr_multiaddr; /* IP multicast address of group */ 294 struct in_addr imr_interface; /* local IP address of interface */ 295} ip_mreq; 296#endif /* LWIP_IGMP */ 297 298/* 299 * The Type of Service provides an indication of the abstract 300 * parameters of the quality of service desired. These parameters are 301 * to be used to guide the selection of the actual service parameters 302 * when transmitting a datagram through a particular network. Several 303 * networks offer service precedence, which somehow treats high 304 * precedence traffic as more important than other traffic (generally 305 * by accepting only traffic above a certain precedence at time of high 306 * load). The major choice is a three way tradeoff between low-delay, 307 * high-reliability, and high-throughput. 308 * The use of the Delay, Throughput, and Reliability indications may 309 * increase the cost (in some sense) of the service. In many networks 310 * better performance for one of these parameters is coupled with worse 311 * performance on another. Except for very unusual cases at most two 312 * of these three indications should be set. 313 */ 314#define IPTOS_TOS_MASK 0x1E 315#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK) 316#define IPTOS_LOWDELAY 0x10 317#define IPTOS_THROUGHPUT 0x08 318#define IPTOS_RELIABILITY 0x04 319#define IPTOS_LOWCOST 0x02 320#define IPTOS_MINCOST IPTOS_LOWCOST 321 322/* 323 * The Network Control precedence designation is intended to be used 324 * within a network only. The actual use and control of that 325 * designation is up to each network. The Internetwork Control 326 * designation is intended for use by gateway control originators only. 327 * If the actual use of these precedence designations is of concern to 328 * a particular network, it is the responsibility of that network to 329 * control the access to, and use of, those precedence designations. 330 */ 331#define IPTOS_PREC_MASK 0xe0 332#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK) 333#define IPTOS_PREC_NETCONTROL 0xe0 334#define IPTOS_PREC_INTERNETCONTROL 0xc0 335#define IPTOS_PREC_CRITIC_ECP 0xa0 336#define IPTOS_PREC_FLASHOVERRIDE 0x80 337#define IPTOS_PREC_FLASH 0x60 338#define IPTOS_PREC_IMMEDIATE 0x40 339#define IPTOS_PREC_PRIORITY 0x20 340#define IPTOS_PREC_ROUTINE 0x00 341 342 343/* 344 * Commands for ioctlsocket(), taken from the BSD file fcntl.h. 345 * lwip_ioctl only supports FIONREAD and FIONBIO, for now 346 * 347 * Ioctl's have the command encoded in the lower word, 348 * and the size of any in or out parameters in the upper 349 * word. The high 2 bits of the upper word are used 350 * to encode the in/out status of the parameter; for now 351 * we restrict parameters to at most 128 bytes. 352 */ 353#if !defined(FIONREAD) || !defined(FIONBIO) 354#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */ 355#define IOC_VOID 0x20000000UL /* no parameters */ 356#define IOC_OUT 0x40000000UL /* copy out parameters */ 357#define IOC_IN 0x80000000UL /* copy in parameters */ 358#define IOC_INOUT (IOC_IN|IOC_OUT) 359 /* 0x20000000 distinguishes new & 360 old ioctl's */ 361#define _IO(x,y) (IOC_VOID|((x)<<8)|(y)) 362 363#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) 364 365#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) 366#endif /* !defined(FIONREAD) || !defined(FIONBIO) */ 367 368#ifndef FIONREAD 369#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */ 370#endif 371#ifndef FIONBIO 372#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */ 373#endif 374 375/* Socket I/O Controls: unimplemented */ 376#ifndef SIOCSHIWAT 377#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */ 378#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */ 379#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */ 380#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */ 381#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */ 382#endif 383 384/* commands for fnctl */ 385#ifndef F_GETFL 386#define F_GETFL 3 387#endif 388#ifndef F_SETFL 389#define F_SETFL 4 390#endif 391 392/* File status flags and file access modes for fnctl, 393 these are bits in an int. */ 394#ifndef O_NONBLOCK 395#define O_NONBLOCK 1 /* nonblocking I/O */ 396#endif 397#ifndef O_NDELAY 398#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */ 399#endif 400 401#ifndef SHUT_RD 402 #define SHUT_RD 0 403 #define SHUT_WR 1 404 #define SHUT_RDWR 2 405#endif 406 407/* FD_SET used for lwip_select */ 408#ifndef FD_SET 409#undef FD_SETSIZE 410/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */ 411#define FD_SETSIZE MEMP_NUM_NETCONN 412#define FDSETSAFESET(n, code) do { \ 413 if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \ 414 code; }} while(0) 415#define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\ 416 (code) : 0) 417#define FD_SET(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |= (1 << (((n)-LWIP_SOCKET_OFFSET) & 7))) 418#define FD_CLR(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7))) 419#define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7))) 420#define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p))) 421 422typedef struct fd_set 423{ 424 unsigned char fd_bits [(FD_SETSIZE+7)/8]; 425} fd_set; 426 427#elif LWIP_SOCKET_OFFSET 428#error LWIP_SOCKET_OFFSET does not work with external FD_SET! 429#elif FD_SETSIZE < MEMP_NUM_NETCONN 430#error "external FD_SETSIZE too small for number of sockets" 431#endif /* FD_SET */ 432 433/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided 434 * by your system, set this to 0 and include <sys/time.h> in cc.h */ 435#ifndef LWIP_TIMEVAL_PRIVATE 436#define LWIP_TIMEVAL_PRIVATE 1 437#endif 438 439#if LWIP_TIMEVAL_PRIVATE 440struct timeval { 441 long tv_sec; /* seconds */ 442 long tv_usec; /* and microseconds */ 443}; 444#endif /* LWIP_TIMEVAL_PRIVATE */ 445 446#define lwip_socket_init() /* Compatibility define, no init needed. */ 447void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */ 448void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */ 449 450#if LWIP_COMPAT_SOCKETS == 2 451/* This helps code parsers/code completion by not having the COMPAT functions as defines */ 452#define lwip_accept accept 453#define lwip_bind bind 454#define lwip_shutdown shutdown 455#define lwip_getpeername getpeername 456#define lwip_getsockname getsockname 457#define lwip_setsockopt setsockopt 458#define lwip_getsockopt getsockopt 459#define lwip_close closesocket 460#define lwip_connect connect 461#define lwip_listen listen 462#define lwip_recv recv 463#define lwip_recvfrom recvfrom 464#define lwip_send send 465#define lwip_sendmsg sendmsg 466#define lwip_sendto sendto 467#define lwip_socket socket 468#define lwip_select select 469#define lwip_ioctlsocket ioctl 470 471#if LWIP_POSIX_SOCKETS_IO_NAMES 472#define lwip_read read 473#define lwip_write write 474#define lwip_writev writev 475#undef lwip_close 476#define lwip_close close 477#define closesocket(s) close(s) 478#define lwip_fcntl fcntl 479#define lwip_ioctl ioctl 480#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */ 481#endif /* LWIP_COMPAT_SOCKETS == 2 */ 482 483int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen); 484int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen); 485int lwip_shutdown(int s, int how); 486int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen); 487int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen); 488int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen); 489int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen); 490int lwip_close(int s); 491int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen); 492int lwip_listen(int s, int backlog); 493int lwip_recv(int s, void *mem, size_t len, int flags); 494int lwip_read(int s, void *mem, size_t len); 495int lwip_recvfrom(int s, void *mem, size_t len, int flags, 496 struct sockaddr *from, socklen_t *fromlen); 497int lwip_send(int s, const void *dataptr, size_t size, int flags); 498int lwip_sendmsg(int s, const struct msghdr *message, int flags); 499int lwip_sendto(int s, const void *dataptr, size_t size, int flags, 500 const struct sockaddr *to, socklen_t tolen); 501int lwip_socket(int domain, int type, int protocol); 502int lwip_write(int s, const void *dataptr, size_t size); 503int lwip_writev(int s, const struct iovec *iov, int iovcnt); 504int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, 505 struct timeval *timeout); 506int lwip_ioctl(int s, long cmd, void *argp); 507int lwip_fcntl(int s, int cmd, int val); 508 509#if LWIP_COMPAT_SOCKETS 510#if LWIP_COMPAT_SOCKETS != 2 511/** @ingroup socket */ 512#define accept(s,addr,addrlen) lwip_accept(s,addr,addrlen) 513/** @ingroup socket */ 514#define bind(s,name,namelen) lwip_bind(s,name,namelen) 515/** @ingroup socket */ 516#define shutdown(s,how) lwip_shutdown(s,how) 517/** @ingroup socket */ 518#define getpeername(s,name,namelen) lwip_getpeername(s,name,namelen) 519/** @ingroup socket */ 520#define getsockname(s,name,namelen) lwip_getsockname(s,name,namelen) 521/** @ingroup socket */ 522#define setsockopt(s,level,optname,opval,optlen) lwip_setsockopt(s,level,optname,opval,optlen) 523/** @ingroup socket */ 524#define getsockopt(s,level,optname,opval,optlen) lwip_getsockopt(s,level,optname,opval,optlen) 525/** @ingroup socket */ 526#define closesocket(s) lwip_close(s) 527/** @ingroup socket */ 528#define connect(s,name,namelen) lwip_connect(s,name,namelen) 529/** @ingroup socket */ 530#define listen(s,backlog) lwip_listen(s,backlog) 531/** @ingroup socket */ 532#define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags) 533/** @ingroup socket */ 534#define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen) 535/** @ingroup socket */ 536#define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags) 537/** @ingroup socket */ 538#define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags) 539/** @ingroup socket */ 540#define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen) 541/** @ingroup socket */ 542#define socket(domain,type,protocol) lwip_socket(domain,type,protocol) 543/** @ingroup socket */ 544#define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout) 545/** @ingroup socket */ 546#define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp) 547 548#if LWIP_POSIX_SOCKETS_IO_NAMES 549/** @ingroup socket */ 550#define read(s,mem,len) lwip_read(s,mem,len) 551/** @ingroup socket */ 552#define write(s,dataptr,len) lwip_write(s,dataptr,len) 553/** @ingroup socket */ 554#define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt) 555/** @ingroup socket */ 556#define close(s) lwip_close(s) 557/** @ingroup socket */ 558#define fcntl(s,cmd,val) lwip_fcntl(s,cmd,val) 559/** @ingroup socket */ 560#define ioctl(s,cmd,argp) lwip_ioctl(s,cmd,argp) 561#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */ 562#endif /* LWIP_COMPAT_SOCKETS != 2 */ 563 564#if LWIP_IPV4 && LWIP_IPV6 565/** @ingroup socket */ 566#define inet_ntop(af,src,dst,size) \ 567 (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) \ 568 : (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL)) 569/** @ingroup socket */ 570#define inet_pton(af,src,dst) \ 571 (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) \ 572 : (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)) 573#elif LWIP_IPV4 /* LWIP_IPV4 && LWIP_IPV6 */ 574#define inet_ntop(af,src,dst,size) \ 575 (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL) 576#define inet_pton(af,src,dst) \ 577 (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0) 578#else /* LWIP_IPV4 && LWIP_IPV6 */ 579#define inet_ntop(af,src,dst,size) \ 580 (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) : NULL) 581#define inet_pton(af,src,dst) \ 582 (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) : 0) 583#endif /* LWIP_IPV4 && LWIP_IPV6 */ 584 585#endif /* LWIP_COMPAT_SOCKETS */ 586 587#ifdef __cplusplus 588} 589#endif 590 591#endif /* LWIP_SOCKET */ 592 593#endif /* LWIP_HDR_SOCKETS_H */ 594