BadVPN – Blame information for rev 1

Subversion Repositories:
Rev:
Rev Author Line No. Line
1 office 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/netif.h"
48 #include "lwip/err.h"
49 #include "lwip/inet.h"
50 #include "lwip/errno.h"
51  
52 #ifdef __cplusplus
53 extern "C" {
54 #endif
55  
56 /* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED
57 to prevent this code from redefining it. */
58 #if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
59 typedef u8_t sa_family_t;
60 #endif
61 /* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED
62 to prevent this code from redefining it. */
63 #if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)
64 typedef u16_t in_port_t;
65 #endif
66  
67 #if LWIP_IPV4
68 /* members are in network byte order */
69 struct sockaddr_in {
70 u8_t sin_len;
71 sa_family_t sin_family;
72 in_port_t sin_port;
73 struct in_addr sin_addr;
74 #define SIN_ZERO_LEN 8
75 char sin_zero[SIN_ZERO_LEN];
76 };
77 #endif /* LWIP_IPV4 */
78  
79 #if LWIP_IPV6
80 struct sockaddr_in6 {
81 u8_t sin6_len; /* length of this structure */
82 sa_family_t sin6_family; /* AF_INET6 */
83 in_port_t sin6_port; /* Transport layer port # */
84 u32_t sin6_flowinfo; /* IPv6 flow information */
85 struct in6_addr sin6_addr; /* IPv6 address */
86 u32_t sin6_scope_id; /* Set of interfaces for scope */
87 };
88 #endif /* LWIP_IPV6 */
89  
90 struct sockaddr {
91 u8_t sa_len;
92 sa_family_t sa_family;
93 char sa_data[14];
94 };
95  
96 struct sockaddr_storage {
97 u8_t s2_len;
98 sa_family_t ss_family;
99 char s2_data1[2];
100 u32_t s2_data2[3];
101 #if LWIP_IPV6
102 u32_t s2_data3[3];
103 #endif /* LWIP_IPV6 */
104 };
105  
106 /* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED
107 to prevent this code from redefining it. */
108 #if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
109 typedef u32_t socklen_t;
110 #endif
111  
112 #if !defined IOV_MAX
113 #define IOV_MAX 0xFFFF
114 #elif IOV_MAX > 0xFFFF
115 #error "IOV_MAX larger than supported by LwIP"
116 #endif /* IOV_MAX */
117  
118 #if !defined(iovec)
119 struct iovec {
120 void *iov_base;
121 size_t iov_len;
122 };
123 #endif
124  
125 struct msghdr {
126 void *msg_name;
127 socklen_t msg_namelen;
128 struct iovec *msg_iov;
129 int msg_iovlen;
130 void *msg_control;
131 socklen_t msg_controllen;
132 int msg_flags;
133 };
134  
135 /* struct msghdr->msg_flags bit field values */
136 #define MSG_TRUNC 0x04
137 #define MSG_CTRUNC 0x08
138  
139 /* RFC 3542, Section 20: Ancillary Data */
140 struct cmsghdr {
141 socklen_t cmsg_len; /* number of bytes, including header */
142 int cmsg_level; /* originating protocol */
143 int cmsg_type; /* protocol-specific type */
144 };
145 /* Data section follows header and possible padding, typically referred to as
146 unsigned char cmsg_data[]; */
147  
148 /* cmsg header/data alignment. NOTE: we align to native word size (double word
149 size on 16-bit arch) so structures are not placed at an unaligned address.
150 16-bit arch needs double word to ensure 32-bit alignment because socklen_t
151 could be 32 bits. If we ever have cmsg data with a 64-bit variable, alignment
152 will need to increase long long */
153 #define ALIGN_H(size) (((size) + sizeof(long) - 1U) & ~(sizeof(long)-1U))
154 #define ALIGN_D(size) ALIGN_H(size)
155  
156 #define CMSG_FIRSTHDR(mhdr) \
157 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
158 (struct cmsghdr *)(mhdr)->msg_control : \
159 (struct cmsghdr *)NULL)
160  
161 #define CMSG_NXTHDR(mhdr, cmsg) \
162 (((cmsg) == NULL) ? CMSG_FIRSTHDR(mhdr) : \
163 (((u8_t *)(cmsg) + ALIGN_H((cmsg)->cmsg_len) \
164 + ALIGN_D(sizeof(struct cmsghdr)) > \
165 (u8_t *)((mhdr)->msg_control) + (mhdr)->msg_controllen) ? \
166 (struct cmsghdr *)NULL : \
167 (struct cmsghdr *)((void*)((u8_t *)(cmsg) + \
168 ALIGN_H((cmsg)->cmsg_len)))))
169  
170 #define CMSG_DATA(cmsg) ((void*)((u8_t *)(cmsg) + \
171 ALIGN_D(sizeof(struct cmsghdr))))
172  
173 #define CMSG_SPACE(length) (ALIGN_D(sizeof(struct cmsghdr)) + \
174 ALIGN_H(length))
175  
176 #define CMSG_LEN(length) (ALIGN_D(sizeof(struct cmsghdr)) + \
177 length)
178  
179 /* Set socket options argument */
180 #define IFNAMSIZ NETIF_NAMESIZE
181 struct ifreq {
182 char ifr_name[IFNAMSIZ]; /* Interface name */
183 };
184  
185 /* Socket protocol types (TCP/UDP/RAW) */
186 #define SOCK_STREAM 1
187 #define SOCK_DGRAM 2
188 #define SOCK_RAW 3
189  
190 /*
191 * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
192 */
193 #define SO_REUSEADDR 0x0004 /* Allow local address reuse */
194 #define SO_KEEPALIVE 0x0008 /* keep connections alive */
195 #define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
196  
197  
198 /*
199 * Additional options, not kept in so_options.
200 */
201 #define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
202 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
203 #define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
204 #define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
205 #define SO_LINGER 0x0080 /* linger on close if data present */
206 #define SO_DONTLINGER ((int)(~SO_LINGER))
207 #define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
208 #define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
209 #define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
210 #define SO_RCVBUF 0x1002 /* receive buffer size */
211 #define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
212 #define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
213 #define SO_SNDTIMEO 0x1005 /* send timeout */
214 #define SO_RCVTIMEO 0x1006 /* receive timeout */
215 #define SO_ERROR 0x1007 /* get error status and clear */
216 #define SO_TYPE 0x1008 /* get socket type */
217 #define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
218 #define SO_NO_CHECK 0x100a /* don't create UDP checksum */
219 #define SO_BINDTODEVICE 0x100b /* bind to device */
220  
221 /*
222 * Structure used for manipulating linger option.
223 */
224 struct linger {
225 int l_onoff; /* option on/off */
226 int l_linger; /* linger time in seconds */
227 };
228  
229 /*
230 * Level number for (get/set)sockopt() to apply to socket itself.
231 */
232 #define SOL_SOCKET 0xfff /* options for socket level */
233  
234  
235 #define AF_UNSPEC 0
236 #define AF_INET 2
237 #if LWIP_IPV6
238 #define AF_INET6 10
239 #else /* LWIP_IPV6 */
240 #define AF_INET6 AF_UNSPEC
241 #endif /* LWIP_IPV6 */
242 #define PF_INET AF_INET
243 #define PF_INET6 AF_INET6
244 #define PF_UNSPEC AF_UNSPEC
245  
246 #define IPPROTO_IP 0
247 #define IPPROTO_ICMP 1
248 #define IPPROTO_TCP 6
249 #define IPPROTO_UDP 17
250 #if LWIP_IPV6
251 #define IPPROTO_IPV6 41
252 #define IPPROTO_ICMPV6 58
253 #endif /* LWIP_IPV6 */
254 #define IPPROTO_UDPLITE 136
255 #define IPPROTO_RAW 255
256  
257 /* Flags we can use with send and recv. */
258 #define MSG_PEEK 0x01 /* Peeks at an incoming message */
259 #define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
260 #define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
261 #define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
262 #define MSG_MORE 0x10 /* Sender will send more */
263 #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. */
264  
265  
266 /*
267 * Options for level IPPROTO_IP
268 */
269 #define IP_TOS 1
270 #define IP_TTL 2
271 #define IP_PKTINFO 8
272  
273 #if LWIP_TCP
274 /*
275 * Options for level IPPROTO_TCP
276 */
277 #define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
278 #define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
279 #define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
280 #define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
281 #define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
282 #endif /* LWIP_TCP */
283  
284 #if LWIP_IPV6
285 /*
286 * Options for level IPPROTO_IPV6
287 */
288 #define IPV6_CHECKSUM 7 /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */
289 #define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
290 #endif /* LWIP_IPV6 */
291  
292 #if LWIP_UDP && LWIP_UDPLITE
293 /*
294 * Options for level IPPROTO_UDPLITE
295 */
296 #define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
297 #define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
298 #endif /* LWIP_UDP && LWIP_UDPLITE*/
299  
300  
301 #if LWIP_MULTICAST_TX_OPTIONS
302 /*
303 * Options and types for UDP multicast traffic handling
304 */
305 #define IP_MULTICAST_TTL 5
306 #define IP_MULTICAST_IF 6
307 #define IP_MULTICAST_LOOP 7
308 #endif /* LWIP_MULTICAST_TX_OPTIONS */
309  
310 #if LWIP_IGMP
311 /*
312 * Options and types related to multicast membership
313 */
314 #define IP_ADD_MEMBERSHIP 3
315 #define IP_DROP_MEMBERSHIP 4
316  
317 typedef struct ip_mreq {
318 struct in_addr imr_multiaddr; /* IP multicast address of group */
319 struct in_addr imr_interface; /* local IP address of interface */
320 } ip_mreq;
321 #endif /* LWIP_IGMP */
322  
323 #if LWIP_IPV4
324 struct in_pktinfo {
325 unsigned int ipi_ifindex; /* Interface index */
326 struct in_addr ipi_addr; /* Destination (from header) address */
327 };
328 #endif /* LWIP_IPV4 */
329  
330 #if LWIP_IPV6_MLD
331 /*
332 * Options and types related to IPv6 multicast membership
333 */
334 #define IPV6_JOIN_GROUP 12
335 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
336 #define IPV6_LEAVE_GROUP 13
337 #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
338  
339 typedef struct ipv6_mreq {
340 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */
341 unsigned int ipv6mr_interface; /* interface index, or 0 */
342 } ipv6_mreq;
343 #endif /* LWIP_IPV6_MLD */
344  
345 /*
346 * The Type of Service provides an indication of the abstract
347 * parameters of the quality of service desired. These parameters are
348 * to be used to guide the selection of the actual service parameters
349 * when transmitting a datagram through a particular network. Several
350 * networks offer service precedence, which somehow treats high
351 * precedence traffic as more important than other traffic (generally
352 * by accepting only traffic above a certain precedence at time of high
353 * load). The major choice is a three way tradeoff between low-delay,
354 * high-reliability, and high-throughput.
355 * The use of the Delay, Throughput, and Reliability indications may
356 * increase the cost (in some sense) of the service. In many networks
357 * better performance for one of these parameters is coupled with worse
358 * performance on another. Except for very unusual cases at most two
359 * of these three indications should be set.
360 */
361 #define IPTOS_TOS_MASK 0x1E
362 #define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
363 #define IPTOS_LOWDELAY 0x10
364 #define IPTOS_THROUGHPUT 0x08
365 #define IPTOS_RELIABILITY 0x04
366 #define IPTOS_LOWCOST 0x02
367 #define IPTOS_MINCOST IPTOS_LOWCOST
368  
369 /*
370 * The Network Control precedence designation is intended to be used
371 * within a network only. The actual use and control of that
372 * designation is up to each network. The Internetwork Control
373 * designation is intended for use by gateway control originators only.
374 * If the actual use of these precedence designations is of concern to
375 * a particular network, it is the responsibility of that network to
376 * control the access to, and use of, those precedence designations.
377 */
378 #define IPTOS_PREC_MASK 0xe0
379 #define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
380 #define IPTOS_PREC_NETCONTROL 0xe0
381 #define IPTOS_PREC_INTERNETCONTROL 0xc0
382 #define IPTOS_PREC_CRITIC_ECP 0xa0
383 #define IPTOS_PREC_FLASHOVERRIDE 0x80
384 #define IPTOS_PREC_FLASH 0x60
385 #define IPTOS_PREC_IMMEDIATE 0x40
386 #define IPTOS_PREC_PRIORITY 0x20
387 #define IPTOS_PREC_ROUTINE 0x00
388  
389  
390 /*
391 * Commands for ioctlsocket(), taken from the BSD file fcntl.h.
392 * lwip_ioctl only supports FIONREAD and FIONBIO, for now
393 *
394 * Ioctl's have the command encoded in the lower word,
395 * and the size of any in or out parameters in the upper
396 * word. The high 2 bits of the upper word are used
397 * to encode the in/out status of the parameter; for now
398 * we restrict parameters to at most 128 bytes.
399 */
400 #if !defined(FIONREAD) || !defined(FIONBIO)
401 #define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */
402 #define IOC_VOID 0x20000000UL /* no parameters */
403 #define IOC_OUT 0x40000000UL /* copy out parameters */
404 #define IOC_IN 0x80000000UL /* copy in parameters */
405 #define IOC_INOUT (IOC_IN|IOC_OUT)
406 /* 0x20000000 distinguishes new &
407 old ioctl's */
408 #define _IO(x,y) ((long)(IOC_VOID|((x)<<8)|(y)))
409  
410 #define _IOR(x,y,t) ((long)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)))
411  
412 #define _IOW(x,y,t) ((long)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)))
413 #endif /* !defined(FIONREAD) || !defined(FIONBIO) */
414  
415 #ifndef FIONREAD
416 #define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */
417 #endif
418 #ifndef FIONBIO
419 #define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
420 #endif
421  
422 /* Socket I/O Controls: unimplemented */
423 #ifndef SIOCSHIWAT
424 #define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */
425 #define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */
426 #define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */
427 #define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */
428 #define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */
429 #endif
430  
431 /* commands for fnctl */
432 #ifndef F_GETFL
433 #define F_GETFL 3
434 #endif
435 #ifndef F_SETFL
436 #define F_SETFL 4
437 #endif
438  
439 /* File status flags and file access modes for fnctl,
440 these are bits in an int. */
441 #ifndef O_NONBLOCK
442 #define O_NONBLOCK 1 /* nonblocking I/O */
443 #endif
444 #ifndef O_NDELAY
445 #define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */
446 #endif
447 #ifndef O_RDONLY
448 #define O_RDONLY 2
449 #endif
450 #ifndef O_WRONLY
451 #define O_WRONLY 4
452 #endif
453 #ifndef O_RDWR
454 #define O_RDWR (O_RDONLY|O_WRONLY)
455 #endif
456  
457 #ifndef SHUT_RD
458 #define SHUT_RD 0
459 #define SHUT_WR 1
460 #define SHUT_RDWR 2
461 #endif
462  
463 /* FD_SET used for lwip_select */
464 #ifndef FD_SET
465 #undef FD_SETSIZE
466 /* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
467 #define FD_SETSIZE MEMP_NUM_NETCONN
468 #define FDSETSAFESET(n, code) do { \
469 if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \
470 code; }} while(0)
471 #define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\
472 (code) : 0)
473 #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))))
474 #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))))
475 #define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
476 #define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p)))
477  
478 typedef struct fd_set
479 {
480 unsigned char fd_bits [(FD_SETSIZE+7)/8];
481 } fd_set;
482  
483 #elif LWIP_SOCKET_OFFSET
484 #error LWIP_SOCKET_OFFSET does not work with external FD_SET!
485 #elif FD_SETSIZE < MEMP_NUM_NETCONN
486 #error "external FD_SETSIZE too small for number of sockets"
487 #endif /* FD_SET */
488  
489 /* poll-related defines and types */
490 /* @todo: find a better way to guard the definition of these defines and types if already defined */
491 #if !defined(POLLIN) && !defined(POLLOUT)
492 #define POLLIN 1
493 #define POLLOUT 2
494 #define POLLERR 4
495 #define POLLNVAL 8
496 /* No support for POLLPRI, POLLHUP, POLLMSG, POLLRDBAND, POLLWRBAND. */
497 typedef int nfds_t;
498 struct pollfd
499 {
500 int fd;
501 short events;
502 short revents;
503 };
504 #endif
505  
506 /** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
507 * by your system, set this to 0 and include <sys/time.h> in cc.h */
508 #ifndef LWIP_TIMEVAL_PRIVATE
509 #define LWIP_TIMEVAL_PRIVATE 1
510 #endif
511  
512 #if LWIP_TIMEVAL_PRIVATE
513 struct timeval {
514 long tv_sec; /* seconds */
515 long tv_usec; /* and microseconds */
516 };
517 #endif /* LWIP_TIMEVAL_PRIVATE */
518  
519 #define lwip_socket_init() /* Compatibility define, no init needed. */
520 void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */
521 void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */
522  
523 #if LWIP_COMPAT_SOCKETS == 2
524 /* This helps code parsers/code completion by not having the COMPAT functions as defines */
525 #define lwip_accept accept
526 #define lwip_bind bind
527 #define lwip_shutdown shutdown
528 #define lwip_getpeername getpeername
529 #define lwip_getsockname getsockname
530 #define lwip_setsockopt setsockopt
531 #define lwip_getsockopt getsockopt
532 #define lwip_close closesocket
533 #define lwip_connect connect
534 #define lwip_listen listen
535 #define lwip_recv recv
536 #define lwip_recvmsg recvmsg
537 #define lwip_recvfrom recvfrom
538 #define lwip_send send
539 #define lwip_sendmsg sendmsg
540 #define lwip_sendto sendto
541 #define lwip_socket socket
542 #if LWIP_SOCKET_SELECT
543 #define lwip_select select
544 #endif
545 #if LWIP_SOCKET_POLL
546 #define lwip_poll poll
547 #endif
548 #define lwip_ioctl ioctlsocket
549 #define lwip_inet_ntop inet_ntop
550 #define lwip_inet_pton inet_pton
551  
552 #if LWIP_POSIX_SOCKETS_IO_NAMES
553 #define lwip_read read
554 #define lwip_readv readv
555 #define lwip_write write
556 #define lwip_writev writev
557 #undef lwip_close
558 #define lwip_close close
559 #define closesocket(s) close(s)
560 int fcntl(int s, int cmd, ...);
561 #undef lwip_ioctl
562 #define lwip_ioctl ioctl
563 #define ioctlsocket ioctl
564 #endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
565 #endif /* LWIP_COMPAT_SOCKETS == 2 */
566  
567 int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
568 int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
569 int lwip_shutdown(int s, int how);
570 int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
571 int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
572 int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
573 int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
574 int lwip_close(int s);
575 int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
576 int lwip_listen(int s, int backlog);
577 ssize_t lwip_recv(int s, void *mem, size_t len, int flags);
578 ssize_t lwip_read(int s, void *mem, size_t len);
579 ssize_t lwip_readv(int s, const struct iovec *iov, int iovcnt);
580 ssize_t lwip_recvfrom(int s, void *mem, size_t len, int flags,
581 struct sockaddr *from, socklen_t *fromlen);
582 ssize_t lwip_recvmsg(int s, struct msghdr *message, int flags);
583 ssize_t lwip_send(int s, const void *dataptr, size_t size, int flags);
584 ssize_t lwip_sendmsg(int s, const struct msghdr *message, int flags);
585 ssize_t lwip_sendto(int s, const void *dataptr, size_t size, int flags,
586 const struct sockaddr *to, socklen_t tolen);
587 int lwip_socket(int domain, int type, int protocol);
588 ssize_t lwip_write(int s, const void *dataptr, size_t size);
589 ssize_t lwip_writev(int s, const struct iovec *iov, int iovcnt);
590 #if LWIP_SOCKET_SELECT
591 int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
592 struct timeval *timeout);
593 #endif
594 #if LWIP_SOCKET_POLL
595 int lwip_poll(struct pollfd *fds, nfds_t nfds, int timeout);
596 #endif
597 int lwip_ioctl(int s, long cmd, void *argp);
598 int lwip_fcntl(int s, int cmd, int val);
599 const char *lwip_inet_ntop(int af, const void *src, char *dst, socklen_t size);
600 int lwip_inet_pton(int af, const char *src, void *dst);
601  
602 #if LWIP_COMPAT_SOCKETS
603 #if LWIP_COMPAT_SOCKETS != 2
604 /** @ingroup socket */
605 #define accept(s,addr,addrlen) lwip_accept(s,addr,addrlen)
606 /** @ingroup socket */
607 #define bind(s,name,namelen) lwip_bind(s,name,namelen)
608 /** @ingroup socket */
609 #define shutdown(s,how) lwip_shutdown(s,how)
610 /** @ingroup socket */
611 #define getpeername(s,name,namelen) lwip_getpeername(s,name,namelen)
612 /** @ingroup socket */
613 #define getsockname(s,name,namelen) lwip_getsockname(s,name,namelen)
614 /** @ingroup socket */
615 #define setsockopt(s,level,optname,opval,optlen) lwip_setsockopt(s,level,optname,opval,optlen)
616 /** @ingroup socket */
617 #define getsockopt(s,level,optname,opval,optlen) lwip_getsockopt(s,level,optname,opval,optlen)
618 /** @ingroup socket */
619 #define closesocket(s) lwip_close(s)
620 /** @ingroup socket */
621 #define connect(s,name,namelen) lwip_connect(s,name,namelen)
622 /** @ingroup socket */
623 #define listen(s,backlog) lwip_listen(s,backlog)
624 /** @ingroup socket */
625 #define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags)
626 /** @ingroup socket */
627 #define recvmsg(s,message,flags) lwip_recvmsg(s,message,flags)
628 /** @ingroup socket */
629 #define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen)
630 /** @ingroup socket */
631 #define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags)
632 /** @ingroup socket */
633 #define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags)
634 /** @ingroup socket */
635 #define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen)
636 /** @ingroup socket */
637 #define socket(domain,type,protocol) lwip_socket(domain,type,protocol)
638 #if LWIP_SOCKET_SELECT
639 /** @ingroup socket */
640 #define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout)
641 #endif
642 #if LWIP_SOCKET_POLL
643 /** @ingroup socket */
644 #define poll(fds,nfds,timeout) lwip_poll(fds,nfds,timeout)
645 #endif
646 /** @ingroup socket */
647 #define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp)
648 /** @ingroup socket */
649 #define inet_ntop(af,src,dst,size) lwip_inet_ntop(af,src,dst,size)
650 /** @ingroup socket */
651 #define inet_pton(af,src,dst) lwip_inet_pton(af,src,dst)
652  
653 #if LWIP_POSIX_SOCKETS_IO_NAMES
654 /** @ingroup socket */
655 #define read(s,mem,len) lwip_read(s,mem,len)
656 /** @ingroup socket */
657 #define readv(s,iov,iovcnt) lwip_readv(s,iov,iovcnt)
658 /** @ingroup socket */
659 #define write(s,dataptr,len) lwip_write(s,dataptr,len)
660 /** @ingroup socket */
661 #define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt)
662 /** @ingroup socket */
663 #define close(s) lwip_close(s)
664 /** @ingroup socket */
665 #define fcntl(s,cmd,val) lwip_fcntl(s,cmd,val)
666 /** @ingroup socket */
667 #define ioctl(s,cmd,argp) lwip_ioctl(s,cmd,argp)
668 #endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
669 #endif /* LWIP_COMPAT_SOCKETS != 2 */
670  
671 #endif /* LWIP_COMPAT_SOCKETS */
672  
673 #ifdef __cplusplus
674 }
675 #endif
676  
677 #endif /* LWIP_SOCKET */
678  
679 #endif /* LWIP_HDR_SOCKETS_H */