00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025 #ifndef SU_H
00026
00027 #define SU_H
00028
00036
00037
00038
00039 #ifndef SU_CONFIG_H
00040 #include <sofia-sip/su_config.h>
00041 #endif
00042 #ifndef SU_TYPES_H
00043 #include <sofia-sip/su_types.h>
00044 #endif
00045 #ifndef SU_ERRNO_H
00046 #include <sofia-sip/su_errno.h>
00047 #endif
00048
00049 #include <stdio.h>
00050 #include <limits.h>
00051
00052 #if SU_HAVE_BSDSOCK
00053 #include <errno.h>
00054 #include <unistd.h>
00055
00056 #include <fcntl.h>
00057 #include <sys/types.h>
00058 #include <sys/socket.h>
00059 #include <sys/ioctl.h>
00060
00061 #include <netinet/in.h>
00062 #include <arpa/inet.h>
00063 #include <netdb.h>
00064 #endif
00065
00066 #if SU_HAVE_WINSOCK
00067 # include <winsock2.h>
00068 # include <ws2tcpip.h>
00069 # if SU_HAVE_IN6
00070 # if defined(IPPROTO_IPV6)
00071
00072 # else
00073
00074 # include <tpipv6.h>
00075 # endif
00076 # endif
00077 #endif
00078
00079 SOFIA_BEGIN_DECLS
00080
00081
00082
00083
00084 #if SU_HAVE_BSDSOCK || DOCUMENTATION_ONLY
00085 enum {
00087 INVALID_SOCKET = -1,
00088 #define INVALID_SOCKET ((su_socket_t)INVALID_SOCKET)
00089
00090 SOCKET_ERROR = -1,
00091 #define SOCKET_ERROR SOCKET_ERROR
00092
00093 su_success = 0,
00095 su_failure = -1
00096 };
00097 #if SYMBIAN && !defined(MSG_NOSIGNAL)
00098 #define MSG_NOSIGNAL (0)
00099 #endif
00100 #elif SU_HAVE_WINSOCK
00101 enum {
00102 su_success = 0,
00103 su_failure = 0xffffffffUL
00104 };
00105
00106 #define MSG_NOSIGNAL (0)
00107
00108 #endif
00109
00111 #define SU_MAXHOST (1025)
00112
00113 #define SU_MAXSERV (25)
00114
00116 #define SU_ADDRSIZE (48)
00117
00118 #define SU_SERVSIZE (16)
00119
00120 #define SU_SUCCESS su_success
00121 #define SU_FAILURE su_failure
00122
00123
00124
00125
00127 #if SU_HAVE_BSDSOCK || DOCUMENTATION_ONLY
00128 typedef int su_socket_t;
00129 #elif SU_HAVE_WINSOCK
00130 typedef SOCKET su_socket_t;
00131 #endif
00132
00133 #if !SU_HAVE_SOCKADDR_STORAGE
00134
00135
00136
00137 #define _SS_MAXSIZE 128
00138 #define _SS_ALIGNSIZE (sizeof(int64_t))
00139 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) * 2)
00140 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) * 2 - \
00141 _SS_PAD1SIZE - _SS_ALIGNSIZE)
00142
00143 struct sockaddr_storage {
00144 #if SU_HAVE_SOCKADDR_SA_LEN
00145 unsigned char ss_len;
00146 unsigned char ss_family;
00147 #else
00148 unsigned short ss_family;
00149 #endif
00150 char __ss_pad1[_SS_PAD1SIZE];
00151 int64_t __ss_align;
00152 char __ss_pad2[_SS_PAD2SIZE];
00153 };
00154 #endif
00155
00157 union su_sockaddr_u {
00158 #ifdef DOCUMENTATION_ONLY
00159 uint8_t su_len;
00160 uint8_t su_family;
00161 uint16_t su_port;
00162 #else
00163 short su_dummy;
00164 #if SU_HAVE_SOCKADDR_SA_LEN
00165 #define su_len su_sa.sa_len
00166 #define su_family su_sa.sa_family
00167 #else
00168 #define su_len su_array[0]
00169 short su_family;
00170 #endif
00171 #define su_port su_sin.sin_port
00172 #endif
00173
00174 char su_array[32];
00175 uint16_t su_array16[16];
00176 uint32_t su_array32[8];
00177 struct sockaddr su_sa;
00178 struct sockaddr_in su_sin;
00179 #if SU_HAVE_IN6
00180 struct sockaddr_in6 su_sin6;
00181 #endif
00182 #ifdef DOCUMENTATION_ONLY
00183 uint32_t su_scope_id;
00184 #else
00185 #define su_scope_id su_array32[6]
00186 #endif
00187 };
00188
00189 typedef union su_sockaddr_u su_sockaddr_t;
00190
00191 #if SU_HAVE_BSDSOCK || DOCUMENTATION_ONLY
00192
00202 typedef size_t su_ioveclen_t;
00203
00240 typedef struct su_iovec_s {
00241 void *siv_base;
00242 su_ioveclen_t siv_len;
00243 } su_iovec_t;
00244
00251 #define SU_IOVECLEN_MAX SIZE_MAX
00252 #endif
00253
00254 #if SU_HAVE_WINSOCK
00255 typedef u_long su_ioveclen_t;
00256
00257
00258 typedef struct su_iovec_s {
00259 su_ioveclen_t siv_len;
00260 void *siv_base;
00261 } su_iovec_t;
00262
00263 #define SU_IOVECLEN_MAX ULONG_MAX
00264 #endif
00265
00266
00267
00268
00269 SOFIAPUBFUN int su_init(void);
00270 SOFIAPUBFUN void su_deinit(void);
00271
00273 SOFIAPUBFUN su_socket_t su_socket(int af, int sock, int proto);
00275 SOFIAPUBFUN int su_close(su_socket_t s);
00277 SOFIAPUBFUN int su_ioctl(su_socket_t s, int request, ...);
00278
00288 SOFIAPUBFUN int su_is_blocking(int errcode);
00289
00291 SOFIAPUBFUN int su_setblocking(su_socket_t s, int blocking);
00293 SOFIAPUBFUN int su_setreuseaddr(su_socket_t s, int reuse);
00295 SOFIAPUBFUN int su_soerror(su_socket_t s);
00297 SOFIAPUBFUN int su_getsocktype(su_socket_t s);
00298
00300 SOFIAPUBFUN issize_t su_getmsgsize(su_socket_t s);
00301
00303 SOFIAPUBFUN
00304 issize_t su_vsend(su_socket_t, su_iovec_t const iov[], isize_t len, int flags,
00305 su_sockaddr_t const *su, socklen_t sulen);
00307 SOFIAPUBFUN
00308 issize_t su_vrecv(su_socket_t, su_iovec_t iov[], isize_t len, int flags,
00309 su_sockaddr_t *su, socklen_t *sulen);
00311 SOFIAPUBFUN int su_getlocalip(su_sockaddr_t *sin);
00312
00313 #if SU_HAVE_BSDSOCK
00314 #define su_ioctl ioctl
00315
00316
00317
00318
00319 #define su_is_blocking(e) \
00320 ((e) == EINPROGRESS || (e) == EAGAIN || (e) == EWOULDBLOCK)
00321 #endif
00322
00323 #if SU_HAVE_WINSOCK
00324 SOFIAPUBFUN int inet_pton(int af, char const *src, void *dst);
00325 SOFIAPUBFUN const char *inet_ntop(int af, void const *src,
00326 char *dst, size_t size);
00327 SOFIAPUBFUN ssize_t
00328 su_send(su_socket_t s, void *buffer, size_t length, int flags),
00329 su_sendto(su_socket_t s, void *buffer, size_t length, int flags,
00330 su_sockaddr_t const *to, socklen_t tolen),
00331 su_recv(su_socket_t s, void *buffer, size_t length, int flags),
00332 su_recvfrom(su_socket_t s, void *buffer, size_t length, int flags,
00333 su_sockaddr_t *from, socklen_t *fromlen);
00334
00335 static __inline
00336 uint16_t su_ntohs(uint16_t s)
00337 {
00338 return (uint16_t)(((s & 255) << 8) | ((s & 0xff00) >> 8));
00339 }
00340
00341 static __inline
00342 uint32_t su_ntohl(uint32_t l)
00343 {
00344 return ((l & 0xff) << 24) | ((l & 0xff00) << 8)
00345 | ((l & 0xff0000) >> 8) | ((l & 0xff000000U) >> 24);
00346 }
00347
00348 #define ntohs su_ntohs
00349 #define htons su_ntohs
00350 #define ntohl su_ntohl
00351 #define htonl su_ntohl
00352
00353 #else
00354 #define su_send(s,b,l,f) send((s),(b),(l),(f))
00355 #define su_sendto(s,b,l,f,a,L) sendto((s),(b),(l),(f),(void const*)(a),(L))
00356 #define su_recv(s,b,l,f) recv((s),(b),(l),(f))
00357 #define su_recvfrom(s,b,l,f,a,L) recvfrom((s),(b),(l),(f),(void *)(a),(L))
00358 #endif
00359
00360
00361
00362
00363 #if SU_HAVE_WINSOCK
00364 #define getuid() (0x505)
00365 #endif
00366
00367 #ifndef IPPROTO_SCTP
00368 #define IPPROTO_SCTP (132)
00369 #endif
00370
00371
00372
00373
00379 #if SU_HAVE_IN6
00380 #define SU_ADDR(su) \
00381 ((su)->su_family == AF_INET ? (void *)&(su)->su_sin.sin_addr : \
00382 ((su)->su_family == AF_INET6 ? (void *)&(su)->su_sin6.sin6_addr : \
00383 (void *)&(su)->su_sa.sa_data))
00384 #else
00385 #define SU_ADDR(su) \
00386 ((su)->su_family == AF_INET ? (void *)&(su)->su_sin.sin_addr : \
00387 (void *)&(su)->su_sa.sa_data)
00388 #endif
00389
00395 #if SU_HAVE_IN6
00396 #define SU_ADDRLEN(su) \
00397 ((su)->su_family == AF_INET \
00398 ? (socklen_t)sizeof((su)->su_sin.sin_addr) : \
00399 ((su)->su_family == AF_INET6 \
00400 ? (socklen_t)sizeof((su)->su_sin6.sin6_addr) \
00401 : (socklen_t)sizeof((su)->su_sa.sa_data)))
00402 #else
00403 #define SU_ADDRLEN(su) \
00404 ((su)->su_family == AF_INET \
00405 ? (socklen_t)sizeof((su)->su_sin.sin_addr) \
00406 : (socklen_t)sizeof((su)->su_sa.sa_data))
00407 #endif
00408
00410 #if SU_HAVE_IN6
00411 #define SU_HAS_INADDR_ANY(su) \
00412 ((su)->su_family == AF_INET \
00413 ? ((su)->su_sin.sin_addr.s_addr == INADDR_ANY) \
00414 : ((su)->su_family == AF_INET6 \
00415 ? (memcmp(&(su)->su_sin6.sin6_addr, su_in6addr_any(), \
00416 sizeof(*su_in6addr_any())) == 0) : 0))
00417 #else
00418 #define SU_HAS_INADDR_ANY(su) \
00419 ((su)->su_family == AF_INET \
00420 ? ((su)->su_sin.sin_addr.s_addr == INADDR_ANY) : 0)
00421 #endif
00422
00423 #define SU_SOCKADDR_INADDR_ANY(su) SU_HAS_INADDR_ANY(su)
00424
00426 #if SU_HAVE_IN6
00427 #define SU_SOCKADDR_SIZE(su) \
00428 ((socklen_t)((su)->su_family == AF_INET ? sizeof((su)->su_sin) \
00429 : ((su)->su_family == AF_INET6 ? sizeof((su)->su_sin6) \
00430 : sizeof(*su))))
00431 #else
00432 #define SU_SOCKADDR_SIZE(su) \
00433 ((socklen_t)((su)->su_family == AF_INET ? sizeof((su)->su_sin) \
00434 : sizeof(*su)))
00435 #endif
00436 #define su_sockaddr_size SU_SOCKADDR_SIZE
00437
00438 #if SU_HAVE_IN6
00439 #if SU_HAVE_BSDSOCK
00440 #define su_in6addr_any() (&in6addr_any)
00441 #define su_in6addr_loopback() (&in6addr_loopback)
00442 #define SU_IN6ADDR_ANY_INIT IN6ADDR_ANY_INIT
00443 #define SU_IN6ADDR_LOOPBACK_INIT IN6ADDR_LOOPBACK_INIT
00444 #endif
00445 #if SU_HAVE_WINSOCK || DOCUMENTATION_ONLY
00446 SOFIAPUBVAR const struct in_addr6 *su_in6addr_any(void);
00447 SOFIAPUBVAR const struct in_addr6 *su_in6addr_loopback(void);
00448 #define SU_IN6ADDR_ANY_INIT { 0 }
00449 #define SU_IN6ADDR_LOOPBACK_INIT { 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,1 }
00450 #endif
00451 #endif
00452
00453 #define SU_IN6_IS_ADDR_V4MAPPED(a) \
00454 (((uint32_t const *) (a))[0] == 0 && \
00455 ((uint32_t const *) (a))[1] == 0 && \
00456 ((uint32_t const *) (a))[2] == htonl(0xffff))
00457
00458 #define SU_IN6_IS_ADDR_V4COMPAT(a) \
00459 (((uint32_t const *)(a))[0] == 0 && \
00460 ((uint32_t const *)(a))[1] == 0 && \
00461 ((uint32_t const *)(a))[2] == 0 && \
00462 ((uint32_t const *)(a))[3] != htonl(1) && \
00463 ((uint32_t const *)(a))[3] != htonl(0))
00464
00465 SOFIAPUBFUN int su_cmp_sockaddr(su_sockaddr_t const *a,
00466 su_sockaddr_t const *b);
00467 SOFIAPUBFUN int su_match_sockaddr(su_sockaddr_t const *a,
00468 su_sockaddr_t const *b);
00469 SOFIAPUBFUN void su_canonize_sockaddr(su_sockaddr_t *su);
00470
00471 #if SU_HAVE_IN6
00472 #define SU_CANONIZE_SOCKADDR(su) \
00473 ((su)->su_family == AF_INET6 ? su_canonize_sockaddr(su) : (void)0)
00474 #else
00475 #define SU_CANONIZE_SOCKADDR(su) \
00476 ((void)0)
00477 #endif
00478
00479 SOFIA_END_DECLS
00480
00481 #ifndef SU_ADDRINFO_H
00482 #include <sofia-sip/su_addrinfo.h>
00483 #endif
00484
00485 #endif