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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
00051 SOFIA_BEGIN_DECLS
00052
00053 #if SU_HAVE_BSDSOCK
00054 #include <errno.h>
00055 #include <unistd.h>
00056 #include <limits.h>
00057
00058 #include <fcntl.h>
00059 #include <sys/types.h>
00060 #include <sys/socket.h>
00061 #include <sys/ioctl.h>
00062
00063 #include <netinet/in.h>
00064 #include <arpa/inet.h>
00065 #include <netdb.h>
00066 #endif
00067
00068 #if SU_HAVE_WINSOCK
00069 # include <winsock2.h>
00070 # include <ws2tcpip.h>
00071
00072 static __inline
00073 uint16_t su_ntohs(uint16_t s)
00074 {
00075 return (uint16_t)(((s & 255) << 8) | ((s & 0xff00) >> 8));
00076 }
00077
00078 static __inline
00079 uint32_t su_ntohl(uint32_t l)
00080 {
00081 return ((l & 0xff) << 24) | ((l & 0xff00) << 8)
00082 | ((l & 0xff0000) >> 8) | ((l & 0xff000000U) >> 24);
00083 }
00084
00085 #define ntohs su_ntohs
00086 #define htons su_ntohs
00087 #define ntohl su_ntohl
00088 #define htonl su_ntohl
00089
00090 # if defined(IPPROTO_IPV6)
00091
00092 # elif SU_HAVE_IN6
00093 # include <tpipv6.h>
00094 # else
00095 # error Winsock with IPv6 support required
00096 # endif
00097
00098 #include <limits.h>
00099
00100 #endif
00101
00102
00103
00104
00105 #if SU_HAVE_BSDSOCK || DOCUMENTATION_ONLY
00106 enum {
00108 INVALID_SOCKET = -1,
00110 SOCKET_ERROR = -1,
00111
00113 su_success = 0,
00115 su_failure = -1
00116 };
00117 #elif SU_HAVE_WINSOCK
00118 enum {
00119 su_success = 0,
00120 su_failure = 0xffffffffUL
00121 };
00122
00123 #define MSG_NOSIGNAL (0)
00124
00125 #endif
00126
00128 #define SU_MAXHOST (1025)
00129
00130 #define SU_MAXSERV (25)
00131
00133 #define SU_ADDRSIZE (48)
00134
00135 #define SU_SERVSIZE (16)
00136
00137 #define SU_SUCCESS su_success
00138 #define SU_FAILURE su_failure
00139
00140
00141
00142
00144 #if SU_HAVE_BSDSOCK || DOCUMENTATION_ONLY
00145 typedef int su_socket_t;
00146 #elif SU_HAVE_WINSOCK
00147 typedef SOCKET su_socket_t;
00148 #endif
00149
00150 #if !SU_HAVE_SOCKADDR_STORAGE
00151
00152
00153
00154 #define _SS_MAXSIZE 128
00155 #define _SS_ALIGNSIZE (sizeof(int64_t))
00156 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) * 2)
00157 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) * 2 - \
00158 _SS_PAD1SIZE - _SS_ALIGNSIZE)
00159
00160 struct sockaddr_storage {
00161 #if SU_HAVE_SOCKADDR_SA_LEN
00162 unsigned char ss_len;
00163 unsigned char ss_family;
00164 #else
00165 unsigned short ss_family;
00166 #endif
00167 char __ss_pad1[_SS_PAD1SIZE];
00168 int64_t __ss_align;
00169 char __ss_pad2[_SS_PAD2SIZE];
00170 };
00171 #endif
00172
00174 union su_sockaddr_u {
00175 #ifdef DOCUMENTATION_ONLY
00176 uint8_t su_len;
00177 uint8_t su_family;
00178 uint16_t su_port;
00179 #else
00180 short su_dummy;
00181 #if SU_HAVE_SOCKADDR_SA_LEN
00182 #define su_len su_sa.sa_len
00183 #define su_family su_sa.sa_family
00184 #else
00185 #define su_len su_array[0]
00186 short su_family;
00187 #endif
00188 #define su_port su_sin.sin_port
00189 #endif
00190
00191 char su_array[32];
00192 uint16_t su_array16[16];
00193 uint32_t su_array32[8];
00194 struct sockaddr su_sa;
00195 struct sockaddr_in su_sin;
00196 #if SU_HAVE_IN6
00197 struct sockaddr_in6 su_sin6;
00198 #endif
00199 #ifdef DOCUMENTATION_ONLY
00200 uint32_t su_scope_id;
00201 #else
00202 #define su_scope_id su_array32[6]
00203 #endif
00204 };
00205
00206 typedef union su_sockaddr_u su_sockaddr_t;
00207
00208 #if SU_HAVE_BSDSOCK || DOCUMENTATION_ONLY
00209
00212 struct su_iovec_s {
00213 void *siv_base;
00214 size_t siv_len;
00215 };
00216 #endif
00217
00218 #if SU_HAVE_WINSOCK
00219 struct su_iovec_s {
00220 long siv_len;
00221 void *siv_base;
00222 };
00223 #endif
00224
00226 typedef struct su_iovec_s su_iovec_t;
00227
00228
00229
00230
00231 SOFIAPUBFUN int su_init(void);
00232 SOFIAPUBFUN void su_deinit(void);
00233
00235 SOFIAPUBFUN su_socket_t su_socket(int af, int sock, int proto);
00237 SOFIAPUBFUN int su_close(su_socket_t s);
00239 SOFIAPUBFUN int su_ioctl(su_socket_t s, int request, ...);
00240
00242 SOFIAPUBFUN int su_isblocking(void);
00244 SOFIAPUBFUN int su_setblocking(su_socket_t s, int blocking);
00246 SOFIAPUBFUN int su_setreuseaddr(su_socket_t s, int reuse);
00248 SOFIAPUBFUN int su_soerror(su_socket_t s);
00250 SOFIAPUBFUN int su_getmsgsize(su_socket_t s);
00251
00253 SOFIAPUBFUN
00254 int su_vsend(su_socket_t s, su_iovec_t const iov[], int iovlen, int flags,
00255 su_sockaddr_t const *su, socklen_t sulen);
00257 SOFIAPUBFUN
00258 int su_vrecv(su_socket_t s, su_iovec_t iov[], int iovlen, int flags,
00259 su_sockaddr_t *su, socklen_t *sulen);
00261 SOFIAPUBFUN int su_getlocalip(su_sockaddr_t *sin);
00262
00263 #include <sofia-sip/su_addrinfo.h>
00264
00265 #if SU_HAVE_BSDSOCK
00266 #define su_ioctl ioctl
00267 #define su_isblocking() (su_errno() == EAGAIN || su_errno() == EWOULDBLOCK)
00268 #endif
00269
00270 #if SU_HAVE_WINSOCK
00271 SOFIAPUBFUN int inet_pton(int af, char const *src, void *dst);
00272 SOFIAPUBFUN const char *inet_ntop(int af, void const *src,
00273 char *dst, size_t size);
00274 #endif
00275
00276
00277
00278
00279 #if SU_HAVE_WINSOCK
00280 #define getuid() (0x505)
00281 #endif
00282
00283 #ifndef IPPROTO_SCTP
00284 #define IPPROTO_SCTP (132)
00285 #endif
00286
00287
00288
00289
00295 #if SU_HAVE_IN6
00296 #define SU_ADDR(su) \
00297 ((su)->su_family == AF_INET ? (void *)&(su)->su_sin.sin_addr : \
00298 ((su)->su_family == AF_INET6 ? (void *)&(su)->su_sin6.sin6_addr : \
00299 (void *)&(su)->su_sa.sa_data))
00300 #else
00301 #define SU_ADDR(su) \
00302 ((su)->su_family == AF_INET ? (void *)&(su)->su_sin.sin_addr : \
00303 (void *)&(su)->su_sa.sa_data)
00304 #endif
00305
00311 #if SU_HAVE_IN6
00312 #define SU_ADDRLEN(su) \
00313 ((su)->su_family == AF_INET ? sizeof((su)->su_sin.sin_addr) : \
00314 ((su)->su_family == AF_INET6 ? sizeof((su)->su_sin6.sin6_addr) : \
00315 sizeof((su)->su_sa.sa_data)))
00316 #else
00317 #define SU_ADDRLEN(su) \
00318 ((su)->su_family == AF_INET ? sizeof((su)->su_sin.sin_addr) : \
00319 sizeof((su)->su_sa.sa_data))
00320 #endif
00321
00323 #if SU_HAVE_IN6
00324 #define SU_HAS_INADDR_ANY(su) \
00325 ((su)->su_family == AF_INET \
00326 ? ((su)->su_sin.sin_addr.s_addr == INADDR_ANY) \
00327 : ((su)->su_family == AF_INET6 \
00328 ? (memcmp(&(su)->su_sin6.sin6_addr, su_in6addr_any(), \
00329 sizeof(*su_in6addr_any())) == 0) : 0))
00330 #else
00331 #define SU_HAS_INADDR_ANY(su) \
00332 ((su)->su_family == AF_INET \
00333 ? ((su)->su_sin.sin_addr.s_addr == INADDR_ANY) : 0)
00334 #endif
00335
00336 #define SU_SOCKADDR_INADDR_ANY(su) SU_HAS_INADDR_ANY(su)
00337
00339 #if SU_HAVE_IN6
00340 #define SU_SOCKADDR_SIZE(su) \
00341 ((su)->su_family == AF_INET ? sizeof((su)->su_sin) \
00342 : ((su)->su_family == AF_INET6 ? sizeof((su)->su_sin6) \
00343 : sizeof(*su)))
00344 #else
00345 #define SU_SOCKADDR_SIZE(su) \
00346 ((su)->su_family == AF_INET ? sizeof((su)->su_sin) \
00347 : sizeof(*su))
00348 #endif
00349 #define su_sockaddr_size SU_SOCKADDR_SIZE
00350
00351 #if SU_HAVE_IN6
00352 #if SU_HAVE_BSDSOCK
00353 #define su_in6addr_any() (&in6addr_any)
00354 #define su_in6addr_loopback() (&in6addr_loopback)
00355 #define SU_IN6ADDR_ANY_INIT IN6ADDR_ANY_INIT
00356 #define SU_IN6ADDR_LOOPBACK_INIT IN6ADDR_LOOPBACK_INIT
00357 #endif
00358 #if SU_HAVE_WINSOCK || DOCUMENTATION_ONLY
00359 SOFIAPUBVAR const struct in_addr6 *su_in6addr_any(void);
00360 SOFIAPUBVAR const struct in_addr6 *su_in6addr_loopback(void);
00361 #define SU_IN6ADDR_ANY_INIT { 0 }
00362 #define SU_IN6ADDR_LOOPBACK_INIT { 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,1 }
00363 #endif
00364 #endif
00365
00366 SOFIAPUBFUN int su_cmp_sockaddr(su_sockaddr_t const *a,
00367 su_sockaddr_t const *b);
00368 SOFIAPUBFUN int su_match_sockaddr(su_sockaddr_t const *a,
00369 su_sockaddr_t const *b);
00370 SOFIAPUBFUN void su_canonize_sockaddr(su_sockaddr_t *su);
00371
00372 #if SU_HAVE_IN6
00373 #define SU_CANONIZE_SOCKADDR(su) \
00374 ((su)->su_family == AF_INET6 ? su_canonize_sockaddr(su) : (void)0)
00375 #else
00376 #define SU_CANONIZE_SOCKADDR(su) \
00377 ((void)0)
00378 #endif
00379
00380 SOFIA_END_DECLS
00381
00382 #endif