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c28104290d
Our coding standard is that all function declarations should have actual function names. Let's try to clean up all that is missing this in lib. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
131 lines
4.5 KiB
C
131 lines
4.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Socket union header.
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* Copyright (c) 1997 Kunihiro Ishiguro
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*/
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#ifndef _ZEBRA_SOCKUNION_H
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#define _ZEBRA_SOCKUNION_H
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#include "compiler.h"
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#include "privs.h"
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#include "if.h"
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#include <sys/un.h>
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#ifdef __OpenBSD__
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#include <net/route.h>
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#include <netmpls/mpls.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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union sockunion {
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struct sockaddr sa;
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struct sockaddr_in sin;
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struct sockaddr_in6 sin6;
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struct sockaddr_un sun;
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#ifdef __OpenBSD__
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struct sockaddr_mpls smpls;
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struct sockaddr_rtlabel rtlabel;
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#endif
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/* sockaddr_storage is guaranteed to be larger than the others */
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struct sockaddr_storage sa_storage;
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};
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/* clang-format off */
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/* for functions that want to accept any sockaddr pointer without casts */
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union sockaddrptr {
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uniontype(sockaddrptr, union sockunion, su)
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uniontype(sockaddrptr, struct sockaddr, sa)
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uniontype(sockaddrptr, struct sockaddr_in, sin)
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uniontype(sockaddrptr, struct sockaddr_in6, sin6)
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uniontype(sockaddrptr, struct sockaddr_un, sun)
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#ifdef __OpenBSD__
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uniontype(sockaddrptr, struct sockaddr_mpls, smpls)
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uniontype(sockaddrptr, struct sockaddr_rtlabel, rtlabel)
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#endif
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uniontype(sockaddrptr, struct sockaddr_storage, sa_storage)
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} TRANSPARENT_UNION;
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union sockaddrconstptr {
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uniontype(sockaddrconstptr, const union sockunion, su)
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uniontype(sockaddrconstptr, const struct sockaddr, sa)
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uniontype(sockaddrconstptr, const struct sockaddr_in, sin)
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uniontype(sockaddrconstptr, const struct sockaddr_in6, sin6)
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uniontype(sockaddrconstptr, const struct sockaddr_un, sun)
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#ifdef __OpenBSD__
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uniontype(sockaddrconstptr, const struct sockaddr_mpls, smpls)
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uniontype(sockaddrconstptr, const struct sockaddr_rtlabel, rtlabel)
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#endif
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uniontype(sockaddrconstptr, const struct sockaddr_storage, sa_storage)
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} TRANSPARENT_UNION;
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/* clang-format on */
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enum connect_result { connect_error, connect_success, connect_in_progress };
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/* Default address family. */
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#define AF_INET_UNION AF_INET6
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/* Sockunion address string length. Same as INET6_ADDRSTRLEN. */
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#define SU_ADDRSTRLEN 46
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#define sockunion_family(X) (X)->sa.sa_family
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#define sockunion2ip(X) (X)->sin.sin_addr.s_addr
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/* Prototypes. */
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extern int str2sockunion(const char *str, union sockunion *su);
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extern const char *sockunion2str(const union sockunion *su, char *buf,
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size_t len);
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extern int sockunion_cmp(const union sockunion *su1, const union sockunion *su2);
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extern int sockunion_same(const union sockunion *su1, const union sockunion *su2);
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extern unsigned int sockunion_hash(const union sockunion *su);
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extern size_t family2addrsize(int family);
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extern size_t sockunion_get_addrlen(const union sockunion *su);
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extern const uint8_t *sockunion_get_addr(const union sockunion *);
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extern void sockunion_set(union sockunion *su, int family, const uint8_t *addr, size_t bytes);
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extern union sockunion *sockunion_str2su(const char *str);
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extern int sockunion_accept(int sock, union sockunion *su);
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extern int sockunion_sizeof(const union sockunion *su);
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extern int sockunion_stream_socket(union sockunion *su);
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extern int sockopt_reuseaddr(int sock);
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extern int sockopt_reuseport(int sock);
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extern int sockopt_v6only(int family, int sock);
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extern int sockunion_bind(int sock, union sockunion *su, unsigned short port,
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union sockunion *su_addr);
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extern int sockopt_ttl(int family, int sock, int ttl);
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extern int sockopt_minttl(int family, int sock, int minttl);
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extern int sockunion_socket(const union sockunion *su);
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extern const char *inet_sutop(const union sockunion *su, char *str);
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extern enum connect_result sockunion_connect(int fd, const union sockunion *su, unsigned short port);
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extern union sockunion *sockunion_getsockname(int);
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extern union sockunion *sockunion_getpeername(int);
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extern union sockunion *sockunion_dup(const union sockunion *);
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extern void sockunion_free(union sockunion *su);
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extern void sockunion_init(union sockunion *su);
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extern int sockunion_is_null(const union sockunion *su);
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#ifdef _FRR_ATTRIBUTE_PRINTFRR
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#pragma FRR printfrr_ext "%pSU" (union sockunion *)
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#pragma FRR printfrr_ext "%pSU" (struct sockaddr *)
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#pragma FRR printfrr_ext "%pSU" (struct sockaddr_storage *)
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#pragma FRR printfrr_ext "%pSU" (struct sockaddr_in *)
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#pragma FRR printfrr_ext "%pSU" (struct sockaddr_in6 *)
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#pragma FRR printfrr_ext "%pSU" (struct sockaddr_un *)
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/* AF_INET/PF_INET & co., using "PF" to avoid confusion with AFI/SAFI */
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#pragma FRR printfrr_ext "%dPF" (int)
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/* SOCK_STREAM & co. */
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#pragma FRR printfrr_ext "%dSO" (int)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZEBRA_SOCKUNION_H */
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