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TCP based clients try all results of name resolution until a connection succeeded

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This commit is contained in:
Gerhard Rieger 2023-10-22 23:15:49 +02:00
parent 2a9623d61c
commit cb6e16b360
16 changed files with 456 additions and 262 deletions

7
xio-ip.h
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@ -39,10 +39,9 @@ extern const struct optdesc opt_res_defnames;
extern const struct optdesc opt_res_stayopen;
extern const struct optdesc opt_res_dnsrch;
extern int xiogetaddrinfo(const char *node, const char *service,
int family, int socktype, int protocol,
union sockaddr_union *sa, socklen_t *socklen,
unsigned long res_opts0, unsigned long res_opts1);
extern int xiogetaddrinfo(const char *node, const char *service, int family, int socktype, int protocol, struct addrinfo **res, unsigned long res_opts0, unsigned long res_opts1);
extern void xiofreeaddrinfo(struct addrinfo *res);
extern int xioresolve(const char *node, const char *service, int family, int socktype, int protocol, union sockaddr_union *addr, socklen_t *addrlen, unsigned long res_opts0, unsigned long res_opts1);
extern int xiolog_ancillary_ip(struct single *sfd, struct cmsghdr *cmsg, int *num, char *typbuff, int typlen, char *nambuff, int namlen, char *envbuff, int envlen, char *valbuff, int vallen);
extern int xiotype_ip_add_membership(char *token, const struct optname *ent, struct opt *opt);
extern int xioapply_ip_add_membership(xiosingle_t *xfd, struct opt *opt);