#include "iopause.h" #include "taia.h" #include "byte.h" #include "dns.h" #include "ip6.h" struct dns_transmit dns_resolve_tx = {0}; int dns_resolve(const char *q,const char qtype[2]) { struct taia stamp; struct taia deadline; char servers[256]; iopause_fd x[1]; int r; if (dns_resolvconfip(servers) == -1) return -1; if (dns_transmit_start(&dns_resolve_tx,servers,1,q,qtype,V6any) == -1) return -1; for (;;) { taia_now(&stamp); taia_uint(&deadline,120); taia_add(&deadline,&deadline,&stamp); dns_transmit_io(&dns_resolve_tx,x,&deadline); iopause(x,1,&deadline,&stamp); r = dns_transmit_get(&dns_resolve_tx,x,&stamp); if (r == -1) return -1; if (r == 1) return 0; } }