| #include <sys/types.h> |
| |
| #include <string.h> |
| |
| |
| #include "base.h" |
| #include "inet_ntop_cache.h" |
| #include "sys-socket.h" |
| |
| const char * inet_ntop_cache_get_ip(server *srv, sock_addr *addr) { |
| #ifdef HAVE_IPV6 |
| size_t ndx = 0, i; |
| for (i = 0; i < INET_NTOP_CACHE_MAX; i++) { |
| if (srv->inet_ntop_cache[i].ts != 0) { |
| if (srv->inet_ntop_cache[i].family == AF_INET6 && |
| 0 == memcmp(srv->inet_ntop_cache[i].addr.ipv6.s6_addr, addr->ipv6.sin6_addr.s6_addr, 16)) { |
| /* IPv6 found in cache */ |
| break; |
| } else if (srv->inet_ntop_cache[i].family == AF_INET && |
| srv->inet_ntop_cache[i].addr.ipv4.s_addr == addr->ipv4.sin_addr.s_addr) { |
| /* IPv4 found in cache */ |
| break; |
| |
| } |
| } |
| } |
| |
| if (i == INET_NTOP_CACHE_MAX) { |
| /* not found in cache */ |
| |
| i = ndx; |
| inet_ntop(addr->plain.sa_family, |
| addr->plain.sa_family == AF_INET6 ? |
| (const void *) &(addr->ipv6.sin6_addr) : |
| (const void *) &(addr->ipv4.sin_addr), |
| srv->inet_ntop_cache[i].b2, INET6_ADDRSTRLEN); |
| |
| srv->inet_ntop_cache[i].ts = srv->cur_ts; |
| srv->inet_ntop_cache[i].family = addr->plain.sa_family; |
| |
| if (srv->inet_ntop_cache[i].family == AF_INET) { |
| srv->inet_ntop_cache[i].addr.ipv4.s_addr = addr->ipv4.sin_addr.s_addr; |
| } else if (srv->inet_ntop_cache[i].family == AF_INET6) { |
| memcpy(srv->inet_ntop_cache[i].addr.ipv6.s6_addr, addr->ipv6.sin6_addr.s6_addr, 16); |
| } |
| } |
| |
| return srv->inet_ntop_cache[i].b2; |
| #else |
| UNUSED(srv); |
| return inet_ntoa(addr->ipv4.sin_addr); |
| #endif |
| } |