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#include <arpa/inet.h>
#include <netinet/in.h>
#include <string.h>
#include "log.h"
#include "sockaddr_util.h"
int sockaddr_cmp(union sockaddr_any *a, union sockaddr_any *b)
{
if (a->sa.sa_family != b->sa.sa_family)
return a->sa.sa_family - b->sa.sa_family;
switch (a->sa.sa_family) {
case AF_INET:
return a->sin.sin_addr.s_addr - b->sin.sin_addr.s_addr;
break;
case AF_INET6:
return memcmp((char *) &a->sin6.sin6_addr,
(char *) &b->sin6.sin6_addr,
sizeof(a->sin6.sin6_addr));
break;
}
return -1;
}
union sockaddr_any *sockaddr_set4(union sockaddr_any *sa, void *addr)
{
sa->sa.sa_family = AF_INET;
sa->sin.sin_addr.s_addr = *(uint32_t *)addr;
return sa;
}
union sockaddr_any *sockaddr_set6(union sockaddr_any *sa, void *addr)
{
sa->sa.sa_family = AF_INET6;
memcpy(&sa->sin6.sin6_addr, addr, sizeof(sa->sin6.sin6_addr));
return sa;
}
union sockaddr_any *sockaddr_init(union sockaddr_any *sa, int family,
void *addr)
{
memset(sa, 0, sizeof(*sa));
if (addr == NULL)
return sa;
switch (family) {
case AF_INET:
return sockaddr_set4(sa, addr);
break;
case AF_INET6:
return sockaddr_set6(sa, addr);
break;
}
return NULL;
}
union sockaddr_any *sockaddr_from_addrinfo(union sockaddr_any *sa,
struct addrinfo *ai)
{
struct sockaddr_in *in = (struct sockaddr_in *)ai->ai_addr;
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)ai->ai_addr;
memset(sa, 0, sizeof(*sa));
if (ai == NULL)
return sa;
switch (ai->ai_family) {
case AF_INET:
return sockaddr_set4(sa, &in->sin_addr);
break;
case AF_INET6:
return sockaddr_set6(sa, &in6->sin6_addr);
break;
}
return NULL;
}
char *sockaddr_to_string(union sockaddr_any *sa, char *str, size_t size)
{
switch (sa->sa.sa_family) {
case AF_INET:
inet_ntop(sa->sa.sa_family, &sa->sin.sin_addr, str, size);
break;
case AF_INET6:
inet_ntop(sa->sa.sa_family, &sa->sin6.sin6_addr, str, size);
break;
}
return str;
}
socklen_t sockaddr_len(union sockaddr_any *sa)
{
socklen_t len = 0;
switch (sa->sa.sa_family) {
case AF_INET:
len = sizeof(sa->sin);
break;
case AF_INET6:
len = sizeof(sa->sin6);
break;
}
return len;
}
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