fix switch_get_addr to work with v6 properly

src/include/switch_utils.h

@@ -197,6 +197,7 @@ SWITCH_DECLARE(switch_status_t) switch_find_local_ip(_Out_opt_bytecapcount_(len)
   \return the ip adress string
 */
 SWITCH_DECLARE(char *) get_addr(char *buf, switch_size_t len, struct sockaddr *sa, socklen_t salen);
+SWITCH_DECLARE(char *) get_addr6(char *buf, switch_size_t len, struct sockaddr_in6 *sa, socklen_t salen);
 
 SWITCH_DECLARE(int) get_addr_int(switch_sockaddr_t *sa);
 SWITCH_DECLARE(int) switch_cmp_addr(switch_sockaddr_t *sa1, switch_sockaddr_t *sa2);

src/switch_apr.c

@@ -778,9 +778,14 @@ SWITCH_DECLARE(switch_status_t) switch_mcast_loopback(switch_socket_t *sock, uin
 SWITCH_DECLARE(const char *) switch_get_addr(char *buf, switch_size_t len, switch_sockaddr_t *in)
 {
 	if (!in) {
-		return "";
+		return SWITCH_BLANK_STRING;
 	}
-	return get_addr(buf, len, (struct sockaddr *) &in->sa, in->salen);
+
+	if (in->family == AF_INET) {
+		return get_addr(buf, len, (struct sockaddr *) &in->sa, in->salen);
+	}
+
+	return get_addr6(buf, len, (struct sockaddr_in6 *) &in->sa, in->salen);
 }
 
 SWITCH_DECLARE(uint16_t) switch_sockaddr_get_port(switch_sockaddr_t *sa)

src/switch_utils.c

@@ -1482,6 +1482,17 @@ SWITCH_DECLARE(int) switch_cmp_addr(switch_sockaddr_t *sa1, switch_sockaddr_t *s
 	return 0;
 }
 
+SWITCH_DECLARE(char *) get_addr6(char *buf, switch_size_t len, struct sockaddr_in6 *sa, socklen_t salen)
+{
+	switch_assert(buf);
+	*buf = '\0';
+
+	if (sa) {
+		inet_ntop(AF_INET6, sa, buf, len);
+	}
+
+	return buf;
+}
 
 SWITCH_DECLARE(char *) get_addr(char *buf, switch_size_t len, struct sockaddr *sa, socklen_t salen)
 {