tb_iterator_ref_t tb_ifaddrs_itor(tb_ifaddrs_ref_t ifaddrs, tb_bool_t reload)
{
// check
tb_list_ref_t interfaces = (tb_list_ref_t)ifaddrs;
tb_assert_and_check_return_val(interfaces, tb_null);
// uses the cached interfaces?
tb_check_return_val(reload, (tb_iterator_ref_t)interfaces);
// clear interfaces first
tb_list_clear(interfaces);
// done
tb_long_t sock = -1;
do
{
// make sock
sock = tb_ifaddrs_netlink_socket_init();
tb_assert_and_check_break(sock >= 0);
// load ipaddr
if (!tb_ifaddrs_interface_load(interfaces, sock, RTM_GETADDR)) break;
// load hwaddr
if (!tb_ifaddrs_interface_load(interfaces, sock, RTM_GETLINK)) break;
} while (0);
// exit sock
if (sock >= 0) close(sock);
sock = -1;
// ok?
return (tb_iterator_ref_t)interfaces;
}
tb_void_t tb_list_exit(tb_list_ref_t self)
{
// check
tb_list_t* list = (tb_list_t*)self;
tb_assert_and_check_return(list);
// clear data
tb_list_clear((tb_list_ref_t)list);
// exit pool
if (list->pool) tb_fixed_pool_exit(list->pool);
// exit it
tb_free(list);
}
tb_iterator_ref_t tb_ifaddrs_itor(tb_ifaddrs_ref_t ifaddrs, tb_bool_t reload)
{
// check
tb_list_ref_t interfaces = (tb_list_ref_t)ifaddrs;
tb_assert_and_check_return_val(interfaces, tb_null);
// uses the cached interfaces?
tb_check_return_val(reload, (tb_iterator_ref_t)interfaces);
// clear interfaces first
tb_list_clear(interfaces);
// attempt to load interfaces for ipv6 first
if (tb_iphlpapi()->GetAdaptersAddresses) tb_ifaddrs_interface_load6(interfaces);
// load interfaces only for ipv4
if (tb_iphlpapi()->GetAdaptersInfo) tb_ifaddrs_interface_load4(interfaces);
// ok?
return (tb_iterator_ref_t)interfaces;
}
tb_iterator_ref_t tb_ifaddrs_itor(tb_ifaddrs_ref_t ifaddrs, tb_bool_t reload)
{
// check
tb_list_ref_t interfaces = (tb_list_ref_t)ifaddrs;
tb_assert_and_check_return_val(interfaces, tb_null);
// uses the cached interfaces?
tb_check_return_val(reload, (tb_iterator_ref_t)interfaces);
// clear interfaces first
tb_list_clear(interfaces);
// query the list of interfaces.
struct ifaddrs* list = tb_null;
if (!getifaddrs(&list) && list)
{
#if 0
// init sock
tb_long_t sock = socket(AF_INET, SOCK_DGRAM, 0);
#endif
// done
struct ifaddrs* item = tb_null;
for (item = list; item; item = item->ifa_next)
{
// check
tb_check_continue(item->ifa_addr && item->ifa_name);
/* attempt to get the interface from the cached interfaces
* and make a new interface if no the cached interface
*/
tb_ifaddrs_interface_t interface_new = {0};
tb_ifaddrs_interface_ref_t interface = tb_ifaddrs_interface_find((tb_iterator_ref_t)interfaces, item->ifa_name);
if (!interface) interface = &interface_new;
// check
tb_assert(interface == &interface_new || interface->name);
// done
switch (item->ifa_addr->sa_family)
{
case AF_INET:
{
// the address
struct sockaddr_storage const* addr = (struct sockaddr_storage const*)item->ifa_addr;
// save ipaddr4
tb_ipaddr_t ipaddr4;
if (!tb_sockaddr_save(&ipaddr4, addr)) break;
interface->ipaddr4 = ipaddr4.u.ipv4;
// save flags
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_IPADDR4;
if ((item->ifa_flags & IFF_LOOPBACK) || tb_ipaddr_ip_is_loopback(&ipaddr4))
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_IS_LOOPBACK;
#if 0
// no hwaddr? get it
if (!(interface->flags & TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR))
{
// attempt get the hwaddr
struct ifreq ifr;
tb_memset(&ifr, 0, sizeof(ifr));
tb_strcpy(ifr.ifr_name, item->ifa_name);
if (!ioctl(sock, SIOCGIFHWADDR, &ifr))
{
// have hwaddr
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR;
// save hwaddr
tb_memcpy(interface->hwaddr.u8, ifr.ifr_hwaddr.sa_data, sizeof(interface->hwaddr.u8));
}
}
#endif
// new interface? save it
if (interface == &interface_new)
{
// save interface name
interface->name = tb_strdup(item->ifa_name);
tb_assert(interface->name);
// save interface
tb_list_insert_tail(interfaces, interface);
}
}
break;
case AF_INET6:
{
// the address
struct sockaddr_storage const* addr = (struct sockaddr_storage const*)item->ifa_addr;
// save ipaddr6
tb_ipaddr_t ipaddr6;
if (!tb_sockaddr_save(&ipaddr6, addr)) break;
interface->ipaddr6 = ipaddr6.u.ipv6;
// save flags
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_IPADDR6;
if ((item->ifa_flags & IFF_LOOPBACK) || tb_ipaddr_ip_is_loopback(&ipaddr6))
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_IS_LOOPBACK;
#if 0
// no hwaddr? get it
if (!(interface->flags & TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR))
{
// attempt get the hwaddr
struct ifreq ifr;
tb_memset(&ifr, 0, sizeof(ifr));
tb_strcpy(ifr.ifr_name, item->ifa_name);
if (!ioctl(sock, SIOCGIFHWADDR, &ifr))
{
// have hwaddr
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR;
// save hwaddr
tb_memcpy(interface->hwaddr.u8, ifr.ifr_hwaddr.sa_data, sizeof(interface->hwaddr.u8));
}
}
#endif
// new interface? save it
if (interface == &interface_new)
{
// save interface name
interface->name = tb_strdup(item->ifa_name);
tb_assert(interface->name);
// save interface
tb_list_insert_tail(interfaces, interface);
}
}
break;
case AF_PACKET:
{
// the address
struct sockaddr_ll const* addr = (struct sockaddr_ll const*)item->ifa_addr;
// check
tb_check_break(addr->sll_halen == sizeof(interface->hwaddr.u8));
// no hwaddr? get it
if (!(interface->flags & TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR))
{
// have hwaddr
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR;
// save hwaddr
tb_memcpy(interface->hwaddr.u8, addr->sll_addr, sizeof(interface->hwaddr.u8));
// new interface? save it
if (interface == &interface_new)
{
// save interface name
interface->name = tb_strdup(item->ifa_name);
tb_assert(interface->name);
// save interface
tb_list_insert_tail(interfaces, interface);
}
}
}
break;
default:
{
// trace
tb_trace_d("unknown family: %d", item->ifa_addr->sa_family);
}
break;
}
}
#if 0
// exit socket
if (sock) close(sock);
sock = 0;
#endif
// exit the interface list
freeifaddrs(list);
}
// ok?
return (tb_iterator_ref_t)interfaces;
}
