/* //////////////////////////////////////////////////////////////////////////////////////
* interfaces
*/
tb_dns_looker_ref_t tb_dns_looker_init(tb_char_t const* name)
{
// check
tb_assert_and_check_return_val(name, tb_null);
// must be not address
tb_assert(!tb_ipaddr_ip_cstr_set(tb_null, name, TB_IPADDR_FAMILY_NONE));
// done
tb_bool_t ok = tb_false;
tb_dns_looker_t* looker = tb_null;
do
{
// make looker
looker = tb_malloc0_type(tb_dns_looker_t);
tb_assert_and_check_return_val(looker, tb_null);
// dump server
// tb_dns_server_dump();
// get the dns server list
looker->maxn = tb_dns_server_get(looker->list);
tb_check_break(looker->maxn && looker->maxn <= tb_arrayn(looker->list));
// init name
if (!tb_static_string_init(&looker->name, (tb_char_t*)looker->data, TB_DNS_NAME_MAXN)) break;
tb_static_string_cstrcpy(&looker->name, name);
// init rpkt
if (!tb_static_buffer_init(&looker->rpkt, looker->data + TB_DNS_NAME_MAXN, TB_DNS_RPKT_MAXN)) break;
// init family
looker->family = TB_IPADDR_FAMILY_IPV4;
// init sock
looker->sock = tb_socket_init(TB_SOCKET_TYPE_UDP, looker->family);
tb_assert_and_check_break(looker->sock);
// init itor
looker->itor = 1;
// ok
ok = tb_true;
} while (0);
// failed?
if (!ok)
{
// exit it
if (looker) tb_dns_looker_exit((tb_dns_looker_ref_t)looker);
looker = tb_null;
}
// ok?
return (tb_dns_looker_ref_t)looker;
}
static tb_void_t tb_ifaddrs_interface_load4(tb_list_ref_t interfaces)
{
// check
tb_assert_and_check_return(interfaces);
// done
PIP_ADAPTER_INFO adapter_info = tb_null;
do
{
// make the adapter info
adapter_info = tb_malloc0_type(IP_ADAPTER_INFO);
tb_assert_and_check_break(adapter_info);
// get the real adapter info size
ULONG size = sizeof(IP_ADAPTER_INFO);
if (tb_iphlpapi()->GetAdaptersInfo(adapter_info, &size) == ERROR_BUFFER_OVERFLOW)
{
// grow the adapter info buffer
adapter_info = (PIP_ADAPTER_INFO)tb_ralloc(adapter_info, size);
tb_assert_and_check_break(adapter_info);
// reclear it
tb_memset(adapter_info, 0, size);
}
// get the adapter info
if (tb_iphlpapi()->GetAdaptersInfo(adapter_info, &size) != NO_ERROR) break;
// done
PIP_ADAPTER_INFO adapter = adapter_info;
while (adapter)
{
// check
tb_assert(adapter->AdapterName);
/* 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, adapter->AdapterName);
if (!interface) interface = &interface_new;
// check
tb_assert(interface == &interface_new || interface->name);
// save flags
if (adapter->Type == MIB_IF_TYPE_LOOPBACK) interface->flags |= TB_IFADDRS_INTERFACE_FLAG_IS_LOOPBACK;
// save hwaddr
if (adapter->AddressLength == sizeof(interface->hwaddr.u8))
{
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_HWADDR;
tb_memcpy(interface->hwaddr.u8, adapter->Address, sizeof(interface->hwaddr.u8));
}
// save ipaddrs
PIP_ADDR_STRING ipAddress = &adapter->IpAddressList;
while (ipAddress && (interface->flags & TB_IFADDRS_INTERFACE_FLAG_HAVE_IPADDR) != TB_IFADDRS_INTERFACE_FLAG_HAVE_IPADDR)
{
// done
tb_ipaddr_t ipaddr;
if ( ipAddress->IpAddress.String
&& tb_ipaddr_ip_cstr_set(&ipaddr, ipAddress->IpAddress.String, TB_IPADDR_FAMILY_NONE))
{
if (ipaddr.family == TB_IPADDR_FAMILY_IPV4)
{
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_IPADDR4;
interface->ipaddr4 = ipaddr.u.ipv4;
}
else if (ipaddr.family == TB_IPADDR_FAMILY_IPV6)
{
interface->flags |= TB_IFADDRS_INTERFACE_FLAG_HAVE_IPADDR6;
interface->ipaddr6 = ipaddr.u.ipv6;
}
}
// the next
ipAddress = ipAddress->Next;
}
// new interface? save it
if ( interface == &interface_new
&& interface->flags)
{
// save interface name
interface->name = tb_strdup(adapter->AdapterName);
tb_assert(interface->name);
// save interface
tb_list_insert_tail(interfaces, interface);
}
// the next adapter
adapter = adapter->Next;
}
} while (0);
// exit the adapter info
if (adapter_info) tb_free(adapter_info);
adapter_info = tb_null;
}
tb_bool_t tb_aicp_dns_done(tb_aicp_dns_ref_t dns, tb_char_t const* host, tb_long_t timeout, tb_aicp_dns_done_func_t func, tb_cpointer_t priv)
{
// check
tb_aicp_dns_impl_t* impl = (tb_aicp_dns_impl_t*)dns;
tb_assert_and_check_return_val(impl && func && host && host[0], tb_false);
// trace
tb_trace_d("done: aico: %p, host: %s: ..", impl->aico, host);
// init func
impl->done.func = func;
impl->done.priv = priv;
// save host
tb_strlcpy(impl->host, host, sizeof(impl->host));
// only address? ok
tb_ipaddr_t addr = {0};
if (tb_ipaddr_ip_cstr_set(&addr, impl->host, TB_IPADDR_FAMILY_NONE))
{
impl->done.func(dns, impl->host, &addr, impl->done.priv);
return tb_true;
}
// try to lookup it from cache first
if (tb_dns_cache_get(impl->host, &addr))
{
impl->done.func(dns, impl->host, &addr, impl->done.priv);
return tb_true;
}
// init server list
if (!impl->size) impl->size = tb_dns_server_get(impl->list);
tb_check_return_val(impl->size, tb_false);
// get the server
tb_ipaddr_ref_t server = &impl->list[impl->indx = 0];
tb_assert_and_check_return_val(!tb_ipaddr_is_empty(server), tb_false);
// init reqt
tb_size_t size = tb_aicp_dns_reqt_init(impl);
tb_assert_and_check_return_val(size, tb_false);
// init it first if no aico
if (!impl->aico)
{
// init aico
impl->aico = tb_aico_init(impl->aicp);
tb_assert_and_check_return_val(impl->aico, tb_false);
// open aico
if (!tb_aico_open_sock_from_type(impl->aico, TB_SOCKET_TYPE_UDP, tb_ipaddr_family(server))) return tb_false;
// init timeout
tb_aico_timeout_set(impl->aico, TB_AICO_TIMEOUT_SEND, timeout);
tb_aico_timeout_set(impl->aico, TB_AICO_TIMEOUT_RECV, timeout);
}
// post reqt
return tb_aico_usend(impl->aico, server, impl->data, size, tb_aicp_dns_reqt_func, (tb_pointer_t)impl);
}