const char *LWIP::get_ip_address()
{
if (!default_interface) {
return NULL;
}
const ip_addr_t *addr = get_ip_addr(true, &default_interface->netif);
if (!addr) {
return NULL;
}
#if LWIP_IPV6
if (IP_IS_V6(addr)) {
return ip6addr_ntoa_r(ip_2_ip6(addr), ip_address, sizeof(ip_address));
}
#endif
#if LWIP_IPV4
if (IP_IS_V4(addr)) {
return ip4addr_ntoa_r(ip_2_ip4(addr), ip_address, sizeof(ip_address));
}
#endif
#if LWIP_IPV6 && LWIP_IPV4
return NULL;
#endif
}
char *LWIP::Interface::get_gateway(char *buf, nsapi_size_t buflen)
{
#if LWIP_IPV4
const ip4_addr_t *addr = netif_ip4_gw(&netif);
if (!ip4_addr_isany(addr)) {
return ip4addr_ntoa_r(addr, buf, buflen);
} else {
return NULL;
}
#else
return NULL;
#endif
}
const char *mbed_lwip_get_netmask(char *buf, nsapi_size_t buflen)
{
#if LWIP_IPV4
const ip4_addr_t *addr = netif_ip4_netmask(&lwip_netif);
if (!ip4_addr_isany(addr)) {
return ip4addr_ntoa_r(addr, buf, buflen);
} else {
return NULL;
}
#else
return NULL;
#endif
}
char *mbed_lwip_get_ip_address(char *buf, nsapi_size_t buflen)
{
const ip_addr_t *addr = mbed_lwip_get_ip_addr(true, &lwip_netif);
if (!addr) {
return NULL;
}
#if LWIP_IPV6
if (IP_IS_V6(addr)) {
return ip6addr_ntoa_r(ip_2_ip6(addr), buf, buflen);
}
#endif
#if LWIP_IPV4
if (IP_IS_V4(addr)) {
return ip4addr_ntoa_r(ip_2_ip4(addr), buf, buflen);
}
#endif
return NULL;
}
char *LWIP::Interface::get_ip_address(char *buf, nsapi_size_t buflen)
{
const ip_addr_t *addr = LWIP::get_ip_addr(true, &netif);
if (!addr) {
return NULL;
}
#if LWIP_IPV6
if (IP_IS_V6(addr)) {
return ip6addr_ntoa_r(ip_2_ip6(addr), buf, buflen);
}
#endif
#if LWIP_IPV4
if (IP_IS_V4(addr)) {
return ip4addr_ntoa_r(ip_2_ip4(addr), buf, buflen);
}
#endif
#if LWIP_IPV6 && LWIP_IPV4
return NULL;
#endif
}
/**
* Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used.
*
* @param addr ip6 address in network order to convert
* @param buf target buffer where the string is stored
* @param buflen length of buf
* @return either pointer to buf which now holds the ASCII
* representation of addr or NULL if buf was too small
*/
char *
ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen)
{
u32_t current_block_index, current_block_value, next_block_value;
s32_t i;
u8_t zero_flag, empty_block_flag;
#if LWIP_IPV4
if (ip6_addr_isipv4mappedipv6(addr)) {
/* This is an IPv4 mapped address */
ip4_addr_t addr4;
char *ret;
#define IP4MAPPED_HEADER "::FFFF:"
char *buf_ip4 = buf + sizeof(IP4MAPPED_HEADER) - 1;
int buflen_ip4 = buflen - sizeof(IP4MAPPED_HEADER) + 1;
if (buflen < (int)sizeof(IP4MAPPED_HEADER)) {
return NULL;
}
memcpy(buf, IP4MAPPED_HEADER, sizeof(IP4MAPPED_HEADER));
addr4.addr = addr->addr[3];
ret = ip4addr_ntoa_r(&addr4, buf_ip4, buflen_ip4);
if (ret != buf_ip4) {
return NULL;
}
return buf;
}
#endif /* LWIP_IPV4 */
i = 0;
empty_block_flag = 0; /* used to indicate a zero chain for "::' */
for (current_block_index = 0; current_block_index < 8; current_block_index++) {
/* get the current 16-bit block */
current_block_value = lwip_htonl(addr->addr[current_block_index >> 1]);
if ((current_block_index & 0x1) == 0) {
current_block_value = current_block_value >> 16;
}
current_block_value &= 0xffff;
/* Check for empty block. */
if (current_block_value == 0) {
if (current_block_index == 7 && empty_block_flag == 1) {
/* special case, we must render a ':' for the last block. */
buf[i++] = ':';
if (i >= buflen) {
return NULL;
}
break;
}
if (empty_block_flag == 0) {
/* generate empty block "::", but only if more than one contiguous zero block,
* according to current formatting suggestions RFC 5952. */
next_block_value = lwip_htonl(addr->addr[(current_block_index + 1) >> 1]);
if ((current_block_index & 0x1) == 0x01) {
next_block_value = next_block_value >> 16;
}
next_block_value &= 0xffff;
if (next_block_value == 0) {
empty_block_flag = 1;
buf[i++] = ':';
if (i >= buflen) {
return NULL;
}
continue; /* move on to next block. */
}
} else if (empty_block_flag == 1) {
/**
* Convert numeric IP address into decimal dotted ASCII representation.
* returns ptr to static buffer; not reentrant!
*
* @param addr ip address in network order to convert
* @return pointer to a global static (!) buffer that holds the ASCII
* representation of addr
*/
char*
ip4addr_ntoa(const ip4_addr_t *addr)
{
static char str[IP4ADDR_STRLEN_MAX];
return ip4addr_ntoa_r(addr, str, IP4ADDR_STRLEN_MAX);
}
STATIC mp_obj_t esp_socket_getaddrinfo(size_t n_args, const mp_obj_t *args) {
// TODO support additional args beyond the first two
struct addrinfo *res = NULL;
_socket_getaddrinfo2(args[0], args[1], &res);
mp_obj_t ret_list = mp_obj_new_list(0, NULL);
for (struct addrinfo *resi = res; resi; resi = resi->ai_next) {
mp_obj_t addrinfo_objs[5] = {
mp_obj_new_int(resi->ai_family),
mp_obj_new_int(resi->ai_socktype),
mp_obj_new_int(resi->ai_protocol),
mp_obj_new_str(resi->ai_canonname, strlen(resi->ai_canonname)),
mp_const_none
};
if (resi->ai_family == AF_INET) {
struct sockaddr_in *addr = (struct sockaddr_in *)resi->ai_addr;
// This looks odd, but it's really just a u32_t
ip4_addr_t ip4_addr = { .addr = addr->sin_addr.s_addr };
char buf[16];
ip4addr_ntoa_r(&ip4_addr, buf, sizeof(buf));
mp_obj_t inaddr_objs[2] = {
mp_obj_new_str(buf, strlen(buf)),
mp_obj_new_int(ntohs(addr->sin_port))
};
addrinfo_objs[4] = mp_obj_new_tuple(2, inaddr_objs);
}
mp_obj_list_append(ret_list, mp_obj_new_tuple(5, addrinfo_objs));
}
if (res) lwip_freeaddrinfo(res);
return ret_list;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_socket_getaddrinfo_obj, 2, 6, esp_socket_getaddrinfo);
STATIC mp_obj_t esp_socket_initialize() {
static int initialized = 0;
if (!initialized) {
ESP_LOGI("modsocket", "Initializing");
tcpip_adapter_init();
initialized = 1;
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_socket_initialize_obj, esp_socket_initialize);
STATIC const mp_map_elem_t mp_module_socket_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_usocket) },
{ MP_OBJ_NEW_QSTR(MP_QSTR___init__), (mp_obj_t)&esp_socket_initialize_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_socket), (mp_obj_t)&get_socket_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_getaddrinfo), (mp_obj_t)&esp_socket_getaddrinfo_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET), MP_OBJ_NEW_SMALL_INT(AF_INET) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET6), MP_OBJ_NEW_SMALL_INT(AF_INET6) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_STREAM), MP_OBJ_NEW_SMALL_INT(SOCK_STREAM) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_DGRAM), MP_OBJ_NEW_SMALL_INT(SOCK_DGRAM) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_RAW), MP_OBJ_NEW_SMALL_INT(SOCK_RAW) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_TCP), MP_OBJ_NEW_SMALL_INT(IPPROTO_TCP) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_UDP), MP_OBJ_NEW_SMALL_INT(IPPROTO_UDP) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_IP), MP_OBJ_NEW_SMALL_INT(IPPROTO_IP) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_SOL_SOCKET), MP_OBJ_NEW_SMALL_INT(SOL_SOCKET) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_SO_REUSEADDR), MP_OBJ_NEW_SMALL_INT(SO_REUSEADDR) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_IP_ADD_MEMBERSHIP), MP_OBJ_NEW_SMALL_INT(IP_ADD_MEMBERSHIP) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_socket_globals, mp_module_socket_globals_table);
const mp_obj_module_t mp_module_usocket = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t*)&mp_module_socket_globals,
};