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circuitpython/shared-bindings/socket/__init__.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Damien P. George
* 2018 Nick Moore for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include "py/objtuple.h"
#include "py/objlist.h"
#include "py/runtime.h"
#include "py/stream.h"
#include "py/mperrno.h"
#include "lib/netutils/netutils.h"
#include "shared-module/network/__init__.h"
//| :mod:`socket` --- TCP, UDP and RAW socket support
//| =================================================
//|
//| .. module:: socket
//| :synopsis: TCP, UDP and RAW sockets
//| :platform: SAMD21, SAMD51
//|
//| Create TCP, UDP and RAW sockets for communicating over the Internet.
//|
STATIC const mp_obj_type_t socket_type;
//| .. currentmodule:: socket
//|
//| .. class:: socket(family, type, proto)
//|
//| Create a new socket
//|
//| :param ~int family: AF_INET or AF_INET6
//| :param ~int type: SOCK_STREAM, SOCK_DGRAM or SOCK_RAW
//| :param ~int proto: IPPROTO_TCP, IPPROTO_UDP or IPPROTO_RAW (ignored)
//|
STATIC mp_obj_t socket_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
mp_arg_check_num(n_args, kw_args, 0, 4, false);
// create socket object (not bound to any NIC yet)
mod_network_socket_obj_t *s = m_new_obj_with_finaliser(mod_network_socket_obj_t);
s->base.type = &socket_type;
s->nic = MP_OBJ_NULL;
s->nic_type = NULL;
s->u_param.domain = MOD_NETWORK_AF_INET;
s->u_param.type = MOD_NETWORK_SOCK_STREAM;
s->u_param.fileno = -1;
if (n_args >= 1) {
s->u_param.domain = mp_obj_get_int(args[0]);
if (n_args >= 2) {
s->u_param.type = mp_obj_get_int(args[1]);
if (n_args >= 4) {
s->u_param.fileno = mp_obj_get_int(args[3]);
}
}
}
return MP_OBJ_FROM_PTR(s);
}
STATIC void socket_select_nic(mod_network_socket_obj_t *self, const byte *ip) {
if (self->nic == MP_OBJ_NULL) {
// select NIC based on IP
self->nic = network_module_find_nic(ip);
self->nic_type = (mod_network_nic_type_t*)mp_obj_get_type(self->nic);
// call the NIC to open the socket
int _errno;
if (self->nic_type->socket(self, &_errno) != 0) {
mp_raise_OSError(_errno);
}
}
}
//| .. method:: bind(address)
//|
//| Bind a socket to an address
//|
//| :param ~tuple address: tuple of (remote_address, remote_port)
//|
STATIC mp_obj_t socket_bind(mp_obj_t self_in, mp_obj_t addr_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
// get address
uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_BIG);
// check if we need to select a NIC
socket_select_nic(self, ip);
// call the NIC to bind the socket
int _errno;
if (self->nic_type->bind(self, ip, port, &_errno) != 0) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_bind_obj, socket_bind);
//| .. method:: listen(backlog)
//|
//| Set socket to listen for incoming connections
//|
//| :param ~int backlog: length of backlog queue for waiting connetions
//|
STATIC mp_obj_t socket_listen(mp_obj_t self_in, mp_obj_t backlog) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->nic == MP_OBJ_NULL) {
// not connected
// TODO I think we can listen even if not bound...
mp_raise_OSError(MP_ENOTCONN);
}
int _errno;
if (self->nic_type->listen(self, mp_obj_get_int(backlog), &_errno) != 0) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_listen_obj, socket_listen);
//| .. method:: accept()
//|
//| Accept a connection on a listening socket of type SOCK_STREAM,
//| creating a new socket of type SOCK_STREAM.
//| Returns a tuple of (new_socket, remote_address)
//|
STATIC mp_obj_t socket_accept(mp_obj_t self_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
// create new socket object
// starts with empty NIC so that finaliser doesn't run close() method if accept() fails
mod_network_socket_obj_t *socket2 = m_new_obj_with_finaliser(mod_network_socket_obj_t);
socket2->base.type = &socket_type;
socket2->nic = MP_OBJ_NULL;
socket2->nic_type = NULL;
// accept incoming connection
uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
mp_uint_t port;
int _errno;
if (self->nic_type->accept(self, socket2, ip, &port, &_errno) != 0) {
mp_raise_OSError(_errno);
}
// new socket has valid state, so set the NIC to the same as parent
socket2->nic = self->nic;
socket2->nic_type = self->nic_type;
// make the return value
mp_obj_tuple_t *client = MP_OBJ_TO_PTR(mp_obj_new_tuple(2, NULL));
client->items[0] = MP_OBJ_FROM_PTR(socket2);
client->items[1] = netutils_format_inet_addr(ip, port, NETUTILS_BIG);
return MP_OBJ_FROM_PTR(client);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_accept_obj, socket_accept);
//| .. method:: connect(address)
//|
//| Connect a socket to a remote address
//|
//| :param ~tuple address: tuple of (remote_address, remote_port)
//|
STATIC mp_obj_t socket_connect(mp_obj_t self_in, mp_obj_t addr_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
// get address
uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_BIG);
// check if we need to select a NIC
socket_select_nic(self, ip);
// call the NIC to connect the socket
int _errno;
if (self->nic_type->connect(self, ip, port, &_errno) != 0) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_connect_obj, socket_connect);
//| .. method:: send(bytes)
//|
//| Send some bytes to the connected remote address.
//| Suits sockets of type SOCK_STREAM
//|
//| :param ~bytes bytes: some bytes to send
//|
STATIC mp_obj_t socket_send(mp_obj_t self_in, mp_obj_t buf_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->nic == MP_OBJ_NULL) {
// not connected
mp_raise_OSError(MP_EPIPE);
}
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(buf_in, &bufinfo, MP_BUFFER_READ);
int _errno;
mp_int_t ret = self->nic_type->send(self, bufinfo.buf, bufinfo.len, &_errno);
if (ret == -1) {
mp_raise_OSError(_errno);
}
return mp_obj_new_int_from_uint(ret);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_send_obj, socket_send);
// helper function for socket_recv and socket_recv_into to handle common operations of both
STATIC mp_int_t _socket_recv_into(mod_network_socket_obj_t *sock, byte *buf, mp_int_t len) {
int _errno;
mp_int_t ret = sock->nic_type->recv(sock, buf, len, &_errno);
if (ret == -1) {
mp_raise_OSError(_errno);
}
return ret;
}
//| .. method:: recv_into(buffer[, bufsize])
//|
//| Reads some bytes from the connected remote address, writing
//| into the provided buffer. If bufsize <= len(buffer) is given,
//| a maximum of bufsize bytes will be read into the buffer. If no
//| valid value is given for bufsize, the default is the length of
//| the given buffer.
//|
//| Suits sockets of type SOCK_STREAM
//| Returns an int of number of bytes read.
//|
//| :param bytearray buffer: buffer to receive into
//| :param int bufsize: optionally, a maximum number of bytes to read.
STATIC mp_obj_t socket_recv_into(size_t n_args, const mp_obj_t *args) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (self->nic == MP_OBJ_NULL) {
// not connected
mp_raise_OSError(MP_ENOTCONN);
}
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[1], &bufinfo, MP_BUFFER_WRITE);
mp_int_t len = bufinfo.len;
if (n_args == 3) {
mp_int_t given_len = mp_obj_get_int(args[2]);
if (given_len < len) {
len = given_len;
}
}
mp_int_t ret = _socket_recv_into(self, (byte*)bufinfo.buf, len);
return mp_obj_new_int_from_uint(ret);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_recv_into_obj, 2, 3, socket_recv_into);
//| .. method:: recv(bufsize)
//|
//| Reads some bytes from the connected remote address.
//| Suits sockets of type SOCK_STREAM
//| Returns a bytes() of length <= bufsize
//|
//| :param ~int bufsize: maximum number of bytes to receive
STATIC mp_obj_t socket_recv(mp_obj_t self_in, mp_obj_t len_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->nic == MP_OBJ_NULL) {
// not connected
mp_raise_OSError(MP_ENOTCONN);
}
mp_int_t len = mp_obj_get_int(len_in);
vstr_t vstr;
vstr_init_len(&vstr, len);
mp_int_t ret = _socket_recv_into(self, (byte*)vstr.buf, len);
if (ret == 0) {
return mp_const_empty_bytes;
}
vstr.len = ret;
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_recv_obj, socket_recv);
//| .. method:: sendto(bytes, address)
//|
//| Send some bytes to a specific address.
//| Suits sockets of type SOCK_DGRAM
//|
//| :param ~bytes bytes: some bytes to send
//| :param ~tuple address: tuple of (remote_address, remote_port)
//|
STATIC mp_obj_t socket_sendto(mp_obj_t self_in, mp_obj_t data_in, mp_obj_t addr_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
// get the data
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(data_in, &bufinfo, MP_BUFFER_READ);
// get address
uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_BIG);
// check if we need to select a NIC
socket_select_nic(self, ip);
// call the NIC to sendto
int _errno;
mp_int_t ret = self->nic_type->sendto(self, bufinfo.buf, bufinfo.len, ip, port, &_errno);
if (ret == -1) {
mp_raise_OSError(_errno);
}
return mp_obj_new_int(ret);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(socket_sendto_obj, socket_sendto);
//| .. method:: recvfrom(bufsize)
//|
//| Reads some bytes from the connected remote address.
//| Suits sockets of type SOCK_STREAM
//|
//| Returns a tuple containing
//| * a bytes() of length <= bufsize
//| * a remote_address, which is a tuple of ip address and port number
//|
//| :param ~int bufsize: maximum number of bytes to receive
//|
STATIC mp_obj_t socket_recvfrom(mp_obj_t self_in, mp_obj_t len_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->nic == MP_OBJ_NULL) {
// not connected
mp_raise_OSError(MP_ENOTCONN);
}
vstr_t vstr;
vstr_init_len(&vstr, mp_obj_get_int(len_in));
byte ip[4];
mp_uint_t port;
int _errno;
mp_int_t ret = self->nic_type->recvfrom(self, (byte*)vstr.buf, vstr.len, ip, &port, &_errno);
if (ret == -1) {
mp_raise_OSError(_errno);
}
mp_obj_t tuple[2];
if (ret == 0) {
tuple[0] = mp_const_empty_bytes;
} else {
vstr.len = ret;
tuple[0] = mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
tuple[1] = netutils_format_inet_addr(ip, port, NETUTILS_BIG);
return mp_obj_new_tuple(2, tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_recvfrom_obj, socket_recvfrom);
//| .. method:: setsockopt(level, optname, value)
//|
//| Sets socket options
//|
STATIC mp_obj_t socket_setsockopt(size_t n_args, const mp_obj_t *args) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(args[0]);
mp_int_t level = mp_obj_get_int(args[1]);
mp_int_t opt = mp_obj_get_int(args[2]);
const void *optval;
mp_uint_t optlen;
mp_int_t val;
if (mp_obj_is_integer(args[3])) {
val = mp_obj_get_int_truncated(args[3]);
optval = &val;
optlen = sizeof(val);
} else {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
optval = bufinfo.buf;
optlen = bufinfo.len;
}
int _errno;
if (self->nic_type->setsockopt(self, level, opt, optval, optlen, &_errno) != 0) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_setsockopt_obj, 4, 4, socket_setsockopt);
//| .. method:: settimeout(value)
//|
//| Set the timeout value for this socket.
//|
//| :param ~int value: timeout in seconds. 0 means non-blocking. None means block indefinitely.
//|
STATIC mp_obj_t socket_settimeout(mp_obj_t self_in, mp_obj_t timeout_in) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->nic == MP_OBJ_NULL) {
// not connected
mp_raise_OSError(MP_ENOTCONN);
}
mp_uint_t timeout;
if (timeout_in == mp_const_none) {
timeout = -1;
} else {
#if MICROPY_PY_BUILTINS_FLOAT
timeout = 1000 * mp_obj_get_float(timeout_in);
#else
timeout = 1000 * mp_obj_get_int(timeout_in);
#endif
}
int _errno;
if (self->nic_type->settimeout(self, timeout, &_errno) != 0) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_settimeout_obj, socket_settimeout);
//| .. method:: setblocking(flag)
//|
//| Set the blocking behaviour of this socket.
//|
//| :param ~bool flag: False means non-blocking, True means block indefinitely.
//|
// method socket.setblocking(flag)
STATIC mp_obj_t socket_setblocking(mp_obj_t self_in, mp_obj_t blocking) {
if (mp_obj_is_true(blocking)) {
return socket_settimeout(self_in, mp_const_none);
} else {
return socket_settimeout(self_in, MP_OBJ_NEW_SMALL_INT(0));
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_setblocking_obj, socket_setblocking);
STATIC const mp_rom_map_elem_t socket_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mp_stream_close_obj) },
{ MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&mp_stream_close_obj) },
{ MP_ROM_QSTR(MP_QSTR_bind), MP_ROM_PTR(&socket_bind_obj) },
{ MP_ROM_QSTR(MP_QSTR_listen), MP_ROM_PTR(&socket_listen_obj) },
{ MP_ROM_QSTR(MP_QSTR_accept), MP_ROM_PTR(&socket_accept_obj) },
{ MP_ROM_QSTR(MP_QSTR_connect), MP_ROM_PTR(&socket_connect_obj) },
{ MP_ROM_QSTR(MP_QSTR_send), MP_ROM_PTR(&socket_send_obj) },
{ MP_ROM_QSTR(MP_QSTR_recv), MP_ROM_PTR(&socket_recv_obj) },
{ MP_ROM_QSTR(MP_QSTR_sendto), MP_ROM_PTR(&socket_sendto_obj) },
{ MP_ROM_QSTR(MP_QSTR_recvfrom), MP_ROM_PTR(&socket_recvfrom_obj) },
{ MP_ROM_QSTR(MP_QSTR_recv_into), MP_ROM_PTR(&socket_recv_into_obj) },
{ MP_ROM_QSTR(MP_QSTR_setsockopt), MP_ROM_PTR(&socket_setsockopt_obj) },
{ MP_ROM_QSTR(MP_QSTR_settimeout), MP_ROM_PTR(&socket_settimeout_obj) },
{ MP_ROM_QSTR(MP_QSTR_setblocking), MP_ROM_PTR(&socket_setblocking_obj) },
};
STATIC MP_DEFINE_CONST_DICT(socket_locals_dict, socket_locals_dict_table);
mp_uint_t socket_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (request == MP_STREAM_CLOSE) {
if (self->nic != MP_OBJ_NULL) {
self->nic_type->close(self);
self->nic = MP_OBJ_NULL;
}
return 0;
}
return self->nic_type->ioctl(self, request, arg, errcode);
}
STATIC const mp_stream_p_t socket_stream_p = {
MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
.ioctl = socket_ioctl,
.is_text = false,
};
STATIC const mp_obj_type_t socket_type = {
{ &mp_type_type },
.name = MP_QSTR_socket,
.make_new = socket_make_new,
.protocol = &socket_stream_p,
.locals_dict = (mp_obj_dict_t*)&socket_locals_dict,
};
//| .. function:: getaddrinfo(host, port)
//|
//| Gets the address information for a hostname and port
//|
//| Returns the appropriate family, socket type, socket protocol and
//| address information to call socket.socket() and socket.connect() with,
//| as a tuple.
//|
STATIC mp_obj_t socket_getaddrinfo(mp_obj_t host_in, mp_obj_t port_in) {
size_t hlen;
const char *host = mp_obj_str_get_data(host_in, &hlen);
mp_int_t port = mp_obj_get_int(port_in);
uint8_t out_ip[MOD_NETWORK_IPADDR_BUF_SIZE];
bool have_ip = false;
if (hlen > 0) {
// check if host is already in IP form
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
netutils_parse_ipv4_addr(host_in, out_ip, NETUTILS_BIG);
have_ip = true;
nlr_pop();
} else {
// swallow exception: host was not in IP form so need to do DNS lookup
}
}
if (!have_ip) {
// find a NIC that can do a name lookup
for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
mp_obj_t nic = MP_STATE_PORT(mod_network_nic_list).items[i];
mod_network_nic_type_t *nic_type = (mod_network_nic_type_t*)mp_obj_get_type(nic);
if (nic_type->gethostbyname != NULL) {
int ret = nic_type->gethostbyname(nic, host, hlen, out_ip);
if (ret != 0) {
mp_raise_OSError(ret);
}
have_ip = true;
break;
}
}
}
if (!have_ip) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, translate("no available NIC")));
}
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(5, NULL));
tuple->items[0] = MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_AF_INET);
tuple->items[1] = MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_STREAM);
tuple->items[2] = MP_OBJ_NEW_SMALL_INT(0);
tuple->items[3] = MP_OBJ_NEW_QSTR(MP_QSTR_);
tuple->items[4] = netutils_format_inet_addr(out_ip, port, NETUTILS_BIG);
return mp_obj_new_list(1, (mp_obj_t*)&tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_getaddrinfo_obj, socket_getaddrinfo);
STATIC const mp_rom_map_elem_t socket_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_usocket) },
{ MP_ROM_QSTR(MP_QSTR_socket), MP_ROM_PTR(&socket_type) },
{ MP_ROM_QSTR(MP_QSTR_getaddrinfo), MP_ROM_PTR(&socket_getaddrinfo_obj) },
// class constants
{ MP_ROM_QSTR(MP_QSTR_AF_INET), MP_ROM_INT(MOD_NETWORK_AF_INET) },
{ MP_ROM_QSTR(MP_QSTR_AF_INET6), MP_ROM_INT(MOD_NETWORK_AF_INET6) },
{ MP_ROM_QSTR(MP_QSTR_SOCK_STREAM), MP_ROM_INT(MOD_NETWORK_SOCK_STREAM) },
{ MP_ROM_QSTR(MP_QSTR_SOCK_DGRAM), MP_ROM_INT(MOD_NETWORK_SOCK_DGRAM) },
{ MP_ROM_QSTR(MP_QSTR_SOCK_RAW), MP_ROM_INT(MOD_NETWORK_SOCK_RAW) },
/*
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_IP), MP_ROM_INT(MOD_NETWORK_IPPROTO_IP) },
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_ICMP), MP_ROM_INT(MOD_NETWORK_IPPROTO_ICMP) },
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_IPV4), MP_ROM_INT(MOD_NETWORK_IPPROTO_IPV4) },
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_TCP), MP_ROM_INT(MOD_NETWORK_IPPROTO_TCP) },
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_UDP), MP_ROM_INT(MOD_NETWORK_IPPROTO_UDP) },
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_IPV6), MP_ROM_INT(MOD_NETWORK_IPPROTO_IPV6) },
{ MP_ROM_QSTR(MP_QSTR_IPPROTO_RAW), MP_ROM_INT(MOD_NETWORK_IPPROTO_RAW) },
*/
};
STATIC MP_DEFINE_CONST_DICT(socket_globals, socket_globals_table);
const mp_obj_module_t socket_module = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t*)&socket_globals,
};