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micropython/cc3200/mods/modusocket.c

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2015 Daniel Campora
*
* 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 <stdint.h>
#include <string.h>
#include "simplelink.h"
#include "py/mpconfig.h"
#include "py/obj.h"
#include "py/objstr.h"
#include "py/runtime.h"
#include "py/stream.h"
#include "netutils.h"
#include "modnetwork.h"
#include "modwlan.h"
#include "modusocket.h"
#include "mpexception.h"
/******************************************************************************
DEFINE PRIVATE CONSTANTS
******************************************************************************/
#define MOD_NETWORK_MAX_SOCKETS 10
/******************************************************************************
DEFINE PRIVATE TYPES
******************************************************************************/
typedef struct {
int16_t sd;
bool user;
} modusocket_sock_t;
/******************************************************************************
DEFINE PRIVATE DATA
******************************************************************************/
STATIC const mp_obj_type_t socket_type;
STATIC OsiLockObj_t modusocket_LockObj;
STATIC modusocket_sock_t modusocket_sockets[MOD_NETWORK_MAX_SOCKETS] = {{.sd = -1}, {.sd = -1}, {.sd = -1}, {.sd = -1}, {.sd = -1},
{.sd = -1}, {.sd = -1}, {.sd = -1}, {.sd = -1}, {.sd = -1}};
/******************************************************************************
DEFINE PUBLIC FUNCTIONS
******************************************************************************/
__attribute__ ((section (".boot")))
void modusocket_pre_init (void) {
// create the wlan lock
ASSERT(OSI_OK == sl_LockObjCreate(&modusocket_LockObj, "SockLock"));
sl_LockObjUnlock (&modusocket_LockObj);
}
void modusocket_socket_add (int16_t sd, bool user) {
sl_LockObjLock (&modusocket_LockObj, SL_OS_WAIT_FOREVER);
for (int i = 0; i < MOD_NETWORK_MAX_SOCKETS; i++) {
if (modusocket_sockets[i].sd < 0) {
modusocket_sockets[i].sd = sd;
modusocket_sockets[i].user = user;
break;
}
}
sl_LockObjUnlock (&modusocket_LockObj);
}
void modusocket_socket_delete (int16_t sd) {
sl_LockObjLock (&modusocket_LockObj, SL_OS_WAIT_FOREVER);
for (int i = 0; i < MOD_NETWORK_MAX_SOCKETS; i++) {
if (modusocket_sockets[i].sd == sd) {
modusocket_sockets[i].sd = -1;
break;
}
}
sl_LockObjUnlock (&modusocket_LockObj);
}
void modusocket_enter_sleep (void) {
fd_set socketset;
int16_t maxfd = 0;
for (int i = 0; i < MOD_NETWORK_MAX_SOCKETS; i++) {
int16_t sd;
if ((sd = modusocket_sockets[i].sd) >= 0) {
FD_SET(sd, &socketset);
maxfd = (maxfd > sd) ? maxfd : sd;
}
}
// wait for any of the sockets to become ready...
sl_Select(maxfd + 1, &socketset, NULL, NULL, NULL);
}
void modusocket_close_all_user_sockets (void) {
sl_LockObjLock (&modusocket_LockObj, SL_OS_WAIT_FOREVER);
for (int i = 0; i < MOD_NETWORK_MAX_SOCKETS; i++) {
if (modusocket_sockets[i].sd >= 0 && modusocket_sockets[i].user) {
sl_Close(modusocket_sockets[i].sd);
modusocket_sockets[i].sd = -1;
}
}
sl_LockObjUnlock (&modusocket_LockObj);
}
/******************************************************************************/
// socket class
// constructor socket(family=AF_INET, type=SOCK_STREAM, proto=IPPROTO_TCP, fileno=None)
STATIC mp_obj_t socket_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 4, false);
// create socket object
mod_network_socket_obj_t *s = m_new_obj_with_finaliser(mod_network_socket_obj_t);
s->base.type = (mp_obj_t)&socket_type;
s->sock_base.u_param.domain = AF_INET;
s->sock_base.u_param.type = SOCK_STREAM;
s->sock_base.u_param.proto = IPPROTO_TCP;
s->sock_base.u_param.fileno = -1;
s->sock_base.has_timeout = false;
s->sock_base.cert_req = false;
if (n_args > 0) {
s->sock_base.u_param.domain = mp_obj_get_int(args[0]);
if (n_args > 1) {
s->sock_base.u_param.type = mp_obj_get_int(args[1]);
if (n_args > 2) {
s->sock_base.u_param.proto = mp_obj_get_int(args[2]);
if (n_args > 3) {
s->sock_base.u_param.fileno = mp_obj_get_int(args[3]);
}
}
}
}
// create the socket
int _errno;
if (wlan_socket_socket(s, &_errno) != 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
// add the socket to the list
modusocket_socket_add(s->sock_base.sd, true);
return s;
}
// method socket.close()
STATIC mp_obj_t socket_close(mp_obj_t self_in) {
mod_network_socket_obj_t *self = self_in;
wlan_socket_close(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_close_obj, socket_close);
// method socket.bind(address)
STATIC mp_obj_t socket_bind(mp_obj_t self_in, mp_obj_t addr_in) {
mod_network_socket_obj_t *self = self_in;
// get address
uint8_t ip[MOD_NETWORK_IPV4ADDR_BUF_SIZE];
mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_LITTLE);
// call the NIC to bind the socket
int _errno;
if (wlan_socket_bind(self, ip, port, &_errno) != 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_bind_obj, socket_bind);
// method socket.listen([backlog])
STATIC mp_obj_t socket_listen(mp_uint_t n_args, const mp_obj_t *args) {
mod_network_socket_obj_t *self = args[0];
int32_t backlog = 0;
if (n_args > 1) {
backlog = mp_obj_get_int(args[1]);
backlog = (backlog < 0) ? 0 : backlog;
}
int _errno;
if (wlan_socket_listen(self, backlog, &_errno) != 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_listen_obj, 1, 2, socket_listen);
// method socket.accept()
STATIC mp_obj_t socket_accept(mp_obj_t self_in) {
mod_network_socket_obj_t *self = self_in;
// create new socket object
mod_network_socket_obj_t *socket2 = m_new_obj_with_finaliser(mod_network_socket_obj_t);
// the new socket inherits all properties from its parent
memcpy (socket2, self, sizeof(mod_network_socket_obj_t));
// accept the incoming connection
uint8_t ip[MOD_NETWORK_IPV4ADDR_BUF_SIZE];
mp_uint_t port;
int _errno;
if (wlan_socket_accept(self, socket2, ip, &port, &_errno) != 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
// add the socket to the list
modusocket_socket_add(socket2->sock_base.sd, true);
// make the return value
mp_obj_tuple_t *client = mp_obj_new_tuple(2, NULL);
client->items[0] = socket2;
client->items[1] = netutils_format_inet_addr(ip, port, NETUTILS_LITTLE);
return client;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_accept_obj, socket_accept);
// method socket.connect(address)
STATIC mp_obj_t socket_connect(mp_obj_t self_in, mp_obj_t addr_in) {
mod_network_socket_obj_t *self = self_in;
// get address
uint8_t ip[MOD_NETWORK_IPV4ADDR_BUF_SIZE];
mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_LITTLE);
// connect the socket
int _errno;
if (wlan_socket_connect(self, ip, port, &_errno) != 0) {
if (!self->sock_base.cert_req && _errno == SL_ESECSNOVERIFY) {
return mp_const_none;
}
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_connect_obj, socket_connect);
// method socket.send(bytes)
STATIC mp_obj_t socket_send(mp_obj_t self_in, mp_obj_t buf_in) {
mod_network_socket_obj_t *self = self_in;
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(buf_in, &bufinfo, MP_BUFFER_READ);
int _errno;
mp_int_t ret = wlan_socket_send(self, bufinfo.buf, bufinfo.len, &_errno);
if (ret < 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_obj_new_int_from_uint(ret);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_send_obj, socket_send);
// method socket.recv(bufsize)
STATIC mp_obj_t socket_recv(mp_obj_t self_in, mp_obj_t len_in) {
mod_network_socket_obj_t *self = self_in;
mp_int_t len = mp_obj_get_int(len_in);
vstr_t vstr;
vstr_init_len(&vstr, len);
int _errno;
mp_int_t ret = wlan_socket_recv(self, (byte*)vstr.buf, len, &_errno);
if (ret < 0) {
if (_errno == EAGAIN && self->sock_base.has_timeout) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TimeoutError, "timed out"));
}
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
if (ret == 0) {
return mp_const_empty_bytes;
}
vstr.len = ret;
vstr.buf[vstr.len] = '\0';
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_recv_obj, socket_recv);
// method socket.sendto(bytes, address)
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 = 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_IPV4ADDR_BUF_SIZE];
mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_LITTLE);
// call the nic to sendto
int _errno;
mp_int_t ret = wlan_socket_sendto(self, bufinfo.buf, bufinfo.len, ip, port, &_errno);
if (ret < 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_obj_new_int(ret);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(socket_sendto_obj, socket_sendto);
// method socket.recvfrom(bufsize)
STATIC mp_obj_t socket_recvfrom(mp_obj_t self_in, mp_obj_t len_in) {
mod_network_socket_obj_t *self = self_in;
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 = wlan_socket_recvfrom(self, (byte*)vstr.buf, vstr.len, ip, &port, &_errno);
if (ret < 0) {
if (_errno == EAGAIN && self->sock_base.has_timeout) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TimeoutError, "timed out"));
}
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
mp_obj_t tuple[2];
if (ret == 0) {
tuple[0] = mp_const_empty_bytes;
} else {
vstr.len = ret;
vstr.buf[vstr.len] = '\0';
tuple[0] = mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
tuple[1] = netutils_format_inet_addr(ip, port, NETUTILS_LITTLE);
return mp_obj_new_tuple(2, tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_recvfrom_obj, socket_recvfrom);
// method socket.setsockopt(level, optname, value)
STATIC mp_obj_t socket_setsockopt(mp_uint_t n_args, const mp_obj_t *args) {
mod_network_socket_obj_t *self = 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 (wlan_socket_setsockopt(self, level, opt, optval, optlen, &_errno) != 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_setsockopt_obj, 4, 4, socket_setsockopt);
// method socket.settimeout(value)
// timeout=0 means non-blocking
// timeout=None means blocking
// otherwise, timeout is in seconds
STATIC mp_obj_t socket_settimeout(mp_obj_t self_in, mp_obj_t timeout_in) {
mod_network_socket_obj_t *self = self_in;
mp_uint_t timeout;
if (timeout_in == mp_const_none) {
timeout = -1;
} else {
timeout = mp_obj_get_int(timeout_in);
}
int _errno;
if (wlan_socket_settimeout(self, timeout, &_errno) != 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-_errno)));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_settimeout_obj, socket_settimeout);
// 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 mp_obj_t socket_makefile(mp_uint_t n_args, const mp_obj_t *args) {
// TODO: CPython explicitly says that closing the returned object doesn't
// close the original socket (Python2 at all says that fd is dup()ed). But
// we save on the bloat.
mod_network_socket_obj_t *self = args[0];
if (n_args > 1) {
const char *mode = mp_obj_str_get_str(args[1]);
if (strcmp(mode, "rb") && strcmp(mode, "wb")) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
}
return self;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_makefile_obj, 1, 6, socket_makefile);
STATIC const mp_map_elem_t socket_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___del__), (mp_obj_t)&socket_close_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_close), (mp_obj_t)&socket_close_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_bind), (mp_obj_t)&socket_bind_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_listen), (mp_obj_t)&socket_listen_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_accept), (mp_obj_t)&socket_accept_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_connect), (mp_obj_t)&socket_connect_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&socket_send_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sendall), (mp_obj_t)&socket_send_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&socket_recv_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sendto), (mp_obj_t)&socket_sendto_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_recvfrom), (mp_obj_t)&socket_recvfrom_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_setsockopt), (mp_obj_t)&socket_setsockopt_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_settimeout), (mp_obj_t)&socket_settimeout_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_setblocking), (mp_obj_t)&socket_setblocking_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_makefile), (mp_obj_t)&socket_makefile_obj },
// stream methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&mp_stream_read_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_readall), (mp_obj_t)&mp_stream_readall_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_readinto), (mp_obj_t)&mp_stream_readinto_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_readline), (mp_obj_t)&mp_stream_unbuffered_readline_obj},
{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&mp_stream_write_obj },
};
MP_DEFINE_CONST_DICT(socket_locals_dict, socket_locals_dict_table);
STATIC mp_uint_t socket_read(mp_obj_t self_in, void *buf, mp_uint_t size, int *errcode) {
mod_network_socket_obj_t *self = self_in;
mp_int_t ret = wlan_socket_recv(self, buf, size, errcode);
if (ret < 0) {
// we need to ignore the socket closed error here because a readall() or read() without params
// only returns when the socket is closed by the other end
if (*errcode != SL_ESECCLOSED) {
ret = MP_STREAM_ERROR;
// needed to convert simplelink's negative error codes to POSIX
(*errcode) *= -1;
} else {
ret = 0;
}
}
return ret;
}
STATIC mp_uint_t socket_write(mp_obj_t self_in, const void *buf, mp_uint_t size, int *errcode) {
mod_network_socket_obj_t *self = self_in;
mp_int_t ret = wlan_socket_send(self, buf, size, errcode);
if (ret < 0) {
ret = MP_STREAM_ERROR;
// needed to convert simplelink's negative error codes to POSIX
(*errcode) *= -1;
}
return ret;
}
STATIC mp_uint_t socket_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
mod_network_socket_obj_t *self = self_in;
return wlan_socket_ioctl(self, request, arg, errcode);
}
const mp_stream_p_t socket_stream_p = {
.read = socket_read,
.write = socket_write,
.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,
.stream_p = &socket_stream_p,
.locals_dict = (mp_obj_t)&socket_locals_dict,
};
/******************************************************************************/
// usocket module
// function usocket.getaddrinfo(host, port)
/// \function getaddrinfo(host, port)
STATIC mp_obj_t mod_usocket_getaddrinfo(mp_obj_t host_in, mp_obj_t port_in) {
mp_uint_t hlen;
const char *host = mp_obj_str_get_data(host_in, &hlen);
mp_int_t port = mp_obj_get_int(port_in);
// ipv4 only
uint8_t out_ip[MOD_NETWORK_IPV4ADDR_BUF_SIZE];
int32_t result = wlan_gethostbyname(host, hlen, out_ip, AF_INET);
if (result < 0) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(-result)));
}
mp_obj_tuple_t *tuple = mp_obj_new_tuple(5, NULL);
tuple->items[0] = MP_OBJ_NEW_SMALL_INT(AF_INET);
tuple->items[1] = MP_OBJ_NEW_SMALL_INT(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_LITTLE);
return mp_obj_new_list(1, (mp_obj_t*)&tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_usocket_getaddrinfo_obj, mod_usocket_getaddrinfo);
STATIC const mp_map_elem_t mp_module_usocket_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_usocket) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_socket), (mp_obj_t)&socket_type },
{ MP_OBJ_NEW_QSTR(MP_QSTR_getaddrinfo), (mp_obj_t)&mod_usocket_getaddrinfo_obj },
// class exceptions
{ MP_OBJ_NEW_QSTR(MP_QSTR_error), (mp_obj_t)&mp_type_OSError },
{ MP_OBJ_NEW_QSTR(MP_QSTR_timeout), (mp_obj_t)&mp_type_TimeoutError },
// class constants
{ MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET), MP_OBJ_NEW_SMALL_INT(AF_INET) },
{ 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_IPPROTO_SEC), MP_OBJ_NEW_SMALL_INT(SL_SEC_SOCKET) },
{ 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) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_usocket_globals, mp_module_usocket_globals_table);
const mp_obj_module_t mp_module_usocket = {
.base = { &mp_type_module },
.name = MP_QSTR_usocket,
.globals = (mp_obj_dict_t*)&mp_module_usocket_globals,
};
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