circuitpython/shared-bindings/socketpool/SocketPool.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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*
* 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/mperrno.h"
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#include "shared-bindings/ipaddress/__init__.h"
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#include "shared-bindings/socketpool/Socket.h"
#include "shared-bindings/socketpool/SocketPool.h"
//| class SocketPool:
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//| """A pool of socket resources available for the given radio. Only one
//| SocketPool can be created for each radio.
//|
//| SocketPool should be used in place of CPython's socket which provides
//| a pool of sockets provided by the underlying OS."""
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//|
STATIC mp_obj_t socketpool_socketpool_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
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mp_arg_check_num(n_args, kw_args, 1, 1, false);
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socketpool_socketpool_obj_t *s = m_new_obj_with_finaliser(socketpool_socketpool_obj_t);
s->base.type = &socketpool_socketpool_type;
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mp_obj_t radio = args[0];
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common_hal_socketpool_socketpool_construct(s, radio);
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return MP_OBJ_FROM_PTR(s);
}
//| AF_INET: int
//| AF_INET6: int
//| SOCK_STREAM: int
//| SOCK_DGRAM: int
//| SOCK_RAW: int
//|
//| def socket(self, family: int = AF_INET, type: int = SOCK_STREAM) -> socketpool.Socket:
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//| """Create a new socket
//|
//| :param ~int family: AF_INET or AF_INET6
//| :param ~int type: SOCK_STREAM, SOCK_DGRAM or SOCK_RAW"""
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//| ...
//|
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STATIC mp_obj_t socketpool_socketpool_socket(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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mp_arg_check_num(n_args, kw_args, 0, 5, false);
socketpool_socketpool_obj_t *self = pos_args[0];
socketpool_socketpool_addressfamily_t family = SOCKETPOOL_AF_INET;
socketpool_socketpool_sock_t type = SOCKETPOOL_SOCK_STREAM;
if (n_args >= 2) {
family = mp_obj_get_int(pos_args[1]);
if (n_args >= 3) {
type = mp_obj_get_int(pos_args[2]);
}
}
return common_hal_socketpool_socket(self, family, type);
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}
MP_DEFINE_CONST_FUN_OBJ_KW(socketpool_socketpool_socket_obj, 1, socketpool_socketpool_socket);
//| def getaddrinfo(host: str, port: int, family: int = 0, type: int = 0, proto: int = 0, flags: int = 0) -> Tuple[int, int, int, str, Tuple[str, int]]:
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//| """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."""
//| ...
//|
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STATIC mp_obj_t socketpool_socketpool_getaddrinfo(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_host, ARG_port, ARG_family, ARG_type, ARG_proto, ARG_flags };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_host, MP_ARG_OBJ | MP_ARG_REQUIRED },
{ MP_QSTR_port, MP_ARG_INT | MP_ARG_REQUIRED },
{ MP_QSTR_family, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_type, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_port, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_flags, MP_ARG_INT, {.u_int = 0} },
};
socketpool_socketpool_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
const char *host = mp_obj_str_get_str(args[ARG_host].u_obj);
mp_int_t port = args[ARG_port].u_int;
mp_obj_t ip_str = mp_const_none;
if (strlen(host) > 0 && ipaddress_parse_ipv4address(host, strlen(host), NULL)) {
ip_str = args[ARG_host].u_obj;
}
if (ip_str == mp_const_none) {
ip_str = common_hal_socketpool_socketpool_gethostbyname(self, host);
}
if (ip_str == mp_const_none) {
mp_raise_OSError(0);
}
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(5, NULL));
tuple->items[0] = MP_OBJ_NEW_SMALL_INT(SOCKETPOOL_AF_INET);
tuple->items[1] = MP_OBJ_NEW_SMALL_INT(SOCKETPOOL_SOCK_STREAM);
tuple->items[2] = MP_OBJ_NEW_SMALL_INT(0);
tuple->items[3] = MP_OBJ_NEW_QSTR(MP_QSTR_);
mp_obj_tuple_t *sockaddr = MP_OBJ_TO_PTR(mp_obj_new_tuple(2, NULL));
sockaddr->items[0] = ip_str;
sockaddr->items[1] = MP_OBJ_NEW_SMALL_INT(port);
tuple->items[4] = MP_OBJ_FROM_PTR(sockaddr);
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return mp_obj_new_list(1, (mp_obj_t *)&tuple);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(socketpool_socketpool_getaddrinfo_obj, 3, socketpool_socketpool_getaddrinfo);
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STATIC const mp_rom_map_elem_t socketpool_socketpool_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_socket), MP_ROM_PTR(&socketpool_socketpool_socket_obj) },
{ MP_ROM_QSTR(MP_QSTR_getaddrinfo), MP_ROM_PTR(&socketpool_socketpool_getaddrinfo_obj) },
// class constants
{ MP_ROM_QSTR(MP_QSTR_AF_INET), MP_ROM_INT(SOCKETPOOL_AF_INET) },
{ MP_ROM_QSTR(MP_QSTR_AF_INET6), MP_ROM_INT(SOCKETPOOL_AF_INET6) },
{ MP_ROM_QSTR(MP_QSTR_SOCK_STREAM), MP_ROM_INT(SOCKETPOOL_SOCK_STREAM) },
{ MP_ROM_QSTR(MP_QSTR_SOCK_DGRAM), MP_ROM_INT(SOCKETPOOL_SOCK_DGRAM) },
{ MP_ROM_QSTR(MP_QSTR_SOCK_RAW), MP_ROM_INT(SOCKETPOOL_SOCK_RAW) },
};
STATIC MP_DEFINE_CONST_DICT(socketpool_socketpool_locals_dict, socketpool_socketpool_locals_dict_table);
const mp_obj_type_t socketpool_socketpool_type = {
{ &mp_type_type },
.name = MP_QSTR_SocketPool,
.make_new = socketpool_socketpool_make_new,
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.locals_dict = (mp_obj_dict_t *)&socketpool_socketpool_locals_dict,
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};