text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2020 Scott Shawcroft 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/mperrno.h"
  
  #include "shared-bindings/ipaddress/__init__.h"
  #include "shared-bindings/socketpool/Socket.h"
  #include "shared-bindings/socketpool/SocketPool.h"
  
  //| class SocketPool:
  //|     """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."""
  //|
  
  STATIC mp_obj_t socketpool_socketpool_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
      mp_arg_check_num(n_args, n_kw, 1, 1, false);
  
      socketpool_socketpool_obj_t *s = m_new_obj_with_finaliser(socketpool_socketpool_obj_t);
      s->base.type = &socketpool_socketpool_type;
      mp_obj_t radio = args[0];
  
      common_hal_socketpool_socketpool_construct(s, radio);
  
      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:
  //|         """Create a new socket
  //|
  //|         :param ~int family: AF_INET or AF_INET6
  //|         :param ~int type: SOCK_STREAM, SOCK_DGRAM or SOCK_RAW
  //|
  //|         The ``proto`` (protocol) and ``fileno`` arguments available in ``socket.socket()``
  //|         in CPython are not supported.
  //|         """
  //|         ...
  //|
  STATIC mp_obj_t socketpool_socketpool_socket(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
      enum { ARG_family, ARG_type };
      static const mp_arg_t allowed_args[] = {
          { MP_QSTR_family, MP_ARG_INT, {.u_int = SOCKETPOOL_AF_INET} },
          { MP_QSTR_type, MP_ARG_INT, {.u_int = SOCKETPOOL_SOCK_STREAM} },
      };
      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);
  
      socketpool_socketpool_addressfamily_t family = args[ARG_family].u_int;
      socketpool_socketpool_sock_t type = args[ARG_type].u_int;
  
      return common_hal_socketpool_socket(self, family, type);
  }
  MP_DEFINE_CONST_FUN_OBJ_KW(socketpool_socketpool_socket_obj, 1, socketpool_socketpool_socket);
  
  //|     def getaddrinfo(self, host: str, port: int, family: int = 0, type: int = 0, proto: int = 0, flags: int = 0) -> Tuple[int, int, int, str, Tuple[str, int]]:
  //|         """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 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(-2);  // socket.EAI_NONAME from CPython
      }
  
      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);
      return mp_obj_new_list(1, (mp_obj_t *)&tuple);
  }
  STATIC MP_DEFINE_CONST_FUN_OBJ_KW(socketpool_socketpool_getaddrinfo_obj, 1, socketpool_socketpool_getaddrinfo);
  
  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,
      .locals_dict = (mp_obj_dict_t *)&socketpool_socketpool_locals_dict,
  };
  