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Diffstat (limited to 'stmhal/modusocket.c')
| -rw-r--r-- | stmhal/modusocket.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/stmhal/modusocket.c b/stmhal/modusocket.c new file mode 100644 index 0000000000..6a544cb3e0 --- /dev/null +++ b/stmhal/modusocket.c @@ -0,0 +1,149 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2014 Damien P. George + * + * 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 <stdint.h> +#include <string.h> +#include <errno.h> + +#include "stm32f4xx_hal.h" + +#include "mpconfig.h" +#include "nlr.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "objtuple.h" +#include "objlist.h" +#include "runtime.h" +#include "modnetwork.h" + +/// \module usocket + +/// \method socket(family=AF_INET, type=SOCK_STREAM, fileno=-1) +/// Create a socket. +STATIC mp_obj_t mod_usocket_socket(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { + static const mp_arg_t allowed_args[] = { + { MP_QSTR_family, MP_ARG_INT, {.u_int = MOD_NETWORK_AF_INET} }, + { MP_QSTR_type, MP_ARG_INT, {.u_int = MOD_NETWORK_SOCK_STREAM} }, + { MP_QSTR_fileno, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} }, + }; + + // parse args + mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; + mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); + + // find a NIC that can create a socket and call it + for (mp_uint_t i = 0; i < mod_network_nic_list.len; i++) { + mp_obj_t nic = 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->socket != NULL) { + int _errno; + mp_obj_t obj = nic_type->socket(nic, args[0].u_int, args[1].u_int, args[2].u_int, &_errno); + if (obj == MP_OBJ_NULL) { + nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(_errno))); + } else { + return obj; + } + } + } + + nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "no available NIC")); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_KW(mod_usocket_socket_obj, 0, mod_usocket_socket); + +/// \method 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); + + // find a NIC that can do a name lookup + for (mp_uint_t i = 0; i < mod_network_nic_list.len; i++) { + mp_obj_t nic = 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) { + uint8_t out_ip[MOD_NETWORK_IPADDR_BUF_SIZE]; + int ret = nic_type->gethostbyname(nic, host, hlen, out_ip); + if (ret != 0) { + // TODO CPython raises: socket.gaierror: [Errno -2] Name or service not known + nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(ret))); + } + mp_obj_tuple_t *tuple = 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] = mod_network_format_inet_addr(out_ip, port); + return mp_obj_new_list(1, (mp_obj_t*)&tuple); + } + } + + nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "no available NIC")); +} +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)&mod_usocket_socket_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_getaddrinfo), (mp_obj_t)&mod_usocket_getaddrinfo_obj }, + + // class constants + { MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_AF_INET) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET6), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_AF_INET6) }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_STREAM), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_STREAM) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_DGRAM), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_DGRAM) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_RAW), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_RAW) }, + + /* + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_IP), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_IP) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_ICMP), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_ICMP) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_IPV4), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_IPV4) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_TCP), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_TCP) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_UDP), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_UDP) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_IPV6), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_IPV6) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_RAW), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_IPPROTO_RAW) }, + */ +}; + +STATIC const mp_obj_dict_t mp_module_usocket_globals = { + .base = {&mp_type_dict}, + .map = { + .all_keys_are_qstrs = 1, + .table_is_fixed_array = 1, + .used = MP_ARRAY_SIZE(mp_module_usocket_globals_table), + .alloc = MP_ARRAY_SIZE(mp_module_usocket_globals_table), + .table = (mp_map_elem_t*)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, +}; |