|
| 1 | +/* |
| 2 | + * This file is part of the Micro Python project, http://micropython.org/ |
| 3 | + * |
| 4 | + * The MIT License (MIT) |
| 5 | + * |
| 6 | + * Copyright (c) 2016 Nick Moore |
| 7 | + * |
| 8 | + * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | + * of this software and associated documentation files (the "Software"), to deal |
| 10 | + * in the Software without restriction, including without limitation the rights |
| 11 | + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | + * copies of the Software, and to permit persons to whom the Software is |
| 13 | + * furnished to do so, subject to the following conditions: |
| 14 | + * |
| 15 | + * The above copyright notice and this permission notice shall be included in |
| 16 | + * all copies or substantial portions of the Software. |
| 17 | + * |
| 18 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 21 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 23 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 24 | + * THE SOFTWARE. |
| 25 | + */ |
| 26 | + |
| 27 | +#include <stdio.h> |
| 28 | +#include <stdint.h> |
| 29 | +#include <stdlib.h> |
| 30 | +#include <string.h> |
| 31 | + |
| 32 | +#include "py/nlr.h" |
| 33 | +#include "py/objlist.h" |
| 34 | +#include "py/runtime.h" |
| 35 | +#include "py/mphal.h" |
| 36 | + |
| 37 | +#include "lwip/sockets.h" |
| 38 | +#include "lwip/netdb.h" |
| 39 | +#include "esp_log.h" |
| 40 | + |
| 41 | +typedef struct _socket_t { |
| 42 | + mp_obj_base_t base; |
| 43 | + int fd; |
| 44 | +} socket_t; |
| 45 | + |
| 46 | + |
| 47 | +STATIC mp_obj_t socket_close(const mp_obj_t arg0) { |
| 48 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 49 | + lwip_close(self->fd); |
| 50 | + return mp_const_none; |
| 51 | +} |
| 52 | +STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_close_obj, socket_close); |
| 53 | + |
| 54 | +int _socket_getaddrinfo2(const mp_obj_t host, const mp_obj_t port, struct addrinfo **resp) { |
| 55 | + mp_uint_t hostlen, portlen; |
| 56 | + const char *shost = mp_obj_str_get_data(host, &hostlen); |
| 57 | + const char *sport = mp_obj_str_get_data(port, &portlen); |
| 58 | + const struct addrinfo hints = { |
| 59 | + .ai_family = AF_INET, |
| 60 | + .ai_socktype = SOCK_STREAM, |
| 61 | + }; |
| 62 | + lwip_getaddrinfo(shost, sport, &hints, resp); |
| 63 | + return 0; |
| 64 | +} |
| 65 | + |
| 66 | +int _socket_getaddrinfo(const mp_obj_t addrtuple, struct addrinfo **resp) { |
| 67 | + mp_uint_t len = 0; |
| 68 | + mp_obj_t *elem; |
| 69 | + mp_obj_get_array(addrtuple, &len, &elem); |
| 70 | + if (len == 2) return _socket_getaddrinfo2(elem[0], elem[1], resp); |
| 71 | + else return -1; |
| 72 | +} |
| 73 | + |
| 74 | +STATIC mp_obj_t socket_bind(const mp_obj_t arg0, const mp_obj_t arg1) { |
| 75 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 76 | + struct addrinfo *res; |
| 77 | + _socket_getaddrinfo(arg1, &res); |
| 78 | + lwip_bind(self->fd, res->ai_addr, res->ai_addrlen); |
| 79 | + return mp_const_none; |
| 80 | +} |
| 81 | +STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_bind_obj, socket_bind); |
| 82 | + |
| 83 | +STATIC mp_obj_t socket_listen(const mp_obj_t arg0, const mp_obj_t arg1) { |
| 84 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 85 | + int backlog = mp_obj_get_int(arg1); |
| 86 | + int x = lwip_listen(self->fd, backlog); |
| 87 | + return (x == 0) ? mp_const_true : mp_const_false; |
| 88 | +} |
| 89 | +STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_listen_obj, socket_listen); |
| 90 | + |
| 91 | +STATIC mp_obj_t socket_accept(const mp_obj_t arg0) { |
| 92 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 93 | + int x = lwip_accept(self->fd, NULL, NULL); |
| 94 | + if (x >= 0) { |
| 95 | + socket_t *sock = (socket_t *)calloc(1, sizeof(socket_t)); |
| 96 | + sock->base.type = self->base.type; |
| 97 | + sock->fd = x; |
| 98 | + return MP_OBJ_FROM_PTR(sock); |
| 99 | + } |
| 100 | + return mp_const_none; |
| 101 | +} |
| 102 | +STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_accept_obj, socket_accept); |
| 103 | + |
| 104 | +STATIC mp_obj_t socket_connect(const mp_obj_t arg0, const mp_obj_t arg1) { |
| 105 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 106 | + struct addrinfo *res; |
| 107 | + _socket_getaddrinfo(arg1, &res); |
| 108 | + int r = lwip_connect(self->fd, res->ai_addr, res->ai_addrlen); |
| 109 | + lwip_freeaddrinfo(res); |
| 110 | + return mp_obj_new_int(r); |
| 111 | +} |
| 112 | +STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_connect_obj, socket_connect); |
| 113 | + |
| 114 | +STATIC mp_obj_t socket_settimeout(const mp_obj_t arg0, const mp_obj_t arg1) { |
| 115 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 116 | + int timeout = mp_obj_get_int(arg1); |
| 117 | + //lwip_settimeout(self->fd, timeout); |
| 118 | + return mp_const_none; |
| 119 | +} |
| 120 | +STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_settimeout_obj, socket_settimeout); |
| 121 | + |
| 122 | +STATIC mp_obj_t socket_read(const mp_obj_t arg0) { |
| 123 | + byte buf[1024]; |
| 124 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 125 | + int x = lwip_recvfrom(self->fd, buf, sizeof(buf), MSG_DONTWAIT, NULL, NULL); |
| 126 | + if (x >= 0) return mp_obj_new_bytes(buf, x); |
| 127 | + return mp_const_none; |
| 128 | +} |
| 129 | +STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_read_obj, socket_read); |
| 130 | + |
| 131 | +STATIC mp_obj_t socket_write(const mp_obj_t arg0, const mp_obj_t arg1) { |
| 132 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 133 | + mp_uint_t datalen; |
| 134 | + const char *data = mp_obj_str_get_data(arg1, &datalen); |
| 135 | + int x = lwip_write(self->fd, data, datalen); |
| 136 | + return mp_obj_new_int(x); |
| 137 | +} |
| 138 | +STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_write_obj, socket_write); |
| 139 | + |
| 140 | +STATIC mp_obj_t socket_fileno(const mp_obj_t arg0) { |
| 141 | + socket_t *self = MP_OBJ_TO_PTR(arg0); |
| 142 | + return mp_obj_new_int(self->fd); |
| 143 | +} |
| 144 | +STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_fileno_obj, socket_fileno); |
| 145 | + |
| 146 | +STATIC const mp_map_elem_t socket_locals_dict_table[] = { |
| 147 | + { MP_OBJ_NEW_QSTR(MP_QSTR_close), (mp_obj_t)&socket_close_obj }, |
| 148 | + { MP_OBJ_NEW_QSTR(MP_QSTR_bind), (mp_obj_t)&socket_bind_obj }, |
| 149 | + { MP_OBJ_NEW_QSTR(MP_QSTR_listen), (mp_obj_t)&socket_listen_obj }, |
| 150 | + { MP_OBJ_NEW_QSTR(MP_QSTR_accept), (mp_obj_t)&socket_accept_obj }, |
| 151 | + { MP_OBJ_NEW_QSTR(MP_QSTR_connect), (mp_obj_t)&socket_connect_obj }, |
| 152 | + { MP_OBJ_NEW_QSTR(MP_QSTR_send), mp_const_none }, |
| 153 | + { MP_OBJ_NEW_QSTR(MP_QSTR_sendall), mp_const_none }, |
| 154 | + { MP_OBJ_NEW_QSTR(MP_QSTR_recv), mp_const_none }, |
| 155 | + { MP_OBJ_NEW_QSTR(MP_QSTR_sendto), mp_const_none }, |
| 156 | + { MP_OBJ_NEW_QSTR(MP_QSTR_recvfrom), mp_const_none }, |
| 157 | + { MP_OBJ_NEW_QSTR(MP_QSTR_setsockopt), mp_const_none }, |
| 158 | + { MP_OBJ_NEW_QSTR(MP_QSTR_settimeout), mp_const_none }, |
| 159 | + { MP_OBJ_NEW_QSTR(MP_QSTR_makefile), mp_const_none }, |
| 160 | + { MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&socket_read_obj }, |
| 161 | + { MP_OBJ_NEW_QSTR(MP_QSTR_readinto), mp_const_none }, |
| 162 | + { MP_OBJ_NEW_QSTR(MP_QSTR_readline), mp_const_none }, |
| 163 | + { MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&socket_write_obj }, |
| 164 | + { MP_OBJ_NEW_QSTR(MP_QSTR_fileno), (mp_obj_t)&socket_fileno_obj }, |
| 165 | + // XXX also need to catch destructor so we can free! |
| 166 | +}; |
| 167 | +STATIC MP_DEFINE_CONST_DICT(socket_locals_dict, socket_locals_dict_table); |
| 168 | + |
| 169 | +const mp_obj_type_t socket_type = { |
| 170 | + { &mp_type_type }, |
| 171 | + .name = MP_QSTR_socket, |
| 172 | + .locals_dict = (mp_obj_t)&socket_locals_dict, |
| 173 | +}; |
| 174 | + |
| 175 | +STATIC mp_obj_t get_socket(mp_uint_t n_args, const mp_obj_t *args) { |
| 176 | + socket_t *sock = (socket_t *)calloc(1, sizeof(socket_t)); |
| 177 | + sock->base.type = &socket_type; |
| 178 | + sock->fd = lwip_socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 179 | + return MP_OBJ_FROM_PTR(sock); |
| 180 | +} |
| 181 | +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(get_socket_obj, 0, 3, get_socket); |
| 182 | + |
| 183 | +STATIC mp_obj_t esp_socket_getaddrinfo(const mp_obj_t host, const mp_obj_t port) { |
| 184 | + struct addrinfo *res; |
| 185 | + _socket_getaddrinfo2(host, port, &res); |
| 186 | + return mp_obj_new_bytes((const byte *)res->ai_addr, res->ai_addrlen); |
| 187 | +} |
| 188 | +STATIC MP_DEFINE_CONST_FUN_OBJ_2(esp_socket_getaddrinfo_obj, esp_socket_getaddrinfo); |
| 189 | + |
| 190 | +STATIC const mp_map_elem_t mp_module_socket_globals_table[] = { |
| 191 | + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_socket) }, |
| 192 | + { MP_OBJ_NEW_QSTR(MP_QSTR_socket), (mp_obj_t)&get_socket_obj }, |
| 193 | + { MP_OBJ_NEW_QSTR(MP_QSTR_getaddrinfo), (mp_obj_t)&esp_socket_getaddrinfo_obj }, |
| 194 | +}; |
| 195 | + |
| 196 | +STATIC MP_DEFINE_CONST_DICT(mp_module_socket_globals, mp_module_socket_globals_table); |
| 197 | + |
| 198 | +const mp_obj_module_t mp_module_socket = { |
| 199 | + .base = { &mp_type_module }, |
| 200 | + .globals = (mp_obj_dict_t*)&mp_module_socket_globals, |
| 201 | +}; |
0 commit comments