137 lines
4.5 KiB
C
137 lines
4.5 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <errno.h>
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#include "stm32f4xx_hal.h"
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#include "mpconfig.h"
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#include "nlr.h"
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#include "misc.h"
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#include "qstr.h"
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#include "obj.h"
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#include "objlist.h"
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#include "runtime.h"
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#include "modnetwork.h"
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/// \module network - network configuration
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///
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/// This module provides network drivers and routing configuration.
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mp_obj_list_t mod_network_nic_list;
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void mod_network_init(void) {
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mp_obj_list_init(&mod_network_nic_list, 0);
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}
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void mod_network_register_nic(mp_obj_t nic) {
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for (mp_uint_t i = 0; i < mod_network_nic_list.len; i++) {
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if (mod_network_nic_list.items[i] == nic) {
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// nic already registered
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return;
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}
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}
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// nic not registered so add to list
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mp_obj_list_append(&mod_network_nic_list, nic);
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}
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STATIC mp_obj_t network_route(void) {
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return &mod_network_nic_list;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(network_route_obj, network_route);
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STATIC const mp_map_elem_t mp_module_network_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_network) },
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#if MICROPY_PY_WIZNET5K
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{ MP_OBJ_NEW_QSTR(MP_QSTR_WIZnet5k), (mp_obj_t)&mod_network_nic_type_wiznet5k },
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#endif
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#if MICROPY_PY_CC3K
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{ MP_OBJ_NEW_QSTR(MP_QSTR_CC3k), (mp_obj_t)&mod_network_nic_type_cc3k },
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#endif
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{ MP_OBJ_NEW_QSTR(MP_QSTR_route), (mp_obj_t)&network_route_obj },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_network_globals, mp_module_network_globals_table);
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const mp_obj_module_t mp_module_network = {
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.base = { &mp_type_module },
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.name = MP_QSTR_network,
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.globals = (mp_obj_dict_t*)&mp_module_network_globals,
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};
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/******************************************************************************/
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// Miscellaneous helpers
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void mod_network_parse_ipv4_addr(mp_obj_t addr_in, uint8_t *out_ip) {
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const char *addr_str = mp_obj_str_get_str(addr_in);
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const char *s = addr_str;
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for (mp_uint_t i = 0;; i++) {
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mp_uint_t val = 0;
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for (; *s && *s != '.'; s++) {
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val = val * 10 + *s - '0';
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}
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out_ip[i] = val;
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if (i == 3 && *s == '\0') {
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return;
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} else if (i < 3 && *s == '.') {
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s++;
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} else {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "invalid IP address"));
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}
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}
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}
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// Takes an address of the form ('192.168.0.1', 8080), returns the port and
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// puts IP in out_ip (which must take at least IPADDR_BUF_SIZE bytes).
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mp_uint_t mod_network_parse_inet_addr(mp_obj_t addr_in, uint8_t *out_ip) {
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mp_obj_t *addr_items;
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mp_obj_get_array_fixed_n(addr_in, 2, &addr_items);
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mod_network_parse_ipv4_addr(addr_items[0], out_ip);
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return mp_obj_get_int(addr_items[1]);
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}
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// Takes an array with a raw IPv4 address and returns something like '192.168.0.1'.
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mp_obj_t mod_network_format_ipv4_addr(uint8_t *ip) {
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char ip_str[16];
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mp_uint_t ip_len = snprintf(ip_str, 16, "%u.%u.%u.%u", ip[0], ip[1], ip[2], ip[3]);
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return mp_obj_new_str(ip_str, ip_len, false);
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}
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// Takes an array with a raw IP address, and a port, and returns a net-address
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// tuple such as ('192.168.0.1', 8080).
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mp_obj_t mod_network_format_inet_addr(uint8_t *ip, mp_uint_t port) {
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mp_obj_t tuple[2] = {
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tuple[0] = mod_network_format_ipv4_addr(ip),
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tuple[1] = mp_obj_new_int(port),
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};
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return mp_obj_new_tuple(2, tuple);
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}
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