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/*
* This file is part of the MicroPython 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 "py/objlist.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "shared/netutils/netutils.h"
#include "modnetwork.h"
#if MICROPY_PY_NETWORK
#if MICROPY_PY_LWIP
#include "lwip/netif.h"
#include "lwip/timeouts.h"
#include "lwip/dns.h"
#include "lwip/dhcp.h"
#include "lwip/apps/mdns.h"
#endif
/// \module network - network configuration
///
/// This module provides network drivers and routing configuration.
void mod_network_init(void) {
mp_obj_list_init(&MP_STATE_PORT(mod_network_nic_list), 0);
}
void mod_network_deinit(void) {
}
void mod_network_register_nic(mp_obj_t nic) {
for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
if (MP_STATE_PORT(mod_network_nic_list).items[i] == nic) {
// nic already registered
return;
}
}
// nic not registered so add to list
mp_obj_list_append(MP_OBJ_FROM_PTR(&MP_STATE_PORT(mod_network_nic_list)), nic);
}
mp_obj_t mod_network_find_nic(const uint8_t *ip) {
// find a NIC that is suited to given IP address
for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
mp_obj_t nic = MP_STATE_PORT(mod_network_nic_list).items[i];
// TODO check IP suitability here
// mod_network_nic_type_t *nic_type = (mod_network_nic_type_t*)mp_obj_get_type(nic);
return nic;
}
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("no available NIC"));
}
STATIC mp_obj_t network_route(void) {
return MP_OBJ_FROM_PTR(&MP_STATE_PORT(mod_network_nic_list));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(network_route_obj, network_route);
STATIC const mp_rom_map_elem_t mp_module_network_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_network) },
{ MP_ROM_QSTR(MP_QSTR_route), MP_ROM_PTR(&network_route_obj) },
// Defined per port in mpconfigport.h
MICROPY_PORT_NETWORK_INTERFACES
// Constants
{ MP_ROM_QSTR(MP_QSTR_STA_IF), MP_ROM_INT(MOD_NETWORK_STA_IF) },
{ MP_ROM_QSTR(MP_QSTR_AP_IF), MP_ROM_INT(MOD_NETWORK_AP_IF) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_network_globals, mp_module_network_globals_table);
const mp_obj_module_t mp_module_network = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&mp_module_network_globals,
};
MP_REGISTER_MODULE(MP_QSTR_network, mp_module_network);
/*******************************************************************************/
// Implementations of network methods that can be used by any interface
#if MICROPY_PY_LWIP
mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
// Get IP addresses
const ip_addr_t *dns = dns_getserver(0);
mp_obj_t tuple[4] = {
netutils_format_ipv4_addr((uint8_t *)&netif->ip_addr, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t *)&netif->netmask, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t *)&netif->gw, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t *)dns, NETUTILS_BIG),
};
return mp_obj_new_tuple(4, tuple);
} else if (args[0] == MP_OBJ_NEW_QSTR(MP_QSTR_dhcp)) {
// Start the DHCP client
if (dhcp_supplied_address(netif)) {
dhcp_renew(netif);
} else {
dhcp_stop(netif);
dhcp_start(netif);
}
// Wait for DHCP to get IP address
uint32_t start = mp_hal_ticks_ms();
while (!dhcp_supplied_address(netif)) {
if (mp_hal_ticks_ms() - start > 10000) {
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("timeout waiting for DHCP to get IP address"));
}
mp_hal_delay_ms(100);
}
return mp_const_none;
} else {
// Release and stop any existing DHCP
dhcp_release(netif);
dhcp_stop(netif);
// Set static IP addresses
mp_obj_t *items;
mp_obj_get_array_fixed_n(args[0], 4, &items);
netutils_parse_ipv4_addr(items[0], (uint8_t *)&netif->ip_addr, NETUTILS_BIG);
netutils_parse_ipv4_addr(items[1], (uint8_t *)&netif->netmask, NETUTILS_BIG);
netutils_parse_ipv4_addr(items[2], (uint8_t *)&netif->gw, NETUTILS_BIG);
ip_addr_t dns;
netutils_parse_ipv4_addr(items[3], (uint8_t *)&dns, NETUTILS_BIG);
dns_setserver(0, &dns);
return mp_const_none;
}
}
#endif
#endif // MICROPY_PY_NETWORK
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