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/*

* 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 "py/nlr.h"

#include "py/objlist.h"

#include "py/runtime.h"

#include "modnetwork.h"

/// \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_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_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;

}

nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "no available NIC"));

}

STATIC mp_obj_t network_route(void) {

return &MP_STATE_PORT(mod_network_nic_list);

}

STATIC MP_DEFINE_CONST_FUN_OBJ_0(network_route_obj, network_route);

STATIC const mp_map_elem_t mp_module_network_globals_table[] = {

{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_network) },

#if MICROPY_PY_WIZNET5K

{ MP_OBJ_NEW_QSTR(MP_QSTR_WIZNET5K), (mp_obj_t)&mod_network_nic_type_wiznet5k },

#endif

#if MICROPY_PY_CC3K

{ MP_OBJ_NEW_QSTR(MP_QSTR_CC3K), (mp_obj_t)&mod_network_nic_type_cc3k },

#endif

{ MP_OBJ_NEW_QSTR(MP_QSTR_route), (mp_obj_t)&network_route_obj },

};

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 },

.name = MP_QSTR_network,

.globals = (mp_obj_dict_t*)&mp_module_network_globals,

};