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/*

* This file is part of the MicroPython project, http://micropython.org/

*

* The MIT License (MIT)

*

* Copyright (c) 2013, 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.

*/

#ifndef MICROPY_INCLUDED_MODNETWORK_H

#define MICROPY_INCLUDED_MODNETWORK_H

#define MOD_NETWORK_IPADDR_BUF_SIZE (4)

#define MOD_NETWORK_AF_INET (2)

#define MOD_NETWORK_AF_INET6 (10)

#define MOD_NETWORK_SOCK_STREAM (1)

#define MOD_NETWORK_SOCK_DGRAM (2)

#define MOD_NETWORK_SOCK_RAW (3)

#define MOD_NETWORK_STA_IF (0)

#define MOD_NETWORK_AP_IF (1)

// Socket level option.

#define MOD_NETWORK_SOL_SOCKET (0x0FFF)

// Common option flags per-socket.

#define MOD_NETWORK_SO_REUSEADDR (0x0004)

#define MOD_NETWORK_SO_KEEPALIVE (0x0008)

#define MOD_NETWORK_SO_SNDTIMEO (0x1005)

#define MOD_NETWORK_SO_RCVTIMEO (0x1006)

#define MOD_NETWORK_SS_NEW (0)

#define MOD_NETWORK_SS_LISTENING (1)

#define MOD_NETWORK_SS_CONNECTED (2)

#define MOD_NETWORK_SS_CLOSED (3)

#if MICROPY_PY_LWIP

struct netif;

void mod_network_lwip_init(void);

void mod_network_lwip_poll_wrapper(uint32_t ticks_ms);

mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args);

#else

struct _mod_network_socket_obj_t;

typedef struct _mod_network_nic_type_t {

mp_obj_type_t base;

// API for non-socket operations

int (*gethostbyname)(mp_obj_t nic, const char *name, mp_uint_t len, uint8_t *ip_out);

// API for socket operations; return -1 on error

int (*socket)(struct _mod_network_socket_obj_t *socket, int *_errno);

void (*close)(struct _mod_network_socket_obj_t *socket);

int (*bind)(struct _mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno);

int (*listen)(struct _mod_network_socket_obj_t *socket, mp_int_t backlog, int *_errno);

int (*accept)(struct _mod_network_socket_obj_t *socket, struct _mod_network_socket_obj_t *socket2, byte *ip, mp_uint_t *port, int *_errno);

int (*connect)(struct _mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno);

mp_uint_t (*send)(struct _mod_network_socket_obj_t *socket, const byte *buf, mp_uint_t len, int *_errno);

mp_uint_t (*recv)(struct _mod_network_socket_obj_t *socket, byte *buf, mp_uint_t len, int *_errno);

mp_uint_t (*sendto)(struct _mod_network_socket_obj_t *socket, const byte *buf, mp_uint_t len, byte *ip, mp_uint_t port, int *_errno);

mp_uint_t (*recvfrom)(struct _mod_network_socket_obj_t *socket, byte *buf, mp_uint_t len, byte *ip, mp_uint_t *port, int *_errno);

int (*setsockopt)(struct _mod_network_socket_obj_t *socket, mp_uint_t level, mp_uint_t opt, const void *optval, mp_uint_t optlen, int *_errno);

int (*settimeout)(struct _mod_network_socket_obj_t *socket, mp_uint_t timeout_ms, int *_errno);

int (*ioctl)(struct _mod_network_socket_obj_t *socket, mp_uint_t request, mp_uint_t arg, int *_errno);

} mod_network_nic_type_t;

typedef struct _mod_network_socket_obj_t {

mp_obj_base_t base;

mp_obj_t nic;

mod_network_nic_type_t *nic_type;

uint32_t domain : 5;

uint32_t type : 5;

uint32_t proto : 5;

uint32_t bound : 1;

int32_t fileno : 16;

int32_t timeout;

mp_obj_t callback;

int32_t state : 8;

#if MICROPY_PY_USOCKET_EXTENDED_STATE

// Extended socket state for NICs/ports that need it.

void *_private;

#endif

} mod_network_socket_obj_t;

#endif // MICROPY_PY_LWIP

void mod_network_init(void);

void mod_network_deinit(void);

void mod_network_register_nic(mp_obj_t nic);

mp_obj_t mod_network_find_nic(const uint8_t *ip);

#endif // MICROPY_INCLUDED_MODNETWORK_H