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https://github.com/licsber/micropython.git
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29a1ec1bd6
This patch overhauls the network driver interface. A generic NIC must provide a set of C-level functions to implement low-level socket control (eg socket, bind, connect, send, recv). Doing this, the network and usocket modules can then use such a NIC to implement proper socket control at the Python level. This patch also updates the CC3K and WIZNET5K drivers to conform to the new interface, and fixes some bugs in the drivers. They now work reasonably well.
88 lines
4.1 KiB
C
88 lines
4.1 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) 2013, 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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#define MOD_NETWORK_IPADDR_BUF_SIZE (4)
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#define MOD_NETWORK_AF_INET (2)
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#define MOD_NETWORK_AF_INET6 (10)
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#define MOD_NETWORK_SOCK_STREAM (1)
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#define MOD_NETWORK_SOCK_DGRAM (2)
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#define MOD_NETWORK_SOCK_RAW (3)
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struct _mod_network_socket_obj_t;
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typedef struct _mod_network_nic_type_t {
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mp_obj_type_t base;
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// API for non-socket operations
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int (*gethostbyname)(mp_obj_t nic, const char *name, mp_uint_t len, uint8_t *ip_out);
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// API for socket operations; return -1 on error
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int (*socket)(struct _mod_network_socket_obj_t *socket, int *_errno);
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void (*close)(struct _mod_network_socket_obj_t *socket);
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int (*bind)(struct _mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno);
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int (*listen)(struct _mod_network_socket_obj_t *socket, mp_int_t backlog, int *_errno);
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int (*accept)(struct _mod_network_socket_obj_t *socket, struct _mod_network_socket_obj_t *socket2, byte *ip, mp_uint_t *port, int *_errno);
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int (*connect)(struct _mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno);
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mp_uint_t (*send)(struct _mod_network_socket_obj_t *socket, const byte *buf, mp_uint_t len, int *_errno);
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mp_uint_t (*recv)(struct _mod_network_socket_obj_t *socket, byte *buf, mp_uint_t len, int *_errno);
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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);
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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);
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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);
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int (*settimeout)(struct _mod_network_socket_obj_t *socket, mp_uint_t timeout_ms, int *_errno);
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int (*ioctl)(struct _mod_network_socket_obj_t *socket, mp_uint_t request, mp_uint_t arg, int *_errno);
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} mod_network_nic_type_t;
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typedef struct _mod_network_socket_obj_t {
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mp_obj_base_t base;
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mp_obj_t nic;
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mod_network_nic_type_t *nic_type;
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union {
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struct {
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uint8_t domain;
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uint8_t type;
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int8_t fileno;
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} u_param;
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mp_uint_t u_state;
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};
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} mod_network_socket_obj_t;
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extern struct _mp_obj_list_t mod_network_nic_list;
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extern const mod_network_nic_type_t mod_network_nic_type_wiznet5k;
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extern const mod_network_nic_type_t mod_network_nic_type_cc3k;
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void mod_network_init(void);
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void mod_network_register_nic(mp_obj_t nic);
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mp_obj_t mod_network_find_nic(const uint8_t *ip);
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void mod_network_convert_ipv4_endianness(uint8_t *ip);
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void mod_network_parse_ipv4_addr(mp_obj_t addr_in, uint8_t *out_ip);
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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 mod_network_format_ipv4_addr(uint8_t *ip);
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mp_obj_t mod_network_format_ipv4_addr(uint8_t *ip);
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mp_obj_t mod_network_format_inet_addr(uint8_t *ip, mp_uint_t port);
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