| /* |
| * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| #ifndef __LWIP_API_H__ |
| #define __LWIP_API_H__ |
| |
| #include "lwip/opt.h" |
| #include "lwip/pbuf.h" |
| #include "lwip/sys.h" |
| |
| #include "lwip/ip.h" |
| |
| #include "lwip/raw.h" |
| #include "lwip/udp.h" |
| #include "lwip/tcp.h" |
| |
| #include "lwip/err.h" |
| |
| #define NETCONN_NOCOPY 0x00 |
| #define NETCONN_COPY 0x01 |
| |
| enum netconn_type { |
| NETCONN_TCP, |
| NETCONN_UDP, |
| NETCONN_UDPLITE, |
| NETCONN_UDPNOCHKSUM, |
| NETCONN_RAW |
| }; |
| |
| enum netconn_state { |
| NETCONN_NONE, |
| NETCONN_WRITE, |
| NETCONN_ACCEPT, |
| NETCONN_RECV, |
| NETCONN_CONNECT, |
| NETCONN_CLOSE |
| }; |
| |
| enum netconn_evt { |
| NETCONN_EVT_RCVPLUS, |
| NETCONN_EVT_RCVMINUS, |
| NETCONN_EVT_SENDPLUS, |
| NETCONN_EVT_SENDMINUS |
| }; |
| |
| struct netbuf { |
| struct pbuf *p, *ptr; |
| struct ip_addr *fromaddr; |
| u16_t fromport; |
| err_t err; |
| }; |
| |
| struct netconn { |
| enum netconn_type type; |
| enum netconn_state state; |
| union { |
| struct tcp_pcb *tcp; |
| struct udp_pcb *udp; |
| struct raw_pcb *raw; |
| } pcb; |
| err_t err; |
| sys_mbox_t mbox; |
| sys_mbox_t recvmbox; |
| sys_mbox_t acceptmbox; |
| sys_sem_t sem; |
| int socket; |
| u16_t recv_avail; |
| void (* callback)(struct netconn *, enum netconn_evt, u16_t len); |
| }; |
| |
| /* Network buffer functions: */ |
| struct netbuf * netbuf_new (void); |
| void netbuf_delete (struct netbuf *buf); |
| void * netbuf_alloc (struct netbuf *buf, u16_t size); |
| void netbuf_free (struct netbuf *buf); |
| void netbuf_ref (struct netbuf *buf, |
| void *dataptr, u16_t size); |
| void netbuf_chain (struct netbuf *head, |
| struct netbuf *tail); |
| |
| u16_t netbuf_len (struct netbuf *buf); |
| err_t netbuf_data (struct netbuf *buf, |
| void **dataptr, u16_t *len); |
| s8_t netbuf_next (struct netbuf *buf); |
| void netbuf_first (struct netbuf *buf); |
| |
| void netbuf_copy (struct netbuf *buf, |
| void *dataptr, u16_t len); |
| void netbuf_copy_partial(struct netbuf *buf, void *dataptr, |
| u16_t len, u16_t offset); |
| struct ip_addr * netbuf_fromaddr (struct netbuf *buf); |
| u16_t netbuf_fromport (struct netbuf *buf); |
| |
| /* Network connection functions: */ |
| struct netconn * netconn_new (enum netconn_type type); |
| struct |
| netconn *netconn_new_with_callback(enum netconn_type t, |
| void (*callback)(struct netconn *, enum netconn_evt, u16_t len)); |
| struct |
| netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u16_t proto, |
| void (*callback)(struct netconn *, enum netconn_evt, u16_t len)); |
| err_t netconn_delete (struct netconn *conn); |
| enum netconn_type netconn_type (struct netconn *conn); |
| err_t netconn_peer (struct netconn *conn, |
| struct ip_addr *addr, |
| u16_t *port); |
| err_t netconn_addr (struct netconn *conn, |
| struct ip_addr **addr, |
| u16_t *port); |
| err_t netconn_bind (struct netconn *conn, |
| struct ip_addr *addr, |
| u16_t port); |
| err_t netconn_connect (struct netconn *conn, |
| struct ip_addr *addr, |
| u16_t port); |
| err_t netconn_disconnect (struct netconn *conn); |
| err_t netconn_listen (struct netconn *conn); |
| struct netconn * netconn_accept (struct netconn *conn); |
| struct netbuf * netconn_recv (struct netconn *conn); |
| err_t netconn_send (struct netconn *conn, |
| struct netbuf *buf); |
| err_t netconn_write (struct netconn *conn, |
| void *dataptr, u16_t size, |
| u8_t copy); |
| err_t netconn_close (struct netconn *conn); |
| |
| err_t netconn_err (struct netconn *conn); |
| |
| #endif /* __LWIP_API_H__ */ |
| |
| |