api.h
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- /*
- * 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__ */