api_msg.h

lwip在ucos上的移植源码

/*
 * Copyright (c) 2001, 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. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 <[e-mail]>
 *
 * $Id: api_msg.h,v 1.1.1.1 2003/05/17 05:06:56 chenyu Exp $
 */
#ifndef __LWIP_API_MSG_H__
#define __LWIP_API_MSG_H__

#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/sys.h"

#include "lwip/ip.h"

#include "lwip/udp.h"
#include "lwip/tcp.h"

#include "lwip/api.h"

enum api_msg_type {
  API_MSG_NEWCONN,
  API_MSG_DELCONN,
  
  API_MSG_BIND,
  API_MSG_CONNECT,

  API_MSG_LISTEN,
  API_MSG_ACCEPT,

  API_MSG_SEND,
  API_MSG_RECV,
  API_MSG_WRITE,

  API_MSG_CLOSE,
  
  API_MSG_MAX
};

struct api_msg_msg {
  struct netconn *conn;
  enum netconn_type conntype;
  union {
    struct pbuf *p;   
    struct  {
      struct ip_addr *ipaddr;
      u16_t port;
    } bc;
    struct {
      void *dataptr;
      u16_t len;
      unsigned char copy;
    } w;    
    sys_mbox_t mbox;
    u16_t len;
  } msg;
};

struct api_msg {
  enum api_msg_type type;
  struct api_msg_msg msg;
};

void api_msg_input(struct api_msg *msg);
void api_msg_post(struct api_msg *msg);

#endif /* __LWIP_API_MSG_H__ */