www.pudn.com > mutiADdisplay.rar > API_MSG.H, change:2006-03-27,size:2801b


/* 
 * 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 <adam@sics.se> 
 * 
 * $Id: api_msg.h,v 1.1 2001/12/12 10:01:00 adam Exp $ 
 */ 
#ifndef __LWIP_API_MSG_H__ 
#define __LWIP_API_MSG_H__ 
 
#include "lwip/opt.h" 
#include "lwip/pbuf.h" 
#include "lwip/sys.h" 
 
#include "ipv4/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  { 
      union 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__ */