www.pudn.com > UIP09_ADSP-BF537_Blackfin_org.zip > telnet.h


/* 
 * Copyright (c) 2002, Adam Dunkels. 
 * 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 uIP TCP/IP stack. 
 * 
 * $Id: telnet.h,v 1.1.2.4 2003/10/06 22:56:45 adam Exp $ 
 * 
 */ 
#ifndef __TELNET_H__ 
#define __TELNET_H__ 
 
struct telnet_state { 
  unsigned char flags; 
  char *text; 
  u16_t textlen; 
  u16_t sentlen; 
}; 
 
void telnet_app(void); 
 
#ifndef UIP_APPCALL 
#define UIP_APPCALL     telnet_app 
#endif 
 
#ifndef UIP_APPSTATE_SIZE 
#define UIP_APPSTATE_SIZE (sizeof(struct telnet_state)) 
#endif 
 
 
unsigned char telnet_send(struct telnet_state *s, char *text, u16_t len); 
unsigned char telnet_close(struct telnet_state *s); 
unsigned char telnet_abort(struct telnet_state *s); 
 
/* Callbacks, must be implemented by the caller. */ 
void telnet_connected(struct telnet_state *s); 
void telnet_closed(struct telnet_state *s); 
void telnet_sent(struct telnet_state *s); 
void telnet_aborted(struct telnet_state *s); 
void telnet_timedout(struct telnet_state *s); 
void telnet_newdata(struct telnet_state *s, char *data, u16_t len); 
#endif /* __TELNET_H__ */