slppriv.h

这是有名的＜＜嵌入式系统TCP/IP应用层协议＞＞,M.Tim Jones 著

/*
 *  Embedded SLP Private Functions and Symbolics
 *
 *  ./software/ch10/emslp/slppriv.h
 *
 *  [e-mail]
 *
 */

#ifndef __SLPPRIV_H
#define __SLPPRIV_H

#include "manip.h"

// Undefine for no debug output
//#define SLP_DEBUG

#define GROUP_IP	"239.255.255.253"
#define PORT_NUMBER	427

#define SLP_LIFETIME    10800

/* SLP Message Types */
#define SRV_RQST        1
#define SRV_REPLY       2
#define SRV_REG         3
#define SRV_DEREG       4
#define SRV_ACK		5
#define DA_ADVERT       8
#define SRV_TYPE_RQST   9
#define SRV_TYPE_REPLY  10

/* SLP archTypes */
#define MULTICAST_ARCH  0
#define UNICAST_ARCH    1

/* SLP Header Flag Bits */
#define REQUEST_MCAST   0x20
#define FRESH           0x40
#define OVERFLOW        0x80

int  slpSendMessage( slpHandleType *, slpMsgType * );

int  slpReceiveMessage( slpHandleType *, slpMsgType *, int );

int  slpParseServiceReply( slpMsgType *, slpParsedServiceReplyType * );

int  slpParseServiceTypesReply( slpMsgType *, slpParsedServiceTypeReplyType * );

void setSlpHeaderLength( slpMsgType * );

void setSlpXID( slpMsgType *, uint16_t );

#define peekXid( x )	((x->buffer[10] << 8) | x->buffer[11])

#endif /* __SLPPRIV_H */

/*
 *  Copyright (c) 2002 Charles River Media.  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or 
 *  without modification, is hereby granted without fee 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 Charles River Media 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 CHARLES RIVER MEDIA AND CONTRIBUTERS 
 * 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS 
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CHARLES
 * RIVER MEDIA OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARAY, 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.
 */