libping.c File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <pthread.h>
#include <stdlib.h>
#include "libping.h"
#include "xmalloc.h"
#include "log.h"

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Macros
#define	MAXPACKET   65535
#define	PKTSIZE   64
#define	HDRLEN   ICMP_MINLEN
#define	DATALEN   (PKTSIZE-HDRLEN)
#define	MAXDATA   (MAXPKT-HDRLEN-TIMLEN)
#define	DEF_TIMEOUT   5
#define	PROTO_BUF_LEN   1024

Functions
struct ping_priv	ping_priv_default (void)
int	elapsed_time (struct timeval *starttime)
void	JOEfreeprotoent (struct protoent *p)
void	JOEfreehostent (struct hostent *h)
static int	in_checksum (u_short *buf, int len)
static int	send_ping (const char *host, struct sockaddr_in *taddr, struct ping_priv *datum)
static int	recv_ping (struct sockaddr_in *taddr, struct ping_priv *datum)
int	myping (const char *hostname, int t, struct ping_priv *datum)
int	pinghost (const char *hostname)
int	pingthost (const char *hostname, int t)
int	tpinghost (const char *hostname)
int	tpingthost (const char *hostname, int t)

Macro Definition Documentation

#define DATALEN   (PKTSIZE-HDRLEN)

#define DEF_TIMEOUT   5

#define HDRLEN   ICMP_MINLEN

#define MAXDATA   (MAXPKT-HDRLEN-TIMLEN)

#define MAXPACKET   65535

PING module

Copyright (C) 2001 Jeffrey Fulmer jdful.nosp@m.mer@.nosp@m.armst.nosp@m.rong.nosp@m..com This file is part of LIBPING

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

---

This code has been lightly modified to adapt it in the Netsukuku source code.

#define PKTSIZE   64

#define PROTO_BUF_LEN   1024

Function Documentation

int elapsed_time

(

struct timeval *

starttime

)

elapsed_time returns an int value for the difference between now and starttime in milliseconds.

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static int in_checksum ( u_short *  buf, int  len  )

static

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void JOEfreehostent

(

struct hostent *

h

)

void JOEfreeprotoent

(

struct protoent *

p

)

int myping	(	const char *	hostname,
		int	t,
		struct ping_priv *	datum
	)

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struct ping_priv ping_priv_default

(

void

)

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int pinghost

(

const char *

hostname

)

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int pingthost	(	const char *	hostname,
		int	t
	)

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static int recv_ping ( struct sockaddr_in *  taddr, struct ping_priv *  datum  )

static

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static int send_ping ( const char *  host, struct sockaddr_in *  taddr, struct ping_priv *  datum  )

static

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int tpinghost

(

const char *

hostname

)

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int tpingthost	(	const char *	hostname,
		int	t
	)

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