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net.h
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/*
mtr -- a network diagnostic tool
Copyright (C) 1997,1998 Matt Kimball
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.
*/
/* Prototypes for functions in net.c */
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#ifdef ENABLE_IPV6
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#endif
int net_preopen(void);
int net_selectsocket(void);
int net_open(struct hostent *host);
void net_reopen(struct hostent *address);
int net_set_interfaceaddress (char *InterfaceAddress);
void net_reset(void);
void net_close(void);
int net_waitfd(void);
void net_process_return(void);
int net_max(void);
int net_min(void);
int net_last(int at);
ip_t * net_addr(int at);
int net_loss(int at);
int net_drop(int at);
int net_last(int at);
int net_best(int at);
int net_worst(int at);
int net_avg(int at);
int net_gmean(int at);
int net_stdev(int at);
int net_jitter(int at);
int net_jworst(int at);
int net_javg(int at);
int net_jinta(int at);
ip_t * net_addrs(int at, int i);
char *net_localaddr(void);
int net_send_batch(void);
void net_end_transit(void);
int calc_deltatime (float WaitTime);
/* Added by Brian Casey, December 1997 bcasey@imagiware.com*/
int net_returned(int at);
int net_xmit(int at);
int net_transit(int at);
int net_up(int at);
#define SAVED_PINGS 200
int* net_saved_pings(int at);
void net_save_xmit(int at);
void net_save_return(int at, int seq, int ms);
int net_duplicate(int at, int seq);
void sockaddrtop( struct sockaddr * saddr, char * strptr, size_t len );
int addrcmp( char * a, char * b, int af );
void addrcpy( char * a, char * b, int af );
#define MAXPATH 8
#define MaxHost 256
#define MinSequence 33000
#define MaxSequence 65536
#define MinPort 1024
#define MAXPACKET 4470 /* largest test packet size */
#define MINPACKET 28 /* 20 bytes IP header and 8 bytes ICMP or UDP */
/* stuff used by display such as report, curses... --Min */
#define MAXFLD 20 /* max stats fields to display */
#if defined (__STDC__) && __STDC__
#define CONST const
#else
#define CONST /* */
#endif
/* XXX This doesn't really belong in this header file, but as the
right c-files include it, it will have to do for now. -- REW */
/* dynamic field drawing */
struct fields {
CONST unsigned char key;
CONST char *descr;
CONST char *title;
CONST char *format;
int length;
int (*net_xxx)();
};
extern struct fields data_fields[MAXFLD];
/* keys: the value in the array is the index number in data_fields[] */
extern int fld_index[];
extern unsigned char fld_active[];
extern char available_options[];
ip_t unspec_addr;