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/*
* $Id: trafshow.h,v 1.2 1997/08/12 19:17:13 begemot Exp begemot $
* $Log: trafshow.h,v $
* Revision 1.2 1997/08/12 19:17:13 begemot
* New modes, new options (show speed, sort).
*
* Revision 1.1 1997/08/12 16:37:50 begemot
* Initial revision
*
* Revision 1.25 1995/02/26 19:21:02 begemot
* Nothing important
*
* Revision 1.24 1995/02/26 18:59:25 begemot
* Added RCS Id & Log entries into the all source files.
*
*/
/*
* Copyright (C) 1994-1997 D.Gorodchanin. See COPYING for more info.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <strings.h>
#include <signal.h>
#include <netdb.h>
#include <unistd.h>
#include <curses.h>
#include <pwd.h>
#include <netinet/in.h>
#include <resolv.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <net/if_arp.h>
#include <netinet/if_ether.h>
#include <linux/if_packet.h>
#include <net/if.h>
#include <netinet/ip.h>
/* Start of user defines section */
#define SCREEN_UPDATE 3 /* Screen update interval (sec) */
#define CHANNEL_REMOVE 10 /* Inactive channel remove from screen (sec) */
#define CHANNEL_FORGET 180 /* Inactive channel drop time (sec) */
#define CHANNELS_COUNT 512 /* Max. channels in cash */
#define HOSTS_COUNT 512 /* Max. hostnames in cash */
#define FRAGS_COUNT 512 /* Max. hostnames in cash */
#define MIN_LINES 3 /* Min. lines on terminal */
#define MIN_RAWS 80 /* Min. columns on terminal */
#define MAX_PACKET_LEN 8192 /* Max of MTU for all devices */
#define SPEED_INTRVLS {5, 10, 30, 120} /* Speed calculation intervals */
#define SPEED_COUNT 4 /* No. of speed intervals */
/* End of user defines section */
#define _PATH_TCP_INFO "/proc/net/tcp"
#define _PATH_UDP_INFO "/proc/net/udp"
#define MAX_IF_NAME 14 /* size of spkt_device in linux/if_packet.h */
#define MAX_SERV_NAME 6
#define MAX_USER_NAME 8
#define MAX_PROT_NAME 4
#define MAX_DATA_SIZE 10
#define MAX_HOST_NAME ((MIN_RAWS - 2 * \
(MAX_DATA_SIZE + 1 + MAX_SERV_NAME + 1) \
- MAX_PROT_NAME - 1 - 1) / 2 )
struct channel_entry {
unsigned long saddr;
unsigned long daddr;
unsigned long sport;
unsigned long dport;
double ispeed[SPEED_COUNT+1];
double ospeed[SPEED_COUNT+1];
unsigned long in;
unsigned long out;
unsigned long scr_seq;
struct timeval tm;
unsigned short next;
unsigned char proto;
unsigned char line;
unsigned char sserv[MAX_SERV_NAME+1];
unsigned char dserv[MAX_SERV_NAME+1];
unsigned char suser[MAX_USER_NAME+1];
unsigned char duser[MAX_USER_NAME+1];
unsigned char ifname[MAX_IF_NAME+1];
unsigned char get_user_try;
};
extern int update_interval;
extern int remove_interval;
extern int forget_interval;
extern int dont_resolve;
extern int force_mono;
extern int show_speed; /* 0 => no ; 1 - SPEED_COUNT => show */
extern int sort_mode;
extern unsigned char iface[MAX_IF_NAME+1];
extern struct timeval start;
extern struct timeval now;
extern struct timeval next;
enum {
TOTAL = 0,
ILL,
NONIP,
TCP,
UDP,
ICMP,
UNKN,
MAX_STATS,
};
extern double stats[MAX_STATS][SPEED_COUNT + 1];
/* table.c */
void calc_speed(double array[], int size, struct timeval * last);
void update_channels (unsigned long const saddr,
unsigned long const daddr,
unsigned short const sport,
unsigned short const dport,
unsigned char const proto,
int const size,
unsigned char const * const ifname);
int get_channels_list(struct channel_entry * * const list,
int const size);
void init_channels_table(void);
/* host.c */
unsigned short ip_fast_csum(unsigned char const * const buff, int const wlen);
char const * get_host_name(unsigned long const addr);
/* screen.c */
void screen_open(void);
void screen_update(void);
void screen_close(void);
/* frag.c */
int handle_fragment(struct iphdr * iph, int len);
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