/*
 * Copyright (c) 2001 Hellmuth Michaelis. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
 *
 *---------------------------------------------------------------------------
 *
 *	nifmon - header file
 *	--------------------
 *
 *      last edit-date: [Sun Sep  9 11:54:37 2001]
 *
 *---------------------------------------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <signal.h>

#include <unistd.h>
#include <syslog.h>
#include <regex.h>
#include <curses.h>
#include <fcntl.h>

#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/sysctl.h>
#include <sys/wait.h>

#include <net/if.h>
#include <net/if_var.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if_mib.h>
#include <netdb.h>

#define	VERSION		1
#define RELEASE		4

#define PIDFIL		"/var/run/nifmon"
#define PIDPID		".pid"

#define TCPDUMP		"tcpdump"
#define TCPDUMPPATH	"/usr/sbin/tcpdump"
#define TCPDUMPFLAGS	"-li"

/*---------------------------------------------------------------------------*
 *	curses fullscreen display definitions
 *---------------------------------------------------------------------------*/

/* horizontal positions for upper window */

#define V_IP		1
#define H_LOCIP		6
#define H_LOCHN		22
#define H_REMIP		64

#define V_LADCD		2
#define H_LADMCHG	5
#define H_LADMCHGL	30
#define H_PADMCHG	44
#define H_PADMCHGL	69

#define V_BIO		3
#define H_BIN		12
#define H_BINX		34
#define H_BOUT		53
#define H_BOUTX		74

#define V_PIO		4
#define H_PIN		12
#define H_POUT		53

#define V_IBYTE		5
#define H_SEC		70
#define H_MIN		42
#define H_HR		12

#define V_OBYTE		6
#define V_IPACK		7
#define V_OPACK		8

#define V_LOWERW	9

/* fullscreen mode menu window */
#define WMENU_LEN 	26		/* width of menu window */
#define WMENU_TITLE 	"Command"	/* title string */
#define WMENU_POSLN	15		/* menu position, line */
#define WMENU_POSCO	5		/* menu position, col */
#define WMITEMS 	2		/* no of menu items */
#define WMENU_HGT 	(WMITEMS + 4)	/* menu window height */

#define WREFRESH	0
#define WQUIT		1

#define WMTIMEOUT	5	/* timeout in seconds */

/*---------------------------------------------------------------------------*
 *	global variables
 *---------------------------------------------------------------------------*/
#ifdef MAIN

int curses_ready = 0;		/* curses initialized */
int do_bell = 0;

WINDOW *upper_w;		/* curses upper window pointer */
WINDOW *lower_w;		/* curses lower window pointer */

FILE *pfp;

short if_flags = 0;

char *rdev;
char *term;

int background = 0;
int has_rdev = 0;
int has_term = 0;

char pidfile[MAXPATHLEN];

char *hostname = "";

#else /* !MAIN */

int curses_ready;
int do_bell;

WINDOW *upper_w;
WINDOW *lower_w;

FILE *pfp;

short if_flags;

char *rdev;
char *term;
int background;
int has_rdev;
int has_term;

char pidfile[MAXPATHLEN];

char *hostname;

#endif

extern void init_screen ( char *interface );
extern void do_menu ( void );
extern void kbdrdhdl ( void );
extern void loghdl ( FILE * fp );
extern void init_interface ( char *interface );
extern void update_interface ( char *interface );
extern int main ( int argc, char **argv );
extern void do_exit ( int exitval );
extern FILE * mpopen ( char *interface, char *expression );
extern int mpclose ( FILE * fp );
extern void check_pid ( char * );
extern void write_pid ( char * );
extern void daemonize ( void );