#
#include	<stdio.h>
#include	<sgtty.h>
#include	<ip.h>
#include	"task.h"
#include	"telnet.h"

extern long	resolve_name();

char	*echomode[] {
	0,
	"local",
	"remote"
	};

char	*sendmode[] {
	0,
	"every character",
	"newline"
	};

char	*connstat[] {
	0,
	"established",
	"closing",
	"closed"
	};

pr_banner()
{
	struct ucb	*pucb;

	pucb = &ucb;
	pucb->u_prompt = DFESC;

	printf("Telnet escape character is ");
	showesc (pucb->u_prompt);
	printf ("\n");
}

in_name	gt_host(argc, argv)
int	argc;
char	*argv[];
{
	char		fname[42];
	register int	i;
	in_name		fhost;

	if (argc < 2) {
		printf("Enter foreign host name: ");
		for (i = 0; i < 40; i++)
			if ((fname[i] = getchar()) == '\n') break;
		fname[i] = '\0';
		fhost = resolve_name(fname);
		}
	else
		fhost = resolve_name(argv[1]);

	if (fhost == NULL)
		printf("Foreign host unknown\n");

	return(fhost);
}


showcmds()
{
	register int	prompt;
	register FILE	*bwrite;

	prompt = ucb.u_prompt;
	bwrite = ucb.u_bwrite;

	fprintf(bwrite, "\nTelnet Commands\n");
	fprintf(bwrite, "Escape character is ");
	fflush(bwrite);
	showesc(prompt);
	fprintf(bwrite, "\n");
	fprintf(bwrite, "l	Local echo\n");
	fprintf(bwrite, "r	Remote echo\n");
	fprintf(bwrite, "e	Send on every character\n");
	fprintf(bwrite, "n	Send on newline\n");
	fprintf(bwrite, "a	Send are you there\n");
	fprintf(bwrite, "b	Send telnet interrupt process in urgent mode\n");
	fprintf(bwrite, "c	Close connection and exit telnet\n");
	fprintf(bwrite, "q	exit telnet immediately\n");
	fprintf(bwrite, "p	pause telnet and return to shell\n");
	fprintf(bwrite, "i	change intercept character\n");
	fprintf(bwrite, "s	Give connection status\n");
	fprintf(bwrite, "d	Toggle debugging state\n");
	fprintf(bwrite, "?	Print this list\n");
	fflush(bwrite);
}

showesc (c)
char c;
{
	if (c < '\040') {
		c |= 0100;
		printf ("^%c", c);
	} else if (c == '\177') {
		printf ("^?");
	} else {
		printf ("%c", c);
	}
}
	

showstats()
{
	register struct ucb	*pucb;
	extern	int	opening, ourclosing, hisclosing, dbg;

	pucb = &ucb;
	printf("Connection state: opening = %d, ourclosing = %d, hisclosing = %d\n", opening, ourclosing, hisclosing);
	printf("Debugging is %s\n", (dbg ? "on" : "off"));
	printf("Echo mode is %s\n", echomode[pucb->u_echom]);
	printf("Send mode is %s\n", sendmode[pucb->u_sendm]);
}