mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 09:41:54 +00:00
a5e9f3d26f
The BIRD client code is restructured that most of the code (including main function) is shared in client.c, while birdc.c and birdcl.c contain just I/O-specific callbacks. This removes all duplicated code from variant-specific files.
166 lines
2.4 KiB
C
166 lines
2.4 KiB
C
/*
|
|
* BIRD Client - Light variant I/O
|
|
*
|
|
* (c) 1999--2004 Martin Mares <mj@ucw.cz>
|
|
* (c) 2013 Tomas Hlavacek <tomas.hlavacek@nic.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <termios.h>
|
|
|
|
#include <sys/ioctl.h>
|
|
#include <signal.h>
|
|
|
|
#include "nest/bird.h"
|
|
#include "lib/resource.h"
|
|
#include "lib/string.h"
|
|
#include "client/client.h"
|
|
#include "sysdep/unix/unix.h"
|
|
|
|
#define INPUT_BUF_LEN 2048
|
|
|
|
struct termios tty_save;
|
|
|
|
void
|
|
input_start_list(void)
|
|
{
|
|
/* Empty in non-ncurses version. */
|
|
}
|
|
|
|
void
|
|
input_stop_list(void)
|
|
{
|
|
/* Empty in non-ncurses version. */
|
|
}
|
|
|
|
void
|
|
input_notify(int prompt)
|
|
{
|
|
/* No ncurses -> no status to reveal/hide, print prompt manually. */
|
|
if (!prompt)
|
|
return;
|
|
|
|
printf("bird> ");
|
|
fflush(stdout);
|
|
}
|
|
|
|
|
|
static int
|
|
lastnb(char *str, int i)
|
|
{
|
|
while (i--)
|
|
if ((str[i] != ' ') && (str[i] != '\t'))
|
|
return str[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
input_read(void)
|
|
{
|
|
char buf[INPUT_BUF_LEN];
|
|
|
|
if ((fgets(buf, INPUT_BUF_LEN, stdin) == NULL) || (buf[0] == 0))
|
|
{
|
|
putchar('\n');
|
|
cleanup();
|
|
exit(0);
|
|
}
|
|
|
|
int l = strlen(buf);
|
|
if ((l+1) == INPUT_BUF_LEN)
|
|
{
|
|
printf("Input too long.\n");
|
|
return;
|
|
}
|
|
|
|
if (buf[l-1] == '\n')
|
|
buf[--l] = '\0';
|
|
|
|
if (!interactive)
|
|
printf("%s\n", buf);
|
|
|
|
if (l == 0)
|
|
return;
|
|
|
|
if (lastnb(buf, l) == '?')
|
|
{
|
|
cmd_help(buf, strlen(buf));
|
|
return;
|
|
}
|
|
|
|
submit_command(buf);
|
|
}
|
|
|
|
static struct termios stored_tty;
|
|
static int more_active = 0;
|
|
|
|
void
|
|
more_begin(void)
|
|
{
|
|
static struct termios tty;
|
|
|
|
tty = stored_tty;
|
|
tty.c_lflag &= (~ECHO);
|
|
tty.c_lflag &= (~ICANON);
|
|
|
|
if (tcsetattr (0, TCSANOW, &tty) < 0)
|
|
die("tcsetattr: %m");
|
|
|
|
more_active = 1;
|
|
}
|
|
|
|
void
|
|
more_end(void)
|
|
{
|
|
more_active = 0;
|
|
|
|
if (tcsetattr (0, TCSANOW, &stored_tty) < 0)
|
|
die("tcsetattr: %m");
|
|
}
|
|
|
|
static void
|
|
sig_handler(int signal)
|
|
{
|
|
cleanup();
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
input_init(void)
|
|
{
|
|
if (!interactive)
|
|
return;
|
|
|
|
if (tcgetattr(0, &stored_tty) < 0)
|
|
die("tcgetattr: %m");
|
|
|
|
if (signal(SIGINT, sig_handler) == SIG_IGN)
|
|
signal(SIGINT, SIG_IGN);
|
|
if (signal(SIGTERM, sig_handler) == SIG_IGN)
|
|
signal(SIGTERM, SIG_IGN);
|
|
|
|
struct winsize tws;
|
|
if (ioctl(0, TIOCGWINSZ, &tws) == 0)
|
|
{
|
|
term_lns = tws.ws_row;
|
|
term_cls = tws.ws_col;
|
|
}
|
|
else
|
|
{
|
|
term_lns = 25;
|
|
term_cls = 80;
|
|
}
|
|
}
|
|
|
|
void
|
|
cleanup(void)
|
|
{
|
|
if (more_active)
|
|
more_end();
|
|
}
|