99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* Wireless daemon for Linux
|
||
|
|
*
|
||
|
|
* Copyright (C) 2017 Intel Corporation. All rights reserved.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library 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
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include <config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <ell/ell.h>
|
||
|
|
#include <readline/history.h>
|
||
|
|
#include <readline/readline.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include "display.h"
|
||
|
|
|
||
|
|
#define IWD_PROMPT COLOR_GREEN "[iwd]" COLOR_OFF "# "
|
||
|
|
#define LINE_LEN 81
|
||
|
|
|
||
|
|
static struct l_queue *display_types;
|
||
|
|
static struct l_io *io;
|
||
|
|
static char dashed_line[LINE_LEN];
|
||
|
|
static char empty_line[LINE_LEN];
|
||
|
|
|
||
|
|
static void readline_callback(char *prompt)
|
||
|
|
{
|
||
|
|
l_free(prompt);
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool read_handler(struct l_io *io, void *user_data)
|
||
|
|
{
|
||
|
|
rl_callback_read_char();
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void disconnect_callback(struct l_io *io, void *user_data)
|
||
|
|
{
|
||
|
|
l_main_exit();
|
||
|
|
}
|
||
|
|
|
||
|
|
void display_enable_cmd_prompt(void)
|
||
|
|
{
|
||
|
|
io = l_io_new(fileno(stdin));
|
||
|
|
|
||
|
|
l_io_set_read_handler(io, read_handler, NULL, NULL);
|
||
|
|
l_io_set_disconnect_handler(io, disconnect_callback, NULL, NULL);
|
||
|
|
|
||
|
|
rl_set_prompt(IWD_PROMPT);
|
||
|
|
}
|
||
|
|
|
||
|
|
void display_disable_cmd_prompt(void)
|
||
|
|
{
|
||
|
|
rl_set_prompt("");
|
||
|
|
rl_crlf();
|
||
|
|
}
|
||
|
|
|
||
|
|
void display_init(void)
|
||
|
|
{
|
||
|
|
memset(&dashed_line, '-', sizeof(dashed_line) - 1);
|
||
|
|
memset(&empty_line, ' ', sizeof(empty_line) - 1);
|
||
|
|
|
||
|
|
display_types = l_queue_new();
|
||
|
|
|
||
|
|
setlinebuf(stdout);
|
||
|
|
|
||
|
|
rl_erase_empty_line = 1;
|
||
|
|
rl_callback_handler_install("Waiting for IWD to appear...",
|
||
|
|
readline_callback);
|
||
|
|
rl_redisplay();
|
||
|
|
}
|
||
|
|
|
||
|
|
void display_exit(void)
|
||
|
|
{
|
||
|
|
rl_callback_handler_remove();
|
||
|
|
|
||
|
|
l_io_destroy(io);
|
||
|
|
|
||
|
|
l_queue_destroy(display_types, NULL);
|
||
|
|
display_types = NULL;
|
||
|
|
}
|