btdisc.c

bluetooth 驱动

/*
 * btdisc.c --  Disconnect an RFCOMM connection
 *
 * Copyright (C) 2000, 2001  Axis Communications AB
 *
 * Author: Mattias Agren <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Exceptionally, Axis Communications AB grants discretionary and
 * conditional permissions for additional use of the text contained
 * in the company's release of the AXIS OpenBT Stack under the
 * provisions set forth hereunder.
 *
 * Provided that, if you use the AXIS OpenBT Stack with other files,
 * that do not implement functionality as specified in the Bluetooth
 * System specification, to produce an executable, this does not by
 * itself cause the resulting executable to be covered by the GNU
 * General Public License. Your use of that executable is in no way
 * restricted on account of using the AXIS OpenBT Stack code with it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the provisions of the GNU
 * General Public License.
 *
 * $Id: btdisc.c,v 1.6 2001/05/14 11:29:36 pkj Exp $
 *
 */

#include <sys/time.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <time.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#include <getopt.h>

#include "btd.h"
#include "bt_if.h"
#include "bt_conf.h"
#include "bt_misc.h"
    
#define DEFAULT_BTDEV "/dev/ttyBT0"

/* 
 * Syntax: btdisc [-d <dev>] -D <rfcomm dlci> 
 */

int
main(int argc, char **argv)
{
  char *btdev = DEFAULT_BTDEV;
  int con_id, bt_cfd, dlci = -1, line, opt;
  int result;

  /* Print header if called via http */
  if (getenv("REQUEST_METHOD") != NULL)
  {
    printf("Content-type: text/plain\r\n\r\n");
  }

  /* now parse options */
  while ((opt = getopt(argc, argv, "d:D:")) != -1)
  {
    switch (opt)
    {
     case 'd':
      /* BT device */
      btdev = optarg;
      printf("btdev: %s\n", btdev);
      break;
          
     case 'D':
      dlci = atoi(optarg);
      printf("RFCOMM dlci: %d\n", dlci);
      break;
      
     default:
      break;
    }
  }

  if (optind < argc || dlci < 0)
  {
    printf("Wrong syntax or missing parameters\n");
    printf("Syntax: %s [-d <dev>] -D <rfcomm dlci>\n", argv[0]);
    exit(0);
  }

  /* Open BT ctrl device */  
  if ((bt_cfd = bt_openctrl()) < 0)
  {
    perror("Could not open BT control device");
    exit(1);
  }

  /* First of all check that stack is running */
  if (!bt_isinitiated(bt_cfd))
  {
    printf("Stack not initiated, exit\n");
    exit(1);
  }

  line = atoi((char*)(btdev+10));
  
  /* Connect RFCOMM session on line */
  printf("Disconnecting line %d [%s]\n", line, btdev);

  con_id = CREATE_RFCOMM_ID(line, dlci);

  result = bt_disconnect(bt_cfd, con_id);

  close(bt_cfd);
  exit(result);
}