#!/bin/sh
# Filename:      bt-hid
# Purpose:       connect human input device via bluetooth to local system
# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
# Bug-Reports:   see http://grml.org/bugs/
# License:       This file is licensed under the GPL v2.
# Latest change: Die Aug 08 19:58:41 CEST 2006 [mika]
################################################################################

. /etc/grml/lsb-functions

if [ $UID != 0 ] ; then
   eerror "Need root privileges. Please run $0 as user root." ; eend 1
   exit 1
fi

case "$1" in
  start)
   einfo "Starting bluetooth support."
    eindent

    if pgrep dbus-daemon 1>/dev/null; then
      einfo "dbus already running." ; eend 0
    else
      einfo "Starting dbus."
      /etc/init.d/dbus start 1>/dev/null ; eend $?
    fi

    if pgrep sdpd 1>/dev/null; then
      einfo "Main bluetooth daemons seem to be already running." ; eend 0
    else
      einfo "Starting main bluetooth support."
      /etc/init.d/bluetooth start 1>/dev/null ; eend $?
    fi

    if pgrep hcid 1>/dev/null; then
      einfo "hcid already running."
    else
      einfo "Starting hcid."
       HCIINFO=$(mktemp)
       if start-stop-daemon --start --exec /usr/sbin/hcid 1>$HCIINFO 2>&1 ; then
         rm -f $HCIINFO
         eend 0
       else
         eerror "hcid could not be started: `cat $HCIINFO`. Exiting."
         rm -f $HCIINFO
         eend 1
         exit 1
       fi
    fi
     einfo "Loading bluetooth modules:"
     for module in bluetooth ohci1394 hci_usb ; do
       eindent
       einfo "$module" ; modprobe $module ; eend $?
       eoutdent
     done

     einfo "Scanning for human input device(s). Press the 'connect' button on the device!"
     einfo "Scanning might take a while. Searching..."
     SUCCESS=$(mktemp)
     ERROR=$(mktemp)
     if hidd --search 1>${SUCCESS} 2>${ERROR} ; then
      if ! grep -q 'Connecting to device' $SUCCESS ; then
         eerror "Could not find any devices. Exiting." ; eend 1
         exit 1
      else
       ID=$(awk '/Connecting to device/ {print $4}' $SUCCESS)
       if [ -n "$ID" ] ; then
        einfo "Success: connected device ${ID}." ; eend 0
        logger -t "bluez-connect" "connected human input device ${ID}"
       else
        ewarn "Warning: searching for device succeded but no connection could be established."
       fi
      fi
     else
       eerror "Error: `cat $ERROR`" ; eend 1
     fi
     rm -f $SUCCESS $ERROR
    ;;
  stop)
    einfo "Stopping hcid."
    killall hcid ; eend $? # workaround because start-stop-daemon does not work :-/
    einfo "Disconnecting all human input devices."
    logger -t "bluez-connect" "disconnected all human input devices"
    hidd --killall ; eend $?
    ;;
  restart|force-reload)
    $0 stop
    sleep 1
    $0 start
    ;;
  status)
    local INFO="$(hidd --show)"
    einfo "$0 - checking status:"
    eindent
    if pgrep hcid 1>/dev/null ; then
      einfo "hcid running." ; eend 0
    else
      eerror "hcid not running." ; eend 1
    fi
    if [ -n "$INFO" ] ; then
      einfo "$INFO" ; eend 0
    else
      eerror "No devices connected." ; eend 1
    fi
    eoutdent
    ;;
  *)
    echo "Usage: $0 {start|stop|status|restart|force-reload}"
    exit 1
    ;;
esac

eoutdent

exit 0

## END OF FILE #################################################################