#! /bin/sh
#
# Copyright (c) 2016, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#   * Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#   * Redistributions in binary form must reproduce the above
#     copyright notice, this list of conditions and the following
#     disclaimer in the documentation and/or other materials provided
#     with the distribution.
#   * Neither the name of The Linux Foundation nor the names of its
#     contributors may be used to endorse or promote products derived
#     from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
#
# Short-Description: logd daemon
# Description: init.d script to start logd daemon

set -e
wait_for_logd_to_start() {
    while [ -z $(pidof -o %PPID logd) ];
    do
        echo "waiting for logd to start"
    done
}

case "$1" in
  start)
        if [ ! -d /dev/socket ]; then
            mkdir /dev/socket
        fi
        chmod 777 /dev/socket
        echo 600 > /proc/sys/net/unix/max_dgram_qlen
        if [ -z $(pidof -o %PPID logd) ]; then
            echo "Starting logd ..."
            start-stop-daemon -S -b -x /sbin/logd
        fi
        wait_for_logd_to_start
        # add a small delay, before socket permission are
        # being set.
        sleep 0.2s
        echo "Logd running: Setting permission .."
        chmod 0666 /dev/socket/logd
        chmod 0666 /dev/socket/logdr
        chmod 0222 /dev/socket/logdw
        echo "done"
        ;;
  stop)
        echo -n "Stopping logd: "
        start-stop-daemon -K -n logd
        echo "done"
        ;;
  restart)
        $0 stop
        $0 start
        ;;
  *)
        echo "Usage logd { start | stop | restart}" >&2
        exit 1
        ;;
esac

exit 0