#!/bin/sh /etc/rc.common
#    Copyright (C) 2011 Fundacio Privada per a la Xarxa Oberta, Lliure i Neutral guifi.net
#
#    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.,
#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
#    The full GNU General Public License is included in this distribution in
#    the file called "COPYING".
#
# Contributors:
#	Simó Albert i Beltran
#

START=99
STOP=99
SERVICE_DAEMONIZE=1
CONTROL_FILE="/qmp_configured"
BIRTH_FILE="/etc/qmp/.birth"
QMP_DIR="/etc/qmp"
QMP_KEY="/tmp/qmp_key"
QMP_LOG="/root/qmp_autoconf.log"

log() {
	echo -e "$@" > /dev/console
	echo -e "$@"
}

exechooks() {
	local stage=${1:-anyboot}
	. $QMP_DIR/qmp_common.sh
	qmp_hooks_exec $stage
}

stop_services() {
	/etc/init.d/dnsmasq stop
	/etc/init.d/gwck stop
	/etc/init.d/bmx6 stop
	/etc/init.d/uhttpd stop
}

prepare_wifi() {
	i=0
	radios=$(uci show wireless | grep wireless\.radio.*wifi-device -c)
	log "Detected $radios WiFi device(s)"
	while [ $i -lt $radios ]; do
		log "Enabling radio${i}"
		uci set wireless.radio${i}.disabled="0" 2>/dev/null
		uci set wireless.radio${i}.country="$country" 2>/dev/null
		i=$(($i+1))
	done

	uci commit wireless
	log "Enabling WiFi and waiting 10 seconds to come up..."
	wifi up
	sleep 10
	log ""


	log "Detected WiFi devices:"
	log --------------------------------------------------
	log "$(iwinfo)"
	log --------------------------------------------------
}

configure() {
	stop_services
	log Redirecting stderr to $QMP_LOG
	exec 2>>$QMP_LOG 1>&2
	log "[Starting qMp autoconfiguration]"
	log "Waiting 15 seconds to make sure everything else is ready..."
	sleep 15
	log "... done!"
	log ""

	log "[WiFi devices detection]"
	country="$(uci get qmp.wireless.country 2>/dev/null)"
	country="${country:-US}"
	log "Using country code $country."
	log "Preparing wifi devices"
	prepare_wifi
	log "... done!"
	log ""

	# Execute birth hooks if it is the first boot of the device
	log "[Birth hooks]"
	[ ! -e "$BIRTH_FILE" ] && exechooks birth && touch "$BIRTH_FILE"
	log "... done!"
	log ""

	# Configure system and reboot
	log "[Loading qMp functions]"
	. $QMP_DIR/qmp_functions.sh
	log "... done!"
	log ""

	log "[Initial qMp system configuration]"
	qmp_configure_initial
	log "... done!"
	log ""

	log "[Full qMp system configuration]"
	qmp_configure
	log "... done!"
	log ""

	log "[Finishing qMp autoconfiguration]"
	touch "$CONTROL_FILE"
	[ -f "$CONTROL_FILE" ] && log "Rebooting..." && reboot || log "CRITICAL ERROR, cannot write file $CONTROL_FILE"
}

# This function is executed on each boot
startup() {
	# Set HostName
	. $QMP_DIR/qmp_system.sh
	qmp_set_hosts
	[ $(qmp_uci_get services.bwtest) -eq 1 ] && qmp_enable_netserver

	# Run hooks
	exechooks anyboot

	# Generate current qmp key
	logread | md5sum | awk '{print $1}' > $QMP_KEY

	# Start firewall
	sh /etc/firewall.user
}

start() {
	if [ ! -e "$CONTROL_FILE" ]; then
		echo "qMp is not configured. Starting autoconfiguration..."
		echo ""
		configure
	else
		echo "qMp is already configured. Delete file $CONTROL_FILE to force reconfiguration."
	fi

	startup
}

stop() {
	log "Nothing to do"
}

restart() {
	stop
	start
}