host_status.in

#!/bin/sh
#
# $Id: host_status.in,v 1.3 2024-04-21 23:31:08+05:30 Cprogrammer Exp mbhangui $
#

set_command1()
{
	if [ -n "$LCD_FIFO" ] ; then
		cmd1="/bin/cat > $LCD_FIFO"
		return 0
	elif [ -n "$LCD_HOST" ] ; then
		if [ -z "$LCD_PORT" ] ; then
			LCD_PORT=1806
		fi
		cmd1="nc -w 1 -u $LCD_HOST $LCD_PORT"
		return 0
	fi

	if [ -d /run ] ; then
		lcdfifo="/run/lcd-daemon/lcdfifo"
	elif [ -d /var/run ] ; then
		lcdfifo="/var/run/lcd-daemon/lcdfifo"
	else
		lcdfifo="/tmp/lcd-daemon/lcdfifo"
	fi
	if [ -p $lcdfifo ] ; then
		cmd1="/bin/cat > /run/lcd-daemon/lcdfifo"
		return 0
	elif [  -x /usr/bin/nc ] ; then
		if [ -n "$LCD_HOST" ] ; then
			lcdhost=$LCD_HOST
		else
			lcdhost=$(grep lcdhost /etc/hosts|awk '{print $1}')
		fi
		if [ -z "$LCD_PORT" ] ; then
			LCD_PORT=1806
		fi
		if [ -n "$lcdhost" ] ; then
			cmd1="nc -w 1 -u $lcdhost $LCD_PORT"
			return 0
		fi
	fi
	return 1
}

set_command2()
{
	if [ -n "$NOTIFY_FIFO" ] ; then
		cmd2="/bin/cat > $NOTIFY_FIFO"
		return 0
	elif [ -n "$NOTIFY_HOST" ] ; then
		if [ -z "$NOTIFY_PORT" ] ; then
			NOTIFY_PORT=1807
		fi
		cmd2="nc -u $NOTIFY_HOST $NOTIFY_PORT"
		return 0
	fi

	if [ -d /run ] ; then
		notifyfifo="/run/notify-desktop/notify-fifo"
	elif [ -d /var/run ] ; then
		notifyfifo="/var/run/notify-desktop/notify-fifo"
	else
		notifyfifo="/tmp/notify-desktop/notify-fifo"
	fi
	if [ -p $notifyfifo ] ; then
		cmd2="/bin/cat > /run/notify-desktop/notify-fifo"
		return 0
	elif [  -x /usr/bin/nc ] ; then
		if [ -n "$NOTIFY_HOST" ] ; then
			notifyhost=$NOTIFY_HOST
		else
			notifyhost=$(grep notifyhost /etc/hosts|awk '{print $1}')
		fi
		if [ -z "$NOTIFY_PORT" ] ; then
			NOTIFY_PORT=1807
		fi
		if [ -n "$notifyhost" ] ; then
			cmd2="nc -u $notifyhost $NOTIFY_PORT"
			return 0
		fi
	fi
	return 1
}

if [ $# -ne 1 ] ; then
	exit 1
fi

set_command1
set_command2
case "$1" in
	load)
	if [ -n "$cmd1" ] ; then
		echo "Sending load information to LCD $cmd1"
		load=$(cat /proc/loadavg|awk '{print $1" "$2" "$3}')
		echo "0 0 3:Load $load" | sh -c "$cmd1"
		if [ -n "$LCD_FIFO" ] ; then
			sleep 0.5
		fi
		echo "1 0 0:$(hostname -I)" | sort -u | sh -c "$cmd1"
		echo "2 0 0:$(date +"%d-%m-%y %H:%M:%S")" | sh -c "$cmd1"
		echo "3 0 0:$(uname -n) On" | sh -c "$cmd1"
	fi
	if [ -n "$cmd2" ] ; then
		echo "Sending load information desktop notification $cmd2"
		load=$(cat /proc/loadavg|awk '{print $1" "$2" "$3}')
		(
		printf "summary:host-status\n"
		printf "body:Load $load\n" 
		printf "body:\"$(hostname -I | sort -u)\"\n"
		printf "body: Boot complete for %s\n" $(hostname)
		) | sh -c "$cmd2"
	fi
	;;
	PowerOff)
	if [ -n "$cmd1" ] ; then
		echo "3 0 3:$(uname -n) PowerOff" | sh -c "$cmd1"
	fi
	if [ -n "$cmd2" ] ; then
		(
		printf "summary:host-status\n"
		printf "body: PowerOff %s\n" $(hostname)
		) | sh -c "$cmd2"
	fi
	;;
	MusicOff)
	if [ -n "$cmd1" ] ; then
		echo "3 0 3:$(uname -n) MusicOff" | sh -c "$cmd1"
	fi
	if [ -n "$cmd2" ] ; then
		(
		printf "summary:host-status\n"
		printf "body: MusicOff %s\n" $(hostname)
		) | sh -c "$cmd2"
	fi
	;;
	*)
		if [ -n "$cmd1" ] ; then
			echo "Sending text to LCD $cmd1"
			echo $1 | sh -c "$cmd1"
		fi
		if [ -n "$cmd2" ] ; then
			echo "Sending desktop notification $cmd2"
			(
			printf "summary: host-status\n"
			printf "body:$1\n"
			) | sh -c "$cmd2"
		fi
		;;
esac

#
# $Log: host_status.in,v $
# Revision 1.3  2024-04-21 23:31:08+05:30  Cprogrammer
# added desktop notification to notifyhost or notify-fifo
#
# Revision 1.2  2024-03-23 02:02:44+05:30  Cprogrammer
# add delay when resetting LCD display
# eliminate duplicate ip addresses
#
# Revision 1.1  2023-06-30 17:09:52+05:30  Cprogrammer
# Initial revision
#
#