emonTH

#!/bin/bash
### BEGIN INIT INFO
# Provides:          emonTH
# Required-Start:    $all
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:
# Short-Description: RFM69pi listening to emonTH metrics
### END INIT INFO

PID_FILE="/var/run/emonTH.pid"

PATH=/sbin:/usr/sbin:/bin:/usr/bin

. /lib/init/vars.sh
. /lib/lsb/init-functions

do_start() {
    stty -F /dev/ttyAMA0 -raw -echo -echoe -echok 38400
#    touch /var/log/emonTH
#    chmod a+r /var/log/emonTH
#    cat /dev/ttyAMA0 > /var/emonTH &

    # Remove newlines from the line and push it to redis message queue
    cat /dev/ttyAMA0 | while read -r line; do [[ -n "${line//['\n''\r']}" ]] && echo "LPUSH emonTH \"${line//['\n\r']}\"" | redis-cli ; done &

    echo $! > "$PID_FILE"
    sleep 5
    echo "v" > /dev/ttyAMA0
    sleep 5
    echo "15i" > /dev/ttyAMA0
    sleep 5
    echo "v" > /dev/ttyAMA0
}

case "$1" in
    start)
	do_start
        ;;
    restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2
        exit 3
        ;;
    status)
        if [ -f "$PID_FILE" ] && ps $(cat "$PID_FILE") > /dev/null 2>&1; then
            echo "Running"
            echo 0
        else
            echo "Stopped"
            exit 1
        fi
        ;;
    stop)
        # No-op
        echo "Killing $PID_FILE"
        kill $(cat "$PID_FILE")
        exit $?
        ;;
    *)
        echo "Usage: $0 start|stop" >&2
        exit 3
        ;;
esac