z-connector OpenWRT init script

#!/bin/sh /etc/rc.common

# Service for running z-agent on OpenWRT or other uci-managed system

# Put your certificates into /etc/z-connector/Certificates
# Enable the service by editing the config: /etc/config/z-connector

# The config has following format (remove leading # below)

#config service zagent
#   option Enabled  '0'
##  option Device   '/dev/ttyUSB0'
##  option Server   'z-cloud.z-wave.me'
##  option CaCert   '/etc/z-connector/Certificates/cacert.pem'
##  option Cert '/etc/z-connector/Certificates/cert.pem'
##  option Key  '/etc/z-connector/Certificates/cert.key'
##  option Log  'syslog'
##  option Port '9087'

# Copyright (c) 2012 by Alexey N. Vinogradov (a.n.vinogradov@gmail.com)


START=50

NAME="z-connector"
EXECUTABLE="z-agent"
SERVICE_DAEMONIZE=1
SERVICE_WRITE_PID=1
PROG="/bin/$EXECUTABLE"

start() {
    local section="zagent"
    local pid_file="/var/run/${NAME}.pid"
    config_load ${NAME}

    #check if the service is enabled
    local enabled
    config_get_bool enabled "${section}" Enabled 0
    if [ "${enabled}" -eq 0 ] ; then
        echo "Service is disabled. Edit your config to enable"
        return 1
    fi

    local args=""
    local val
    config_get val "${section}" Device "/dev/ttyUSB0"
    if [ -e "${val}" ] ; then
        append args "-d ${val}"
    else
        echo "you must specify path to the serial port of Z-Wave as 'Device' in config"
        return 1
    fi

    config_get val "${section}" Server "z-cloud.z-wave.me"
    if [ "z${val}"!="z" ] ; then
        append args "-s ${val}"
    else
        echo "you must specify IP address or host name to connect to 'Server' in config"
        return 1
    fi
    config_get val "${section}" Port 0
    [ "${val}" -ne 0 ] && append args "-P $val"

    local certs="/etc/z-connector/Certificates"
    config_get val "${section}" Cert "$certs/cert.pem"
    [ -f "${val}" ] && append args "--cert=$val"
    config_get val "${section}" Key "$certs/cert.key"
    [ -f "${val}" ] && append args "--key=$val"
    config_get val "${section}" CaCert "$certs/cacert.pem"
    [ -f "${val}" ] && append args "--cacert=$val"
    config_get val "${section}" Log syslog
    append args "-L ${val}"
    config_get_bool val "${section}" Debug 0
    [ "${val}" -eq 1 ] && append args "--debug"

    SERVICE_PID_FILE="$pid_file" service_start ${PROG} ${args}
}

stop()
{
    local pid_file="/var/run/${NAME}.pid"
    SERVICE_PID_FILE="$pid_file" service_stop ${PROG} && {
        rm -f ${pid_file}
    }
}