Shell Programming and Scripting

#!/bin/sh

PATH=/adm/bin:/bin:/usr/bin
export PATH

. /adm/libexec/nagios/utils.sh

print_help() {
}

print_usage() {
}


status_out=/tmp/sms-status.out
thresh_warn=5000
thresh_crit=15000
host=www.fast-com.de
url=/gsm/status.php


while test -n "$1"; do
  case "$1" in
    --help|-h)
      print_help
      exit $STATE_OK
      ;;
    --version|-V)
      print_revision
      exit $STATE_OK
      ;;
    --warning|-w)
      thresh_warn=$2
      shift
      ;;
    --critical|-c)
      thresh_crit=$2
      shift
      ;;
    --host|-H)
      host=$2
      shift
      ;;
    --url|-u)
      url=$2
      shift
      ;;
    *)
      $ECHO "Unknown argument: $1"
      print_usage
      exit $STATE_UNKNOWN
      ;;
  esac
  shift
done


rm -f $status_out
t=$(time 2>&1 -p wget --quiet --post-data='username=xxxxxx&password=xxxx&id=xxxxx' --no-check-certificate --output-document=$status_out --timeout=30 "https://${host}${url}" | perl -ne 'print int($1 * 1000) if /^real (\S+)/')

if [ ".$t" != . ]; then
  if [ -s $status_out ]; then
    result="ok"
    exitstatus=$STATE_OK
    if [ $t -ge $thresh_warn ]; then
      result="warning"
      exitstatus=$STATE_WARNING
    fi
    if [ $t -ge $thresh_crit ]; then
      result="critical"
      exitstatus=$STATE_CRITICAL
    fi
  else
    result="critical"
    exitstatus=$STATE_CRITICAL
  fi
else
  result="critical"
  exitstatus=$STATE_CRITICAL
fi

echo "REQUEST $result - $t ms | rtt=$t"
exit $exitstatus

 
1. if [ ".$t" != . ]; then

2. if [ -s $status_out ]; then

3. if [ $t -ge $thresh_warn ]; then