SNMP编程

开发平台：

C/C++

tcnowstat：源码内容

							#!/bin/bash
grep_it() {
  value="`cat $TEMP_FILE | head -$1 | tail -1`"
  perc="`expr "$value" * 100 / "${MAXB:=1}"`"
  color=""
  if [ ${perc:=0} -ge 90 ]
  then
    color=" bgcolor=red"
  elif [ ${perc:=0} -ge 80 ]
  then
    color=" bgcolor=yellow"
  elif [ ${perc:=0} -le 25 ]
  then
    color=" bgcolor=cyan"
  else
    color=" bgcolor=lightgreen"
  fi
  echo "      <td>$value</td><td$color>${perc}%</td>"
}
###############################################################################
export DIR=/usr/local/mrtg-2.8.12/local-config/www/tcusercount
export MACH="`echo "$1" | sed -e 's/+/_/g'`"
export MAXB="$2"
export TEMP_FILE=/tmp/tcnowstat.$$
###############################################################################
if [ ! -r "$DIR/${MACH}.html" ]
then
  exit
fi
cat "$DIR/${MACH}.html" |   
  grep '<!-- ' |           
  grep "in " |              
  cut -d' ' -f4 >$TEMP_FILE
trap "rm -f $TEMP_FILE ; exit" 1 2 15
echo ""
echo "  <table border>"
echo "    <tr>"
echo "      <td></td>"
echo "      <td colspan=2 align=center>Max</td>"
echo "      <td colspan=2 align=center>Avg</td>"
echo "      <td colspan=2 align=center>Now</td>"
echo "    </tr>"
echo "    <tr>"
echo "      <td>Day</td>"
grep_it 1
grep_it 2
grep_it 3
echo "    </tr>"
echo "    <tr>"
echo "      <td>Week</td>"
grep_it 4
grep_it 5
grep_it 6
echo "    </tr>"
echo "    <tr>"
echo "      <td>Month</td>"
grep_it 7
grep_it 8
grep_it 9
echo "    </tr>"
echo "    <tr>"
echo "      <td>Year</td>"
grep_it 10
grep_it 11
grep_it 12
echo "    </tr>"
echo "  </table>"
echo ""
trap - 1 2 15
rm -f $TEMP_FILE 2>/dev/null

						