Current File : //proc/985914/root/usr/share/doc/rrdtool/examples/ifOctets.tcl
#!/usr/bin/env tclsh8.6
#package require Tnm 3.0
package require Rrd 1.7.2
set rrdfile "[lindex $argv 0]-[lindex $argv 1].rrd"
# create rrdfile if not yet existent
if {[file exists $rrdfile] == 0} {
Rrd::create $rrdfile --step 5 \
DS:inOctets:COUNTER:10:U:U DS:outOctets:COUNTER:10:U:U \
RRA:AVERAGE:0.5:1:12
}
# get an snmp session context
set session [Tnm::snmp generator -address [lindex $argv 0]]
# walk through the ifDescr column to find the right interface
$session walk descr IF-MIB!ifDescr {
# is this the right interface?
if {"[Tnm::snmp value $descr 0]" == "[lindex $argv 1]"} {
# get the instance part of this table row
set inst [lindex [Tnm::mib split [Tnm::snmp oid $descr 0]] 1]
# get the two interface's octet counter values
set in [lindex [lindex [$session get IF-MIB!ifInOctets.$inst] 0] 2]
set out [lindex [lindex [$session get IF-MIB!ifOutOctets.$inst] 0] 2]
# write the values to the rrd
puts "$in $out"
Rrd::update $rrdfile --template inOctets:outOctets N:$in:$out
Rrd::graph gaga.png --title "gaga" \
DEF:in=$rrdfile:inOctets:AVERAGE \
DEF:out=$rrdfile:outOctets:AVERAGE \
AREA:in#0000FF:inOctets \
LINE2:out#00C000:outOctets
#puts [Rrd::fetch $rrdfile AVERAGE]
}
}
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