Initial commit

getStats.sh

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+#!/bin/sh
+
+# can add -v for verbose (see headers)
+
+curl -s --cookie "Authorization=Basic%20YWRtaW46MjEyMzJmMjk3YTU3YTVhNzQzODk0YTBlNGE4MDFmYzM%3D" "http://192.168.0.1/VXKQJFBBBVYUWYEA/userRpm/SystemStatisticRpm.htm?interval=5&autoRefresh=2&sortType=1&Num_per_page=20&Goto_page=1"
+

liveplot.gnu

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+datafile = 'liveplot.dat'
+stats datafile skip 1 nooutput
+set xrange [0:100]
+set autoscale y
+set xlabel "Time (s)"
+set ylabel "kB/s"
+plot for [IDX=2:STATS_columns] datafile using 1:IDX with lines t columnheader(IDX)
+pause 5
+reread
+

liveplot.pl

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+#!/opt/local/bin/perl -w
+
+use strict;
+use warnings;
+
+use Storable;
+
+my $TMP_FILE = 'liveplot.tmp';
+my $DAT_FILE = 'liveplot.dat';
+my $TIME_STEP = 5;
+
+
+#Retrieve the byte hash from last invocation
+my %oldBytes;
+%oldBytes = %{retrieve($TMP_FILE)} if -e $TMP_FILE;
+
+while(<>)
+{
+    last if $_ =~ /statList/; # don't do anything until we get to the statList array
+}
+
+my %bytes;
+
+while(<>)
+{
+    last if $_ =~ /;/; # finish at the end of the statList array
+    #Otherwise, pasrse each row which has content: index, IP, MAC, packets, bytes, etc.
+    my @fields = split /, /;
+#    print "$fields[1]\t$fields[4]\n";
+    @bytes{substr $fields[1], 1, -1} = $fields[4];
+}
+
+#print "\nMap\n";
+#print "$_ $bytes{$_}\n" for (sort keys %bytes);
+
+#store for next invocation
+store \%bytes, $TMP_FILE;
+
+#calculate delta between old bytes and this bytes
+my %deltaBytes;
+for (keys %bytes)
+{
+    if(exists $oldBytes{$_})
+    {
+        $deltaBytes{$_} = ($bytes{$_} - $oldBytes{$_}) / (1024 * $TIME_STEP);
+    }
+    else
+    {
+        $deltaBytes{$_} = $bytes{$_} / (1024 * $TIME_STEP);
+    }
+}
+
+#print "\nDelta\n";
+#print "$_ $deltaBytes{$_}\n" for (sort keys %deltaBytes);
+
+# Write or update the gnuplot dat file
+my $datf; # file handle
+my @dat;  # file contents
+
+if(-e $DAT_FILE)
+{
+    open($datf, '<', $DAT_FILE);
+    $dat[0] = [ split " ", <$datf> ]; # header contains all the ips
+    shift @{ $dat[0] }; # get rid of the "time" column
+    for(my $i = 1; <$datf>; $i++)
+    {
+        $dat[$i] = [ split ];
+        shift @{ $dat[$i] }; # get rid of the "time" column
+    }
+    close($datf);
+}
+else # from existing dat file so start from scratch
+{
+    @dat[0] = [ sort keys %deltaBytes ];
+}
+
+#insert the new data
+unshift @dat, $dat[0]; #make room at the start but preseve the header row
+$dat[1] = [ () ]; #blank new row
+
+for my $i ( 0 .. $#{$dat[0]} )
+{
+    #print "pushing value ($deltaBytes{$dat[0][$i]}) for key ($dat[0][$i]).\n";
+    push @{ $dat[1] }, $deltaBytes{$dat[0][$i]};
+}
+
+pop @dat if $#dat > 21; # limit to last 21 values + header row
+
+open $datf, '>', $DAT_FILE;
+
+for my $i ( 0 .. $#dat )
+{
+    if($i == 0)
+    {
+        print { $datf } "time(s) ";
+    }
+    else
+    {
+        print { $datf } ($i-1)*$TIME_STEP . " ";
+    }
+
+    for my $j ( 0 .. $#{$dat[$i]} ) # oh Perl...
+    {
+        print { $datf } "$dat[$i][$j] ";
+        #print "$dat[$i][$j] ";
+    }
+    print { $datf } "\n";
+    #print "\n";
+}
+
+close $datf;
+

liveplot.sh

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+#!/bin/bash
+rm liveplot.dat
+rm liveplot.tmp
+
+echo "Initiasing data. Please wait 10 seconds..."
+
+./resetStats.sh > /dev/null
+sleep 5
+
+getdata()
+{
+    while [ 1 ]
+    do
+        ./getStats.sh | ./liveplot.pl
+#        cat liveplot.dat
+        sleep 5
+    done
+}
+
+getdata &
+# allow a couple of datapoints to arrive before plotting
+sleep 5
+
+echo "Here comes the plot..."
+gnuplot liveplot.gnu
+
+# kill getdata when we exit
+kill -- -$$
+

resetStats.sh

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+#!/bin/sh
+
+# can add -v for verbose (see headers)
+
+curl -s --cookie "Authorization=Basic%20YWRtaW46MjEyMzJmMjk3YTU3YTVhNzQzODk0YTBlNGE4MDFmYzM%3D" "http://192.168.0.1/VXKQJFBBBVYUWYEA/userRpm/SystemStatisticRpm.htm?ResetAll=All&interval=5&autoRefresh=2&sortType=1&Num_per_page=20&Goto_page=1"
+