#!/usr/bin/perl # -*- Mode: perl; indent-tabs-mode: nil -*- use CGI::Carp qw(fatalsToBrowser); use CGI::Request; use POSIX qw(strftime); use strict; my $req = new CGI::Request; # incoming query string has the form: "?value=n&data=p:q:r...&tbox=foopy" # where 'n' is the average recorded time, and p,q,r... are the raw numbers, # and 'tbox' is a name of a tinderbox use vars qw{$value $data $tbox $testname $ua $ip $time}; $value = $req->param('value'); $data = $req->param('data'); # Opaque data, anything can go here. $tbox = $req->param('tbox'); $tbox =~ tr/A-Z/a-z/; $testname = $req->param('testname'); $ua = $req->cgi->var("HTTP_USER_AGENT"); $ip = $req->cgi->var("REMOTE_ADDR"); $time = strftime "%Y:%m:%d:%H:%M:%S", localtime; # Testing, please leave this here. # $value = "1234"; #$req->param('value'); # $data = "1:2:3:4"; #$req->param('data'); # $tbox = "lespaul"; #$tbox =~ tr/A-Z/a-z/; # $testname = "startup"; #$req->param('testname'); # $ua = "ua"; #$req->cgi->var("HTTP_USER_AGENT"); # $ip = "1.2.3.4"; #$req->cgi->var("REMOTE_ADDR"); # $time = "now"; #strftime "%Y:%m:%d:%H:%M:%S", localtime; print "Content-type: text/plain\n\n"; for (qw{value data tbox testname ua ip time}) { no strict 'refs'; printf "%10s = %s\n", $_, $$_; } # close HTTP transaction, and then decide whether to record data # # XXXX I had to comment this out, not sure why. startup version # of this cgi had this and worked. -mcafee #close(STDOUT); #my %nametable = read_config(); # punt fake inputs #die "Yer a liar" # unless $ip eq $nametable{$tbox} or $ip eq '208.12.39.125'; #die "No 'real' browsers allowed: $ua" # unless $ua =~ /^(libwww-perl|PERL_CGI_BASE)/; die "No 'value' parameter supplied" unless (defined $value); # Allow for value=0 die "No 'testname' parameter supplied" unless $testname; die "No 'tbox' parameter supplied" unless $tbox; die "No 'data' parameter supplied" unless $data; # Test for dirs. unless (-d "db") { mkdir("db", 0755); } unless (-d "db/$testname") { mkdir("db/$testname", 0755); } # If file doesn't exist, try creating empty file. my $datafile = "db/$testname/$tbox"; unless (-f $datafile) { open(FILE, "> $datafile") || die "Can't create new file $datafile: $!"; close(FILE); } # Record data. open(FILE, ">> $datafile") || die "Can't open $datafile: $!"; print FILE "$time\t$value\t$data\t$ip\t$tbox\t$ua\n"; close(FILE); # Compute and record moving average. # Use last 10 points, including the data we are recieving here. my $num_pts = 10; # Run through the data file, count data points. my $total_pts = 0; open(FILE, "db/$testname/$tbox"); while () { $total_pts++; } close(FILE); # Don't compute average unless we have enough points. if($total_pts >= $num_pts) { # Add up last 10 data points, get the average. my $i = 0; my @line_array; my $sum = 0; open(FILE, "db/$testname/$tbox"); while () { if($i >= ($total_pts - $num_pts)) { @line_array = split("\t","$_"); $sum += $line_array[1]; } $i++; } my $avg = $sum/$num_pts; close(FILE); # If average datafile doesn't exist, try creating empty file. my $datafile_avg = $datafile . "_avg"; unless (-f $datafile_avg) { open(FILE, "> $datafile_avg") || die "Can't create new file $datafile_avg: $!"; close(FILE); } # Write the data. open(FILE, ">> $datafile_avg") || die "Can't open $datafile_avg: $!"; print FILE "$time\t$avg\n"; close(FILE); } exit 0; #sub read_config() { # my %nametable; # open(CONFIG, "< db/config.txt") || # die "can't open config.txt: $!"; # while () { # next if /^$/; # next if /^#|^\s+#/; # s/\s+#.*$//; # my ($tinderbox, $assigned_ip) = split(/\s+/, $_); # $nametable{$tinderbox} = $assigned_ip; # } # return %nametable; #}