mozilla
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pjs
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pjs/webtools/graph/graph.cgi

299 строки
8.0 KiB
Perl
Executable File
Исходник Ответственный История

#!/usr/bin/perl
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Mozilla graph tool.
#
# The Initial Developer of the Original Code is AOL Time Warner, Inc.
#
# Portions created by AOL Time Warner, Inc. are Copyright (C) 2001
# AOL Time Warner, Inc. All Rights Reserved.
#
# Contributor(s):
# Chris McAfee <mcafee@mocha.com>
# John Morrison <jrgm@liveops.com>
#
#
# Basic graph cgi, wrapper for gnuplot that generates a png file.
# Download gnuplot here: http://www.gnuplot.info/download.html
#
# OSX 10.3 (possibly 10.4) needs to install libpng, gnuplot from sourceforge.
#
#
# These are the perl modules we went with at the time, there are probably
# more-standard packages now.
#
use CGI::Carp qw(fatalsToBrowser); # CPAN
use CGI::Request; # http://stein.cshl.org/WWW/software/CGI::modules/
use Date::Calc qw(Add_Delta_Days); # CPAN, or http://www.engelschall.com/u/sb/download/Date-Calc/
my $req = new CGI::Request;
# Clean CGI arguments and assign. Set them to '' unless they meet the required format.
my $TESTNAME = lc($req->param('testname'));
my $UNITS = lc($req->param('units'));
my $TBOX = lc($req->param('tbox'));
my $AUTOSCALE = lc($req->param('autoscale'));
my $SIZE = lc($req->param('size'));
my $DAYS = lc($req->param('days'));
my $LTYPE = lc($req->param('ltype'));
my $POINTS = lc($req->param('points'));
my $SHOWPOINT = lc($req->param('showpoint'));
my $AVG = lc($req->param('avg'));
$TESTNAME = '' unless $TESTNAME =~ m/^[-_\.\w\d]+$/;
$UNITS = '' unless $UNITS =~ m/^[\w]+$/;
$TBOX = '' unless $TBOX =~ m/^[-_\.\w\d]+$/;
$AUTOSCALE = '' unless $AUTOSCALE =~ m/^[01]$/;
$SIZE = '' unless $SIZE =~ m/^\d*\.?\d*/;
$DAYS = '' unless $DAYS =~ m/^\d*$/;
$LTYPE = '' unless $LTYPE =~ m/^(?:lines|steps)$/;
$POINTS = '' unless $POINTS =~ m/^[01]$/;
$SHOWPOINT = '' unless $SHOWPOINT =~ m/^(?:\d+:){5}\d+,\d+$/;
$AVG = '' unless $AVG =~ m/^[01]$/;
my $DATAFILE = "db/$TESTNAME/$TBOX";
my $DATAFILE_AVG = $DATAFILE . "_avg";
sub make_filenames_list {
my ($dir) = @_;
my @result;
if (-d "$dir") {
chdir "$dir";
while(<*>) {
if( $_ ne 'config.txt' ) {
push @result, $_;
}
}
chdir "../..";
}
return @result;
}
# Print out a list of testnames in db directory if machine arg is blank.
sub print_testnames {
my ($testname) = @_;
# HTTP header
print "Content-type: text/html\n\n<HTML>\n";
print "<title>testnames</title>";
print "<center><h2><b>testnames</b></h2></center>";
print "<p><table width=\"100%\">";
print "<tr><td align=center>Select one of the following tests:</td></tr>";
print "<tr><td align=center>\n";
print " <table><tr><td><ul>\n";
my @machines = make_filenames_list("db");
my $machines_string = join(" ", @machines);
foreach (@machines) {
print "<li><a href=graph.cgi?&testname=$_$testname>$_</a>\n";
}
print "</ul></td></tr></table></td></tr></table>";
}
# Print out a list of machines in db/<testname> directory if testname is blank.
sub print_machines {
my ($testname) = @_;
# HTTP header
print "Content-type: text/html\n\n<HTML>\n";
print "<title>$TESTNAME machines</title>";
print "<center><h2><b>$TESTNAME machines:</b></h2></center>";
print "<p><table width=\"100%\">";
print "<tr><td align=center>Select one of the following machines:</td></tr>";
print "<tr><td align=center>\n";
print " <table><tr><td><ul>\n";
my @machines = make_filenames_list("db/$testname");
my $machines_string = join(" ", @machines);
foreach (@machines) {
print "<li><a href=graph.cgi?tbox=$_&testname=$testname&autoscale=0&days=0>$_</a>\n";
}
print "</ul></td></tr></table></td></tr></table>";
}
sub show_graph {
die "$TBOX: no data file found."
unless -e $DATAFILE;
my $PNGFILE = "/tmp/gnuplot.$$";
# Find gnuplot, sorry this is for solaris.
my $gnuplot;
if(-f "/usr/bin/gnuplot") {
$gnuplot = "/usr/bin/gnuplot";
} elsif(-f "/usr/local/bin/gnuplot") {
$gnuplot = "/usr/local/bin/gnuplot";
$ENV{LD_LIBRARY_PATH} .= "/usr/local/lib";
} else {
die "Can't find gnuplot.";
}
# Set scaling for x-axis (time)
my $xscale;
my $today;
my $n_days_ago;
# Get current time, $today.
my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdat) = localtime();
$year += 1900;
$mon += 1;
$today = sprintf "%04d:%02d:%02d:%02d:%02d:%02d", $year, $mon, $mday, $hour, $min, $sec;
# Calculate date $DAYS before $today.
my ($year2, $mon2, $mday2) = Add_Delta_Days($year, $mon, $mday, -$DAYS);
$n_days_ago= sprintf "%04d:%02d:%02d:%02d:%02d:%02d", $year2, $mon2, $mday2, $hour, $min, $sec;
if($DAYS) {
# Assume we want to see 7 days on the graph, so we set the max value also.
$xscale = "set xrange [\"$n_days_ago\" : \"$today\"]";
} else {
$xscale = "";
}
# Set scaling for y-axis.
my $yscale;
if($AUTOSCALE) {
$yscale = "";
} else {
$yscale = "set yrange [ 0 : ]";
}
# Set graph size. Default is (1.0, 1.0).
my $graph_size;
if($SIZE) {
$graph_size = "set size $SIZE, $SIZE";
} else {
$graph_size = "";
}
# Set units. Assume ms unless otherwise specified.
unless($UNITS =~ /^\w+$/) {
$UNITS = "ms";
}
my $ltype = "lines";
if($LTYPE eq "steps") {
$ltype = "steps";
}
my $plot_cmd;
if($POINTS) {
# lt <point-color>
$plot_cmd = "plot \"$DATAFILE\" using 1:2 with $ltype, \"$DATAFILE\" using 1:2 with points ls 1";
} else {
$plot_cmd = "plot \"$DATAFILE\" using 1:2 with $ltype";
}
# Highlight a point, e.g. 2002:03:21:06:52:28,4087
if($SHOWPOINT) {
my @xy = split(",",$SHOWPOINT);
my $file = "db/$TESTNAME/point.$$";
open POINTFILE, '>', $file;
print POINTFILE "$xy[0]\t$xy[1]\n";
close POINTFILE;
$plot_cmd .= qq|, "$file" using 1:2 with points ls 4|;
}
if (($AVG) and (-e $DATAFILE_AVG)) {
$plot_cmd .= ", \"$DATAFILE_AVG\" using 1:2 with lines ls 3";
#$plot_cmd .= ", \"$DATAFILE_AVG\" using 1:2 smooth bezier ls 3";
}
# interpolate params into gnuplot command
# Removing set format x, let gnuplot figure this out.
#
# ls 1 = small blue points
# ls 2 = larger blue points
#
# lt: 0=grey, 1=red, 2=green, 3=blue, 4=cyan, 5=magenta, 6=yellow,
# 7=dk.red, 8=dk.green, 9=dk.blue
#
# gnuplot 3.7: "linestyle"
# gnuplot 4.0: "style line"
#
my $cmds = qq{
reset
$graph_size
set term png color
set output "$PNGFILE"
set title "$TBOX $TESTNAME"
set key graph 0.1,0.95 reverse spacing .75 width -18
set linestyle 1 lt 3 lw 1 pt 7 ps .5
set linestyle 2 lt 3 lw 1 pt 7 ps 1
set linestyle 3 lt 3 lw 1
set linestyle 4 lt 8 lw 1 pt 7 ps 3
set data style points
set timefmt "%Y:%m:%d:%H:%M:%S"
set xdata time
$xscale
$yscale
set ylabel "$TESTNAME ($UNITS)"
set timestamp "Generated: %d/%b/%y %H:%M" 0,-1
set nokey
set grid
$plot_cmd
$plot_cmd2
};
# plot "$DATAFILE" using 1:2 with points ps 1, "$DATAFILE" using 1:2 with lines ls 2
# Set up command string for gnuplot
open (GNUPLOT, "| $gnuplot") || die "can't fork: $!";
print GNUPLOT $cmds;
close (GNUPLOT) || die "Empty data set? Gnuplot failed to set up the plot command string : $!";
# Actually do the gnuplot command.
open (GNUPLOT, '<', $PNGFILE) || die "can't read: $!";
{ local $/; $blob = <GNUPLOT>; }
close (GNUPLOT) || die "can't close: $!";
unlink $PNGFILE || die "can't unlink $PNGFILE: $!";
# Cleanup generated files.
if($SHOWPOINT) {
unlink("db/$TESTNAME/point.$$");
}
print "Content-type: image/png\n\n";
print $blob;
}
# main
{
if(!$TESTNAME) {
print_testnames();
} elsif(!$TBOX) {
print_machines($TESTNAME);
} else {
show_graph();
}
}
exit 0;
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