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kamailio-config-tests/bin/graph_flow.pl

110 lines
2.6 KiB

#!/usr/bin/env perl
#
# Copyright: 2013 Sipwise Development Team <support@sipwise.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This package is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# On Debian systems, the complete text of the GNU General
# Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".
#
use 5.014;
use strict;
use warnings;
use Cwd 'abs_path';
use Data::Dumper;
use GraphViz;
use Getopt::Long;
use English;
sub usage
{
my $output = "usage: graph_flow.pl [-h] [-j] file_in file_out.png\n";
$output .= "Options:\n";
$output .= "\t-h: this help\n";
$output .= "\t-j: file_in is json\n";
return $output;
}
my $help = 0;
my $json_in = 0;
GetOptions ("h|help" => \$help, "j|json" => \$json_in)
or die("Error in command line arguments\n".usage());
if($#ARGV!=1)
{
die(usage());
}
my $g = GraphViz->new();
my $filename = abs_path($ARGV[0]);
my $outfilename = $ARGV[1];
my $inlog;
if($json_in) {
use utf8;
use JSON;
my $json;
{
local $INPUT_RECORD_SEPARATOR = undef; #Enable 'slurp' mode
open my $fh, "<", $filename;
$json = <$fh>;
close $fh;
}
$inlog = decode_json($json);
}
else {
use YAML;
$inlog = YAML::LoadFile($filename);
}
my @prevs = ();
my $name = '';
my $action = '';
my $prev;
my $cont = 1;
$g->add_node(name => 'END', shape =>'box');
foreach my $i (@{$inlog->{'flow'}})
{
foreach my $key (keys %{$i})
{
#print "$key\n";
if(($action, $name) = ($key =~ m/(start|exit|drop|return)\|(\w+)/))
{
if ($action eq "start")
{
$prev = $prevs[-1];
if ($prev)
{
$g->add_node(name => $name);
$g->add_edge( $prev => $name, label => $cont++);
}
else
{
$g->add_node(name => $name, shape=> 'diamond');
}
push(@prevs, $name);
}
else
{
pop(@prevs); # this is me.
$prev = $prevs[-1];
if ($action eq "return") { $g->add_edge($name => $prev, label => $cont++); }
else { @prevs = (); $g->add_edge($name => 'END', label => $cont++); }
}
}
}
}
$g->as_png($outfilename);
#EOF