###########################################################################

# $Id$

###########################################################################

# Copyright (c) 2013 Brian Masney

# Covered under the included MIT/X-Consortium License:

#    http://www.opensource.org/licenses/mit-license.php

# Permission is hereby granted, free of charge, to any person obtaining a

# copy of this software and associated documentation files (the "Software"),

# to deal in the Software without restriction, including without limitation

# the rights to use, copy, modify, merge, publish, distribute, sublicense,

# and/or sell copies of the Software, and to permit persons to whom the

# Software is furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included

# in all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

###########################################################################

my %commands;

my %stages;

my %unknown;

while (defined($ThisLine = <STDIN>)) {

    chomp($ThisLine);

    next if $ThisLine =~ /^starting up, listening on /;

    next if $ThisLine =~ /OPEN SESAME$/;

    next if $ThisLine =~ /: sequence timeout /;

    ($name, $command) = $ThisLine =~ /^(.*?): running command: (.*)/;

    if (defined($name)) {

        $commands{"$name: $command"}++;

        next;

    }

    ($ip, $name, $stage) = $ThisLine =~ /^(\d+\.\d+\.\d+\.\d+): (.*?): Stage (\d+)/;

    if (defined ($ip)) {

        $stages{$name}{$stage}{$ip}++;

        next;

    }

    $unknown{$ThisLine}++;

}

if (keys %stages) {

    print "knockd stages reached\n";

    foreach my $name (sort keys %stages) {

        print "\t$name\n";

        foreach my $stage (sort keys %{$stages{$name}}) {

            print "\t\tStage $stage\n";

            foreach my $ip (sort keys %{$stages{$name}{$stage}}) {

                print "\t\t\tFrom $ip: " . $stages{$name}{$stage}{$ip} . " time(s)\n";

            }

        }

    }

}

if (keys %commands) {

    print "\n";

    print "knockd commands executed\n";

    foreach my $command (sort keys %commands) {

        print "\t" . $commands{$command} . " time(s): $command\n";

    }

}

if (keys %unknown) {

    print "\n";

    print "knockd unknown log entries\n";

    foreach my $line (sort keys %unknown) {

        print "\t" . $unknown{$line} . " time(s): $line\n";

    }

}