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package Watchdog::HTTP; |
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165962
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use strict; |
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use Alias; |
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use base qw(Watchdog::Base); |
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use HTTP::Request; |
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use LWP::UserAgent; |
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use vars qw($VERSION $HOST $PORT $FILE); |
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$VERSION = '0.02'; |
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=head1 NAME |
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Watchdog::HTTP - Test status of HTTP service |
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=head1 SYNOPSIS |
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use Watchdog::HTTP; |
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$h = new Watchdog::HTTP($name,$host,$port,$file); |
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print $h->id, $h->is_alive ? ' is alive' : ' is dead', "\n"; |
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=head1 DESCRIPTION |
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B is an extension for monitoring an HTTP server. |
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=cut |
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my($name,$port,$file) = ('httpd',80,''); |
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=head1 CLASS METHODS |
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=head2 new($name,$host,$port,$file) |
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Returns a new B object. I<$name> is a string which |
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will identify the service to a human (default is 'httpd'). I<$host> |
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is the hostname which is running the service (default is 'localhost'). |
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I<$port> is the port on which the service listens (default is 80). |
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=cut |
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sub new($$$) { |
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my $proto = shift; |
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my $class = ref($proto) || $proto; |
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$_[0] = $name unless defined($_[0]); |
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$_[2] = $port unless defined($_[2]); |
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my $self = bless($class->SUPER::new(@_),$class); |
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return $self; |
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} |
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#------------------------------------------------------------------------------ |
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=head1 OBJECT METHODS |
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=head2 is_alive() |
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Returns true if an HTTP B method succeeds for the URL |
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B or false if it doesn't. |
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=cut |
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sub is_alive() { |
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my $self = attr shift; |
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my $request = new HTTP::Request(GET => "http://$HOST:$PORT/$FILE"); |
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my $ua = new LWP::UserAgent; |
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my $response = $ua->request($request); |
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return $response->is_success ? 1 : 0; |
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} |
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#------------------------------------------------------------------------------ |
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=head1 SEE ALSO |
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L |
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=head1 AUTHOR |
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new Maintainer: Clemens Gesell Eclemens.gesell@vegatron.orgE |
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Paul Sharpe Epaul@miraclefish.comE |
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=head1 COPYRIGHT |
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Copyright (c) 1998 Paul Sharpe. England. All rights reserved. This |
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program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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=cut |