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#!/usr/local/bin/perl
# ====================================================================
# The Apache Software License, Version 1.1
#
# Copyright (c) 2000 The Apache Software Foundation. All rights
# reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. The end-user documentation included with the redistribution,
# if any, must include the following acknowledgment:
# "This product includes software developed by the
# Apache Software Foundation (http://www.apache.org/)."
# Alternately, this acknowledgment may appear in the software itself,
# if and wherever such third-party acknowledgments normally appear.
#
# 4. The names "Apache" and "Apache Software Foundation" must
# not be used to endorse or promote products derived from this
# software without prior written permission. For written
# permission, please contact apache@apache.org.
#
# 5. Products derived from this software may not be called "Apache",
# nor may "Apache" appear in their name, without prior written
# permission of the Apache Software Foundation.
#
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
# ====================================================================
#
# This software consists of voluntary contributions made by many
# individuals on behalf of the Apache Software Foundation. For more
# information on the Apache Software Foundation, please see
# <http://www.apache.org/>.
#
# Log Server Status
# Mark J Cox, UK Web Ltd 1996, mark@ukweb.com
#
# This script is designed to be run at a frequent interval by something
# like cron. It connects to the server and downloads the status
# information. It reformats the information to a single line and logs
# it to a file. Make sure the directory $wherelog is writable by the
# user who runs this script.
#
require 'sys/socket.ph';
$wherelog = "/var/log/graph/"; # Logs will be like "/var/log/graph/19960312"
$server = "localhost"; # Name of server, could be "www.foo.com"
$port = "80"; # Port on server
$request = "/status/?auto"; # Request to send
sub tcp_connect
{
local($host,$port) =@_;
$sockaddr='S n a4 x8';
chop($hostname=`hostname`);
$port=(getservbyname($port, 'tcp'))[2] unless $port =~ /^\d+$/;
$me=pack($sockaddr,&AF_INET,0,(gethostbyname($hostname))[4]);
$them=pack($sockaddr,&AF_INET,$port,(gethostbyname($host))[4]);
socket(S,&PF_INET,&SOCK_STREAM,(getprotobyname('tcp'))[2]) ||
die "socket: $!";
bind(S,$me) || return "bind: $!";
connect(S,$them) || return "connect: $!";
select(S);
$| = 1;
select(stdout);
return "";
}
### Main
{
$year=`date +%y`;
chomp($year);
$year += ($year < 70) ? 2000 : 1900;
$date = $year . `date +%m%d:%H%M%S`;
chomp($date);
($day,$time)=split(/:/,$date);
$res=&tcp_connect($server,$port);
open(OUT,">>$wherelog$day");
if ($res) {
print OUT "$time:-1:-1:-1:-1:$res\n";
exit 1;
}
print S "GET $request\n";
while (<S>) {
$requests=$1 if ( m|^BusyServers:\ (\S+)|);
$idle=$1 if ( m|^IdleServers:\ (\S+)|);
$number=$1 if ( m|sses:\ (\S+)|);
$cpu=$1 if (m|^CPULoad:\ (\S+)|);
}
print OUT "$time:$requests:$idle:$number:$cpu\n";
}
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