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#!/usr/bin/perl -w |
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############################################################################### |
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# Meteor |
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# An HTTP server for the 2.0 web |
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# Copyright (c) 2006 contributing authors |
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# |
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# Subscriber.pm |
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# |
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# Description: |
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# A Meteor Controller |
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# |
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############################################################################### |
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# |
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# This program is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License as published by the Free |
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# Software Foundation; either version 2 of the License, or (at your option) |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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# more details. |
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# |
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# You should have received a copy of the GNU General Public License along |
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# with this program; if not, write to the Free Software Foundation, Inc., |
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# For more information visit www.meteorserver.org |
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# |
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############################################################################### |
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|
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package Meteor::Controller; |
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############################################################################### |
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# Configuration |
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############################################################################### |
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|
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use strict; |
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|
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use Meteor::Connection; |
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use Meteor::Channel; |
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use Meteor::Subscriber; |
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|
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@Meteor::Controller::ISA=qw(Meteor::Connection); |
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|
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############################################################################### |
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# Factory methods |
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############################################################################### |
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sub newFromServer { |
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my $class=shift; |
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|
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my $self=$class->SUPER::newFromServer(shift); |
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|
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$::Statistics->{'current_controllers'}++; |
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$::Statistics->{'controller_connections_accepted'}++; |
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|
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$self; |
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} |
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|
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############################################################################### |
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# Instance methods |
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############################################################################### |
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sub processLine { |
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my $self=shift; |
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my $line=shift; |
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|
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# ADDMESSAGE channel1 Message text |
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# < OK |
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# ADDMESSAGE |
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# < ERR Invalid command syntax |
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# COUNTSUBSCRIBERS channel1 |
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# < OK 344 |
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|
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unless($line=~s/^(ADDMESSAGE|COUNTSUBSCRIBERS|LISTCHANNELS|LISTSUBSCRIBERS|LISTCONNECTIONS|DESCRIBE|SHOWSTATS|QUIT)//) |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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|
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return; |
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} |
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|
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my $cmd=$1; |
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|
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if($cmd eq 'ADDMESSAGE') |
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{ |
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unless($line=~s/^\s+(\S+)\s//) |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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|
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return; |
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} |
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|
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my $channelName=$1; |
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my $channel=Meteor::Channel->channelWithName($channelName); |
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my $msg=$channel->addMessage($line); |
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my $msgID=$msg->id(); |
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$self->write("OK\t$msgID$::CRLF"); |
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} |
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elsif($cmd eq 'COUNTSUBSCRIBERS') |
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{ |
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unless($line=~s/^\s+(\S+)$//) |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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return; |
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} |
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|
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my $channelName=$1; |
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my $numSubscribers=0; |
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my $channel=Meteor::Channel->channelWithName($channelName,1); |
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$numSubscribers=$channel->subscriberCount() if($channel); |
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|
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$self->write("OK $numSubscribers$::CRLF"); |
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} |
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elsif($cmd eq 'LISTCHANNELS') |
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{ |
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unless($line eq '') |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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return; |
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} |
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|
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my $txt="OK$::CRLF".Meteor::Channel->listChannels()."--EOT--$::CRLF"; |
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|
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$self->write($txt); |
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} |
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elsif($cmd eq 'LISTSUBSCRIBERS') |
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{ |
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unless($line eq '') |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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return; |
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} |
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|
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my $txt="OK$::CRLF".Meteor::Subscriber->listSubscribers()."--EOT--$::CRLF"; |
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|
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$self->write($txt); |
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} |
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elsif($cmd eq 'LISTCONNECTIONS') |
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{ |
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unless($line eq '') |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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return; |
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} |
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|
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my $txt="OK$::CRLF".Meteor::Connection->listConnections()."--EOT--$::CRLF"; |
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|
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$self->write($txt); |
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} |
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elsif($cmd eq 'DESCRIBE') |
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{ |
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unless($line=~s/^\s+(\S+)$//) |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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return; |
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} |
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|
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my $filenum=$1; |
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my $condesc=Meteor::Connection->describeConnWithFileNum($filenum); |
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if ($condesc != -1) { |
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$self->write("OK$::CRLF"); |
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$self->write($condesc); |
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$self->write("--EOT--$::CRLF"); |
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|
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} else { |
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$self->write("ERR Unknown client$::CRLF"); |
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} |
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} |
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elsif($cmd eq 'SHOWSTATS') |
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{ |
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# uptime |
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my $uptime=time-$::STARTUP_TIME; |
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my $txt="OK$::CRLF"."uptime: $uptime$::CRLF"; |
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|
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# channel_count |
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my $numChannels=Meteor::Channel->numChannels(); |
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$txt.="channel_count: $numChannels$::CRLF"; |
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|
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# connection_count |
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my $numConnections=Meteor::Connection->connectionCount(); |
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$txt.="connection_count: $numConnections$::CRLF"; |
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|
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# subscriber count = current_subscribers + number of pollers in last minute |
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my $now = time; my $numpoll = 0; |
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foreach my $key (keys %{$::Pollers}) { |
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if($::Pollers->{$key} < ($now-60) || Meteor::Subscriber->subscriberExists($key)) { |
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delete $::Pollers->{$key}; |
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} else { |
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$numpoll++; |
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} |
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} |
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my $numsub = 0; |
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if (exists($::Statistics->{'current_subscribers'})) { |
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$numsub = $::Statistics->{'current_subscribers'}; |
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} |
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$txt.="real_subscribers: ".($numpoll+$numsub)."$::CRLF"; |
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|
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foreach my $key (keys %{$::Statistics}) |
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{ |
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$txt.=$key.': '.$::Statistics->{$key}.$::CRLF; |
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} |
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|
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$txt.="--EOT--$::CRLF"; |
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|
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$self->write($txt); |
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} |
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elsif($cmd eq 'QUIT') |
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{ |
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unless($line eq '') |
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{ |
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$self->write("ERR Invalid command syntax$::CRLF"); |
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|
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return; |
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} |
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|
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$self->write("OK$::CRLF"); |
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$self->close(1); |
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} |
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else |
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{ |
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# Should never get here |
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die("Unknown command '$cmd'"); |
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} |
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} |
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|
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sub close { |
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my $self=shift; |
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my $noShutdownMsg=shift; |
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|
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unless($noShutdownMsg || $self->{'remoteClosed'}) |
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{ |
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my $msg=$::CONF{'ControllerShutdownMsg'}; |
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if(defined($msg) && $msg ne '') |
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{ |
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$self->write($msg); |
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} |
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} |
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|
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$self->SUPER::close(); |
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} |
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|
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sub didClose { |
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|
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$::Statistics->{'current_controllers'}--; |
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} |
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|
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1; |
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############################################################################EOF |
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