/[meteor]/googlecode.com/svn/trunk/Meteor/Controller.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /googlecode.com/svn/trunk/Meteor/Controller.pm

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Revision 3 - (hide annotations)
Mon Nov 20 17:59:30 2006 UTC (13 years, 2 months ago) by andrew.betts
File size: 3504 byte(s)
Initial import
1 andrew.betts 3 #!/usr/bin/perl -w
2     ###############################################################################
3     # Meteor
4     # An HTTP server for the 2.0 web
5     # Copyright (c) 2006 contributing authors
6     #
7     # Subscriber.pm
8     #
9     # Description:
10     # A Meteor Controller
11     #
12     ###############################################################################
13     #
14     # This program is free software; you can redistribute it and/or modify it
15     # under the terms of the GNU General Public License as published by the Free
16     # Software Foundation; either version 2 of the License, or (at your option)
17     # any later version.
18     #
19     # This program is distributed in the hope that it will be useful, but WITHOUT
20     # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
21     # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
22     # more details.
23     #
24     # You should have received a copy of the GNU General Public License along
25     # with this program; if not, write to the Free Software Foundation, Inc.,
26     # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27     #
28     # For more information visit www.meteorserver.org
29     #
30     ###############################################################################
31    
32     package Meteor::Controller;
33     ###############################################################################
34     # Configuration
35     ###############################################################################
36    
37     use strict;
38    
39     use Meteor::Connection;
40     use Meteor::Channel;
41    
42     @Meteor::Controller::ISA=qw(Meteor::Connection);
43    
44     ###############################################################################
45     # Instance methods
46     ###############################################################################
47     sub processLine {
48     my $self=shift;
49     my $line=shift;
50    
51     # ADDMESSAGE channel1 Message text
52     # < OK
53     # ADDMESSAGE
54     # < ERR Invalid command syntax
55     # COUNTSUBSCRIBERS channel1
56     # < OK 344
57    
58     unless($line=~s/^(ADDMESSAGE|COUNTSUBSCRIBERS|LISTCHANNELS|QUIT)//)
59     {
60     $self->write("ERR Invalid command syntax$::CRLF");
61    
62     return;
63     }
64    
65     my $cmd=$1;
66    
67     if($cmd eq 'ADDMESSAGE')
68     {
69     unless($line=~s/^\s+(\S+)\s//)
70     {
71     $self->write("ERR Invalid command syntax$::CRLF");
72    
73     return;
74     }
75    
76     my $channelName=$1;
77     my $channel=Meteor::Channel->channelWithName($channelName);
78     $channel->addMessage($line);
79     $self->write("OK$::CRLF");
80     }
81     elsif($cmd eq 'COUNTSUBSCRIBERS')
82     {
83     unless($line=~s/^\s+(\S+)$//)
84     {
85     $self->write("ERR Invalid command syntax$::CRLF");
86    
87     return;
88     }
89    
90     my $channelName=$1;
91     my $numSubscribers=0;
92     my $channel=Meteor::Channel->channelWithName($channelName,1);
93     $numSubscribers=$channel->subscriberCount() if($channel);
94    
95     $self->write("OK $numSubscribers$::CRLF");
96     }
97     elsif($cmd eq 'LISTCHANNELS')
98     {
99     unless($line eq '')
100     {
101     $self->write("ERR Invalid command syntax$::CRLF");
102    
103     return;
104     }
105    
106     my $txt="OK$::CRLF".Meteor::Channel->listChannels()."--EOT--$::CRLF";
107    
108     $self->write($txt);
109     }
110     elsif($cmd eq 'QUIT')
111     {
112     unless($line eq '')
113     {
114     $self->write("ERR Invalid command syntax$::CRLF");
115    
116     return;
117     }
118    
119     $self->write("OK$::CRLF");
120     $self->close(1);
121     }
122     else
123     {
124     # Should never get here
125     die("Unknown command '$cmd'");
126     }
127     }
128    
129     sub close {
130     my $self=shift;
131     my $noShutdownMsg=shift;
132    
133     unless($noShutdownMsg || $self->{'remoteClosed'})
134     {
135     my $msg=$::CONF{'ControllerShutdownMsg'};
136     if(defined($msg) && $msg ne '')
137     {
138     $self->write($msg);
139     }
140     }
141    
142     $self->SUPER::close();
143     }
144    
145     1;
146     ############################################################################EOF

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