/[Frey]/trunk/lib/Frey/Server.pm
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Contents of /trunk/lib/Frey/Server.pm

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Revision 60 - (show annotations)
Tue Jul 8 12:20:08 2008 UTC (15 years, 9 months ago) by dpavlin
File size: 3022 byte(s)
skeleton of server-side object browser
1 package Frey::Server;
2
3 use Moose;
4
5 use Continuity;
6 #use Continuity::REPL;
7 use Continuity::Widget::DomNode;
8 use Data::Dump qw/dump/;
9
10 use Frey;
11 use Frey::Introspect;
12 use Frey::ObjectBrowser;
13
14 my @messages; # Global (shared) list of messages
15 my $got_message; # Flag to indicate that there is a new message to display
16
17 use vars qw( $repl $server );
18
19 #$repl = Continuity::REPL->new;
20 $server = Continuity->new(
21 port => 16001,
22 path_session => 1,
23 cookie_session => 'sid',
24 callback => \&main,
25 debug_level => 1,
26 staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?)$/ },
27 );
28
29 sub run {
30 $server->loop;
31 }
32
33 # This is the main entrypoint. We are looking for one of three things -- a
34 # pushstream, a sent message, or a request for the main HTML. We delegate each
35 # of these cases, none of which will return (they all loop forever).
36 sub main {
37 my ($req) = @_;
38
39 my $path = $req->request->url->path;
40 warn "REQUEST: $path\n";
41
42 warn $req->request->header('User_Agent');
43 #warn dump( $req );
44
45 if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {
46 my $f = Frey::Introspect->new( package => $1 );
47 $f->html( $req );
48 }
49
50 if ( $path =~ m!/ob/([^/]+)(?:/([^/]*))?! ) {
51 my $f = Frey::ObjectBrowser->new;
52 $f->html( $req );
53 }
54 # If this is a request for the pushtream, then give them that
55 if($path =~ /pushstream/) {
56 pushstream($req);
57 }
58
59 # If they are sending us a message, we give them a thread for that too
60 if($path =~ /sendmessage/) {
61 send_message($req);
62 }
63
64 while ( 1 ) {
65 my $f = Frey->new;
66 my $classes = Continuity::Widget::DomNode->create(
67 ul => [
68 map {
69 warn dump( $_ );
70 my ( $package, $path ) = %$_;
71 ( li => [ a => { href => '/~/' . $package . '/' } => [ $package ], " <tt>$path</tt>" ] )
72 } @{ $f->classes }
73 ],
74 )->to_string;
75 $req->print( $classes );
76 $req->next;
77 }
78 }
79
80 # Here we accept a connection to the browser, and keep it open. Meanwhile we
81 # watch the global $got_message variable, and when it gets touched we send off
82 # the list of messages through the held-open connection. Then we let the
83 # browser open a new connection and begin again.
84 sub pushstream {
85 my ($req) = @_;
86 # Set up watch event -- this will be triggered when $got_message is written
87 my $w = Coro::Event->var(var => \$got_message, poll => 'w');
88 while(1) {
89 print STDERR "**** GOT MESSAGE, SENDING ****\n";
90 my $log = join "<br>", @messages;
91 $req->print($log);
92 $req->next;
93 print STDERR "**** Waiting for got_message indicator ****\n";
94 $w->next;
95 }
96 }
97
98
99 # Watch for the user to send us a message. As soon as we get it, we add it to
100 # our list of messages and touch the $got_message flag to let all the
101 # pushstreams know.
102 sub send_message {
103 my ($req) = @_;
104 while(1) {
105 my $msg = $req->param('message');
106 my $name = $req->param('username');
107 if($msg) {
108 unshift @messages, "$name: $msg";
109 pop @messages if $#messages > 15; # Only keep the recent 15 messages
110 }
111 $got_message = 1;
112 $req->print("Got it!");
113 $req->next;
114 }
115 }
116
117 1;

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