lib/Frey/Server.pm

package Frey::Server;

use Moose;

use Continuity;
#use Continuity::REPL;
use Continuity::Widget::DomNode;
use Data::Dump qw/dump/;

use Frey;
use Frey::Introspect;

my @messages;    # Global (shared) list of messages
my $got_message; # Flag to indicate that there is a new message to display

use vars qw( $repl $server );

#$repl = Continuity::REPL->new;
$server = Continuity->new(
        port => 16001,
        path_session => 1,
        cookie_session => 'sid',
        callback => \&main,
        debug_level => 1,
        staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?)$/ },
);

sub run {
        $server->loop;
}

# This is the main entrypoint. We are looking for one of three things -- a
# pushstream, a sent message, or a request for the main HTML. We delegate each
# of these cases, none of which will return (they all loop forever).
sub main {
        my ($req) = @_;
  
        my $path = $req->request->url->path;
        warn "REQUEST: $path\n";

        warn $req->request->header('User_Agent');
#warn dump( $req );

        if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {
                my $f = Frey::Introspect->new( package => $1 );
                $f->html( $req );
        }

        # If this is a request for the pushtream, then give them that
        if($path =~ /pushstream/) {
                pushstream($req);
        }
  
        # If they are sending us a message, we give them a thread for that too
        if($path =~ /sendmessage/) {
                send_message($req);
        }

        while ( 1 ) {
                my $f = Frey->new;
                my $classes = Continuity::Widget::DomNode->create(
                        ul => [
                                map {
                                        warn dump( $_ );
                                        my ( $package, $path ) = %$_;
                                        ( li => [ a => { href => '/~/' . $package . '/' } => [ $package ], " <tt>$path</tt>" ] )
                                } @{ $f->classes }
                        ],
                )->to_string;
                $req->print( $classes );
                $req->next;
        }
}

# Here we accept a connection to the browser, and keep it open. Meanwhile we
# watch the global $got_message variable, and when it gets touched we send off
# the list of messages through the held-open connection. Then we let the
# browser open a new connection and begin again.
sub pushstream {
  my ($req) = @_;
  # Set up watch event -- this will be triggered when $got_message is written
  my $w = Coro::Event->var(var => \$got_message, poll => 'w');
  while(1) {
    print STDERR "**** GOT MESSAGE, SENDING ****\n";
    my $log = join "<br>", @messages;
    $req->print($log);
    $req->next;
    print STDERR "**** Waiting for got_message indicator ****\n";
    $w->next;
  }
}


# Watch for the user to send us a message. As soon as we get it, we add it to
# our list of messages and touch the $got_message flag to let all the
# pushstreams know.
sub send_message {
  my ($req) = @_;
  while(1) {
    my $msg = $req->param('message');
    my $name = $req->param('username');
    if($msg) {
      unshift @messages, "$name: $msg";
      pop @messages if $#messages > 15; # Only keep the recent 15 messages
    }
    $got_message = 1;
    $req->print("Got it!");
    $req->next;
  }
}

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