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