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;
use Frey::ObjectBrowser;

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;

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

        eval {

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

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

        };

        if ( $@ ) {
                warn $@;
                #$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
                $req->print( qq{<pre class="error">$@<pre>} );
                $req->next;
        }

        # 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);
        }

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

# 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	60	use Frey::ObjectBrowser;
13	dpavlin	23
14	dpavlin	2	my @messages; # Global (shared) list of messages
15			my $got_message; # Flag to indicate that there is a new message to display
16
17	dpavlin	10	use vars qw( $repl $server );
18	dpavlin	2
19	dpavlin	34	#$repl = Continuity::REPL->new;
20	dpavlin	37
21	dpavlin	25	sub run {
22	dpavlin	64	$server = Continuity->new(
23			port => 16001,
24			path_session => 1,
25			cookie_session => 'sid',
26			callback => \&main,
27			debug_level => 1,
28			staticp => sub { $_[0]->url =~ m/\.(jpg\|jpeg\|gif\|png\|css\|ico\|js\|html?)$/ },
29			);
30	dpavlin	25	$server->loop;
31			}
32	dpavlin	2
33			# This is the main entrypoint. We are looking for one of three things -- a
34			# pushstream, a sent message, or a request for the main HTML. We delegate each
35			# of these cases, none of which will return (they all loop forever).
36			sub main {
37	dpavlin	37	my ($req) = @_;
38	dpavlin	2
39	dpavlin	37	my $path = $req->request->url->path;
40			warn "REQUEST: $path\n";
41	dpavlin	2
42			warn $req->request->header('User_Agent');
43			#warn dump( $req );
44
45	dpavlin	66	eval {
46
47			if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {
48			my $f = Frey::Introspect->new( package => $1 );
49			$f->html( $req );
50			}
51
52			if ( $path =~ m!/ob/([^/]+)(?:/([^/]*))?! ) {
53			my $f = Frey::ObjectBrowser->new;
54			$f->html( $req );
55			}
56
57			};
58
59			if ( $@ ) {
60			warn $@;
61			#$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
62			$req->print( qq{<pre class="error">$@<pre>} );
63			$req->next;
64	dpavlin	53	}
65
66	dpavlin	37	# If this is a request for the pushtream, then give them that
67			if($path =~ /pushstream/) {
68			pushstream($req);
69			}
70	dpavlin	2
71	dpavlin	37	# If they are sending us a message, we give them a thread for that too
72			if($path =~ /sendmessage/) {
73			send_message($req);
74			}
75	dpavlin	2
76	dpavlin	64	my $f = Frey->new;
77			my $classes = Continuity::Widget::DomNode->create(
78			ul => [
79			map {
80			warn dump( $_ );
81			my ( $package, $path ) = %$_;
82			( li => [
83			a => { href => '/~/' . $package . '/' } => [ $package ],
84			' ',
85			a => { href => '/ob/' . $package } => [ 'browse' ],
86			" <tt>$path</tt>"
87			] )
88			} @{ $f->classes }
89			],
90			)->to_string;
91			$req->print( $classes );
92	dpavlin	2	}
93
94			# Here we accept a connection to the browser, and keep it open. Meanwhile we
95			# watch the global $got_message variable, and when it gets touched we send off
96			# the list of messages through the held-open connection. Then we let the
97			# browser open a new connection and begin again.
98			sub pushstream {
99			my ($req) = @_;
100			# Set up watch event -- this will be triggered when $got_message is written
101			my $w = Coro::Event->var(var => \$got_message, poll => 'w');
102			while(1) {
103			print STDERR "** GOT MESSAGE, SENDING **\n";
104			my $log = join "<br>", @messages;
105			$req->print($log);
106			$req->next;
107			print STDERR "** Waiting for got_message indicator **\n";
108			$w->next;
109			}
110			}
111
112
113			# Watch for the user to send us a message. As soon as we get it, we add it to
114			# our list of messages and touch the $got_message flag to let all the
115			# pushstreams know.
116			sub send_message {
117			my ($req) = @_;
118			while(1) {
119			my $msg = $req->param('message');
120			my $name = $req->param('username');
121			if($msg) {
122			unshift @messages, "$name: $msg";
123			pop @messages if $#messages > 15; # Only keep the recent 15 messages
124			}
125			$got_message = 1;
126			$req->print("Got it!");
127			$req->next;
128			}
129			}
130
131	dpavlin	25	1;