lib/Frey/Server.pm

package Frey::Server;

use Moose;

with 'Frey::Web';

use Continuity;
#use Continuity::REPL;
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>} );

        } else {

                my $f = Frey::ClassLoader->new;
                my $classes = dom2html(
                        ul => [
                                map {
                                        warn dump( $_ );
                                        my ( $package, $path ) = %$_;
                                        ( li => [
                                                a => { href => '/~/' . $package . '/' } => [ $package ],
                                                ' ',
                                                a => { href => '/ob/' . $package } => [ 'browse' ],
                                                " <tt>$path</tt>"
                                        ] )
                                } @{ $f->classes }
                        ],
                );
                $req->print( $classes );

        }

        # 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);
        }

}

# 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	100	with 'Frey::Web';
6
7	dpavlin	2	use Continuity;
8	dpavlin	36	#use Continuity::REPL;
9	dpavlin	2	use Data::Dump qw/dump/;
10
11	dpavlin	55	use Frey;
12			use Frey::Introspect;
13	dpavlin	60	use Frey::ObjectBrowser;
14	dpavlin	23
15	dpavlin	2	my @messages; # Global (shared) list of messages
16			my $got_message; # Flag to indicate that there is a new message to display
17
18	dpavlin	10	use vars qw( $repl $server );
19	dpavlin	2
20	dpavlin	34	#$repl = Continuity::REPL->new;
21	dpavlin	37
22	dpavlin	25	sub run {
23	dpavlin	64	$server = Continuity->new(
24			port => 16001,
25			path_session => 1,
26			cookie_session => 'sid',
27			callback => \&main,
28			debug_level => 1,
29			staticp => sub { $_[0]->url =~ m/\.(jpg\|jpeg\|gif\|png\|css\|ico\|js\|html?)$/ },
30			);
31	dpavlin	25	$server->loop;
32			}
33	dpavlin	2
34			# This is the main entrypoint. We are looking for one of three things -- a
35			# pushstream, a sent message, or a request for the main HTML. We delegate each
36			# of these cases, none of which will return (they all loop forever).
37			sub main {
38	dpavlin	37	my ($req) = @_;
39	dpavlin	2
40	dpavlin	37	my $path = $req->request->url->path;
41			warn "REQUEST: $path\n";
42	dpavlin	2
43			warn $req->request->header('User_Agent');
44			#warn dump( $req );
45
46	dpavlin	66	eval {
47
48			if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {
49			my $f = Frey::Introspect->new( package => $1 );
50			$f->html( $req );
51			}
52
53			if ( $path =~ m!/ob/([^/]+)(?:/([^/]*))?! ) {
54			my $f = Frey::ObjectBrowser->new;
55			$f->html( $req );
56			}
57
58			};
59
60			if ( $@ ) {
61			warn $@;
62			#$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
63			$req->print( qq{<pre class="error">$@<pre>} );
64	dpavlin	67
65			} else {
66
67	dpavlin	100	my $f = Frey::ClassLoader->new;
68			my $classes = dom2html(
69	dpavlin	67	ul => [
70			map {
71			warn dump( $_ );
72			my ( $package, $path ) = %$_;
73			( li => [
74			a => { href => '/~/' . $package . '/' } => [ $package ],
75			' ',
76			a => { href => '/ob/' . $package } => [ 'browse' ],
77			" <tt>$path</tt>"
78			] )
79			} @{ $f->classes }
80			],
81	dpavlin	100	);
82	dpavlin	67	$req->print( $classes );
83
84	dpavlin	53	}
85
86	dpavlin	37	# If this is a request for the pushtream, then give them that
87			if($path =~ /pushstream/) {
88			pushstream($req);
89			}
90	dpavlin	2
91	dpavlin	37	# If they are sending us a message, we give them a thread for that too
92			if($path =~ /sendmessage/) {
93			send_message($req);
94			}
95	dpavlin	2
96			}
97
98			# Here we accept a connection to the browser, and keep it open. Meanwhile we
99			# watch the global $got_message variable, and when it gets touched we send off
100			# the list of messages through the held-open connection. Then we let the
101			# browser open a new connection and begin again.
102			sub pushstream {
103			my ($req) = @_;
104			# Set up watch event -- this will be triggered when $got_message is written
105			my $w = Coro::Event->var(var => \$got_message, poll => 'w');
106			while(1) {
107			print STDERR "** GOT MESSAGE, SENDING **\n";
108			my $log = join "<br>", @messages;
109			$req->print($log);
110			$req->next;
111			print STDERR "** Waiting for got_message indicator **\n";
112			$w->next;
113			}
114			}
115
116
117			# Watch for the user to send us a message. As soon as we get it, we add it to
118			# our list of messages and touch the $got_message flag to let all the
119			# pushstreams know.
120			sub send_message {
121			my ($req) = @_;
122			while(1) {
123			my $msg = $req->param('message');
124			my $name = $req->param('username');
125			if($msg) {
126			unshift @messages, "$name: $msg";
127			pop @messages if $#messages > 15; # Only keep the recent 15 messages
128			}
129			$got_message = 1;
130			$req->print("Got it!");
131			$req->next;
132			}
133			}
134
135	dpavlin	25	1;