lib/Frey/Server.pm

package Frey::Server;

use Moose;

with 'Frey::Web';

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

#use Carp::REPL;
use Frey::ClassLoader;

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 {
        my ( $self, $port ) = @_;
        $server = Continuity->new(
                port => $port || 16001,
                path_session => 1,
                cookie_session => 'sid',
                callback => \&main,
                debug_level => 1,
                staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?)$/ },
        );
        $Module::Reload::Debug = 1;
        Frey::ClassLoader->new->load_all_classes();
        $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";

        Module::Reload->check if $path =~ m!reload!;

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

        eval {

                my $f;

                if ( $path =~ m!/~/([^/]+)(.*)! ) {
                        $f = Frey::Introspect->new( package => $1 );
                } elsif ( $path =~ m!/ob/([^/]+)(.*)! ) {
                        $f = Frey::ObjectBrowser->new( fey_class => $1 );
                } elsif ( $path =~ m!/od/([^/]+)(.*)! ) {
                        $f = Frey::ObjectDesigner->new( fey_class => $1 );
                }
                $f->html( $req ) if $f;

        };

        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>} );
#               Carp::REPL::repl;       # FIXME if $self->debug
        } else {

                $req->print(
                        qq|<h1>Classes</h1>\n<div class="sidebar"><a href="/reload">reload</a></div>| .
                        Frey::ClassBrowser->new->html_markup
                );

        }

        # 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	package Frey::Server;
2
3	use Moose;
4
5	with 'Frey::Web';
6
7	use Continuity;
8	#use Continuity::REPL;
9	use Data::Dump qw/dump/;
10
11	#use Carp::REPL;
12	use Frey::ClassLoader;
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
21	sub run {
22	my ( $self, $port ) = @_;
23	$server = Continuity->new(
24	port => $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	$Module::Reload::Debug = 1;
32	Frey::ClassLoader->new->load_all_classes();
33	$server->loop;
34	}
35
36	# This is the main entrypoint. We are looking for one of three things -- a
37	# pushstream, a sent message, or a request for the main HTML. We delegate each
38	# of these cases, none of which will return (they all loop forever).
39	sub main {
40	my ($req) = @_;
41
42	my $path = $req->request->url->path;
43	warn "REQUEST: $path\n";
44
45	Module::Reload->check if $path =~ m!reload!;
46
47	warn $req->request->header('User_Agent');
48	#warn dump( $req );
49
50	eval {
51
52	my $f;
53
54	if ( $path =~ m!/~/([^/]+)(.*)! ) {
55	$f = Frey::Introspect->new( package => $1 );
56	} elsif ( $path =~ m!/ob/([^/]+)(.*)! ) {
57	$f = Frey::ObjectBrowser->new( fey_class => $1 );
58	} elsif ( $path =~ m!/od/([^/]+)(.*)! ) {
59	$f = Frey::ObjectDesigner->new( fey_class => $1 );
60	}
61	$f->html( $req ) if $f;
62
63	};
64
65	if ( $@ ) {
66	warn $@;
67	#$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
68	$req->print( qq{<pre class="error">$@<pre>} );
69	# Carp::REPL::repl; # FIXME if $self->debug
70	} else {
71
72	$req->print(
73	qq\|<h1>Classes</h1>\n<div class="sidebar"><a href="/reload">reload</a></div>\| .
74	Frey::ClassBrowser->new->html_markup
75	);
76
77	}
78
79	# If this is a request for the pushtream, then give them that
80	if($path =~ /pushstream/) {
81	pushstream($req);
82	}
83
84	# If they are sending us a message, we give them a thread for that too
85	if($path =~ /sendmessage/) {
86	send_message($req);
87	}
88
89	}
90
91	# Here we accept a connection to the browser, and keep it open. Meanwhile we
92	# watch the global $got_message variable, and when it gets touched we send off
93	# the list of messages through the held-open connection. Then we let the
94	# browser open a new connection and begin again.
95	sub pushstream {
96	my ($req) = @_;
97	# Set up watch event -- this will be triggered when $got_message is written
98	my $w = Coro::Event->var(var => \$got_message, poll => 'w');
99	while(1) {
100	print STDERR "** GOT MESSAGE, SENDING **\n";
101	my $log = join "<br>", @messages;
102	$req->print($log);
103	$req->next;
104	print STDERR "** Waiting for got_message indicator **\n";
105	$w->next;
106	}
107	}
108
109
110	# Watch for the user to send us a message. As soon as we get it, we add it to
111	# our list of messages and touch the $got_message flag to let all the
112	# pushstreams know.
113	sub send_message {
114	my ($req) = @_;
115	while(1) {
116	my $msg = $req->param('message');
117	my $name = $req->param('username');
118	if($msg) {
119	unshift @messages, "$name: $msg";
120	pop @messages if $#messages > 15; # Only keep the recent 15 messages
121	}
122	$got_message = 1;
123	$req->print("Got it!");
124	$req->next;
125	}
126	}
127
128	1;