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 ",dump( $req->params ),"\n";

        Module::Reload->check if $path =~ m!reload! || $req->param('reload');

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

#       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 );
                } elsif ( $path =~ m!/pod/([^/]+)(.*)! ) {
                        $f = Frey::Pod->new( class => $1 );
                } else {
                        $f = Frey::ClassBrowser->new;
                }
                $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

        }

        # If this is a request for the pushtream, then give them that
        if($path =~ /pushstream/) {
                pushstream($req);
        }

        if ( $path =~ m/die/ ) {
                Carp::REPL::repl;       # FIXME if $self->debug
        }

        # 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	121	use Carp::REPL;
12	dpavlin	101	use Frey::ClassLoader;
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	103	my ( $self, $port ) = @_;
23	dpavlin	64	$server = Continuity->new(
24	dpavlin	103	port => $port \|\| 16001,
25	dpavlin	64	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	114	$Module::Reload::Debug = 1;
32	dpavlin	101	Frey::ClassLoader->new->load_all_classes();
33	dpavlin	25	$server->loop;
34			}
35	dpavlin	2
36			# This is the main entrypoint. We are looking for one of three things -- a
37			# pushstream, a sent message, or a request for the main HTML. We delegate each
38			# of these cases, none of which will return (they all loop forever).
39			sub main {
40	dpavlin	37	my ($req) = @_;
41	dpavlin	2
42	dpavlin	37	my $path = $req->request->url->path;
43	dpavlin	142	warn "REQUEST: $path ",dump( $req->params ),"\n";
44	dpavlin	2
45	dpavlin	142	Module::Reload->check if $path =~ m!reload! \|\| $req->param('reload');
46	dpavlin	120
47	dpavlin	142	# warn $req->request->header('User_Agent');
48	dpavlin	2
49	dpavlin	142	# eval {
50			{
51	dpavlin	66
52	dpavlin	114	my $f;
53	dpavlin	66
54	dpavlin	114	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	dpavlin	127	} elsif ( $path =~ m!/pod/([^/]+)(.*)! ) {
61			$f = Frey::Pod->new( class => $1 );
62	dpavlin	121	} else {
63			$f = Frey::ClassBrowser->new;
64	dpavlin	66	}
65	dpavlin	114	$f->html( $req ) if $f;
66	dpavlin	66
67			};
68
69			if ( $@ ) {
70			warn $@;
71			#$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
72			$req->print( qq{<pre class="error">$@<pre>} );
73	dpavlin	121	Carp::REPL::repl; # FIXME if $self->debug
74	dpavlin	67
75	dpavlin	53	}
76
77	dpavlin	37	# If this is a request for the pushtream, then give them that
78			if($path =~ /pushstream/) {
79			pushstream($req);
80			}
81	dpavlin	121
82			if ( $path =~ m/die/ ) {
83			Carp::REPL::repl; # FIXME if $self->debug
84			}
85
86	dpavlin	37	# If they are sending us a message, we give them a thread for that too
87			if($path =~ /sendmessage/) {
88			send_message($req);
89			}
90	dpavlin	2
91			}
92
93			# Here we accept a connection to the browser, and keep it open. Meanwhile we
94			# watch the global $got_message variable, and when it gets touched we send off
95			# the list of messages through the held-open connection. Then we let the
96			# browser open a new connection and begin again.
97			sub pushstream {
98			my ($req) = @_;
99			# Set up watch event -- this will be triggered when $got_message is written
100			my $w = Coro::Event->var(var => \$got_message, poll => 'w');
101			while(1) {
102			print STDERR "** GOT MESSAGE, SENDING **\n";
103			my $log = join "<br>", @messages;
104			$req->print($log);
105			$req->next;
106			print STDERR "** Waiting for got_message indicator **\n";
107			$w->next;
108			}
109			}
110
111
112			# Watch for the user to send us a message. As soon as we get it, we add it to
113			# our list of messages and touch the $got_message flag to let all the
114			# pushstreams know.
115			sub send_message {
116			my ($req) = @_;
117			while(1) {
118			my $msg = $req->param('message');
119			my $name = $req->param('username');
120			if($msg) {
121			unshift @messages, "$name: $msg";
122			pop @messages if $#messages > 15; # Only keep the recent 15 messages
123			}
124			$got_message = 1;
125			$req->print("Got it!");
126			$req->next;
127			}
128			}
129
130	dpavlin	25	1;