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; ## XXX it would be nice, but it breaks error reporting too much
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;

=head1 NAME

Frey::Server - Continuity based server for Frey

=head2 DESCRIPTION

This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.

=head2 run

  $o->run( $optional_port );

=cut

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

=head2 main

This is simple dispatcher for our server. Currently it's in flux and
documented only in source code.

=cut

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!/(markup|html)/([^/]+)(.*)! ) {
                        $f = Frey::Run->new( class => $2 );
                } else {
                        $f = Frey::ClassBrowser->new;
                }
                $f->html( $req ) if $f;

        };

        my $self = $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>} );
#               Carp::REPL::repl;

        }

        # 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; ## XXX it would be nice, but it breaks error reporting too much
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	=head1 NAME
22
23	Frey::Server - Continuity based server for Frey
24
25	=head2 DESCRIPTION
26
27	This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
28
29	=head2 run
30
31	$o->run( $optional_port );
32
33	=cut
34
35	sub run {
36	my ( $self, $port ) = @_;
37	$server = Continuity->new(
38	port => $port \|\| 16001,
39	path_session => 1,
40	cookie_session => 'sid',
41	callback => \&main,
42	debug_level => 1,
43	staticp => sub { $_[0]->url =~ m/\.(jpg\|jpeg\|gif\|png\|css\|ico\|js\|html?\|xml\|json\|ya?ml)(\?.*)?$/ },
44	);
45	$Module::Reload::Debug = 1;
46	Frey::ClassLoader->new->load_all_classes();
47	$server->loop;
48	}
49
50	=head2 main
51
52	This is simple dispatcher for our server. Currently it's in flux and
53	documented only in source code.
54
55	=cut
56
57	sub main {
58	my ($req) = @_;
59
60	my $path = $req->request->url->path;
61	warn "REQUEST: $path ",dump( $req->params ),"\n";
62
63	Module::Reload->check if $path =~ m!reload! \|\| $req->param('reload');
64
65	# warn $req->request->header('User_Agent');
66
67	# eval {
68	{
69
70	my $f;
71
72	if ( $path =~ m!/~/([^/]+)(.*)! ) {
73	$f = Frey::Introspect->new( package => $1 );
74	} elsif ( $path =~ m!/ob/([^/]+)(.*)! ) {
75	$f = Frey::ObjectBrowser->new( fey_class => $1 );
76	} elsif ( $path =~ m!/od/([^/]+)(.*)! ) {
77	$f = Frey::ObjectDesigner->new( fey_class => $1 );
78	} elsif ( $path =~ m!/(markup\|html)/([^/]+)(.*)! ) {
79	$f = Frey::Run->new( class => $2 );
80	} else {
81	$f = Frey::ClassBrowser->new;
82	}
83	$f->html( $req ) if $f;
84
85	};
86
87	my $self = $req;
88
89	if ( $@ ) {
90	warn $@;
91	#$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
92	$req->print( qq{<pre class="error">$@<pre>} );
93	# Carp::REPL::repl;
94
95	}
96
97	# If this is a request for the pushtream, then give them that
98	if($path =~ /pushstream/) {
99	pushstream($req);
100	}
101
102	# If they are sending us a message, we give them a thread for that too
103	if($path =~ /sendmessage/) {
104	send_message($req);
105	}
106
107	}
108
109	# Here we accept a connection to the browser, and keep it open. Meanwhile we
110	# watch the global $got_message variable, and when it gets touched we send off
111	# the list of messages through the held-open connection. Then we let the
112	# browser open a new connection and begin again.
113	sub pushstream {
114	my ($req) = @_;
115	# Set up watch event -- this will be triggered when $got_message is written
116	my $w = Coro::Event->var(var => \$got_message, poll => 'w');
117	while(1) {
118	print STDERR "** GOT MESSAGE, SENDING **\n";
119	my $log = join "<br>", @messages;
120	$req->print($log);
121	$req->next;
122	print STDERR "** Waiting for got_message indicator **\n";
123	$w->next;
124	}
125	}
126
127
128	# Watch for the user to send us a message. As soon as we get it, we add it to
129	# our list of messages and touch the $got_message flag to let all the
130	# pushstreams know.
131	sub send_message {
132	my ($req) = @_;
133	while(1) {
134	my $msg = $req->param('message');
135	my $name = $req->param('username');
136	if($msg) {
137	unshift @messages, "$name: $msg";
138	pop @messages if $#messages > 15; # Only keep the recent 15 messages
139	}
140	$got_message = 1;
141	$req->print("Got it!");
142	$req->next;
143	}
144	}
145
146	1;