/[Frey]/trunk/lib/Frey/Server.pm
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revision 55 by dpavlin, Sat Jul 5 19:00:10 2008 UTC revision 314 by dpavlin, Wed Nov 5 20:18:33 2008 UTC
# Line 2  package Frey::Server; Line 2  package Frey::Server;
2    
3  use Moose;  use Moose;
4    
5    with 'Frey::Web';
6    
7  use Continuity;  use Continuity;
8  #use Continuity::REPL;  #use Continuity::REPL;
 use Continuity::Widget::DomNode;  
9  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
10    
11  use Frey;  #use Carp::REPL; ## XXX it would be nice, but it breaks error reporting too much
12  use Frey::Introspect;  use Frey::ClassLoader;
13    use Frey::Run;
14    
15  my @messages;    # Global (shared) list of messages  my @messages;    # Global (shared) list of messages
16  my $got_message; # Flag to indicate that there is a new message to display  my $got_message; # Flag to indicate that there is a new message to display
# Line 16  my $got_message; # Flag to indicate that Line 18  my $got_message; # Flag to indicate that
18  use vars qw( $repl $server );  use vars qw( $repl $server );
19    
20  #$repl = Continuity::REPL->new;  #$repl = Continuity::REPL->new;
21  $server = Continuity->new(  
22          port => 16001,  =head1 NAME
23          path_session => 1,  
24          cookie_session => 'sid',  Frey::Server - Continuity based server for Frey
25          callback => \&main,  
26          debug_level => 1,  =head2 DESCRIPTION
27          staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?)$/ },  
28  );  This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
29    
30    =head2 run
31    
32      $o->run( $optional_port );
33    
34    =cut
35    
36  sub run {  sub run {
37            my ( $self, $port ) = @_;
38            $server = Continuity->new(
39                    port => $port || 16001,
40                    path_session => 1,
41                    cookie_session => 'sid',
42                    callback => \&main,
43                    debug_level => 2,
44                    staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?|xml|json|ya?ml)(\?.*)?$/ },
45            );
46            $Module::Reload::Debug = 1; # auto if debug_level > 1
47            Frey::ClassLoader->new->load_all_classes();
48          $server->loop;          $server->loop;
49  }  }
50    
51  # This is the main entrypoint. We are looking for one of three things -- a  =head2 main
52  # pushstream, a sent message, or a request for the main HTML. We delegate each  
53  # of these cases, none of which will return (they all loop forever).  This is simple dispatcher for our server. Currently it's in flux and
54    documented only in source code.
55    
56    =cut
57    
58  sub main {  sub main {
59          my ($req) = @_;          my ($req) = @_;
60      
61          my $path = $req->request->url->path;          my $path = $req->request->url->path;
62          warn "REQUEST: $path\n";          #warn "REQUEST: $path ",dump( $req->params );
63    
64          warn $req->request->header('User_Agent');          Module::Reload->check if $path =~ m!reload! || $req->param('reload');
65  #warn dump( $req );  
66    #       warn $req->request->header('User_Agent');
67    
68            my %params = $req->params;
69            my $html;
70    
71            sub rest2class {
72                    my $class = shift;
73                    $class =~ s/-/::/; # sigh!
74                    return $class;
75            }
76    
77    
78            eval {
79    
80                    my $f;
81    
82                    my $run_regexp = join('|', Frey::Run->runnable );
83    
84                    if (
85                            $path =~ m{/Frey[:-]+ObjectBrowser}
86                    ) {
87                            $f = Frey::ObjectBrowser->new( fey_class => $params{class} );
88                            $f->request( $req );
89                    } elsif (
90                            $path =~ m{/Frey[:-]+ObjectDesigner}
91                    ) {
92                            $f = Frey::ObjectDesigner->new( fey_class => $params{class} );
93                            $f->request( $req );
94                    } elsif (
95                            $path =~ m{/([^/]+)/($run_regexp)}
96                    ) {
97                            my $class = rest2class $1;
98                            warn "# run $class $2\n";
99                            $f = Frey::Run->new( class => $class, params => \%params );
100                    } elsif (
101                            $path =~ m{/([^/]+)/?$}
102                    ) {
103                            my $class = rest2class $1;
104                            warn "# introspect $class";
105                            $f = Frey::Run->new( class => 'Frey::Introspect', params => { class => $class } );
106                    } else {
107                            $f = Frey::Run->new( class => 'Frey::ClassBrowser' );
108                    }
109    
110                    if ( $f ) {
111                            $req->print( $f->html );
112                    } else {
113                            warn "# can't call request on nothing!";
114                    }
115    
116            };
117    
118            my $self = $req;
119    
120            if ( $@ ) {
121                    warn $@;
122                    $req->conn->send_error( 404 );  # FIXME this should probably be 500, but we can't ship page with it
123                    $req->print( qq{<pre class="error">$@<pre>} );
124    #               Carp::REPL::repl;
125    
         if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {  
                 my $f = Frey::Introspect->new( package => $1 );  
                 $f->html( $req );  
126          }          }
127    
128          # If this is a request for the pushtream, then give them that          # If this is a request for the pushtream, then give them that
129          if($path =~ /pushstream/) {          if($path =~ /pushstream/) {
130                  pushstream($req);                  pushstream($req);
131          }          }
132      
133          # If they are sending us a message, we give them a thread for that too          # If they are sending us a message, we give them a thread for that too
134          if($path =~ /sendmessage/) {          if($path =~ /sendmessage/) {
135                  send_message($req);                  send_message($req);
136          }          }
137    
         while ( 1 ) {  
                 my $f = Frey->new;  
                 $req->print( dump( $f->classes ) );  
                 $req->next;  
         }  
138  }  }
139    
140  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
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