/[Frey]/trunk/lib/Frey/Server.pm
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revision 53 by dpavlin, Sat Jul 5 15:19:55 2008 UTC revision 220 by dpavlin, Fri Oct 31 23:07:46 2008 UTC
# Line 1  Line 1 
1  package Frey::Server;  package Frey::Server;
2    
3  use strict;  use Moose;
4  use warnings;  
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 base 'Frey';  #use Carp::REPL; ## XXX it would be nice, but it breaks error reporting too much
12  use Frey::HTML;  use Frey::ClassLoader;
 use Frey::ObjectBrowser;  
13    
14  my @messages;    # Global (shared) list of messages  my @messages;    # Global (shared) list of messages
15  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 18  my $got_message; # Flag to indicate that Line 17  my $got_message; # Flag to indicate that
17  use vars qw( $repl $server );  use vars qw( $repl $server );
18    
19  #$repl = Continuity::REPL->new;  #$repl = Continuity::REPL->new;
20  $server = Continuity->new(  
21          port => 16001,  =head1 NAME
22          path_session => 1,  
23          cookie_session => 'sid',  Frey::Server - Continuity based server for Frey
24          callback => \&main,  
25          debug_level => 1,  =head2 DESCRIPTION
26          staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?)$/ },  
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 {  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 => 2,
43                    staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?|xml|json|ya?ml)(\?.*)?$/ },
44            );
45            $Module::Reload::Debug = 1; # auto if debug_level > 1
46            Frey::ClassLoader->new->load_all_classes();
47          $server->loop;          $server->loop;
48  }  }
49    
50  # This is the main entrypoint. We are looking for one of three things -- a  =head2 main
51  # pushstream, a sent message, or a request for the main HTML. We delegate each  
52  # of these cases, none of which will return (they all loop forever).  This is simple dispatcher for our server. Currently it's in flux and
53    documented only in source code.
54    
55    =cut
56    
57  sub main {  sub main {
58          my ($req) = @_;          my ($req) = @_;
59      
60          my $path = $req->request->url->path;          my $path = $req->request->url->path;
61          warn "REQUEST: $path\n";          #warn "REQUEST: $path ",dump( $req->params );
62    
63          warn $req->request->header('User_Agent');          Module::Reload->check if $path =~ m!reload! || $req->param('reload');
64  #warn dump( $req );  
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|request)/([^/]+)(.*)! ) {
79                            $f = Frey::Run->new( class => $2 );
80                    } else {
81                            $f = Frey::Run->new( class => 'Frey::ClassBrowser' );
82                    }
83                    $f->request( $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    
         if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {  
                 my $f = Frey::Introspect->new( package => $1 );  
                 $f->html( $req );  
95          }          }
96    
97          # If this is a request for the pushtream, then give them that          # If this is a request for the pushtream, then give them that
98          if($path =~ /pushstream/) {          if($path =~ /pushstream/) {
99                  pushstream($req);                  pushstream($req);
100          }          }
101      
102          # If they are sending us a message, we give them a thread for that too          # If they are sending us a message, we give them a thread for that too
103          if($path =~ /sendmessage/) {          if($path =~ /sendmessage/) {
104                  send_message($req);                  send_message($req);
105          }          }
106    
         if($path =~ m!^/ob!) {  
                 Frey::ObjectBrowser->new( req => $req )->html;  
         }  
   
         # Otherwise, lets give them page  
         send_page($req);  
107  }  }
108    
109  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
# Line 103  sub send_message { Line 143  sub send_message {
143    }    }
144  }  }
145    
 # This isn't a pushstream, nor a new message. It is just the main page. We loop  
 # in case they ask for it multiple times :)  
 sub send_page {  
         my ($req) = @_;  
         my $templates = Template::Declare->templates;  
         while(1) {  
                 warn "param = ",dump($req->param);  
                 my $path = $req->request->url->path;  
   
                 my $html;  
   
                 if ( $path =~ m/::/ ) {  
                         my ( undef, $module, $method ) = split(m!/!, $path, 3);  
   
                         if ( ! defined( $templates->{$module} ) ) {  
                                 $req->conn->send_status_line( 404, "$module" );  
                                 $html = "Package $module not found";  
                         } elsif ( ! $method ) {  
                                 $html = Frey::HTML->page( 'package-templates', $req, $module );  
                         } elsif ( grep(/^\Q$method\E$/, @{ $templates->{$module} }) ) {  
                                 $html = Frey::HTML->page( $method, $req );  
                         } else {  
                                 $req->conn->send_status_line( 404, "$module $method" );  
                                 $html = "Package $module doesn't have $method";  
                         }  
                 } else {  
                         warn "fallback to status page\n";  
                         $html = Frey::HTML->page( 'status' );  
                 }  
   
                 $req->print( $html );  
                 warn ">> ",length( $html ), " bytes\n";  
                 $req->next;  
         }  
 }  
   
146  1;  1;
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