/[Frey]/trunk/lib/Frey/Server.pm
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revision 38 by dpavlin, Mon Jun 30 20:02:08 2008 UTC revision 184 by dpavlin, Tue Sep 9 23:15:46 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;
9  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
10    
11  use base 'Frey';  use Carp::REPL;
12  use Frey::HTML;  use Frey::ClassLoader;
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 16  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 => 3,  =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 {  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;          $server->loop;
48  }  }
49    
50  # This is the main entrypoint. We are looking for one of three things -- a  =head2 main
51  # pushstream, a sent message, or a request for the main HTML. We delegate each  
52  # of these cases, none of which will return (they all loop forever).  This is simple dispatcher for our server. Currently it's in flux and
53    documented only in source code.
54    
55    =cut
56    
57  sub main {  sub main {
58          my ($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 ),"\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            if ( $@ ) {
88                    warn $@;
89                    #$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
90                    $req->print( qq{<pre class="error">$@<pre>} );
91                    Carp::REPL::repl;       # FIXME if $self->debug
92    
93          warn $req->request->header('User_Agent');          }
 #warn dump( $req );  
94    
95          # If this is a request for the pushtream, then give them that          # If this is a request for the pushtream, then give them that
96          if($path =~ /pushstream/) {          if($path =~ /pushstream/) {
97                  pushstream($req);                  pushstream($req);
98          }          }
99      
100            if ( $path =~ m/die/ ) {
101                    Carp::REPL::repl;       # FIXME if $self->debug
102            }
103    
104          # If they are sending us a message, we give them a thread for that too          # If they are sending us a message, we give them a thread for that too
105          if($path =~ /sendmessage/) {          if($path =~ /sendmessage/) {
106                  send_message($req);                  send_message($req);
107          }          }
108    
         # Otherwise, lets give them page  
         send_page($req);  
109  }  }
110    
111  # 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 91  sub send_message { Line 145  sub send_message {
145    }    }
146  }  }
147    
 # 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-methods', $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;  
         }  
 }  
   
148  1;  1;

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