/[Frey]/trunk/lib/Frey/Server.pm
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revision 53 by dpavlin, Sat Jul 5 15:19:55 2008 UTC revision 407 by dpavlin, Tue Nov 18 12:02:57 2008 UTC
# Line 1  Line 1 
1  package Frey::Server;  package Frey::Server;
2    
3  use strict;  use Moose;
4  use warnings;  extends 'Frey';
5    with 'Frey::Web';
6    with 'Frey::Config';
7    
8  use Continuity;  use Continuity;
9  #use Continuity::REPL;  #use Continuity::REPL;
 use Continuity::Widget::DomNode;  
10  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
11    
12  use base 'Frey';  #use Carp::REPL; ## XXX it would be nice, but it breaks error reporting too much
13  use Frey::HTML;  use Frey::ClassLoader;
14  use Frey::ObjectBrowser;  use Frey::Run;
15    use Frey::Editor;
16    
17  my @messages;    # Global (shared) list of messages  my @messages;    # Global (shared) list of messages
18  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 20  my $got_message; # Flag to indicate that
20  use vars qw( $repl $server );  use vars qw( $repl $server );
21    
22  #$repl = Continuity::REPL->new;  #$repl = Continuity::REPL->new;
23  $server = Continuity->new(  
24          port => 16001,  =head1 NAME
25          path_session => 1,  
26          cookie_session => 'sid',  Frey::Server - Continuity based server for Frey
27          callback => \&main,  
28          debug_level => 1,  =head2 DESCRIPTION
29          staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?)$/ },  
30  );  This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
31    
32    =head2 run
33    
34      $o->run( $optional_port );
35    
36    =cut
37    
38  sub run {  sub run {
39            my ( $self, $port ) = @_;
40            $server = Continuity->new(
41                    port => $port || $self->config->{port} || 16001,
42                    path_session => 1,
43                    cookie_session => 'sid',
44                    callback => \&main,
45                    debug_level => 2,
46                    staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?|xml|json|ya?ml)(\?.*)?$/ },
47            );
48            $Module::Reload::Debug = 1; # auto if debug_level > 1
49            Frey::ClassLoader->new->load_all_classes();
50          $server->loop;          $server->loop;
51  }  }
52    
53  # This is the main entrypoint. We are looking for one of three things -- a  =head2 main
54  # pushstream, a sent message, or a request for the main HTML. We delegate each  
55  # of these cases, none of which will return (they all loop forever).  This is simple dispatcher for our server. Currently it's in flux and
56    documented only in source code.
57    
58    =cut
59    
60  sub main {  sub main {
61          my ($req) = @_;          my ($req) = @_;
62      
63          my $path = $req->request->url->path;          my $path = $req->request->url->path;
64          warn "REQUEST: $path\n";          #warn "REQUEST: $path ",dump( $req->params );
65    
66            Module::Reload->check if $path =~ m!reload! || $req->param('reload');
67    
68    #       warn $req->request->header('User_Agent');
69    
70            my %params = $req->params;
71            my $html;
72    
73            sub rest2class {
74                    my $class = shift;
75                    $class =~ s/-/::/; # sigh!
76                    return $class;
77            }
78    
79    
80            eval {
81    
82                    my $f;
83    
84          warn $req->request->header('User_Agent');                  my $run_regexp = join('|', Frey::Run->runnable );
85  #warn dump( $req );                  my $editor = Frey::Editor->new;
86    
87                    if (
88                            $path =~ m{/Frey[:-]+ObjectBrowser}
89                    ) {
90                            $f = Frey::ObjectBrowser->new( fey_class => $params{class} );
91                            $f->request( $req );
92                    } elsif (
93                            $path =~ m{/Frey[:-]+ObjectDesigner}
94                    ) {
95                            $f = Frey::ObjectDesigner->new( fey_class => $params{class} );
96                            $f->request( $req );
97                    } elsif ( $path =~ $editor->url_regex ) {
98                            $req->print( $editor->command( $path ) );
99                            system( $editor->command( $path ) );
100                            return;
101                    } elsif (
102                            $path =~ m{/([^/]+)/($run_regexp)}
103                    ) {
104                            my $class = rest2class $1;
105                            warn "# run $class $2\n";
106                            $f = Frey::Run->new( class => $class, params => \%params, run => $2, request_url => $req->request->url );
107                    } elsif (
108                            $path =~ m{/([^/]+)/?$}
109                    ) {
110                            my $class = rest2class $1;
111                            warn "# introspect $class";
112                            $f = Frey::Run->new( class => 'Frey::Introspect', params => { class => $class }, request_url => $req->request->url );
113                    } else {
114                            $f = Frey::Run->new( class => 'Frey::ClassBrowser' );
115                    }
116    
117                    if ( $f ) {
118                            $req->print( $f->html );
119                    } else {
120                            warn "# can't call request on nothing!";
121                    }
122    
123            };
124    
125            my $self = $req;
126    
127            if ( $@ ) {
128                    warn $@;
129                    $req->conn->send_error( 404 );  # FIXME this should probably be 500, but we can't ship page with it
130                    $req->print( qq{<pre class="frey-error">$@<pre>} );
131    #               Carp::REPL::repl;
132    
         if ( $path =~ m!/~/([^/]+)(?:/([^/]*))?! ) {  
                 my $f = Frey::Introspect->new( package => $1 );  
                 $f->html( $req );  
133          }          }
134    
135          # If this is a request for the pushtream, then give them that          # If this is a request for the pushtream, then give them that
136          if($path =~ /pushstream/) {          if($path =~ /pushstream/) {
137                  pushstream($req);                  pushstream($req);
138          }          }
139      
140          # If they are sending us a message, we give them a thread for that too          # If they are sending us a message, we give them a thread for that too
141          if($path =~ /sendmessage/) {          if($path =~ /sendmessage/) {
142                  send_message($req);                  send_message($req);
143          }          }
144    
         if($path =~ m!^/ob!) {  
                 Frey::ObjectBrowser->new( req => $req )->html;  
         }  
   
         # Otherwise, lets give them page  
         send_page($req);  
145  }  }
146    
147  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
# Line 103  sub send_message { Line 181  sub send_message {
181    }    }
182  }  }
183    
 # This isn't a pushstream, nor a new message. It is just the main page. We loop  
 # in case they ask for it multiple times :)  
 sub send_page {  
         my ($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;  
         }  
 }  
   
184  1;  1;
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