/[Frey]/trunk/lib/Frey/Server.pm
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revision 48 by dpavlin, Wed Jul 2 12:36:59 2008 UTC revision 421 by dpavlin, Tue Nov 18 17:12:09 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;
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::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 16  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                    # shared run params
88                    my $run = {
89                            request_url => $req->request->url,
90                    };
91    
92                    if (
93                            $path =~ m{/Frey[:-]+ObjectBrowser}
94                    ) {
95                            $f = Frey::ObjectBrowser->new( fey_class => $params{class} );
96                            $f->request( $req );
97                    } elsif (
98                            $path =~ m{/Frey[:-]+ObjectDesigner}
99                    ) {
100                            $f = Frey::ObjectDesigner->new( fey_class => $params{class} );
101                            $f->request( $req );
102                    } elsif ( $path =~ $editor->url_regex ) {
103                            $req->print( $editor->command( $path ) );
104                            system( $editor->command( $path ) );
105                            return;
106                    } elsif (
107                            $path =~ m{/([^/]+)/($run_regexp)/?([^/]+)?}
108                    ) {
109                            my $class = rest2class $1;
110                            warn "# run $path -> $class $2";
111                            $run->{format} = $3 if $3;
112                            $f = Frey::Run->new( class => $class, params => \%params, run => $2, %$run );
113                    } elsif (
114                            $path =~ m{/([^/]+)/?$}
115                    ) {
116                            my $class = rest2class $1;
117                            warn "# introspect $class";
118                            $f = Frey::Run->new( class => 'Frey::Introspect', params => { class => $class }, %$run );
119                    } else {
120                            $f = Frey::Run->new( class => 'Frey::ClassBrowser', %$run );
121                    }
122    
123                    if ( $f ) {
124                            $req->print( $f->html );
125                    } else {
126                            warn "# can't call request on nothing!";
127                    }
128    
129            };
130    
131            my $self = $req;
132    
133            if ( $@ ) {
134                    warn $@;
135                    $req->conn->send_error( 404 );  # FIXME this should probably be 500, but we can't ship page with it
136                    $req->print( qq{<pre class="frey-error">$@<pre>} );
137    #               Carp::REPL::repl;
138    
139            }
140    
141          # If this is a request for the pushtream, then give them that          # If this is a request for the pushtream, then give them that
142          if($path =~ /pushstream/) {          if($path =~ /pushstream/) {
143                  pushstream($req);                  pushstream($req);
144          }          }
145      
146          # 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
147          if($path =~ /sendmessage/) {          if($path =~ /sendmessage/) {
148                  send_message($req);                  send_message($req);
149          }          }
150    
         # Otherwise, lets give them page  
         send_page($req);  
151  }  }
152    
153  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
# Line 92  sub send_message { Line 187  sub send_message {
187    }    }
188  }  }
189    
 # This isn't a pushstream, nor a new message. It is just the main page. We loop  
 # in case they ask for it multiple times :)  
 sub send_page {  
         my ($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;  
         }  
 }  
   
190  1;  1;
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