/[Frey]/trunk/lib/Frey/Server.pm
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revision 23 by dpavlin, Sun Jun 29 16:24:41 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::ClassLoader;
14  use Frey::HTML;  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
19    
20  use vars qw( $repl $server );  use vars qw( $repl $server );
 $repl = Continuity::REPL->new;  
21    
22  $server = Continuity->new(  #$repl = Continuity::REPL->new;
23    port => 16001,  
24    path_session => 1,  =head1 NAME
25    cookie_session => 'sid',  
26    callback => \&main,  Frey::Server - Continuity based server for Frey
27  );  
28  $server->debug_level( 2 );  =head2 DESCRIPTION
29    
30  $server->loop;  This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
31    
32  # This is the main entrypoint. We are looking for one of three things -- a  =head2 run
33  # pushstream, a sent message, or a request for the main HTML. We delegate each  
34  # of these cases, none of which will return (they all loop forever).    $o->run( $optional_port );
35    
36    =cut
37    
38    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            $server->loop;
51    }
52    
53    =head2 main
54    
55    This is simple dispatcher for our server. Currently it's in flux and
56    documented only in source code.
57    
58    =cut
59    
60  sub main {  sub main {
61    my ($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          warn $req->request->header('User_Agent');          Module::Reload->check if $path =~ m!reload! || $req->param('reload');
67  #warn dump( $req );  
68    #       warn $req->request->header('User_Agent');
69    # If this is a request for the pushtream, then give them that  
70    if($path =~ /pushstream/) {          my %params = $req->params;
71          pushstream($req);          my $html;
72    }  
73              sub rest2class {
74    # If they are sending us a message, we give them a thread for that too                  my $class = shift;
75    if($path =~ /sendmessage/) {                  $class =~ s/-/::/; # sigh!
76          send_message($req);                  return $class;
77    }          }
78    
79    
80            eval {
81    
82                    my $f;
83    
84                    my $run_regexp = join('|', Frey::Run->runnable );
85                    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
142            if($path =~ /pushstream/) {
143                    pushstream($req);
144            }
145    
146            # If they are sending us a message, we give them a thread for that too
147            if($path =~ /sendmessage/) {
148                    send_message($req);
149            }
150    
   # Otherwise, lets give them page  
   send_page($req);  
151  }  }
152    
153  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
# Line 90  sub send_message { Line 187  sub send_message {
187    }    }
188  }  }
189    
190  # This isn't a pushstream, nor a new message. It is just the main page. We loop  1;
 # in case they ask for it multiple times :)  
 sub send_page {  
         my ($req) = @_;  
         my $templates = Template::Declare->templates;  
         while(1) {  
                 warn "param = ",dump($req->param);  
                 my $path = $req->request->url->path;  
   
                 if ( $path =~ m/::/ ) {  
                         my ( undef, $module, $method ) = split(m!/!, $path, 3);  
   
                         if ( ! defined( $templates->{$module} ) ) {  
                                 $req->conn->send_status_line( 404, "$module" );  
                                 $req->print("Package $module not found");  
                         } elsif ( grep(/^\Q$method\E$/, @{ $templates->{$module} }) ) {  
                                 $req->print( Frey::HTML->page( $method, $req ) );  
                         } else {  
                                 $req->conn->send_status_line( 404, "$module $method" );  
                                 $req->print("Package $module doesn't have $method");  
                         }  
                 } else {  
                         my $html = Frey::HTML->page( 'status' );  
                         $req->print( $html );  
                         warn ">> ",length( $html ), " bytes\n";  
                 }  
                 $req->next;  
                 Module::Refresh->refresh;  
         }  
 }  
   
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