/[Frey]/trunk/lib/Frey/Server.pm
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revision 30 by dpavlin, Sun Jun 29 20:48:35 2008 UTC revision 280 by dpavlin, Wed Nov 5 08:20:53 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; ## XXX it would be nice, but it breaks error reporting too much
12  use Frey::HTML;  use Frey::ClassLoader;
13    use Frey::Run;
14    
15  my @messages;    # Global (shared) list of messages  my @messages;    # Global (shared) list of messages
16  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
17    
18  use vars qw( $repl $server );  use vars qw( $repl $server );
19    
20    #$repl = Continuity::REPL->new;
21    
22    =head1 NAME
23    
24    Frey::Server - Continuity based server for Frey
25    
26    =head2 DESCRIPTION
27    
28    This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
29    
30    =head2 run
31    
32      $o->run( $optional_port );
33    
34    =cut
35    
36  sub run {  sub run {
37          $repl = Continuity::REPL->new;          my ( $self, $port ) = @_;
38          $server = Continuity->new(          $server = Continuity->new(
39            port => 16001,                  port => $port || 16001,
40            path_session => 1,                  path_session => 1,
41            cookie_session => 'sid',                  cookie_session => 'sid',
42            callback => \&main,                  callback => \&main,
43                    debug_level => 2,
44                    staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?|xml|json|ya?ml)(\?.*)?$/ },
45          );          );
46          $server->debug_level( 2 );          $Module::Reload::Debug = 1; # auto if debug_level > 1
47            Frey::ClassLoader->new->load_all_classes();
48          $server->loop;          $server->loop;
49  }  }
50    
51  # This is the main entrypoint. We are looking for one of three things -- a  =head2 main
52  # pushstream, a sent message, or a request for the main HTML. We delegate each  
53  # of these cases, none of which will return (they all loop forever).  This is simple dispatcher for our server. Currently it's in flux and
54    documented only in source code.
55    
56    =cut
57    
58  sub main {  sub main {
59    my ($req) = @_;          my ($req) = @_;
60      
61    my $path = $req->request->url->path;          my $path = $req->request->url->path;
62    warn "REQUEST: $path\n";          #warn "REQUEST: $path ",dump( $req->params );
63    
64          warn $req->request->header('User_Agent');          Module::Reload->check if $path =~ m!reload! || $req->param('reload');
65  #warn dump( $req );  
66    #       warn $req->request->header('User_Agent');
67    # If this is a request for the pushtream, then give them that  
68    if($path =~ /pushstream/) {          my %params = $req->params;
69          pushstream($req);          my $html;
70    }  
71              eval {
72    # If they are sending us a message, we give them a thread for that too  
73    if($path =~ /sendmessage/) {                  my $f;
74          send_message($req);  
75    }                  my $run_regexp = join('|', Frey::Run->execute );
76    
77                    if ( $path =~ m!/Frey[:-]+ObjectBrowser! ) {
78                            $f = Frey::ObjectBrowser->new( fey_class => $params{class} );
79                            $f->request( $req );
80                    } elsif ( $path =~ m!/Frey[:-]+ObjectDesigner! ) {
81                            $f = Frey::ObjectDesigner->new( fey_class => $params{class} );
82                            $f->request( $req );
83                    } elsif ( $path =~ m!/([^/]+)/($run_regexp)! ) {
84                            my $class = $1;
85                            $class =~ s/-/::/; # sigh!
86                            warn "# run $class $2\n";
87                            $f = Frey::Run->new( class => $class, params => \%params );
88                    } else {
89                            $f = Frey::Run->new( class => 'Frey::ClassBrowser' );
90                    }
91    
92                    if ( $f ) {
93                            $req->print( $f->html );
94                    } else {
95                            warn "# can't call request on nothing!";
96                    }
97    
98            };
99    
100            my $self = $req;
101    
102            if ( $@ ) {
103                    warn $@;
104                    $req->conn->send_error( 404 );  # FIXME this should probably be 500, but we can't ship page with it
105                    $req->print( qq{<pre class="error">$@<pre>} );
106    #               Carp::REPL::repl;
107    
108            }
109    
110            # If this is a request for the pushtream, then give them that
111            if($path =~ /pushstream/) {
112                    pushstream($req);
113            }
114    
115            # If they are sending us a message, we give them a thread for that too
116            if($path =~ /sendmessage/) {
117                    send_message($req);
118            }
119    
   # Otherwise, lets give them page  
   send_page($req);  
120  }  }
121    
122  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
# Line 91  sub send_message { Line 156  sub send_message {
156    }    }
157  }  }
158    
 # This isn't a pushstream, nor a new message. It is just the main page. We loop  
 # in case they ask for it multiple times :)  
 sub send_page {  
         my ($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;  
         }  
 }  
   
159  1;  1;
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