/[Frey]/trunk/lib/Frey/Server.pm
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revision 23 by dpavlin, Sun Jun 29 16:24:41 2008 UTC revision 223 by dpavlin, Sat Nov 1 00:14:05 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::ClassLoader;
13  use Frey::HTML;  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 );
 $repl = Continuity::REPL->new;  
19    
20  $server = Continuity->new(  #$repl = Continuity::REPL->new;
21    port => 16001,  
22    path_session => 1,  =head1 NAME
23    cookie_session => 'sid',  
24    callback => \&main,  Frey::Server - Continuity based server for Frey
25  );  
26  $server->debug_level( 2 );  =head2 DESCRIPTION
27    
28  $server->loop;  This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
29    
30  # This is the main entrypoint. We are looking for one of three things -- a  =head2 run
31  # pushstream, a sent message, or a request for the main HTML. We delegate each  
32  # of these cases, none of which will return (they all loop forever).    $o->run( $optional_port );
33    
34    =cut
35    
36    sub run {
37            my ( $self, $port ) = @_;
38            $server = Continuity->new(
39                    port => $port || 16001,
40                    path_session => 1,
41                    cookie_session => 'sid',
42                    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            $Module::Reload::Debug = 1; # auto if debug_level > 1
47            Frey::ClassLoader->new->load_all_classes();
48            $server->loop;
49    }
50    
51    =head2 main
52    
53    This is simple dispatcher for our server. Currently it's in flux and
54    documented only in source code.
55    
56    =cut
57    
58  sub main {  sub main {
59    my ($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/) {  #       eval {
69          pushstream($req);          {
70    }  
71                      my $f;
72    # If they are sending us a message, we give them a thread for that too  
73    if($path =~ /sendmessage/) {                  my $run_regexp = join('|', Frey::Run->execute );
74          send_message($req);  
75    }                  if ( $path =~ m!/~/([^/]+)(.*)! ) {
76                            $f = Frey::Introspect->new( package => $1 );
77                    } elsif ( $path =~ m!/ob/([^/]+)(.*)! ) {
78                            $f = Frey::ObjectBrowser->new( fey_class => $1 );
79                    } elsif ( $path =~ m!/od/([^/]+)(.*)! ) {
80                            $f = Frey::ObjectDesigner->new( fey_class => $1 );
81                    } elsif ( $path =~ m!/($run_regexp)/([^/]+)(.*)! ) {
82                            warn "# run $1 $2\n";
83                            $f = Frey::Run->new( class => $2 );
84                    } else {
85                            $f = Frey::Run->new( class => 'Frey::ClassBrowser' );
86                    }
87                    $f->request( $req ) if $f;
88    
89            };
90    
91            my $self = $req;
92    
93            if ( $@ ) {
94                    warn $@;
95                    $req->conn->send_error( 404 );  # FIXME this should probably be 500, but we can't ship page with it
96                    $req->print( qq{<pre class="error">$@<pre>} );
97    #               Carp::REPL::repl;
98    
99            }
100    
101            # If this is a request for the pushtream, then give them that
102            if($path =~ /pushstream/) {
103                    pushstream($req);
104            }
105    
106            # If they are sending us a message, we give them a thread for that too
107            if($path =~ /sendmessage/) {
108                    send_message($req);
109            }
110    
   # Otherwise, lets give them page  
   send_page($req);  
111  }  }
112    
113  # Here we accept a connection to the browser, and keep it open. Meanwhile we  # Here we accept a connection to the browser, and keep it open. Meanwhile we
# Line 90  sub send_message { Line 147  sub send_message {
147    }    }
148  }  }
149    
150  # This isn't a pushstream, nor a new message. It is just the main page. We loop  1;
 # in case they ask for it multiple times :)  
 sub send_page {  
         my ($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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