/[Frey]/trunk/lib/Frey/Server.pm
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trunk/server.pl revision 10 by dpavlin, Sat Jun 28 22:13:05 2008 UTC trunk/lib/Frey/Server.pm revision 37 by dpavlin, Mon Jun 30 20:02:06 2008 UTC
# Line 1  Line 1 
1  #!/usr/bin/perl  package Frey::Server;
2    
 # server of yet unnamed framework  
   
 use warnings;  
3  use strict;  use strict;
4    use warnings;
 use lib 'lib';  
5    
6  use Continuity;  use Continuity;
7  use Continuity::REPL;  #use Continuity::REPL;
8  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
9    
10  use HTML;  use base 'Frey';
11    use Frey::HTML;
12    
13  my @messages;    # Global (shared) list of messages  my @messages;    # Global (shared) list of messages
14  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
15    
16  use vars qw( $repl $server );  use vars qw( $repl $server );
 $repl = Continuity::REPL->new;  
17    
18    #$repl = Continuity::REPL->new;
19  $server = Continuity->new(  $server = Continuity->new(
20    port => 16001,          port => 16001,
21    path_session => 1,          path_session => 1,
22    cookie_session => 'sid',          cookie_session => 'sid',
23            callback => \&main,
24  );  );
25  $server->debug_level( 2 );  $server->debug_level( 2 );
26    
27  $server->loop;  sub run {
28            $server->loop;
29    }
30    
31    my @callbacks;
32    my $callback_count;
33    
34    sub gen_link {
35            my ($text, $code) = @_;
36            $callbacks[$callback_count] = $code;
37            my $out = qq{<a href="?cb=$callback_count">$text</a>};
38            $callback_count++;
39            return $out;
40    }
41    
42    sub process_links {
43            my $request = shift;
44            my $cb = $request->param('cb');
45            if (exists $callbacks[$cb]) {
46                    $callbacks[$cb]->($request);
47    #               delete $callbacks[$cb];
48            }
49    }
50    
51  # This is the main entrypoint. We are looking for one of three things -- a  # This is the main entrypoint. We are looking for one of three things -- a
52  # pushstream, a sent message, or a request for the main HTML. We delegate each  # 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).  # of these cases, none of which will return (they all loop forever).
54  sub main {  sub main {
55    my ($req) = @_;          my ($req) = @_;
56        
57    my $path = $req->request->url->path;          my $path = $req->request->url->path;
58    print STDERR "Path: '$path'\n";          warn "REQUEST: $path\n";
59    
60          warn $req->request->header('User_Agent');          warn $req->request->header('User_Agent');
61  #warn dump( $req );  #warn dump( $req );
62    
63    # If this is a request for the pushtream, then give them that          # If this is a request for the pushtream, then give them that
64    if($path =~ /pushstream/) {          if($path =~ /pushstream/) {
65      pushstream($req);                  pushstream($req);
66    }          }
67        
68    # If they are sending us a message, we give them a thread for that too          # If they are sending us a message, we give them a thread for that too
69    if($path =~ /sendmessage/) {          if($path =~ /sendmessage/) {
70      send_message($req);                  send_message($req);
71    }          }
72    
73            if ( $path =~ m/test/ ) {
74                    use Data::Dumper;
75                    $Data::Dumper::Deparse = 1;
76    
77                    my $x = 0;
78                    my $continue = 1;
79                    my $link1 = gen_link('+' => sub { $x++ });
80                    my $link2 = gen_link('-' => sub { $x-- });
81                    my $out = gen_link('X' => sub { $continue = 0 });
82                    while ( $continue ) {
83                            warn "## x = $x ",dump( $req->params );
84                            $req->print("\$x is now: $x");
85                            $req->print($link1, ' ', $link2, ' ', $out);
86                            $req->print('<pre>'.Dumper( @callbacks ).'</pre>');
87                            $req->next;
88                            process_links($req);
89                    }
90            }
91    
92    # Otherwise, lets give them the base page          # Otherwise, lets give them page
93    send_base_page($req);          send_page($req);
94  }  }
95    
96  # 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 93  sub send_message { Line 132  sub send_message {
132    
133  # This isn't a pushstream, nor a new message. It is just the main page. We loop  # This isn't a pushstream, nor a new message. It is just the main page. We loop
134  # in case they ask for it multiple times :)  # in case they ask for it multiple times :)
135  sub send_base_page {  sub send_page {
136    my ($req) = @_;          my ($req) = @_;
137    while(1) {          my $templates = Template::Declare->templates;
138          warn "param = ",dump($req->param);          while(1) {
139                    warn "param = ",dump($req->param);
140          my $id = $req->param('id');                  my $path = $req->request->url->path;
141  #       $id = 1 unless $id =~ m/^\d+$/;  
142                    my $html;
143          use Strix::User;  
144          my $user = Strix::User->new( id => $id );                  if ( $path =~ m/::/ ) {
145                            my ( undef, $module, $method ) = split(m!/!, $path, 3);
146          if ( ! $user ) {  
147                  $req->print( "Can't find user with id $id" );                          if ( ! defined( $templates->{$module} ) ) {
148          } else {                                  $req->conn->send_status_line( 404, "$module" );
149                  $req->print( HTML->view( 'user', $user ) );                                  $html = "Package $module not found";
150                            } elsif ( ! $method ) {
151                                    $html = Frey::HTML->page( 'package-methods', $req, $module );
152                            } elsif ( grep(/^\Q$method\E$/, @{ $templates->{$module} }) ) {
153                                    $html = Frey::HTML->page( $method, $req );
154                            } else {
155                                    $req->conn->send_status_line( 404, "$module $method" );
156                                    $html = "Package $module doesn't have $method";
157                            }
158                    } else {
159                            warn "fallback to status page\n";
160                            $html = Frey::HTML->page( 'status' );
161                    }
162    
163                    $req->print( $html );
164                    warn ">> ",length( $html ), " bytes\n";
165                    $req->next;
166          }          }
   
 =for later  
     $req->print(qq{  
       <html>  
         <head>  
           <title>Chat!</title>  
           <script src="jquery.js" type="text/javascript"></script>  
           <script src="chat-ajax-push.js" type="text/javascript"></script>  
         </head>  
         <body>  
           <form id=f>  
           <input type=text id=username name=usernamename size=10>  
           <input type=text id=message name=message size=50>  
           <input type=submit name="sendbutton" value="Send" id="sendbutton">  
           <span id=status></span>  
           </form>  
           <br>  
           <div id=log>-- no messages yet --</div>  
         </body>  
       </html>  
     });  
 =cut  
     $req->next;  
   }  
167  }  }
168    
169    1;
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