Updated Changes

[catagits/Catalyst-Runtime.git] / lib / Catalyst / Engine.pm

diff --git a/lib/Catalyst/Engine.pm b/lib/Catalyst/Engine.pm
index cbc5896..a42eab9 100644 (file)
--- a/lib/Catalyst/Engine.pm
+++ b/lib/Catalyst/Engine.pm
@@ -20,7 +20,7 @@ require Module::Pluggable::Fast;
 $Data::Dumper::Terse = 1;
 
 __PACKAGE__->mk_classdata('components');
-__PACKAGE__->mk_accessors(qw/request response state/);
+__PACKAGE__->mk_accessors(qw/counter request response state/);
 
 *comp = \&component;
 *req  = \&request;
@@ -30,8 +30,9 @@ __PACKAGE__->mk_accessors(qw/request response state/);
 *finalize_output = \&finalize_body;
 
 # For statistics
-our $COUNT = 1;
-our $START = time;
+our $COUNT     = 1;
+our $START     = time;
+our $RECURSION = 1000;
 
 =head1 NAME
 
@@ -80,20 +81,31 @@ Regex search for a component.
 =cut
 
 sub component {
-    my ( $c, $name ) = @_;
+    my $c = shift;
 
-    if ( my $component = $c->components->{$name} ) {
-        return $component;
-    }
+    if (@_) {
 
-    else {
-        for my $component ( keys %{ $c->components } ) {
-            return $c->components->{$component} if $component =~ /$name/i;
+        my $name = shift;
+
+        if ( my $component = $c->components->{$name} ) {
+            return $component;
+        }
+
+        else {
+            for my $component ( keys %{ $c->components } ) {
+                return $c->components->{$component} if $component =~ /$name/i;
+            }
         }
     }
 
+    return sort keys %{ $c->components };
 }
 
+=item $c->counter
+
+Returns a hashref containing coderefs and execution counts.
+(Needed for deep recursion detection)
+
 =item $c->error
 
 =item $c->error($error, ...)
@@ -130,18 +142,31 @@ sub execute {
     $c->state(0);
     my $callsub = ( caller(1) )[3];
 
+    my $action = '';
+    if ( $c->debug ) {
+        $action = $c->actions->{reverse}->{"$code"};
+        $action = "/$action" unless $action =~ /\-\>/;
+        $c->counter->{"$code"}++;
+
+        if ( $c->counter->{"$code"} > $RECURSION ) {
+            my $error = qq/Deep recursion detected in "$action"/;
+            $c->log->error($error);
+            $c->error($error);
+            $c->state(0);
+            return $c->state;
+        }
+
+        $action = "-> $action" if $callsub =~ /forward$/;
+    }
+
     eval {
         if ( $c->debug )
         {
-            my $action = $c->actions->{reverse}->{"$code"};
-            $action = "/$action" unless $action =~ /\-\>/;
-            $action = "-> $action" if $callsub =~ /forward$/;
-            my ( $elapsed, @state ) =
-              $c->benchmark( $code, $class, $c, @{ $c->req->args } );
+            my ( $elapsed, @state ) = $c->benchmark( $code, $class, $c, @{ $c->req->args } );
             push @{ $c->{stats} }, [ $action, sprintf( '%fs', $elapsed ) ];
             $c->state(@state);
         }
-        else { $c->state( &$code( $class, $c, @{ $c->req->args } ) ) }
+        else { $c->state( &$code( $class, $c, @{ $c->req->args } ) ? 1 : 0 ) }
     };
 
     if ( my $error = $@ ) {
@@ -179,12 +204,13 @@ sub finalize {
         $c->finalize_error;
     }
 
-    if ( !$c->response->body_length && $c->response->status !~ /^(1|3)\d\d$/ ) {
+    if ( !$c->response->body && $c->response->status !~ /^(1|3)\d\d$/ ) {
         $c->finalize_error;
     }
 
-    if ( $c->response->body_length && !$c->response->content_length ) {
-        $c->response->content_length( $c->response->body_length );
+    if ( $c->response->body && !$c->response->content_length ) {
+        use bytes;    # play safe with a utf8 aware perl
+        $c->response->content_length( length $c->response->body );
     }
 
     my $status = $c->finalize_headers;
@@ -194,7 +220,7 @@ sub finalize {
 
 =item $c->finalize_output
 
-alias to finalize_body
+<obsolete>, see finalize_body
 
 =item $c->finalize_body
 
@@ -338,14 +364,14 @@ Finalize headers.
 
 sub finalize_headers { }
 
-=item $c->handler( $class, $engine )
+=item $c->handler( $class, @arguments )
 
 Handles the request.
 
 =cut
 
 sub handler {
-    my ( $class, $engine ) = @_;
+    my ( $class, @arguments ) = @_;
 
     # Always expect worst case!
     my $status = -1;
@@ -353,7 +379,7 @@ sub handler {
         my @stats = ();
 
         my $handler = sub {
-            my $c = $class->prepare($engine);
+            my $c = $class->prepare(@arguments);
             $c->{stats} = \@stats;
             $c->dispatch;
             return $c->finalize;
@@ -363,7 +389,8 @@ sub handler {
             my $elapsed;
             ( $elapsed, $status ) = $class->benchmark($handler);
             $elapsed = sprintf '%f', $elapsed;
-            my $av = sprintf '%.3f', ( $elapsed == 0 ? '??' : (1 / $elapsed) );
+            my $av = sprintf '%.3f',
+              ( $elapsed == 0 ? '??' : ( 1 / $elapsed ) );
             my $t = Text::ASCIITable->new;
             $t->setCols( 'Action', 'Time' );
             $t->setColWidth( 'Action', 64, 1 );
@@ -386,7 +413,7 @@ sub handler {
     return $status;
 }
 
-=item $c->prepare($engine)
+=item $c->prepare(@arguments)
 
 Turns the engine-specific request( Apache, CGI ... )
 into a Catalyst context .
@@ -394,26 +421,27 @@ into a Catalyst context .
 =cut
 
 sub prepare {
-    my ( $class, $engine ) = @_;
+    my ( $class, @arguments ) = @_;
 
     my $c = bless {
+        counter => {},
         request => Catalyst::Request->new(
             {
                 arguments  => [],
-                body       => undef,
                 cookies    => {},
                 headers    => HTTP::Headers->new,
                 parameters => {},
+                secure     => 0,
                 snippets   => [],
                 uploads    => {}
             }
         ),
         response => Catalyst::Response->new(
-            { 
-                body       => undef,
-                cookies    => {},
-                headers    => HTTP::Headers->new,
-                status     => 200
+            {
+                body    => '',
+                cookies => {},
+                headers => HTTP::Headers->new,
+                status  => 200
             }
         ),
         stash => {},
@@ -429,7 +457,7 @@ sub prepare {
         $c->res->headers->header( 'X-Catalyst' => $Catalyst::VERSION );
     }
 
-    $c->prepare_request($engine);
+    $c->prepare_request(@arguments);
     $c->prepare_connection;
     $c->prepare_headers;
     $c->prepare_cookies;
@@ -438,10 +466,9 @@ sub prepare {
 
     my $method   = $c->req->method   || '';
     my $path     = $c->req->path     || '';
-    my $hostname = $c->req->hostname || '';
     my $address  = $c->req->address  || '';
 
-    $c->log->debug(qq/"$method" request for "$path" from $hostname($address)/)
+    $c->log->debug(qq/"$method" request for "$path" from $address/)
       if $c->debug;
 
     if ( $c->request->method eq 'POST' and $c->request->content_length ) {
@@ -647,7 +674,7 @@ Setup components.
 
 sub setup_components {
     my $self = shift;
-
+    
     # Components
     my $class = ref $self || $self;
     eval <<"";
@@ -675,7 +702,7 @@ sub setup_components {
     my $t = Text::ASCIITable->new( { hide_HeadRow => 1, hide_HeadLine => 1 } );
     $t->setCols('Class');
     $t->setColWidth( 'Class', 75, 1 );
-    $t->addRow($_) for keys %{ $self->components };
+    $t->addRow($_) for sort keys %{ $self->components };
     $self->log->debug( 'Loaded components', $t->draw )
       if ( @{ $t->{tbl_rows} } && $self->debug );
 
@@ -697,8 +724,8 @@ Returns a hashref containing all your data.
 
 sub stash {
     my $self = shift;
-    if ( $_[0] ) {
-        my $stash = $_[1] ? {@_} : $_[0];
+    if (@_) {
+        my $stash = @_ > 1 ? {@_} : $_[0];
         while ( my ( $key, $val ) = each %$stash ) {
             $self->{stash}->{$key} = $val;
         }