De-uglify a comment

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

diff --git a/lib/Catalyst/Engine.pm b/lib/Catalyst/Engine.pm
index 1fdbfeb..6919625 100644 (file)
--- a/lib/Catalyst/Engine.pm
+++ b/lib/Catalyst/Engine.pm
@@ -12,8 +12,7 @@ use HTTP::Headers;
 use URI::QueryParam;
 use Moose::Util::TypeConstraints;
 use Plack::Loader;
-use Plack::Middleware::Conditional;
-use Plack::Middleware::ReverseProxy;
+use Catalyst::EngineLoader;
 use Encode ();
 use utf8;
 
@@ -775,19 +774,31 @@ The amount of input data that has already been read.
 =head2 $self->run($app, $server)
 
 Start the engine. Builds a PSGI application and calls the
-run method on the server passed in..
+run method on the server passed in, which then causes the
+engine to loop, handling requests..
 
 =cut
 
 sub run {
-    my ($self, $app, @args) = @_;
-    my $server = pop @args if blessed $args[-1];
-    $server ||= Plack::Loader->auto(); # We're not being called from a script,
-                                       # so auto detect what backend to run on.
-                                       # This does *NOT* cover mod_perl.
-    # FIXME - Do something sensible with the options we're passed
-    my $psgi = $self->build_psgi_app($app, @args);
-    $server->run($psgi);
+    my ($self, $app, $psgi, @args) = @_;
+    # @args left here rather than just a $options, $server for back compat with the
+    # old style scripts which send a few args, then a hashref
+
+    # They should never actually be used in the normal case as the Plack engine is
+    # passed in got all the 'standard' args via the loader in the script already.
+
+    # FIXME - we should stash the options in an attribute so that custom args
+    # like Gitalist's --git_dir are possible to get from the app without stupid tricks.
+    my $server = pop @args if (scalar @args && blessed $args[-1]);
+    my $options = pop @args if (scalar @args && ref($args[-1]) eq 'HASH');
+    if (! $server ) {
+        $server = Catalyst::EngineLoader->new(application_name => ref($self))->auto();
+        # We're not being called from a script, so auto detect what backend to
+        # run on.  This should never happen, as mod_perl never calls ->run,
+        # instead the $app->handle method is called per request.
+        $app->log->warn("Not supplied a Plack engine, falling back to engine auto-loader (are your scripts ancient?)")
+    }
+    $server->run($psgi, $options);
 }
 
 =head2 build_psgi_app ($app, @args)
@@ -800,7 +811,7 @@ middleware if the using_frontend_proxy config setting is set.
 sub build_psgi_app {
     my ($self, $app, @args) = @_;
 
-    my $psgi_app = sub {
+    return sub {
         my ($env) = @_;
 
         return sub {
@@ -809,18 +820,6 @@ sub build_psgi_app {
             $app->handle_request(env => $env);
         };
     };
-
-    $psgi_app = Plack::Middleware::Conditional->wrap(
-        $psgi_app,
-        condition => sub {
-            my ($env) = @_;
-            return if $app->config->{ignore_frontend_proxy};
-            return $env->{REMOTE_ADDR} eq '127.0.0.1' || $app->config->{using_frontend_proxy};
-        },
-        builder   => sub { Plack::Middleware::ReverseProxy->wrap($_[0]) },
-    );
-
-    return $psgi_app;
 }
 
 =head2 $self->write($c, $buffer)
@@ -837,7 +836,7 @@ sub write {
         $self->_prepared_write(1);
     }
 
-    return 0 if !defined $buffer;
+    $buffer = q[] unless defined $buffer;
 
     my $len = length($buffer);
     $self->_writer->write($buffer);