1 files changed, 22 insertions, 0 deletions
diff --git a/lib/Net/HTTP/Spore/Middleware/Runtime.pm b/lib/Net/HTTP/Spore/Middleware/Runtime.pm
new file mode 100644
index 0000000..1614c31
--- /dev/null
+++ b/lib/Net/HTTP/Spore/Middleware/Runtime.pm
@@ -0,0 +1,22 @@
+package Net::HTTP::Spore::Middleware::Runtime;
+
+use Moose;
+extends 'Net::HTTP::Spore::Middleware';
+use Time::HiRes;
+
+sub call {
+    my ( $self, $req) = @_;
+
+    my $start_time = [Time::HiRes::gettimeofday];
+
+    $self->response_cb(
+        sub {
+            my $res = shift;
+            my $req_time = sprintf '%.6f',
+              Time::HiRes::tv_interval($start_time);
+            $res->header('X-Spore-Runtime' => $req_time);
+        }
+    );
+}
+
+1;