complete Rev => Coolio renaming

We use Cool.io internally everywhere now, but preserve
Rev-based models for anybody using them.

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/rainbows/coolio/heartbeat.rb b/lib/rainbows/coolio/heartbeat.rb
new file mode 100644
index 0000000..d1f4747
--- /dev/null
+++ b/lib/rainbows/coolio/heartbeat.rb
@@ -0,0 +1,20 @@
+# -*- encoding: binary -*-
+# :enddoc:
+# This class handles the Unicorn fchmod heartbeat mechanism
+# in Coolio-based concurrency models to prevent the master
+# process from killing us unless we're blocked.  This class
+# will also detect and execute the graceful exit if triggered
+# by SIGQUIT
+class Rainbows::Coolio::Heartbeat < Coolio::TimerWatcher
+  KATO = Rainbows::Coolio::KATO
+  CONN = Rainbows::Coolio::CONN
+  G = Rainbows::G
+
+  def on_timer
+    if (ot = G.kato) >= 0
+      ot = Time.now - ot
+      KATO.delete_if { |client, time| time < ot and client.timeout? }
+    end
+    exit if (! G.tick && CONN.size <= 0)
+  end
+end