cleanup: avoid redundant REMOTE_ADDR logic

Every concurrency model does this the same way.

This removes the Rainbows::Const::LOCALHOST constant and
may break some existing apps that rely on it.

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/rainbows.rb b/lib/rainbows.rb
index 5c8ee94..50db8a8 100644
--- a/lib/rainbows.rb
+++ b/lib/rainbows.rb
@@ -73,6 +73,13 @@ module Rainbows
       rv
     rescue Errno::EAGAIN, Errno::ECONNABORTED
     end
+
+    # returns a string representing the address of the given client +io+
+    # For local UNIX domain sockets, this will return a string referred
+    # to by the (non-frozen) Unicorn::HttpRequest::LOCALHOST constant.
+    def addr(io)
+      TCPSocket == io ? io.peeraddr.last : Unicorn::HttpRequest::LOCALHOST
+    end
   end
 
   # configures \Rainbows! with a given concurrency model to +use+ and