add FiberPool concurrency model

This is another Fiber-based concurrency model that can exploit
a streaming "rack.input" for clients.  Spawning Fibers seems
pretty fast, but maybe there are apps that will benefit from
this.

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/rainbows/dev_fd_response.rb b/lib/rainbows/dev_fd_response.rb
index 5b90d24..9ad326c 100644
--- a/lib/rainbows/dev_fd_response.rb
+++ b/lib/rainbows/dev_fd_response.rb
@@ -38,8 +38,10 @@ module Rainbows
         end
 
         # we need to make sure our pipe output is Fiber-compatible
-        env["rainbows.model"] == :FiberSpawn and
+        case env["rainbows.model"]
+        when :FiberSpawn, :FiberPool
           return [ status, headers.to_hash, Fiber::IO.new(io,::Fiber.current) ]
+        end
       else # unlikely, char/block device file, directory, ...
         return response
       end