[PATCH] env["hack.io"] for Fiber*, Revactor, Thread* models

[Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org>]

This exposes a client IO object directly to the underlying
application.
---

  In case you already have an installation and just want to patch that,
  this is the patch I made for Rainbows! that exposes the ability to
  be used with LMGTWTY

 lib/rainbows/base.rb       |    1 +
 lib/rainbows/const.rb      |    6 ++++++
 lib/rainbows/fiber/base.rb |    1 +
 lib/rainbows/revactor.rb   |    1 +
 4 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/lib/rainbows/base.rb b/lib/rainbows/base.rb
index 424b43b..a735b82 100644
--- a/lib/rainbows/base.rb
+++ b/lib/rainbows/base.rb
@@ -43,6 +43,7 @@ module Rainbows
           buf << client.readpartial(CHUNK_SIZE)
         end
 
+        env[CLIENT_IO] = client
         env[RACK_INPUT] = 0 == hp.content_length ?
                  HttpRequest::NULL_IO :
                  Unicorn::TeeInput.new(client, env, hp, buf)
diff --git a/lib/rainbows/const.rb b/lib/rainbows/const.rb
index 69e58aa..900c9d9 100644
--- a/lib/rainbows/const.rb
+++ b/lib/rainbows/const.rb
@@ -19,5 +19,11 @@ module Rainbows
     CONN_ALIVE = "Connection: keep-alive\r\n"
     LOCALHOST = "127.0.0.1"
 
+    # client IO object that supports reading and writing directly
+    # without filtering it through the HTTP chunk parser.
+    # Maybe we can get this renamed to "rack.io" if it becomes part
+    # of the official spec, but for now it is "hack.io"
+    CLIENT_IO = "hack.io".freeze
+
   end
 end
diff --git a/lib/rainbows/fiber/base.rb b/lib/rainbows/fiber/base.rb
index 129448c..995b4af 100644
--- a/lib/rainbows/fiber/base.rb
+++ b/lib/rainbows/fiber/base.rb
@@ -82,6 +82,7 @@ module Rainbows
             buf << (client.read_timeout or return)
           end
 
+          env[CLIENT_IO] = client
           env[RACK_INPUT] = 0 == hp.content_length ?
                     HttpRequest::NULL_IO : TeeInput.new(client, env, hp, buf)
           env[REMOTE_ADDR] = remote_addr
diff --git a/lib/rainbows/revactor.rb b/lib/rainbows/revactor.rb
index b647d48..ff0e429 100644
--- a/lib/rainbows/revactor.rb
+++ b/lib/rainbows/revactor.rb
@@ -49,6 +49,7 @@ module Rainbows
           buf << client.read(*rd_args)
         end
 
+        env[Const::CLIENT_IO] = client
         env[Const::RACK_INPUT] = 0 == hp.content_length ?
                  HttpRequest::NULL_IO :
                  Rainbows::Revactor::TeeInput.new(client, env, hp, buf)
-- 
Eric Wong
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