unicorn Ruby/Rack server user+dev discussion/patches/pulls/bugs/help
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From: Eric Wong <e@80x24.org>
To: unicorn-public@bogomips.org
Cc: e@80x24.org
Subject: [PATCH 2/2] avoid extra allocation for hijack proc creation
Date: Sat, 16 May 2015 21:30:25 +0000	[thread overview]
Message-ID: <1431811825-20664-3-git-send-email-e@80x24.org> (raw)
In-Reply-To: <1431811825-20664-1-git-send-email-e@80x24.org>

proc creation is expensive, so merely use a 48-byte generic ivar
hash slot for @socket instead.
---
 lib/unicorn/http_request.rb | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/lib/unicorn/http_request.rb b/lib/unicorn/http_request.rb
index b32003e..b60e383 100644
--- a/lib/unicorn/http_request.rb
+++ b/lib/unicorn/http_request.rb
@@ -97,15 +97,21 @@ class Unicorn::HttpParser
 
     e[RACK_INPUT] = 0 == content_length ?
                     NULL_IO : @@input_class.new(socket, self)
-    hijack_setup(e, socket)
+
+    # for Rack hijacking in Rack 1.5 and later
+    @socket = socket
+    e[RACK_HIJACK] = self
+
     e.merge!(DEFAULTS)
   end
 
-  def hijacked?
-    env.include?(RACK_HIJACK_IO)
+  # for rack.hijack, we respond to this method so no extra allocation
+  # of a proc object
+  def call
+    env[RACK_HIJACK_IO] = @socket
   end
 
-  def hijack_setup(e, socket)
-    e[RACK_HIJACK] = proc { e[RACK_HIJACK_IO] = socket }
+  def hijacked?
+    env.include?(RACK_HIJACK_IO)
   end
 end
-- 
EW


      parent reply	other threads:[~2015-05-16 21:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-16 21:30 [PATCH 0/2] no avoiding rack.hijack anymore Eric Wong
2015-05-16 21:30 ` [PATCH 1/2] http_request: support rack.hijack by default Eric Wong
2015-05-19 20:01   ` [PATCH] http_response: avoid special-casing for Rack < 1.5 Eric Wong
2015-05-16 21:30 ` Eric Wong [this message]

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