From aaad3ea707a7ed28bbf4591f1b7b1bdde62714c4 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Mon, 22 Jun 2015 16:09:37 +0200
Subject: Slim down the web socket respond blocks

Move heartbeat into on_open/close and add a similarly named on_message
to handle that callback.
---
 lib/action_cable/connection/base.rb | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/lib/action_cable/connection/base.rb b/lib/action_cable/connection/base.rb
index da1fe380e2..e97d40c941 100644
--- a/lib/action_cable/connection/base.rb
+++ b/lib/action_cable/connection/base.rb
@@ -27,26 +27,12 @@ module ActionCable
         if websocket?
           @websocket = Faye::WebSocket.new(@env)
 
-          @websocket.on(:open) do |event|
-            heartbeat.start
-            send_async :on_open
-          end
-
-          @websocket.on(:message) do |event|
-            message_buffer.append event.data
-          end
-
-          @websocket.on(:close) do |event|
-            logger.info finished_request_message
-
-            heartbeat.stop
-            send_async :on_close
-          end
+          @websocket.on(:open)    { |event| send_async :on_open   }
+          @websocket.on(:message) { |event| on_message event.data }
+          @websocket.on(:close)   { |event| send_async :on_close  }
 
           @websocket.rack_response
         else
-          logger.info finished_request_message
-
           respond_to_invalid_request
         end
       end
@@ -108,16 +94,24 @@ module ActionCable
 
           connect if respond_to?(:connect)
           subscribe_to_internal_channel
+          heartbeat.start
 
           message_buffer.process!
         end
 
+        def on_message(message)
+          message_buffer.append event.data
+        end
 
         def on_close
+          logger.info finished_request_message
+
           server.remove_connection(self)
 
           subscriptions.cleanup
           unsubscribe_from_internal_channel
+          heartbeat.stop
+
           disconnect if respond_to?(:disconnect)
         end
 
@@ -135,6 +129,7 @@ module ActionCable
         end
 
         def respond_to_invalid_request
+          logger.info finished_request_message
           [ 404, { 'Content-Type' => 'text/plain' }, [ 'Page not found' ] ]
         end
 
-- 
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