From 735e4d24a9d3674a3059b20260b808056aec6446 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Fri, 19 Jun 2015 22:32:13 +0200
Subject: Add #perform_disconnection to have a place for both callbacks and
 logging

And using an unlikely-to-clash name.
---
 lib/action_cable/channel/base.rb    | 13 ++++++++-----
 lib/action_cable/connection/base.rb |  4 ++--
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/lib/action_cable/channel/base.rb b/lib/action_cable/channel/base.rb
index c18593bf6f..8580f9d75b 100644
--- a/lib/action_cable/channel/base.rb
+++ b/lib/action_cable/channel/base.rb
@@ -56,11 +56,9 @@ module ActionCable
           send(callback)
         end
       end
-
-      def run_unsubscribe_callbacks
-        self.class.on_unsubscribe_callbacks.each do |callback|
-          send(callback)
-        end
+      def perform_disconnection
+        run_unsubscribe_callbacks
+        logger.info "#{self.class.name} disconnected"
       end
 
       protected
@@ -89,6 +87,11 @@ module ActionCable
           end
         end
 
+      private
+        def run_unsubscribe_callbacks
+          self.class.on_unsubscribe_callbacks.each { |callback| send(callback) }
+        end
+
         def start_periodic_timers
           self.class.periodic_timers.each do |callback, options|
             @_active_periodic_timers << EventMachine::PeriodicTimer.new(options[:every]) do
diff --git a/lib/action_cable/connection/base.rb b/lib/action_cable/connection/base.rb
index e5ed07b5cc..2ae5c5554c 100644
--- a/lib/action_cable/connection/base.rb
+++ b/lib/action_cable/connection/base.rb
@@ -81,7 +81,7 @@ module ActionCable
 
       def cleanup_subscriptions
         @subscriptions.each do |id, channel|
-          channel.run_unsubscribe_callbacks
+          channel.perform_disconnection
         end
       end
 
@@ -161,7 +161,7 @@ module ActionCable
 
         def unsubscribe_channel(data)
           logger.info "Unsubscribing from channel: #{data['identifier']}"
-          @subscriptions[data['identifier']].run_unsubscribe_callbacks
+          @subscriptions[data['identifier']].perform_disconnection
           @subscriptions.delete(data['identifier'])
         end
 
-- 
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