From e1a99a83ca135523ff8513be756f156500999cb8 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sun, 28 Jun 2015 20:24:50 +0200
Subject: Make broadcasting a concern

---
 lib/action_cable/server/base.rb         | 10 ++--------
 lib/action_cable/server/broadcasting.rb | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 8 deletions(-)
 create mode 100644 lib/action_cable/server/broadcasting.rb

(limited to 'lib/action_cable/server')

diff --git a/lib/action_cable/server/base.rb b/lib/action_cable/server/base.rb
index 6abec92dc1..6dcd282e4a 100644
--- a/lib/action_cable/server/base.rb
+++ b/lib/action_cable/server/base.rb
@@ -1,6 +1,8 @@
 module ActionCable
   module Server
     class Base
+      include ActionCable::Server::Broadcasting
+
       cattr_accessor(:logger, instance_reader: true) { Rails.logger }
 
       attr_accessor :registered_channels, :redis_config, :log_tags
@@ -49,14 +51,6 @@ module ActionCable
         @remote_connections ||= RemoteConnections.new(self)
       end
 
-      def broadcaster_for(channel)
-        Broadcaster.new(self, channel)
-      end
-
-      def broadcast(channel, message)
-        broadcaster_for(channel).broadcast(message)
-      end
-
       def connection_identifiers
         @connection_class.identifiers
       end
diff --git a/lib/action_cable/server/broadcasting.rb b/lib/action_cable/server/broadcasting.rb
new file mode 100644
index 0000000000..682064571f
--- /dev/null
+++ b/lib/action_cable/server/broadcasting.rb
@@ -0,0 +1,28 @@
+module ActionCable
+  module Server
+    module Broadcasting
+      def broadcaster_for(channel)
+        Broadcaster.new(self, channel)
+      end
+
+      def broadcast(channel, message)
+        broadcaster_for(channel).broadcast(message)
+      end
+
+      class Broadcaster
+        attr_reader :server, :channel, :redis
+        delegate :logger, to: :server
+
+        def initialize(server, channel)
+          @server, @channel = server, channel
+          @redis = @server.threaded_redis
+        end
+
+        def broadcast(message)
+          logger.info "[ActionCable] Broadcasting to #{channel}: #{message}"
+          redis.publish channel, message.to_json
+        end
+      end
+    end
+  end
+end
\ No newline at end of file
-- 
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