Add logging

1 files changed, 8 insertions, 1 deletions

diff --git a/lib/action_cable/server.rb b/lib/action_cable/server.rb
index 96d21416bf..8f72d2ca7b 100644
--- a/lib/action_cable/server.rb
+++ b/lib/action_cable/server.rb
@@ -6,6 +6,8 @@ module ActionCable
     class_attribute :worker_pool_size
     self.worker_pool_size = 100
 
+    cattr_accessor(:logger, instance_reader: true) { Rails.logger }
+
     class << self
       def register_channels(*channel_classes)
         self.registered_channels += channel_classes
@@ -66,6 +68,7 @@ module ActionCable
     end
 
     def broadcast(data)
+      logger.info "Sending data: #{data}"
       @websocket.send data
     end
 
@@ -81,19 +84,23 @@ module ActionCable
         subscription_klass = registered_channels.detect { |channel_klass| channel_klass.find_name == id_options[:channel] }
 
         if subscription_klass
+          logger.info "Subscribing to channel: #{id_key}"
           @subscriptions[id_key] = subscription_klass.new(self, id_key, id_options)
         else
-          # No channel found
+          logger.error "Unable to subscribe to channel: #{id_key}"
         end
       end
 
       def process_message(message)
         if @subscriptions[message['identifier']]
           @subscriptions[message['identifier']].receive(ActiveSupport::JSON.decode message['data'])
+        else
+          logger.error "Unable to process message: #{message}"
         end
       end
 
       def unsubscribe_channel(data)
+        logger.info "Unsubscribing from channel: #{data['identifier']}"
         @subscriptions[data['identifier']].unsubscribe
         @subscriptions.delete(data['identifier'])
       end