1 files changed, 73 insertions, 0 deletions
diff --git a/actioncable/lib/action_cable/server/base.rb b/actioncable/lib/action_cable/server/base.rb
new file mode 100644
index 0000000000..c3b64299e3
--- /dev/null
+++ b/actioncable/lib/action_cable/server/base.rb
@@ -0,0 +1,73 @@
+require 'thread'
+
+module ActionCable
+  module Server
+    # A singleton ActionCable::Server instance is available via ActionCable.server. It's used by the Rack process that starts the Action Cable server, but
+    # is also used by the user to reach the RemoteConnections object, which is used for finding and disconnecting connections across all servers.
+    #
+    # Also, this is the server instance used for broadcasting. See Broadcasting for more information.
+    class Base
+      include ActionCable::Server::Broadcasting
+      include ActionCable::Server::Connections
+
+      cattr_accessor(:config, instance_accessor: true) { ActionCable::Server::Configuration.new }
+
+      def self.logger; config.logger; end
+      delegate :logger, to: :config
+
+      attr_reader :mutex
+
+      def initialize
+        @mutex = Mutex.new
+        @remote_connections = @stream_event_loop = @worker_pool = @channel_classes = @pubsub = nil
+      end
+
+      # Called by Rack to setup the server.
+      def call(env)
+        setup_heartbeat_timer
+        config.connection_class.new(self, env).process
+      end
+
+      # Disconnect all the connections identified by `identifiers` on this server or any others via RemoteConnections.
+      def disconnect(identifiers)
+        remote_connections.where(identifiers).disconnect
+      end
+
+      # Gateway to RemoteConnections. See that class for details.
+      def remote_connections
+        @remote_connections || @mutex.synchronize { @remote_connections ||= RemoteConnections.new(self) }
+      end
+
+      def stream_event_loop
+        @stream_event_loop || @mutex.synchronize { @stream_event_loop ||= ActionCable::Connection::StreamEventLoop.new }
+      end
+
+      # The thread worker pool for handling all the connection work on this server. Default size is set by config.worker_pool_size.
+      def worker_pool
+        @worker_pool || @mutex.synchronize { @worker_pool ||= ActionCable::Server::Worker.new(max_size: config.worker_pool_size) }
+      end
+
+      # Requires and returns a hash of all of the channel class constants, which are keyed by name.
+      def channel_classes
+        @channel_classes || @mutex.synchronize do
+          @channel_classes ||= begin
+            config.channel_paths.each { |channel_path| require channel_path }
+            config.channel_class_names.each_with_object({}) { |name, hash| hash[name] = name.constantize }
+          end
+        end
+      end
+
+      # Adapter used for all streams/broadcasting.
+      def pubsub
+        @pubsub || @mutex.synchronize { @pubsub ||= config.pubsub_adapter.new(self) }
+      end
+
+      # All of the identifiers applied to the connection class associated with this server.
+      def connection_identifiers
+        config.connection_class.identifiers
+      end
+    end
+
+    ActiveSupport.run_load_hooks(:action_cable, Base.config)
+  end
+end