initial import of failover code

lib/amqp/failover/basic_client.rb

@@ -0,0 +1,55 @@
+# encoding: utf-8
+
+module AMQP
+  module Failover
+    module BasicClient
+      include AMQP::BasicClient
+      
+      class Error < Exception; end
+      
+      attr_accessor :on_disconnect
+      attr_accessor :settings
+      
+      def self.extended(base)
+        base.on_disconnect = proc {
+          OnDisconnect.new(base).call
+        }
+      end
+      
+      def logger
+        @logger ||= Logger.new
+      end
+      
+      def failover_conf
+        @failover_conf ||= Config.new
+      end
+      
+      def configs
+        failover_conf.configs
+      end
+      
+      def clean_exit(msg = nil)
+        msg ||= "clean exit"
+        logger.info(msg)
+        logger.error(msg)
+        Process.exit
+      end
+      
+      def process_frame(frame)
+        if mq = channels[frame.channel]
+          mq.process_frame(frame)
+          return
+        end
+        
+        if frame.is_a?(::AMQP::Frame::Method) && (method = frame.payload).is_a?(::AMQP::Protocol::Connection::Close)
+          if method.reply_text =~ /^NOT_ALLOWED/
+            raise ::AMQP::Error, "#{method.reply_text} in #{::AMQP::Protocol.classes[method.class_id].methods[method.method_id]}"
+          end
+        end
+        super(frame)
+      end
+      
+    end # BasicClient
+  end # Failover
+end # AMQP
+