Merge pull request #395 from minond/mm/separate-base-request-fields

Creating request fields in new Base#request_fields method.

Author: film42

lib/protobuf/rpc/connectors/base.rb

@@ -139,12 +139,7 @@ def ping_port_enabled?
 
         def request_bytes
           validate_request_type!
-          fields = { :service_name => @options[:service].name,
-                     :method_name => @options[:method].to_s,
-                     :request_proto => @options[:request],
-                     :caller => request_caller }
-
-          return ::Protobuf::Socketrpc::Request.encode(fields)
+          return ::Protobuf::Socketrpc::Request.encode(request_fields)
         rescue => e
           failure(:INVALID_REQUEST_PROTO, "Could not set request proto: #{e.message}")
         end
@@ -153,6 +148,13 @@ def request_caller
           @options[:client_host] || ::Protobuf.client_host
         end
 
+        def request_fields
+          { :service_name => @options[:service].name,
+            :method_name => @options[:method].to_s,
+            :request_proto => @options[:request],
+            :caller => request_caller }
+        end
+
         def send_request
           fail 'If you inherit a Connector from Base you must implement send_request'
         end