[Groonga-commit] droonga/droonga-engine at 67ce4de [master] Implement system.absorb-data command

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YUKI Hiroshi null+****@clear*****
Fri Apr 10 13:08:34 JST 2015


YUKI Hiroshi	2015-04-10 13:08:34 +0900 (Fri, 10 Apr 2015)

  New Revision: 67ce4de554987959aca21ea639e3cda9cb982df6
  https://github.com/droonga/droonga-engine/commit/67ce4de554987959aca21ea639e3cda9cb982df6

  Message:
    Implement system.absorb-data command

  Modified files:
    lib/droonga/plugins/system/absorb_data.rb

  Modified: lib/droonga/plugins/system/absorb_data.rb (+49 -0)
===================================================================
--- lib/droonga/plugins/system/absorb_data.rb    2015-04-10 12:38:19 +0900 (ba2c6c0)
+++ lib/droonga/plugins/system/absorb_data.rb    2015-04-10 13:08:34 +0900 (26c8150)
@@ -14,6 +14,10 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
 require "droonga/plugin"
+require "droonga/catalog/dataset"
+require "droonga/node_name"
+
+require "drndump/dumper"
 
 module Droonga
   module Plugins
@@ -21,9 +25,54 @@ module Droonga
       class AbsorbDataHandler < Droonga::Handler
         action.synchronous = true
 
+        class MissingHostParameter < BadRequest
+          def initialize
+            super("\"host\" must be specified.")
+          end
+        end
+
+        class DumpFailed < InternalServerError
+          def initialize(error)
+            super("source node returns an error.",
+                  error)
+          end
+        end
+
         def handle(message)
+          raise MissingHostParameter.new unless message.include?("host")
+
+          dumper = Drndump::Dumper.new(dumper_params(message))
+          error_message = dumper.run do |message|
+            @messenger.forward(message,
+                               "to"   => my_node_name,
+                               "type" => message["type"])
+          end
+
+          raise DumpFailed.new(error_message) if error_message
+
           true
         end
+
+        private
+        def dumper_params(message)
+          {
+            :host    => message["host"],
+            :port    => message["port"]    ||= NodeName::DEFAULT_PORT,
+            :tag     => message["tag"]     ||= NodeName::DEFAULT_TAG,
+            :dataset => message["dataset"] ||= Catalog::Dataset::DEFAULT_NAME,
+
+            :receiver_host => myself.host,
+            :receiver_port => 0,
+          }
+        end
+
+        def myself
+          @myself ||= NodeName.parse(my_node_name)
+        end
+
+        def my_node_name
+          @messenger.engine_state.name
+        end
       end
 
       define_single_step do |step|
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