Initial commit

lib/peatio/bench/order_processing/direct.rb

@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+# TODO: Add Bench::Error and better errors processing.
+# TODO: Add Bench::Report and extract all metrics to it.
+module Bench
+  module OrderProcessing
+    class Direct
+      include Helpers
+
+      def initialize(config)
+        @config = config
+
+        @injector = Injectors.initialize_injector(@config[:orders])
+        @currencies = Currency.where(id: @config[:currencies].split(',').map(&:squish).reject(&:blank?))
+        @order_processor = Workers::AMQP::OrderProcessor.new
+        # TODO: Print errors in the end of benchmark and include them into report.
+        @errors = []
+      end
+
+      def run!
+        Kernel.puts "Creating members ..."
+        @members = Factories.create_list(:member, @config[:traders])
+
+        Kernel.puts "Depositing funds ..."
+        @members.map(&method(:become_billionaire))
+
+        Kernel.puts "Generating orders by injector and saving them in db..."
+        # TODO: Add orders generation progress bar.
+        @injector.generate!(@members)
+
+        @orders_number = @injector.size
+
+        @processing_started_at =  Time.now
+
+        process_orders
+
+        @processing_finished_at = Time.now
+      end
+
+      def process_orders
+        loop do
+          order = @injector.pop
+          break unless order
+
+          @order_processor.process({action: 'cancel', order: order.to_matching_attributes}.deep_stringify_keys!)
+        rescue StandardError => e
+          Kernel.puts e
+          @errors << e
+        end
+      end
+
+      # TODO: Add more useful metrics to result.
+      def result
+        @result ||=
+        begin
+          processing_ops = @orders_number / (@processing_finished_at - @processing_started_at)
+
+          # TODO: Deal with calling iso8601(6) everywhere.
+          { config: @config,
+            order_processing: {
+              started_at:  @processing_started_at.iso8601(6),
+              finished_at: @processing_finished_at.iso8601(6),
+              operations:  @orders_number,
+              ops:         processing_ops
+            }
+          }
+        end
+      end
+
+      def save_report
+        report_path = Rails.root.join(@config[:report_path])
+        FileUtils.mkpath(report_path)
+        report_name = "#{self.class.parent.name.demodulize.downcase}-"\
+                      "#{self.class.name.humanize.demodulize}-#{@config[:orders][:injector]}-"\
+                      "#{@config[:orders][:number]}-#{@processing_started_at.iso8601}.yml"
+        File.open(report_path.join(report_name), 'w') do |f|
+          f.puts YAML.dump(result.deep_stringify_keys)
+        end
+      end
+    end
+  end
+end