add rate setting

app/controllers/admin/plow_controller.rb

@@ -33,12 +33,13 @@ class Admin::PlowController < OrbitAdminController
       host = uri.host
       ip = @setting.ip
       concurrent = @setting.concurrent
+      rate = @setting.rate
       scheme = uri.scheme
       Thread.new do
         if !ip.blank?
-          `ulimit -n 100000 && #{Binary} #{scheme}://#{ip}#{uri.request_uri} --host=#{host} --listen=#{SocketFile} -c#{concurrent} --summary > #{LogFile}`
+          `ulimit -n 100000 && #{Binary} #{scheme}://#{ip}#{uri.request_uri} --host=#{host} --listen=#{SocketFile} -c#{concurrent} --rate #{rate} --summary > #{LogFile}`
         else
-          `ulimit -n 100000 && #{Binary} #{@setting.url} --listen=#{SocketFile} -c#{concurrent} --summary > #{LogFile}`
+          `ulimit -n 100000 && #{Binary} #{@setting.url} --listen=#{SocketFile} -c#{concurrent} --rate #{rate} --summary > #{LogFile}`
         end
       end
       max_wait = 10

app/models/plow_setting.rb

@@ -5,4 +5,5 @@ class PlowSetting
   field :concurrent, type: Integer, :default => 1
   field :ip, type: String
   field :url, type: String
+  field :rate, type: Integer, :default => 5000
 end

app/views/admin/plow/setting.html.erb

@@ -25,6 +25,13 @@
 			</div>
 		</div>
 
+		<div class="control-group">
+			<label class="control-label muted" for="rate">Request Rate(Requests/seconds)</label>
+			<div class="controls">
+				<%= f.number_field :rate, :class => 'input-large' %>
+			</div>
+		</div>
+
 		<% if !@logContent.blank? %>
 			<div class="control-group">
 				<label class="control-label muted">Summary</label>