Experiment with making the logger write on a time rounded to the inte…

…rval

lib/metriks/reporter/logger.rb

@@ -7,22 +7,20 @@ def initialize(options = {})
       @log_level = options[:log_level] || ::Logger::INFO
       @prefix    = options[:prefix]    || 'metriks:'
 
-      @registry  = options[:registry] || Metriks::Registry.default
-      @interval  = options[:interval] || 60
-      @on_error  = options[:on_error] || proc { |ex| }
+      @registry     = options[:registry] || Metriks::Registry.default
+      @time_tracker = TimeTracker.new(options[:interval] || 60)
+      @on_error     = options[:on_error] || proc { |ex| }
     end
 
     def start
       @thread ||= Thread.new do
         loop do
-          sleep @interval
-
-          Thread.new do
-            begin
-              write
-            rescue Exception => ex
-              @on_error[ex] rescue nil
-            end
+          @time_tracker.sleep
+
+          begin
+            write
+          rescue Exception => ex
+            @on_error[ex] rescue nil
           end
         end
       end
@@ -114,5 +112,23 @@ def format_message(args)
         end
       end.join(' ')
     end
+
+    class TimeTracker
+      def initialize(interval)
+        @interval = interval
+        @next_time = Time.now.to_f
+      end
+
+      def sleep
+        sleep_time = next_time - Time.now.to_f
+        Kernel.sleep(sleep_time)
+      end
+
+      def next_time
+        now = Time.now.to_f
+        @next_time = now if @next_time <= now
+        @next_time += @interval - (@next_time % @interval)
+      end
+    end
   end
 end