From ef42591e391efeee625ac139ed6e9c07a3c38eb0 Mon Sep 17 00:00:00 2001
From: Patrick J Cherry <patrick@bytemark.co.uk>
Date: Fri, 16 Sep 2011 12:40:49 +0100
Subject: Remove the canary

---
 lib/canary.rb | 55 -------------------------------------------------------
 1 file changed, 55 deletions(-)
 delete mode 100644 lib/canary.rb

diff --git a/lib/canary.rb b/lib/canary.rb
deleted file mode 100644
index afe3a16..0000000
--- a/lib/canary.rb
+++ /dev/null
@@ -1,55 +0,0 @@
-# encoding: UTF-8
-require 'logger'
-
-# A little canary class to make sure that threads are are overloaded.
-class Canary
-
-  # Accessor.
-  attr_reader :sleep_time
-
-  # Accessor.
-  attr_reader :threshold
-
-  # Default constructor.
-  def initialize (st=1, log=nil)
-    if Float != st.class and Fixnum != st.class
-      raise ArgumentError.new(
-        "Expected either Fixnum or Float for time to sleep, got #{st.class}.") 
-    end
-    @sleep_time = st
-    @threshold = (0.05 * @sleep_time) + @sleep_time
-    @logger = log
-  end
-
-  # Runs the check.
-  def run
-    loop do
-      self.do_test()
-    end
-  end
-
-  def do_test
-    time_start = Time.now
-    sleep(@sleep_time)
-    time_end = Time.now
-    time_elapsed = (time_end - time_start).abs
-    if @threshold < time_elapsed
-      @logger.fatal("Time elapsed is #{time_elapsed} > #{@threshold} therefore Canary is dead.")
-      return false
-    else
-      @logger.debug("Time elapsed is #{time_elapsed} < #{@threshold} therefore Canary is alive.")
-      return true
-    end
-  end
-
-  # Starts a canary in a thread.
-  def self.start (st=1, log=nil)
-    #Thread.abort_on_exception = true
-    thr = Thread.new() do
-      Thread.current[:name] = "Canary Thread"
-      twiti = Canary.new(st, log)
-      twiti.run()
-    end
-  end
-
-end
-- 
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