--- /dev/null
+#!/usr/bin/env ruby
+
+# This is a really simple session storage daemon, basically just a hash,
+# which is enabled for DRb access.
+
+require 'drb'
+
+session_hash = Hash.new
+session_hash.instance_eval { @mutex = Mutex.new }
+
+class <<session_hash
+ def []=(key, value)
+ @mutex.synchronize do
+ super(key, value)
+ end
+ end
+
+ def [](key)
+ @mutex.synchronize do
+ super(key)
+ end
+ end
+
+ def delete(key)
+ @mutex.synchronize do
+ super(key)
+ end
+ end
+end
+
+DRb.start_service('druby://127.0.0.1:9192', session_hash)
+DRb.thread.join