ensure connection is alive after checking a connection out

Rakefile

@@ -2,7 +2,7 @@ require 'rubygems'
 require 'rake'
 require 'echoe'
 
-Echoe.new('pandemic', '0.3.7') do |p|
+Echoe.new('pandemic', '0.3.8') do |p|
   p.description    = "Distribute MapReduce to any of the workers and it will spread, like a pandemic."
   p.url            = "https://github.com/arya/pandemic/"
   p.author         = "Arya Asemanfar"

lib/pandemic/client_side/cluster_connection.rb

@@ -89,6 +89,7 @@ def checkout_connection(key)
           loop do
             if select_from.size > 0
               connection = select_from.pop
+              connection.ensure_alive!
               if key.nil?
                 @grouped_available[key].delete(connection)
               else

lib/pandemic/client_side/connection.rb

@@ -10,6 +10,10 @@ def initialize(host, port, key)
       def alive?
         @socket && !@socket.closed?
       end
+
+      def ensure_alive!
+        connect unless alive?
+      end
 
       private
       def connect

pandemic.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{pandemic}
-  s.version = "0.3.7"
+  s.version = "0.3.8"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 1.2") if s.respond_to? :required_rubygems_version=
   s.authors = ["Arya Asemanfar"]
@@ -11,18 +11,17 @@ Gem::Specification.new do |s|
   s.email = %q{aryaasemanfar@gmail.com}
   s.extra_rdoc_files = ["lib/pandemic/client_side/cluster_connection.rb", "lib/pandemic/client_side/config.rb", "lib/pandemic/client_side/connection.rb", "lib/pandemic/client_side/connection_proxy.rb", "lib/pandemic/client_side/pandemize.rb", "lib/pandemic/connection_pool.rb", "lib/pandemic/mutex_counter.rb", "lib/pandemic/server_side/client.rb", "lib/pandemic/server_side/config.rb", "lib/pandemic/server_side/handler.rb", "lib/pandemic/server_side/peer.rb", "lib/pandemic/server_side/processor.rb", "lib/pandemic/server_side/request.rb", "lib/pandemic/server_side/server.rb", "lib/pandemic/util.rb", "lib/pandemic.rb", "README.markdown"]
   s.files = ["examples/client/client.rb", "examples/client/constitution.txt", "examples/client/pandemic_client.yml", "examples/server/pandemic_server.yml", "examples/server/word_count_server.rb", "lib/pandemic/client_side/cluster_connection.rb", "lib/pandemic/client_side/config.rb", "lib/pandemic/client_side/connection.rb", "lib/pandemic/client_side/connection_proxy.rb", "lib/pandemic/client_side/pandemize.rb", "lib/pandemic/connection_pool.rb", "lib/pandemic/mutex_counter.rb", "lib/pandemic/server_side/client.rb", "lib/pandemic/server_side/config.rb", "lib/pandemic/server_side/handler.rb", "lib/pandemic/server_side/peer.rb", "lib/pandemic/server_side/processor.rb", "lib/pandemic/server_side/request.rb", "lib/pandemic/server_side/server.rb", "lib/pandemic/util.rb", "lib/pandemic.rb", "Manifest", "MIT-LICENSE", "pandemic.gemspec", "Rakefile", "README.markdown", "test/client_test.rb", "test/connection_pool_test.rb", "test/functional_test.rb", "test/handler_test.rb", "test/mutex_counter_test.rb", "test/peer_test.rb", "test/processor_test.rb", "test/server_test.rb", "test/test_helper.rb", "test/util_test.rb"]
-  s.has_rdoc = true
   s.homepage = %q{https://github.com/arya/pandemic/}
   s.rdoc_options = ["--line-numbers", "--inline-source", "--title", "Pandemic", "--main", "README.markdown"]
   s.require_paths = ["lib"]
   s.rubyforge_project = %q{pandemic}
-  s.rubygems_version = %q{1.3.1}
+  s.rubygems_version = %q{1.3.4}
   s.summary = %q{Distribute MapReduce to any of the workers and it will spread, like a pandemic.}
   s.test_files = ["test/client_test.rb", "test/connection_pool_test.rb", "test/functional_test.rb", "test/handler_test.rb", "test/mutex_counter_test.rb", "test/peer_test.rb", "test/processor_test.rb", "test/server_test.rb", "test/test_helper.rb", "test/util_test.rb"]
 
   if s.respond_to? :specification_version then
     current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
-    s.specification_version = 2
+    s.specification_version = 3
 
     if Gem::Version.new(Gem::RubyGemsVersion) >= Gem::Version.new('1.2.0') then
       s.add_development_dependency(%q<shoulda>, [">= 0"])