Added some verbose/debug logging and a session sample

git-svn-id: http://svn.macosforge.org/repository/ruby/ControlTower/trunk@4886 23306eb0-4c56-4727-a40e-e92c0eb68959

lib/rack/session/gcd.rb

@@ -28,6 +28,7 @@ def initialize(sid, store)
           @session_timer.cancel! unless @session_timer.nil?
           time_remaining = @session_expires_at - Time.now
           if time_remaining < 0
+            warn "Session #{@session_id} has expired" if $DEBUG
             @session_store.delete(@session_id)
           else
             @session_timer = Dispatch::Source.timer(time_remaining, 500, 0.5, @session_access_queue, &@timer_block)
@@ -83,6 +84,7 @@ def generate_sid
       end
 
       def get_session(env, sid)
+        env['rack.errors'].puts("Searching through #{@sessions.length} live sessions") if $VERBOSE
         session = @sessions[sid] if sid
         unless sid and session
           env['rack.errors'].puts("Session '#{sid.inspect}' not found, initializing...") if $VERBOSE and not sid.nil?

sample/gcd_sessions.ru

@@ -0,0 +1,23 @@
+require 'rack/session/gcd'
+
+class SessionCheck
+  def call(env)
+    session = env['rack.session']
+    if session
+      if session[:num_accesses]
+        session[:num_accesses] += 1
+        msg = "This session has been accessed #{session[:num_accesses]} times"
+      else
+        session[:num_accesses] = 1
+        msg = 'This is the first time this session has been accessed'
+      end
+    else
+      msg = 'Whoops! No session...'
+    end
+    [200, {'Content-Type' => 'text/plain'}, msg]
+  end
+end
+
+$VERBOSE = true, $DEBUG = true
+use Rack::Session::GCD, :expire_after => 30
+run SessionCheck.new