Added session_sweeper

1 files changed, 19 insertions, 0 deletions

diff --git a/src/session_sweeper.clj b/src/session_sweeper.clj
new file mode 100755
index 0000000..847d504
--- /dev/null
+++ b/src/session_sweeper.clj
@@ -0,0 +1,19 @@
+(ns session-sweeper
+  (:use compojure))
+
+(def *run-pruner* true)
+(def *pruner-sleep-ms* (* 1000 60 5))
+(def *pruner-agent* (agent nil))
+
+(defn prune-compojure-sessions! [x]
+  (doseq [[session-id session] @memory-sessions]
+    (if (< (session :expires-at) (System/currentTimeMillis))
+      (dosync
+       (commute memory-sessions dissoc session-id))))
+  (Thread/sleep *pruner-sleep-ms*)
+  (when *run-pruner*
+    (send *pruner-agent* #'prune-compojure-sessions!))
+  x)
+
+(defn start-session-pruner! []
+  (send *pruner-agent* prune-compojure-sessions!))
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