- cpp/demo/Ice/session now uses a timer for the periodic reaping.

- cpp/demo/Glacier2/chat now uses a custom permissions verifier,
  and a timer for refresh of the Glacier2 session.  Squashed commit
  of the following:

commit 82732512d64b4b6782b9c96e9c558ad56ea232af
Author: Matthew Newhook <matthew@zeroc.com>
Date:   Wed Sep 9 15:35:47 2009 -0230

    Simplify session demo.

commit 07cf68b9d12e8d648980d4bcae354e7531411b47
Author: Matthew Newhook <matthew@zeroc.com>
Date:   Wed Sep 9 14:59:15 2009 -0230

    chat demo now uses a custom perissions verifier, and a timer task.

1 files changed, 41 insertions, 0 deletions

diff --git a/cpp/demo/Ice/session/ReapTask.h b/cpp/demo/Ice/session/ReapTask.h
new file mode 100644
index 00000000000..99c135c5366
--- /dev/null
+++ b/cpp/demo/Ice/session/ReapTask.h
@@ -0,0 +1,41 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifndef REAP_TASK_H
+#define REAP_TASK_H
+
+#include <IceUtil/IceUtil.h>
+#include <SessionI.h>
+#include <list>
+
+class ReapTask : public IceUtil::TimerTask, public IceUtil::Monitor<IceUtil::Mutex>
+{
+public:
+
+    ReapTask();
+
+    virtual void runTimerTask();
+    void terminate();
+    void add(const Demo::SessionPrx&, const SessionIPtr&);
+
+private:
+
+    const IceUtil::Time _timeout;
+    struct SessionProxyPair
+    {
+        SessionProxyPair(const Demo::SessionPrx& p, const SessionIPtr& s) :
+            proxy(p), session(s) { }
+        const Demo::SessionPrx proxy;
+        const SessionIPtr session;
+    };
+    std::list<SessionProxyPair> _sessions;
+};
+typedef IceUtil::Handle<ReapTask> ReapTaskPtr;
+
+#endif