From 74a28aa7125be6a603128ad600c98c4882f3b5c2 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Tue, 1 Jun 2010 12:58:32 +0000
Subject: From new_protocol branch.

---
 server/src/session.h | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 server/src/session.h

(limited to 'server/src/session.h')

diff --git a/server/src/session.h b/server/src/session.h
new file mode 100644
index 0000000..6c614c7
--- /dev/null
+++ b/server/src/session.h
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            session.h
+ *
+ *  Tue Dec 15 13:36:49 CET 2009
+ *  Copyright 2009 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pracro.
+ *
+ *  Pracro is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Pracro is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Pracro; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __PRACRO_SESSION_H__
+#define __PRACRO_SESSION_H__
+
+#include <string>
+#include <map>
+
+#include "mutex.h"
+
+class JournalWriter;
+
+class Session {
+public:
+  Session(std::string sessionid);
+  ~Session();
+
+  std::string id();
+  
+  void lock();
+  void unlock();
+
+  void commit();
+  void discard();
+
+  JournalWriter *journal();
+
+private:
+  JournalWriter *_journal;
+  std::string _id;
+  Mutex mutex;
+};
+
+class Sessions {
+public:
+  Sessions();
+
+  /**
+   * Create a new session, with a unique id. Insert it into the session list,
+   * and return its pointer.
+   */
+  Session *newSession();
+
+  /**
+   * Lookup session in session list. Returns the session or NULL if no session
+   * exists with that sessionid.
+   */
+  Session *session(std::string sessionid);
+
+  /**
+   * Remove session from the session list and return its pointer. It is up to
+   * the caller to delete it.
+   */
+  Session *takeSession(std::string sessionid);
+
+  /**
+   * Remove session from the session list and delete it.
+   */
+  void deleteSession(std::string sessionid);
+
+  /**
+   * Return number of active sessions.
+   */
+  size_t size();
+
+  /**
+   * Write all active sessions to disc.
+   */
+  void store();
+
+private:
+  std::map<std::string, Session *> sessions;
+};
+
+class SessionAutolock {
+public:
+  SessionAutolock(Session &session);
+  ~SessionAutolock();
+
+private:
+  Session &session;
+};
+
+#endif/*__PRACRO_SESSION_H__*/
-- 
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