+/* This file is part of Metaproxy.
+ Copyright (C) 2005-2009 Index Data
+
+Metaproxy 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, or (at your option) any later
+version.
+
+Metaproxy 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 this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
#ifndef SESSION_HPP
#define SESSION_HPP
//#include <stdexcept>
-
+#include <map>
#include <boost/thread/mutex.hpp>
-namespace yp2 {
-
- class Session
+namespace metaproxy_1 {
+
+ class Session
{
+ //typedef unsigned long type;
public:
- //Session() {};
-
- /// returns next id, global state of id protected by boost::mutex
- long unsigned int id() {
- boost::mutex::scoped_lock scoped_lock(m_mutex);
- ++m_id;
- return m_id;
- };
+
+ /// create new session with new unique id
+ Session() {
+ boost::mutex::scoped_lock scoped_lock(m_mutex);
+ ++m_global_id;
+ m_id = m_global_id;
+ m_close = false;
+ }
+
+ /// copy session including old id
+ Session(const Session &s) : m_id(s.m_id), m_close(s.m_close) {};
+
+ Session& operator=(const Session &s) {
+ if (this != &s)
+ {
+ m_id = s.m_id;
+ m_close = s.m_close;
+ }
+ return *this;
+ }
+
+ bool operator<(const Session &s) const {
+ return m_id < s.m_id ? true : false;
+ }
+
+ unsigned long id() const {
+ return m_id;
+ }
+
+ bool is_closed() const {
+ return m_close;
+ }
+
+ /// mark session closed, can not be unset
+ void close() {
+ m_close = true;
+ }
+
+ bool operator == (Session &ses) const {
+ return ses.m_id == m_id;
+ }
+
private:
- // disabled because class is singleton
- // Session(const Session &);
+
+ unsigned long int m_id;
+ bool m_close;
+
+ /// static mutex to lock static m_id
+ static boost::mutex m_mutex;
+
+ /// static m_id to make sure that there is only one id counter
+ static unsigned long int m_global_id;
+
+ };
- // disabled because class is singleton
- // Session& operator=(const Session &);
+ template <class T> class session_map {
+ public:
+ void create(T &t, const metaproxy_1::Session &s) {
+ boost::mutex::scoped_lock lock(m_map_mutex);
+ m_map[s] = SessionItem(t);
+ };
+ void release(const metaproxy_1::Session &s) {
+ boost::mutex::scoped_lock lock(m_map_mutex);
- /// static mutex to lock static m_id
- static boost::mutex m_mutex;
+ m_map.erase(s);
+ };
+#if 0
+ T &get_session_data(const metaproxy_1::Session &s) {
+ boost::mutex::scoped_lock lock(m_map_mutex);
- /// static m_id to make sure that there is only one id counter
- static unsigned long int m_id;
-
+ typename std::map<metaproxy_1::Session,SessionItem>::const_iterator it;
+ it = m_map.find(s);
+ if (it == m_map.end())
+ return 0;
+ boost::mutx::scoped_lock *scoped_ptr =
+ new boost::mutex::scoped_lock(it->second->m_item_mutex);
+ };
+#endif
+ bool exist(const metaproxy_1::Session &s) {
+ typename std::map<metaproxy_1::Session,SessionItem>::const_iterator it;
+ it = m_map.find(s);
+ return it == m_map.end() ? false : true;
+ }
+ private:
+ class SessionItem {
+ public:
+ SessionItem() {};
+ SessionItem(T &t) : m_t(t) {};
+ SessionItem &operator =(const SessionItem &s) {
+ if (this != &s) {
+ m_t = s.m_t;
+ }
+ return *this;
+ };
+ SessionItem(const SessionItem &s) {
+ m_t = s.m_t;
+ };
+ T m_t;
+ boost::mutex m_item_mutex;
+ };
+ private:
+ boost::mutex m_map_mutex;
+ std::map<metaproxy_1::Session,SessionItem>m_map;
};
-
+
}
-// defining and initializing static members
-boost::mutex yp2::Session::m_mutex;
-unsigned long int yp2::Session::m_id = 0;
-
-
#endif
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
+