Bump year in copyright msg in source

[metaproxy-moved-to-github.git] / src / session.hpp

diff --git a/src/session.hpp b/src/session.hpp
index 08301a7..3bd0ae3 100644 (file)
--- a/src/session.hpp
+++ b/src/session.hpp
@@ -1,30 +1,58 @@
+/* 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 {
-
+namespace metaproxy_1 {
+    
     class Session
     {
         //typedef unsigned long type;
     public:
-
-       /// create new session with new unique id
-       Session() {
+        
+        /// 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;
+        }
 
-      /// copy session including old id
-      Session(const Session &s) : m_id(s.m_id), m_close(s.m_close) {};
-
-        //Session& operator=(const Session &);
+        bool operator<(const Session &s) const {
+            return m_id < s.m_id ? true : false;
+        }
         
         unsigned long id() const {
             return m_id;
@@ -33,17 +61,20 @@ namespace yp2 {
         bool is_closed() const {
             return m_close;
         };
-
+        
         /// mark session closed, can not be unset
         void close() {
             m_close = true;
         };
 
-     private:
-
+        bool operator == (Session &ses) const {
+            return ses.m_id == m_id;
+        }
+    private:
+        
         unsigned long int m_id;
         bool m_close;
-
+        
         /// static mutex to lock static m_id
         static boost::mutex m_mutex;
         
@@ -51,19 +82,66 @@ namespace yp2 {
         static unsigned long int m_global_id;
         
     };
-    
-}
 
-// defining and initializing static members
-boost::mutex yp2::Session::m_mutex;
-unsigned long int yp2::Session::m_global_id = 0;
+    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);
 
+            m_map.erase(s);
+        };
+#if 0
+        T &get_session_data(const metaproxy_1::Session &s) {
+            boost::mutex::scoped_lock lock(m_map_mutex);
+
+            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;
+    };
+    
+}
 
 #endif
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */
+