Rename from yp2 to metaproxy. The namespace for all definitions

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

diff --git a/src/session.hpp b/src/session.hpp
index d357463..eddd1b1 100644 (file)
--- a/src/session.hpp
+++ b/src/session.hpp
@@ -1,51 +1,134 @@
+/* $Id: session.hpp,v 1.12 2006-03-16 10:40:59 adam Exp $
+   Copyright (c) 2005-2006, Index Data.
+
+%LICENSE%
+ */
 
 #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
  * indent-tabs-mode: nil
+ * c-file-style: "stroustrup"
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */