Rename

Esiur/Net/HTTP/HTTPSession.cs

@@ -0,0 +1,130 @@
+/*
+ 
+Copyright (c) 2017 Ahmed Kh. Zamil
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+*/
+
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+using System.Net;
+using System.Collections;
+using System.Collections.Generic;
+using Esiur.Data;
+using Esiur.Misc;
+using Esiur.Core;
+
+namespace Esiur.Net.HTTP
+{
+    public class HTTPSession : IDestructible //<T> where T : TClient
+    {
+        public delegate void SessionModifiedEvent(HTTPSession session, string key, object oldValue, object newValue);
+        public delegate void SessionEndedEvent(HTTPSession session);
+
+        private string id;
+        private Timer timer;
+        private int timeout;
+        DateTime creation;
+        DateTime lastAction;
+
+        private KeyList<string, object> variables;
+
+        public event SessionEndedEvent OnEnd;
+        public event SessionModifiedEvent OnModify;
+        public event DestroyedEvent OnDestroy;
+
+        public KeyList<string, object> Variables
+        {
+            get { return variables; }
+        }
+
+        public HTTPSession()
+        {
+            variables = new KeyList<string, object>();
+            variables.OnModified += new KeyList<string, object>.Modified(VariablesModified);
+            creation = DateTime.Now;
+        }
+
+        internal void Set(string id, int timeout)
+        {
+            //modified = sessionModifiedEvent;
+            //ended = sessionEndEvent;
+            this.id = id;
+
+            if (this.timeout != 0)
+            {
+                this.timeout = timeout;
+                timer = new Timer(OnSessionEndTimerCallback, null, TimeSpan.FromSeconds(timeout), TimeSpan.FromSeconds(0));
+                creation = DateTime.Now;
+            }
+        }
+
+        private void OnSessionEndTimerCallback(object o)
+        {
+            OnEnd?.Invoke(this);
+        }
+
+        void VariablesModified(string key, object oldValue, object newValue, KeyList<string, object> sender)
+        {
+            OnModify?.Invoke(this, key, oldValue, newValue);
+        }
+
+        public void Destroy()
+        {
+            OnDestroy?.Invoke(this);
+            timer.Dispose();
+            timer = null;
+        }
+
+        internal void Refresh()
+        {
+            lastAction = DateTime.Now;
+            timer.Change(TimeSpan.FromSeconds(timeout), TimeSpan.FromSeconds(0));
+        }
+
+        public int Timeout // Seconds
+        {
+            get
+            {
+                return timeout;
+            }
+            set
+            {
+                timeout = value;
+                Refresh();
+            }
+        }
+
+        public string Id
+        {
+            get { return id; }
+        }
+
+        public DateTime LastAction
+        {
+            get { return lastAction; }
+        }
+    }
+
+}