2 // System.Web.TimeoutManager
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (C) 2003 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
33 using System.Threading;
34 using System.Web.Configuration;
47 public TimeoutManager ()
49 contexts = Hashtable.Synchronized (new Hashtable ());
50 timer = new Timer (new TimerCallback (CheckTimeouts), null, 0, 15000);
53 public void Add (HttpContext context)
55 object value = contexts [context];
57 value = Thread.CurrentThread;
58 } else if (value is Thread) {
59 ArrayList list = new ArrayList ();
61 list.Add (Thread.CurrentThread);
64 ArrayList list = (ArrayList) value;
65 list.Add (Thread.CurrentThread);
70 contexts [context] = value;
74 public Thread Remove (HttpContext context)
76 object value = contexts [context];
80 if (value is Thread) {
82 contexts.Remove (context);
84 return (Thread) value;
87 ArrayList list = (ArrayList) value;
90 result = (Thread) list [list.Count - 1];
91 list.RemoveAt (list.Count - 1);
94 if (list.Count == 0) {
96 contexts.Remove (context);
103 void CheckTimeouts (object state)
105 if (contexts.Count == 0) {
109 DateTime now = DateTime.UtcNow;
110 ArrayList clist = new ArrayList ();
112 lock (this) { // The lock prevents Keys enumerator from being out of synch
113 clist.AddRange (contexts.Keys);
116 foreach (HttpContext context in clist) {
117 if (!context.CheckIfTimeout (now))
120 Thread thread = Remove (context);
121 if (thread != null) // Only if context is removed right after the lock
122 thread.Abort (new StepTimeout ());