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 ());