beagled/WebServices/WebServer/BaseRequestBroker.cs

   1 //
   2 // Mono.ASPNET.BaseRequestBroker
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //      Lluis Sanchez Gual (lluis@ximian.com)
   7 //
   8 // (C) Copyright 2004 Novell, Inc
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30
  31 using System;
  32 using System.Collections;
  33
  34 namespace Mono.ASPNET
  35 {
  36         public class BaseRequestBroker: MarshalByRefObject, IRequestBroker
  37         {
  38                 Hashtable requests = new Hashtable ();
  39
  40                 internal int RegisterRequest (IWorker worker)
  41                 {
  42                         int result = worker.GetHashCode ();
  43                         lock (requests) {
  44                                 requests [result] = worker;
  45                         }
  46
  47                         return result;
  48                 }
  49
  50                 internal void UnregisterRequest (int id)
  51                 {
  52                         lock (requests) {
  53                                 requests.Remove (id);
  54                         }
  55                 }
  56
  57                 public int Read (int requestId, int size, out byte[] buffer)
  58                 {
  59                         buffer = new byte[size];
  60                         IWorker w;
  61                         lock (requests) {
  62                                 w = (IWorker) requests [requestId];
  63                         }
  64
  65                         int nread = 0;
  66                         if (w != null)
  67                                 nread = w.Read (buffer, 0, size);
  68
  69                         return nread;
  70                 }
  71
  72                 public IWorker GetWorker (int requestId)
  73                 {
  74                         lock (requests) {
  75                                 return (IWorker) requests [requestId];
  76                         }
  77                 }
  78
  79                 public void Write (int requestId, byte[] buffer, int position, int size)
  80                 {
  81                         IWorker worker = GetWorker (requestId);
  82                         if (worker != null)
  83                                 worker.Write (buffer, position, size);
  84                 }
  85
  86                 public void Close (int requestId)
  87                 {
  88                         IWorker worker = GetWorker (requestId);
  89                         if (worker != null)
  90                                 worker.Close ();
  91                 }
  92
  93                 public void Flush (int requestId)
  94                 {
  95                         IWorker worker = GetWorker (requestId);
  96                         if (worker != null)
  97                                 worker.Flush ();
  98                 }
  99
 100                 public override object InitializeLifetimeService ()
 101                 {
 102                         return null;
 103                 }
 104         }
 105 }
 106