2 // System.Net.DnsAsyncResult
5 // Gonzalo Paniagua Javier (gonzalo.mono@gmail.com)
7 // Copyright (c) 2011 Gonzalo Paniagua Javier
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.Threading;
37 class DnsAsyncResult : IAsyncResult
39 static WaitCallback internal_cb = new WaitCallback (CB);
40 ManualResetEvent handle;
43 AsyncCallback callback;
48 public DnsAsyncResult (AsyncCallback cb, object state)
54 public void SetCompleted (bool synch, IPHostEntry entry, Exception e)
67 ThreadPool.QueueUserWorkItem (internal_cb, this);
70 public void SetCompleted (bool synch, Exception e)
72 SetCompleted (synch, null, e);
75 public void SetCompleted (bool synch, IPHostEntry entry)
77 SetCompleted (synch, entry, null);
80 static void CB (object _this)
82 DnsAsyncResult ares = (DnsAsyncResult) _this;
86 public object AsyncState {
90 public WaitHandle AsyncWaitHandle {
94 handle = new ManualResetEvent (is_completed);
100 public Exception Exception {
104 public IPHostEntry HostEntry {
105 get { return entry; }
108 public bool CompletedSynchronously {
109 get { return synch; }
112 public bool IsCompleted {