Mono.Zeroconf – Blame information for rev 1

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1 office 1 //
2 // ServiceBrowser.cs
3 //
4 // Authors:
5 // Aaron Bockover <abockover@novell.com>
6 //
7 // Copyright (C) 2006-2007 Novell, Inc (http://www.novell.com)
8 //
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
16 //
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
19 //
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 //
28  
29 using System;
30 using AV=Avahi;
31 using Mono.Zeroconf;
32  
33 namespace Mono.Zeroconf.Providers.Avahi
34 {
35 public class ServiceBrowser : IServiceBrowser
36 {
37 private AV.Client client;
38 private AV.ServiceBrowser browser;
39  
40 public event ServiceBrowseEventHandler ServiceAdded;
41 public event ServiceBrowseEventHandler ServiceRemoved;
42  
43 public ServiceBrowser()
44 {
45 }
46  
47 public void Dispose()
48 {
49 if(client != null) {
50 client.Dispose();
51 client = null;
52 }
53  
54 if(browser != null) {
55 browser.Dispose();
56 browser = null;
57 }
58 }
59  
60 public void Browse(string regtype, string domain)
61 {
62 Dispose();
63  
64 client = new AV.Client();
65  
66 browser = new AV.ServiceBrowser(client, regtype, domain);
67 browser.ServiceAdded += OnServiceAdded;
68 browser.ServiceRemoved += OnServiceRemoved;
69 }
70  
71 private void OnServiceAdded(object o, AV.ServiceInfoArgs args)
72 {
73 ServiceBrowseEventHandler handler = ServiceAdded;
74 if(handler != null) {
75 handler(this, new ServiceBrowseEventArgs(new ResolvableService(client, args.Service)));
76 }
77 }
78  
79 private void OnServiceRemoved(object o, AV.ServiceInfoArgs args)
80 {
81 ServiceBrowseEventHandler handler = ServiceRemoved;
82 if(handler != null) {
83 handler(this, new ServiceBrowseEventArgs(new ResolvableService(client, args.Service)));
84 }
85 }
86 }
87 }