4 This file is part of avahi.
6 avahi is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 avahi is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
14 Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with avahi; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 using System.Runtime.InteropServices;
29 public enum EntryGroupState {
36 internal delegate void EntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata);
37 public delegate void EntryGroupStateHandler (object o, EntryGroupState state);
39 public class EntryGroup : IDisposable
41 private Client client;
42 private IntPtr handle;
43 private EntryGroupCallback cb;
45 [DllImport ("avahi-client")]
46 private static extern IntPtr avahi_entry_group_new (IntPtr client, EntryGroupCallback cb, IntPtr userdata);
48 [DllImport ("avahi-client")]
49 private static extern void avahi_entry_group_commit (IntPtr group);
51 [DllImport ("avahi-client")]
52 private static extern void avahi_entry_group_reset (IntPtr group);
54 [DllImport ("avahi-client")]
55 private static extern EntryGroupState avahi_entry_group_get_state (IntPtr group);
57 [DllImport ("avahi-client")]
58 private static extern bool avahi_entry_group_is_empty (IntPtr group);
60 [DllImport ("avahi-client")]
61 private static extern void avahi_entry_group_add_service_strlst (IntPtr group, int iface, Protocol proto,
62 IntPtr name, IntPtr type, IntPtr domain,
63 IntPtr host, UInt16 port, IntPtr strlst);
65 [DllImport ("avahi-client")]
66 private static extern void avahi_entry_group_free (IntPtr group);
68 [DllImport ("avahi-common")]
69 private static extern IntPtr avahi_string_list_new (IntPtr txt);
71 [DllImport ("avahi-common")]
72 private static extern IntPtr avahi_string_list_add (IntPtr list, IntPtr txt);
74 [DllImport ("avahi-common")]
75 private static extern void avahi_string_list_free (IntPtr list);
77 [DllImport ("avahi-common")]
78 private static extern IntPtr avahi_alternative_service_name (IntPtr name);
80 public event EntryGroupStateHandler StateChanged;
82 public EntryGroupState State
86 return avahi_entry_group_get_state (handle);
95 return avahi_entry_group_is_empty (handle);
100 public EntryGroup (Client client)
102 this.client = client;
103 cb = OnEntryGroupCallback;
106 handle = avahi_entry_group_new (client.Handle, cb, IntPtr.Zero);
107 client.CheckError ();
116 public void Dispose ()
118 if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero) {
120 avahi_entry_group_free (handle);
121 handle = IntPtr.Zero;
126 public void Commit ()
129 avahi_entry_group_commit (handle);
130 client.CheckError ();
137 avahi_entry_group_reset (handle);
138 client.CheckError ();
142 public void AddService (string name, string type, string domain,
143 UInt16 port, params string[] txt)
145 AddService (-1, Protocol.Unspecified, name, type, domain, null, port, txt);
148 public void AddService (int iface, Protocol proto, string name, string type, string domain,
149 string host, UInt16 port, params string[] txt)
151 IntPtr list = avahi_string_list_new (IntPtr.Zero);
154 foreach (string item in txt) {
155 IntPtr itemPtr = Utility.StringToPtr (item);
156 list = avahi_string_list_add (list, itemPtr);
157 Utility.Free (itemPtr);
161 IntPtr namePtr = Utility.StringToPtr (name);
162 IntPtr typePtr = Utility.StringToPtr (type);
163 IntPtr domainPtr = Utility.StringToPtr (domain);
164 IntPtr hostPtr = Utility.StringToPtr (host);
167 avahi_entry_group_add_service_strlst (handle, iface, proto, namePtr, typePtr, domainPtr,
168 hostPtr, port, list);
171 avahi_string_list_free (list);
173 client.CheckError ();
176 public static string GetAlternativeServiceName (string name) {
177 IntPtr namePtr = Utility.StringToPtr (name);
178 IntPtr result = avahi_alternative_service_name (namePtr);
179 Utility.Free (namePtr);
181 return Utility.PtrToStringFree (result);
184 private void OnEntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata)
186 if (StateChanged != null)
187 StateChanged (this, state);