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;
30 public enum PublishFlags {
41 public enum EntryGroupState {
49 internal delegate void EntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata);
50 public delegate void EntryGroupStateHandler (object o, EntryGroupState state);
52 public class EntryGroup : IDisposable
54 private Client client;
55 private IntPtr handle;
56 private EntryGroupCallback cb;
58 [DllImport ("avahi-client")]
59 private static extern IntPtr avahi_entry_group_new (IntPtr client, EntryGroupCallback cb, IntPtr userdata);
61 [DllImport ("avahi-client")]
62 private static extern int avahi_entry_group_commit (IntPtr group);
64 [DllImport ("avahi-client")]
65 private static extern int avahi_entry_group_reset (IntPtr group);
67 [DllImport ("avahi-client")]
68 private static extern EntryGroupState avahi_entry_group_get_state (IntPtr group);
70 [DllImport ("avahi-client")]
71 private static extern bool avahi_entry_group_is_empty (IntPtr group);
73 [DllImport ("avahi-client")]
74 private static extern int avahi_entry_group_add_service_strlst (IntPtr group, int iface, Protocol proto,
75 PublishFlags flags, IntPtr name, IntPtr type,
76 IntPtr domain, IntPtr host, UInt16 port,
79 [DllImport ("avahi-client")]
80 private static extern void avahi_entry_group_free (IntPtr group);
82 [DllImport ("avahi-common")]
83 private static extern IntPtr avahi_string_list_new (IntPtr txt);
85 [DllImport ("avahi-common")]
86 private static extern IntPtr avahi_string_list_add (IntPtr list, IntPtr txt);
88 [DllImport ("avahi-common")]
89 private static extern void avahi_string_list_free (IntPtr list);
91 [DllImport ("avahi-common")]
92 private static extern IntPtr avahi_alternative_service_name (IntPtr name);
94 public event EntryGroupStateHandler StateChanged;
96 public EntryGroupState State
100 return avahi_entry_group_get_state (handle);
109 return avahi_entry_group_is_empty (handle);
114 public EntryGroup (Client client)
116 this.client = client;
117 cb = OnEntryGroupCallback;
120 handle = avahi_entry_group_new (client.Handle, cb, IntPtr.Zero);
121 if (handle == IntPtr.Zero)
122 client.ThrowError ();
131 public void Dispose ()
133 if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero) {
135 avahi_entry_group_free (handle);
136 handle = IntPtr.Zero;
141 public void Commit ()
144 if (avahi_entry_group_commit (handle) < 0)
145 client.ThrowError ();
152 if (avahi_entry_group_reset (handle) < 0)
153 client.ThrowError ();
157 public void AddService (string name, string type, string domain,
158 UInt16 port, params string[] txt)
160 AddService (PublishFlags.None, name, type, domain, port, txt);
163 public void AddService (PublishFlags flags, string name, string type, string domain,
164 UInt16 port, params string[] txt)
166 AddService (-1, Protocol.Unspecified, flags, name, type, domain, null, port, txt);
169 public void AddService (int iface, Protocol proto, PublishFlags flags, string name, string type, string domain,
170 string host, UInt16 port, params string[] txt)
172 IntPtr list = avahi_string_list_new (IntPtr.Zero);
175 foreach (string item in txt) {
176 IntPtr itemPtr = Utility.StringToPtr (item);
177 list = avahi_string_list_add (list, itemPtr);
178 Utility.Free (itemPtr);
182 IntPtr namePtr = Utility.StringToPtr (name);
183 IntPtr typePtr = Utility.StringToPtr (type);
184 IntPtr domainPtr = Utility.StringToPtr (domain);
185 IntPtr hostPtr = Utility.StringToPtr (host);
188 int ret = avahi_entry_group_add_service_strlst (handle, iface, proto, flags, namePtr, typePtr, domainPtr,
189 hostPtr, port, list);
191 client.ThrowError ();
195 avahi_string_list_free (list);
198 public static string GetAlternativeServiceName (string name) {
199 IntPtr namePtr = Utility.StringToPtr (name);
200 IntPtr result = avahi_alternative_service_name (namePtr);
201 Utility.Free (namePtr);
203 return Utility.PtrToStringFree (result);
206 private void OnEntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata)
208 if (StateChanged != null)
209 StateChanged (this, state);