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 {
43 public enum EntryGroupState {
51 public class EntryGroupStateArgs : EventArgs
53 private EntryGroupState state;
55 public EntryGroupState State
60 public EntryGroupStateArgs (EntryGroupState state)
66 internal delegate void EntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata);
67 public delegate void EntryGroupStateHandler (object o, EntryGroupStateArgs args);
69 public class EntryGroup : IDisposable
71 private Client client;
72 private IntPtr handle;
73 private EntryGroupCallback cb;
75 [DllImport ("avahi-client")]
76 private static extern IntPtr avahi_entry_group_new (IntPtr client, EntryGroupCallback cb, IntPtr userdata);
78 [DllImport ("avahi-client")]
79 private static extern int avahi_entry_group_commit (IntPtr group);
81 [DllImport ("avahi-client")]
82 private static extern int avahi_entry_group_reset (IntPtr group);
84 [DllImport ("avahi-client")]
85 private static extern EntryGroupState avahi_entry_group_get_state (IntPtr group);
87 [DllImport ("avahi-client")]
88 private static extern bool avahi_entry_group_is_empty (IntPtr group);
90 [DllImport ("avahi-client")]
91 private static extern int avahi_entry_group_add_service_strlst (IntPtr group, int iface, Protocol proto,
92 PublishFlags flags, IntPtr name, IntPtr type,
93 IntPtr domain, IntPtr host, UInt16 port,
96 [DllImport ("avahi-client")]
97 private static extern void avahi_entry_group_free (IntPtr group);
99 [DllImport ("avahi-common")]
100 private static extern IntPtr avahi_string_list_new (IntPtr txt);
102 [DllImport ("avahi-common")]
103 private static extern IntPtr avahi_string_list_add (IntPtr list, IntPtr txt);
105 [DllImport ("avahi-common")]
106 private static extern void avahi_string_list_free (IntPtr list);
108 [DllImport ("avahi-common")]
109 private static extern IntPtr avahi_alternative_service_name (IntPtr name);
111 public event EntryGroupStateHandler StateChanged;
113 public EntryGroupState State
117 return avahi_entry_group_get_state (handle);
126 return avahi_entry_group_is_empty (handle);
131 public EntryGroup (Client client)
133 this.client = client;
134 cb = OnEntryGroupCallback;
137 handle = avahi_entry_group_new (client.Handle, cb, IntPtr.Zero);
138 if (handle == IntPtr.Zero)
139 client.ThrowError ();
148 public void Dispose ()
150 if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero) {
152 avahi_entry_group_free (handle);
153 handle = IntPtr.Zero;
158 public void Commit ()
161 if (avahi_entry_group_commit (handle) < 0)
162 client.ThrowError ();
169 if (avahi_entry_group_reset (handle) < 0)
170 client.ThrowError ();
174 public void AddService (string name, string type, string domain,
175 UInt16 port, params string[] txt)
177 AddService (PublishFlags.None, name, type, domain, port, txt);
180 public void AddService (PublishFlags flags, string name, string type, string domain,
181 UInt16 port, params string[] txt)
183 AddService (-1, Protocol.Unspecified, flags, name, type, domain, null, port, txt);
186 public void AddService (int iface, Protocol proto, PublishFlags flags, string name, string type, string domain,
187 string host, UInt16 port, params string[] txt)
189 IntPtr list = avahi_string_list_new (IntPtr.Zero);
192 foreach (string item in txt) {
193 IntPtr itemPtr = Utility.StringToPtr (item);
194 list = avahi_string_list_add (list, itemPtr);
195 Utility.Free (itemPtr);
199 IntPtr namePtr = Utility.StringToPtr (name);
200 IntPtr typePtr = Utility.StringToPtr (type);
201 IntPtr domainPtr = Utility.StringToPtr (domain);
202 IntPtr hostPtr = Utility.StringToPtr (host);
205 int ret = avahi_entry_group_add_service_strlst (handle, iface, proto, flags, namePtr, typePtr, domainPtr,
206 hostPtr, port, list);
208 client.ThrowError ();
212 avahi_string_list_free (list);
215 public static string GetAlternativeServiceName (string name) {
216 IntPtr namePtr = Utility.StringToPtr (name);
217 IntPtr result = avahi_alternative_service_name (namePtr);
218 Utility.Free (namePtr);
220 return Utility.PtrToStringFree (result);
223 private void OnEntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata)
225 if (StateChanged != null)
226 StateChanged (this, new EntryGroupStateArgs (state));