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 internal delegate void EntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata);
52 public delegate void EntryGroupStateHandler (object o, EntryGroupState state);
54 public class EntryGroup : IDisposable
56 private Client client;
57 private IntPtr handle;
58 private EntryGroupCallback cb;
60 [DllImport ("avahi-client")]
61 private static extern IntPtr avahi_entry_group_new (IntPtr client, EntryGroupCallback cb, IntPtr userdata);
63 [DllImport ("avahi-client")]
64 private static extern int avahi_entry_group_commit (IntPtr group);
66 [DllImport ("avahi-client")]
67 private static extern int avahi_entry_group_reset (IntPtr group);
69 [DllImport ("avahi-client")]
70 private static extern EntryGroupState avahi_entry_group_get_state (IntPtr group);
72 [DllImport ("avahi-client")]
73 private static extern bool avahi_entry_group_is_empty (IntPtr group);
75 [DllImport ("avahi-client")]
76 private static extern int avahi_entry_group_add_service_strlst (IntPtr group, int iface, Protocol proto,
77 PublishFlags flags, IntPtr name, IntPtr type,
78 IntPtr domain, IntPtr host, UInt16 port,
81 [DllImport ("avahi-client")]
82 private static extern void avahi_entry_group_free (IntPtr group);
84 [DllImport ("avahi-common")]
85 private static extern IntPtr avahi_string_list_new (IntPtr txt);
87 [DllImport ("avahi-common")]
88 private static extern IntPtr avahi_string_list_add (IntPtr list, IntPtr txt);
90 [DllImport ("avahi-common")]
91 private static extern void avahi_string_list_free (IntPtr list);
93 [DllImport ("avahi-common")]
94 private static extern IntPtr avahi_alternative_service_name (IntPtr name);
96 public event EntryGroupStateHandler StateChanged;
98 public EntryGroupState State
102 return avahi_entry_group_get_state (handle);
111 return avahi_entry_group_is_empty (handle);
116 public EntryGroup (Client client)
118 this.client = client;
119 cb = OnEntryGroupCallback;
122 handle = avahi_entry_group_new (client.Handle, cb, IntPtr.Zero);
123 if (handle == IntPtr.Zero)
124 client.ThrowError ();
133 public void Dispose ()
135 if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero) {
137 avahi_entry_group_free (handle);
138 handle = IntPtr.Zero;
143 public void Commit ()
146 if (avahi_entry_group_commit (handle) < 0)
147 client.ThrowError ();
154 if (avahi_entry_group_reset (handle) < 0)
155 client.ThrowError ();
159 public void AddService (string name, string type, string domain,
160 UInt16 port, params string[] txt)
162 AddService (PublishFlags.None, name, type, domain, port, txt);
165 public void AddService (PublishFlags flags, string name, string type, string domain,
166 UInt16 port, params string[] txt)
168 AddService (-1, Protocol.Unspecified, flags, name, type, domain, null, port, txt);
171 public void AddService (int iface, Protocol proto, PublishFlags flags, string name, string type, string domain,
172 string host, UInt16 port, params string[] txt)
174 IntPtr list = avahi_string_list_new (IntPtr.Zero);
177 foreach (string item in txt) {
178 IntPtr itemPtr = Utility.StringToPtr (item);
179 list = avahi_string_list_add (list, itemPtr);
180 Utility.Free (itemPtr);
184 IntPtr namePtr = Utility.StringToPtr (name);
185 IntPtr typePtr = Utility.StringToPtr (type);
186 IntPtr domainPtr = Utility.StringToPtr (domain);
187 IntPtr hostPtr = Utility.StringToPtr (host);
190 int ret = avahi_entry_group_add_service_strlst (handle, iface, proto, flags, namePtr, typePtr, domainPtr,
191 hostPtr, port, list);
193 client.ThrowError ();
197 avahi_string_list_free (list);
200 public static string GetAlternativeServiceName (string name) {
201 IntPtr namePtr = Utility.StringToPtr (name);
202 IntPtr result = avahi_alternative_service_name (namePtr);
203 Utility.Free (namePtr);
205 return Utility.PtrToStringFree (result);
208 private void OnEntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata)
210 if (StateChanged != null)
211 StateChanged (this, state);